{"title":"Akkus","description":"\u003ch2 id=\"speakable-headline\"\u003eAkkus\u003c\/h2\u003e\n\u003cp id=\"speakable-definition\"\u003e\u003cstrong\u003eAkkus\u003c\/strong\u003e: Akkus versorgen dafür freigegebene Maschinen mit Energie. Aufnahme, Spannung und Systemgeneration müssen passen; die Kapazität beeinflusst Gewicht und verfügbare Energie.\u003c\/p\u003e\n\u003cp\u003eKapazität, Gewicht und Ladeverfahren bestimmen die praktische Auswahl für den vorgesehenen Arbeitstag und das vorhandene Werkzeugsystem.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/12-v-akkus\"\u003e12-V-Akkus\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/18-v-akkus\"\u003e18-V-Akkus\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"rupes-rechargable-power-pack-9hb185lt-18v-5ah-akku-rupes-hlr15-hlr21-ibrid","title":"Rechargable-Power-Pack (9HB185LT) 18V\/5AH battery for \"HLR15\/21 iBrid\"","description":"\u003ch2\u003e\u003cstrong\u003eRupes Rechargable-Power-Pack (9HB185LT) 18V\/5AH battery for \"HLR15\/21 iBrid\"\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRupes Rechargable-Power-Pack (9HB185LT) 18V\/5AH battery\u003c\/strong\u003e is a powerful, dependable battery built specifically for the HLR15 and HLR21 iBrid polishers from Rupes. With 18V of voltage and a 5AH capacity, it delivers long-lasting power that's ideal for pro detailers and car-care enthusiasts alike.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong runtime:\u003c\/strong\u003e Thanks to the 5AH capacity you can work longer without topping up all the time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast charging:\u003c\/strong\u003e The battery is back up and ready to go quickly, so you make the most of your time on the car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh compatibility:\u003c\/strong\u003e Perfectly matched to the HLR15 and HLR21 iBrid polishers from Rupes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003ePower and efficiency\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eRupes Rechargable-Power-Pack (9HB185LT) 18V\/5AH battery\u003c\/strong\u003e wins you over with its performance and efficiency. The 18V voltage gives you steady, strong power delivery, so even demanding polishing jobs go down easily. The 5AH capacity means a long runtime, so a flat battery won't stop you mid-job even on heavy sessions.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatibility and versatility\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis battery is designed specifically for the HLR15 and HLR21 iBrid polishers from Rupes, with a perfect fit and the right performance. Easy handling and a quick swap between machines make your work even more efficient. That versatility lets you run different jobs without breaks.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eQuality and reliability\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eRupes stands for high quality and reliability, and the \u003cstrong\u003eRechargable-Power-Pack (9HB185LT) 18V\/5AH battery\u003c\/strong\u003e is no exception. With tough materials and advanced tech, this battery keeps a long life and steady performance. You can count on it, whether you're a pro detailer or a car-care enthusiast.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Rupes","offers":[{"title":"Rupes \"HLR15\" \u0026 \"HLR21\" iBrid \/ 9HB185LT\/C","offer_id":49208669602127,"sku":"D1-RUP-9HB185LT\/C","price":129.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/rupes-rechargable-power-pack-9hb185lt-18v-5ah-akku-rupes-hlr15-hlr21-ibrid.png?v=1719557765"},{"product_id":"flex-ap18-akku-pack-18v","title":"\"AP 18 V\" Battery Pack (18V)","description":"\u003ch2\u003eFLEX AP 18 Battery Pack — Maximum power for FLEX 18V machines in professional use\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat sets the FLEX AP 18 battery apart? The FLEX AP 18 is a powerful 18-volt lithium-ion battery with an Electronic Management System (EMS), a charge-level indicator and built-in charge and discharge protection — built for steady power and a long service life in professional use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eFLEX AP 18\u003c\/strong\u003e is the heart of FLEX's professional 18-volt battery system. Modern cordless tools — polishers in particular — need a steady, even power supply to deliver their performance run after run. That's exactly where the AP-18 battery comes in: high-grade lithium-ion cells, smart electronics and a tough build mean FLEX cordless machines put their power down reliably and repeatably.\u003c\/p\u003e\n\u003cp\u003eThe battery is tuned end to end for the FLEX 18-volt system and fits a wide range of machines from the professional tool line-up. Polisher, sander or workshop tool — the AP-18 battery feeds steady power across the whole work cycle. At the same time the built-in charge-level indicator keeps you on top of the current state of charge, so you can plan your workflow around it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Management System (EMS) for smart battery monitoring.\u003c\/strong\u003e The built-in system keeps a constant eye on temperature, voltage and current flow. That protects the battery from overload and puts the available energy to efficient use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLithium-ion technology for steady power.\u003c\/strong\u003e Modern li-ion cells hold a stable voltage across most of the discharge. That means even machine performance when you're polishing, sanding or driving screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTough battery design for everyday pro use.\u003c\/strong\u003e The housing is protected against dust and splash water, so it's right at home in professional working environments. And the built-in charge-level indicator gives you full control over how much power you've got left.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eLithium-ion battery technology and Electronic Management System\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX AP 18\u003c\/strong\u003e is built on modern lithium-ion battery technology developed specifically for powerful power tools. Unlike older battery generations, li-ion cells hold a very stable voltage across most of the discharge cycle. For you that means one thing above all: machines run at near-constant power for a long time, without the speed dropping off noticeably.\u003c\/p\u003e\n\u003cp\u003eA core part of the battery is the Electronic Management System (EMS). This smart electronics package constantly monitors key operating values such as temperature, current draw and cell voltage. When a critical limit is reached, the system steps in automatically and, for example, throttles the power draw or cuts off the current. That stops individual cells from being overloaded — a key factor in the long-term stability of modern battery packs.\u003c\/p\u003e\n\u003cp\u003eOn top of that, the battery has built-in charge and discharge protection. This function prevents both deep discharge and overcharging of the cells during charging. Paired with compatible FLEX chargers, you get a perfectly matched power system where battery, charger and machine all work hand in hand. It's exactly this teamwork that keeps batteries holding their capacity as steadily as possible over many charge cycles.\u003c\/p\u003e\n\u003cp\u003eThe charge-level indicator earns its keep day-to-day too. Several LEDs let you read the current state of charge right off the battery. So you always know how much power is left in the tank — a small but seriously handy edge in a professional workflow.\u003c\/p\u003e\n\u003ch3\u003eFLEX 18V battery system in professional detailing and workshop use\u003c\/h3\u003e\n\u003cp\u003eIn a professional setting — detailing above all — cordless tools have to work reliably and flexibly. That's exactly what the \u003cstrong\u003eFLEX AP 18\u003c\/strong\u003e battery system was built for. The battery is part of a modular power system where one battery runs across a whole range of different machines. The result is an efficient tool kit with fewer chargers and maximum flexibility.\u003c\/p\u003e\n\u003cp\u003eCordless polishers in particular get a huge amount out of this technology. Polishing puts constant load on the motor and electronics, so a steady power supply is decisive. The AP-18 battery feeds that power evenly, so machines hold their speed. That matters most on precise polishing work, where even movement and constant power make or break the end result.\u003c\/p\u003e\n\u003cp\u003eThe battery system plays its trump card in mobile detailing setups too. With no cord, you can run the machine freely around the car — no extension leads, no power sockets. Pair it with a second battery and a matching fast charger and you've got an efficient workflow: one battery in use while the other charges.\u003c\/p\u003e\n\u003cp\u003eThis rotating battery setup lets you work almost without a break — a big plus on big full details or heavy workshop jobs.\u003c\/p\u003e\n\u003ch3\u003eAP 18\/2.5 vs AP 18\/5.0 — capacity and where each fits\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX AP 18\u003c\/strong\u003e comes in two versions that cover different day-to-day needs. Both batteries run on the same 18-volt platform and are fully compatible with every FLEX 18-volt machine. The difference is mainly capacity, and with it the run time you can get.\u003c\/p\u003e\n\u003cp\u003eThe more compact \u003cstrong\u003eAP 18\/2.5 (532732)\u003c\/strong\u003e has a capacity of 2.5 Ah and weighs about 0.42 kg. This battery is a great fit for light to medium jobs, or for machines where keeping the weight down matters. On longer overhead work or precise detail jobs, the lighter weight is something you really feel.\u003c\/p\u003e\n\u003cp\u003eThe higher-powered \u003cstrong\u003eAP 18\/5.0 (532733)\u003c\/strong\u003e has a capacity of 5.0 Ah and tips the scales at about 0.72 kg. The double capacity puts a lot more energy on tap, so machines run longer before you need a battery swap. That makes this version especially interesting for power-hungry jobs like polishers or sanding work.\u003c\/p\u003e\n\u003cp\u003eBoth batteries have identical protection mechanisms, charge-level indicators and EMS electronics. So the whole FLEX battery system performs consistently — no matter which capacity is in use at the moment. The choice between the two really comes down to whether maximum run time or lowest possible weight is your priority.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"FLEX","offers":[{"title":"AP 18\/2.5 \"532732\" (18 V\/2.5 Ah)","offer_id":57168041017679,"sku":"D1-FLEX-532732","price":90.44,"currency_code":"EUR","in_stock":true},{"title":"AP 18\/5.0 \"532733\" (18 V\/5.0 Ah)","offer_id":57168041050447,"sku":"D1-FLEX-532733","price":141.61,"currency_code":"EUR","in_stock":true},{"title":"AP 18\/8.0 \"532748\" (18 V\/8.0 Ah)","offer_id":57377451180367,"sku":"D1-FLEX-532748","price":236.81,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/flex-ap18-akku-pack-18v_532732.png?v=1772664821"},{"product_id":"flex-ap12v-akku-pack-12v","title":"\"AP 12V\" battery pack (12V)","description":"\u003ch2\u003eFLEX AP 12V Battery Pack — Compact Power for the FLEX PXE 80 Rotary Polisher in Mobile Detailing Applications\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat distinguishes the FLEX AP 12V battery? The FLEX AP 12V is a compact lithium-ion battery with an Electronic Management System (EMS), charge level indicator, and integrated charge and discharge protection – developed as a power source for the FLEX 12-volt system, especially the PXE 80 12-EC compact polisher in professional detailing.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX AP 12V Battery Pack\u003c\/strong\u003e is the power source for the compact FLEX 12-volt detailing system. While the FLEX 18-volt system is designed for maximum power in large polishing tasks, the 12-volt system focuses on a different concept: low weight, compact design, and precise handling in areas that are difficult to reach with larger machines. The AP 12V battery provides the stable energy the system needs – reliably, protected, and with consistent performance over many cycles.\u003c\/p\u003e\n\u003cp\u003eIn professional detailing, it is often the small, inaccessible areas that require the most effort – door edges, spoiler lips, mirror housings, A-pillars, or narrow trim areas. The \u003ca href=\"\/en\/products\/flex-pxe8012ec-akku-exzenterpolierer-80mm-12v\"\u003eFLEX PXE 80 12-EC\u003c\/a\u003e eccentric polisher with an 80mm backing pad was developed precisely for these working situations. The AP 12V battery is its dedicated power supplier: light, handy, and with enough capacity for a complete work cycle, even in the tightest spots. No cable pulling, no movement radius restricted by extension cords.\u003c\/p\u003e\n\u003cp\u003eIn everyday use, the difference is clear: anyone working on spoiler lips or door sills with a corded device constantly struggles with their own cable. The AP 12V battery gives the PXE 80 the freedom necessary for precise and fatigue-free work in tight areas. At the same time, the intelligent Electronic Management System ensures that this freedom remains reliable over many hours of use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Management System (EMS) for active battery monitoring.\u003c\/strong\u003e The integrated EMS continuously monitors temperature, voltage, and current flow. This actively prevents overload, optimally utilizes available energy, and long-term protects the cell life. The system automatically intervenes before critical operating limits are reached – an important protection for intensive alternating use in a professional workshop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTherma-Tech heat management for stable performance under load.\u003c\/strong\u003e FLEX integrates active heat management technology that protects battery cells from thermal overload. During longer polishing jobs with frequent battery changes or in high ambient temperatures in the workshop, the battery maintains significantly more stable performance than conventional batteries without temperature control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust design with dust and splash water protection and LED indicator.\u003c\/strong\u003e The housing of the AP 12V is protected against dust and splash water – an advantage that quickly becomes apparent in professional workshop everyday life. The integrated LED charge level indicator provides a quick overview of the remaining capacity at all times. This allows precise planning of the workflow, without unexpectedly running out of power in the middle of work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cblockquote class=\"praxistipp\"\u003e\n\u003cp\u003e\u003cstrong\u003ePractical tip from Detailing1:\u003c\/strong\u003e For uninterrupted work with the PXE 80 12-EC, we recommend two batteries in rotation. While one is in use, the second charges in the \u003ca href=\"\/en\/products\/flex-ca12230cee-schnellladegeraet-12v\"\u003eCA 12 fast charger\u003c\/a\u003e. The AP 12\/5.0 is suitable as a main battery for longer work cycles; the AP 12\/2.5 serves as a light backup for short detail jobs in individual spots. With this rotation system, you can work on a vehicle completely without interruptions.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003eLithium-Ion Technology and Electronic Management System in the FLEX 12V Battery\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX AP 12V Battery\u003c\/strong\u003e is based on modern lithium-ion technology, optimized for use in professional power tools. Unlike older battery generations – such as NiCd or NiMH – Li-ion cells provide very stable discharge voltage over a large part of the charging cycle. In practice, this means: the polishing machine maintains its speed constantly until the battery is almost completely empty. There is no slow drop in performance during the polishing process that would make the work uneven.\u003c\/p\u003e\n\u003cp\u003eThe Electronic Management System (EMS) is much more than a simple protection circuit. It monitors the core parameters of the battery in real time: cell voltage, operating temperature, and current consumption. As soon as a parameter reaches a critical range – for example, with very strong heating in summer or extremely high current draw by the machine – the system automatically intervenes. As a result, individual cells are not overloaded, and the battery maintains its capacity stably over many hundreds of charging cycles.\u003c\/p\u003e\n\u003cp\u003eThe EMS is complemented by integrated charge and discharge protection. This prevents both complete deep discharge of the cells – a main reason for premature capacity loss – and overcharging during the charging process. In combination with compatible FLEX chargers, the \u003ca href=\"\/en\/products\/flex-ca12230cee-schnellladegeraet-12v\"\u003eCA 12 fast charger\u003c\/a\u003e or the universal \u003ca href=\"\/en\/products\/flex-ca1218230cee-batterieladegeraete-12v-18v\"\u003eCA 12\/18 230\/CEE\u003c\/a\u003e, a coordinated energy system is created where the battery and charger communicate optimally and jointly control the charging process.\u003c\/p\u003e\n\u003cp\u003eTherma-Tech technology complements the EMS with a thermal protection component. In practice, this means that heat generated during discharge under load is dissipated and distributed more effectively. Especially during intensive work phases – for example, with several consecutive vehicle preparations with frequent battery changes – this technology proves to be beneficial. The battery remains stable in performance even after several cycles and does not overheat excessively.\u003c\/p\u003e\n\u003ch3\u003eFLEX 12V Battery System in Professional Detailing – Where it Excels\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX 12V Battery System\u003c\/strong\u003e was developed for a specific application area in professional detailing. The focus is on the \u003ca href=\"\/en\/products\/flex-pxe8012ec-akku-exzenterpolierer-80mm-12v\"\u003eFLEX PXE 80 12-EC\u003c\/a\u003e – an 80mm eccentric polisher specialized in small areas and hard-to-reach spots. The AP 12V battery is the dedicated energy supplier for exactly this machine and thus the heart of a system that steps in where larger devices reach their limits.\u003c\/p\u003e\n\u003cp\u003eTypical application areas for the FLEX 12V system in everyday detailing: door sills, spoiler lips, A-pillars, mirror housings, the transition zones between fender and bumper, trim areas along window rubbers or narrow wheel arch edges. These are areas where a 150mm polishing pad is simply too large and cables would significantly restrict freedom of movement. The AP 12V battery makes the PXE 80 a completely wireless precision tool for exactly these spots.\u003c\/p\u003e\n\u003cp\u003eAnother advantage of the 12V system is the total weight of the combination. The PXE 80 12-EC and AP 12V battery together result in a significantly lighter overall package than comparable 18V combinations. This noticeably reduces fatigue during longer detail work and improves control in tight areas, where precise guidance and a steady hand are more important than maximum polishing power. Especially when working overhead or in uncomfortable body positions, this makes a significant difference.\u003c\/p\u003e\n\u003cp\u003eIn mobile use – i.e., for vehicle preparations outside your own workshop – the 12V system also scores with its independence from power sources. Where no power connection is available or extension cords would pose a tripping hazard, the AP 12V battery provides the necessary energy completely without external wiring.\u003c\/p\u003e\n\u003ch3\u003eFLEX AP 12\/2.5 vs. AP 12\/5.0 – Capacity Comparison and the Right Choice\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX AP 12V Battery\u003c\/strong\u003e is available in two capacity variants, covering different work profiles. Both are based on the same 12-volt platform and are fully compatible with the PXE 80 12-EC and all other FLEX 12-volt devices. The difference lies in capacity, runtime, and weight.\u003c\/p\u003e\n\u003cp\u003eThe more compact variant \u003cstrong\u003eAP 12\/2.5 (532290)\u003c\/strong\u003e offers 2.5 Ah capacity. This battery is the lighter option and is particularly suitable for short, precise individual work steps – such as repolishing a door edge, preparing a mirror housing, or smoothing small paint runs in transition areas. The lower weight in these situations means more control and less fatigue, especially when working in awkward positions or overhead.\u003c\/p\u003e\n\u003cp\u003eThe more powerful variant \u003cstrong\u003eAP 12\/5.0 (531690)\u003c\/strong\u003e doubles the capacity to 5.0 Ah. Those who systematically prepare an entire vehicle with the PXE 80 – all the small problem areas of a vehicle in one go – will benefit significantly from the higher capacity. Fewer battery changes mean more direct, concentrated work and a much smoother workflow. The additional weight compared to the 2.5 Ah model is hardly a limiting factor for the PXE 80 due to its already compact design.\u003c\/p\u003e\n\u003cp\u003eFor professional users, we recommend a combination of an AP 12\/5.0 as the primary battery and an AP 12\/2.5 as a reserve. This approach provides maximum flexibility: longer operating times without interruption, and when the 5.0 is charging, the 2.5 is easily sufficient for short tasks. Both batteries can be charged with the same charger – an investment in the charging system is sufficient for the entire 12V battery fleet.\u003c\/p\u003e\n\u003ch3\u003eFLEX AP 12V Battery Comparison – 12V System vs. 18V System in Detailing\u003c\/h3\u003e\n\u003cp\u003eAnyone already working with the FLEX 18V system – for example, with the PE 2 18-EC rotary polisher and the \u003ca href=\"\/en\/products\/flex-ap18-akku-pack-18v\"\u003eAP 18V Battery Pack\u003c\/a\u003e – legitimately wonders whether a second 12V system makes sense. The direct answer: both systems are not mutually exclusive, but cover different areas of application.\u003c\/p\u003e\n\u003cp\u003eThe 18V system is the right choice for large-area polishing on bonnets, roofs, fenders, and doors. Here, pad size, surface performance, and long runtime under load are important. The 12V system, on the other hand, is convincing where the 18V polisher physically cannot reach or is too heavy and too large for precise guidance. Both systems share the professional FLEX ecosystem, but are not directly compatible in terms of battery and charger – a 12V battery will not run in an 18V device.\u003c\/p\u003e\n\u003cp\u003eFor beginners or occasional users who only want to buy one of the systems, the 18V system is generally the more versatile choice for the majority of polishing tasks. However, those who offer professional full detailing services or specialize in sports cars and vehicles with many sills, spoilers, and tight transitions will benefit significantly from the supplementary 12V system. The universal \u003ca href=\"\/en\/products\/flex-ca1218230cee-batterieladegeraete-12v-18v\"\u003eCA 12\/18 charger\u003c\/a\u003e is a smart bridge here, as it can charge both 12V and 18V batteries.\u003c\/p\u003e\n\u003ch3\u003eBuy FLEX AP 12V Battery – Recommendation, Combination, and Starter Options\u003c\/h3\u003e\n\u003cp\u003eThose looking to buy the \u003cstrong\u003eFLEX AP 12V Battery\u003c\/strong\u003e have several sensible entry options. As a single battery, we recommend the AP 12\/5.0 as the first choice – the higher capacity makes a noticeable difference in everyday work, and the additional weight is hardly a factor with the compact PXE 80. For maximum runtime without interruptions, the AP 12\/5.0 as the main battery can be sensibly combined with the AP 12\/2.5 as a backup.\u003c\/p\u003e\n\u003cp\u003eThose who want to fully enter the FLEX 12V system will find a coordinated starter set with the \u003ca href=\"\/en\/products\/flex-pset1222q-akku-set-12v\"\u003eP-Set 12-22 Q\u003c\/a\u003e that combines all essential components. Alternatively, the battery can be combined individually with the \u003ca href=\"\/en\/products\/flex-ca12230cee-schnellladegeraet-12v\"\u003eCA 12 fast charger\u003c\/a\u003e – the dedicated 12V charger offers short charging times and is specifically matched to the AP 12V batteries.\u003c\/p\u003e\n\u003cp\u003eImportant to know: The AP 12V battery is exclusively compatible with the FLEX 12V system. It does not run in 18V devices and cannot be replaced by 18V batteries. Those who operate both FLEX systems in parallel require appropriate batteries for each platform. The universal \u003ca href=\"\/en\/products\/flex-ca1218230cee-batterieladegeraete-12v-18v\"\u003eCA 12\/18 230\/CEE\u003c\/a\u003e charger is a clever investment here – it charges both 12V and 18V batteries and simplifies charge management in workshops that use both systems.\u003c\/p\u003e\n\u003cp\u003eOur conclusion: The AP 12V battery is not a replacement for the 18V system, but a precise addition. For professional detailers who want to prepare even the last hard-to-reach areas with cordless polishing tools, the 12V system with the PXE 80 12-EC and the AP 12V battery is the logical and consistent investment in complete tool freedom.\u003c\/p\u003e","brand":"FLEX","offers":[{"title":"AP 12\/2.5 \"532290\" (12 V\/2.5 Ah)","offer_id":57377617903951,"sku":"D1-FLEX-532290","price":70.21,"currency_code":"EUR","in_stock":false},{"title":"AP 12\/5.0 \"531690\" (12 V\/5.0 Ah)","offer_id":57377617936719,"sku":"D1-FLEX-531690","price":94.01,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/flex-ap-12v-akku-pack-12v-ap-12-2-5-532290-12-v-2-5-ah-532290.png?v=1775059063"},{"product_id":"flex-pset1222q-akku-set-12v","title":"\"P-Set 12-22 Q\" Battery Set (12V)","description":"\u003ch2\u003eFLEX P-Set 12-22 Q Battery Set 12V — Compact Entry-Level Battery System for Cordless FLEX Tools\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is the FLEX P-Set 12-22 Q? The FLEX P-Set 12-22 Q is a 12-volt battery set consisting of a FLEX 12V lithium-ion battery pack and the appropriate charger — the entry-level set for all FLEX 12V cordless tools and the compact, lightweight entry into the cordless FLEX system.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003eWorking wirelessly without compromising on the wrong battery — that is the core message of the \u003cstrong\u003eFLEX P-Set 12-22 Q Battery Set 12V\u003c\/strong\u003e. The set combines a FLEX 12V lithium-ion battery pack with the appropriate FLEX charger in a coordinated package. If you are purchasing or complementing a FLEX 12V tool, the P-Set 12-22 Q provides the complete power supply system from a single source — no searching for the right charger, no compatibility issues, immediate readiness for use.\u003c\/p\u003e\n\u003cp\u003eThe 12V system from FLEX is the compact segment of FLEX cordless tools: lighter than 18V devices, optimized for tasks where weight matters and the full power of an 18V system is not required. In the detailing context, the 12V system primarily stands for the \u003ca href=\"\/en\/products\/flex-sd-7-320-4-akku-schraubendreher\"\u003eFLEX SD 7-320 4 Cordless Screwdriver\u003c\/a\u003e and other hand tools where a lighter, more precise battery pack offers more comfort than a heavy 18V package.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eP-Set 12-22 Q\u003c\/strong\u003e is the right entry point for anyone who wants to buy their first FLEX 12V tool and be ready for immediate use. The set contains everything necessary — battery pack and charger — without extra cost for unnecessarily high capacity. Compact, lightweight, quickly charged: The 12V system meets a specific requirement in the professional toolbox better than an oversized 18V package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V Lithium-Ion Technology — Light, compact, and sufficient for hand tools and precision devices.\u003c\/strong\u003e The FLEX 12V battery system leverages the advantages of lithium-ion: no memory effect, constant power output until discharge, low weight for long work sessions without fatigue. Compared to 18V battery packs, the 12V battery is noticeably lighter and more compact — a real advantage for tasks requiring precise control and freedom of movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete set of battery and charger — immediate readiness for use without compatibility risk.\u003c\/strong\u003e The P-Set 12-22 Q contains the coordinated pair of battery pack and FLEX charger. This eliminates the most common source of error when buying batteries: accidentally acquiring a charger that does not match the specific battery generation. FLEX develops battery and charger as a system — the P-Set delivers this system as a complete package.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with all FLEX 12V cordless tools — one platform, all 12V devices.\u003c\/strong\u003e The FLEX 12V battery system is uniform across all compatible 12V tools. Anyone starting with a FLEX 12V tool today and adding more 12V tools later can use the battery packs of the P-Set 12-22 Q on all these devices. The platform consistency of the FLEX system reduces the inventory of different battery types and simplifies charge management in the workshop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cblockquote class=\"praxistipp\"\u003e\n\u003cp\u003e\u003cstrong\u003ePractical tip from Detailing1:\u003c\/strong\u003e Order the FLEX P-Set 12-22 Q directly when purchasing your first FLEX 12V tool — not retrospectively. Anyone who buys the tool without the set and then searches for a battery and charger separately risks generation incompatibilities or unnecessary additional costs. The P-Set 12-22 Q is the well-thought-out solution: one package, one price, immediately ready for use. For workshops with multiple 12V devices, we also recommend a second P-Set as a reserve, so that a charged backup is always available when the first battery is charging.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003eFLEX 12V Battery Technology — Lithium-Ion in a Compact Hand Tool Format\u003c\/h3\u003e\n\u003cp\u003eThe FLEX 12V battery system is based on modern lithium-ion cells developed for professional tool use. Lithium-ion has been the standard for professional cordless tools for years — for good reason: the cells have no memory effect, meaning they can be recharged at any time without capacity loss due to forced full discharge cycles. The energy density is significantly higher than with older nickel-cadmium technologies, which allows for the compact format of the 12V battery pack despite sufficient capacity.\u003c\/p\u003e\n\u003cp\u003eA key advantage of lithium-ion technology in tools is its discharge behavior: the battery delivers constant power until just before full discharge — no decreasing RPM, no gradual power fade like with older battery technologies. What this means in practice: The FLEX 12V tool runs at full power until the battery is actually empty. This makes work interruptions more predictable and avoids the frustrating moment when a half-charged battery suddenly loses power.\u003c\/p\u003e\n\u003cp\u003eThe weight of the 12V battery pack is noticeably lower compared to 18V packs. For tasks where the tool is held in one hand for extended periods — screwdriving in interiors, assembly work in confined areas, precision work requiring fine metering — the lower weight is a real ergonomic advantage. Less weight on the tool means less fatigue in the hands and arms during long work sessions. For the professional detailer or vehicle reconditioner who works with hand tools for several hours a day, this difference is relevant.\u003c\/p\u003e\n\u003cp\u003eThe charging time of the 12V battery pack with the FLEX charger included in the P-Set 12-22 Q is short enough for continuous workshop use. Anyone operating two battery packs alternately — one in use, one on the charger — will experience practically no waiting times. This dual operating mode is the recommended strategy for intensive daily use and can be easily implemented with a second P-Set or an additional battery pack.\u003c\/p\u003e\n\u003ch3\u003eP-Set 12-22 Q in Everyday Detailing — When the 12V System is the Right Choice\u003c\/h3\u003e\n\u003cp\u003eIn the detailing and vehicle reconditioning environment, the FLEX 12V system has a specific place. It is not the system for polishers or high-performance tools — those are 18V domains. The 12V system is the right tool for precise, ergonomically critical tasks where weight and maneuverability matter.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/en\/products\/flex-sd-7-320-4-akku-schraubendreher\"\u003eFLEX SD 7-320 4 Cordless Screwdriver\u003c\/a\u003e is the most important 12V representative in the detailing context: a compact cordless screwdriver for the disassembly and assembly of interior parts, attachments, and trim strips that need to be removed for professional interior or exterior paint reconditioning. With the lightweight 12V battery pack, the screwdriver remains handy and less tiring — perfect for repetitive work when removing panels or trim strips before paint correction.\u003c\/p\u003e\n\u003cp\u003eFor workshops that offer general vehicle reconditioning and light assembly work alongside detailing, the 12V system is a sensible addition to the main 18V system. The FLEX platform strategy makes it easy: those who already use 18V FLEX batteries know the system and can integrate 12V as a logical addition without losing brand and system consistency. A single manufacturer for all tools simplifies maintenance, spare parts procurement, and charging — a brand ecosystem instead of a mix of manufacturers.\u003c\/p\u003e\n\u003cp\u003eFor newcomers to cordless detailing tools, the P-Set 12-22 Q is also an attractive starting point: The more affordable entry price of the 12V system compared to the 18V system allows for the first step into the cordless tool world without high investment. Those who start with a 12V screwdriver and get to know the system can later specifically add 18V devices for more power-intensive tasks.\u003c\/p\u003e\n\u003ch3\u003eBattery Care and Storage — How to Maximize the Lifespan of the 12V Battery Pack\u003c\/h3\u003e\n\u003cp\u003eLithium-ion battery packs are durable if treated correctly — and significantly shorter-lived if systematically stored or charged incorrectly. A few basic rules significantly extend the service life of the FLEX 12V battery pack.\u003c\/p\u003e\n\u003cp\u003eThe most important rule: do not deep discharge lithium-ion batteries. If the tool shows a significant drop in performance, the battery should be replaced immediately and charged — not used until complete discharge. Deep discharge damages the cell structure and irreversibly reduces the available capacity. The FLEX tool usually has electronic deep discharge protection, but it's better not to rely on that alone.\u003c\/p\u003e\n\u003cp\u003eFor storage: Lithium-ion batteries are best stored at approx. 40-60% charge level if not used for an extended period. Fully charged batteries left on the shelf for weeks lose capacity faster than moderately charged ones. If you close the workshop for several weeks, do not put the 12V battery pack away fully charged. The FLEX charger from the P-Set 12-22 Q has the intelligence to precisely charge the battery and prevent overcharging — which is much more important in everyday use than the storage question.\u003c\/p\u003e\n\u003cp\u003eTemperature is another critical factor: Lithium-ion batteries do not like extreme cold or extreme heat. In summer, do not leave the tool in a hot car — temperatures above 40°C significantly accelerate cell aging. In winter, bring cold batteries to room temperature before use, as cold temporarily reduces the available capacity. The FLEX charger also does not charge batteries that are too cold — an integrated protection that protects the cells, but can appear as \"not charging\" if the battery is cold. Simply wait a little and reconnect.\u003c\/p\u003e\n\u003cp\u003eWith the \u003ca href=\"\/en\/products\/flex-whp-wandhalter-haken\"\u003eFLEX WHP Wall Mount System\u003c\/a\u003e, the 12V battery pack can be neatly stored on the wall and charged at the same time. A Battery Hook for the 12V battery mounted next to the workstation saves daily searching for the battery and ensures it is ready and charged the next morning.\u003c\/p\u003e\n\u003ch3\u003eP-Set 12-22 Q Comparison — 12V vs. 18V and the Right System for Your Needs\u003c\/h3\u003e\n\u003cp\u003eThe most common question when buying the first FLEX battery set: 12V or 18V? The answer depends on the intended tool use — both voltage classes are justified and complement each other in professional use.\u003c\/p\u003e\n\u003cp\u003eThe 12V system — and thus the P-Set 12-22 Q — is the right choice when handiness and low weight are paramount: cordless screwdrivers, small saws, hand tools for precision work. For these devices, 18V is usually oversized and makes the tools unnecessarily heavy. 12V provides enough energy for the intended tasks and keeps the tool compact.\u003c\/p\u003e\n\u003cp\u003eThe 18V system — represented by \u003ca href=\"\/en\/products\/flex-pset22q-akku-set-18v\"\u003eP-Set 22 Q\u003c\/a\u003e and \u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e — is the choice for power-intensive tools: orbital polishers, angle grinders, high-performance devices that run continuously under load. Here, the higher energy density of the 18V system is needed to ensure sufficient runtimes and consistent performance.\u003c\/p\u003e\n\u003cp\u003eFor a professional detailing workshop with a wide range of tools, we recommend both systems: 12V for hand tools and screwdriving, 18V for all polishing and high-performance tools. The P-Set 12-22 Q is the economical entry into the 12V segment — the surcharge compared to buying battery and charger separately is small, but the compatibility assurance through the set is high.\u003c\/p\u003e\n\u003ch3\u003eBuying the FLEX P-Set 12-22 Q — For Whom and in What Configuration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX P-Set 12-22 Q Battery Set 12V\u003c\/strong\u003e is the right choice for anyone purchasing a FLEX 12V tool or expanding their 12V portfolio. The set contains everything necessary for immediate cordless use — no subsequent purchase, no compatibility check.\u003c\/p\u003e\n\u003cp\u003eIf you already own a FLEX 12V tool and only need another battery pack, you can alternatively purchase the battery pack individually. For first-time users, however, the P-Set 12-22 Q is the more recommendable option: the included charger is matched to the specific battery pack and ensures optimal charging performance and battery life.\u003c\/p\u003e\n\u003cp\u003eFor workshops with multiple technicians and parallel tool use, we recommend purchasing the P-Set 12-22 Q twice — one set per active workstation. This ensures that a charged 12V battery is available for each technician, and charging times do not interrupt the workflow. The investment in a second set quickly pays for itself through saved waiting time and increased work flexibility.\u003c\/p\u003e\n\u003cp\u003eThe P-Set 12-22 Q is also the most economical way to enter the FLEX 12V system. Compared to purchasing the battery pack and charger separately, the set offers a price advantage and guarantees system compatibility. Those familiar with FLEX tool quality from the 18V range will find the same manufacturing quality and system consistency in the 12V line — the P-Set 12-22 Q is the compact entry into this quality.\u003c\/p\u003e","brand":"FLEX","offers":[{"title":"P-Set 12-22 Q \"531719\"","offer_id":57377618854223,"sku":"D1-FLEX-531719","price":165.41,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/flex-p-set-12-22-q-akku-set-12v-p-set-12-22-q-531719-531719.png?v=1775059142"},{"product_id":"flex-pset22q-akku-set-18v","title":"\"P-Set 22 Q\" Cordless Screwdriver Kit (18V)","description":"\u003ch2\u003eFLEX P-Set 22 Q Battery Set 18V — compact entry-level battery set for cordless FLEX random orbital polishers and 18V tools\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is the FLEX P-Set 22 Q? The FLEX P-Set 22 Q is an 18-volt battery set with a compact FLEX 18V 2.0 Ah battery pack and the corresponding FLEX rapid charger — the entry-level set for cordless FLEX 18V tools and the economical entry into the powerful FLEX 18V battery system.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003eCordless FLEX tools need the right battery — and the right battery starts with the right set. The \u003cstrong\u003eFLEX P-Set 22 Q Battery Set 18V\u003c\/strong\u003e is the compact entry-level package for all FLEX 18V tools: a 2.0 Ah battery pack with the matched FLEX charger, ready for immediate use. For detailers and vehicle reconditioners who are starting with a cordless FLEX 18V device or are looking for an additional battery pack for alternating use, the P-Set 22 Q is the economical and technically sound starting point.\u003c\/p\u003e\n\u003cp\u003eThe 18V system is the main system in the cordless FLEX portfolio — this is where the power-intensive tools run: random orbital polishers like the \u003ca href=\"\/en\/products\/flex-xfe21518ec-15mm-akku-exzenterpolierer-freilauf-150mm-18v\"\u003eFLEX XFE 2-15 18 EC\u003c\/a\u003e, heat guns, LED construction spotlights, and other power tools designed for continuous professional use. The 2.0 Ah battery pack of the \u003cstrong\u003eP-Set 22 Q\u003c\/strong\u003e is the compact version in this system: lighter than the larger packs, sufficient for moderate use, and ideal as a second battery in alternating operation.\u003c\/p\u003e\n\u003cp\u003eThe difference between the compact 2.0 Ah pack and powerful larger variants primarily lies in the run time per charge cycle — not in compatibility. The P-Set 22 Q works with the same 18V FLEX tools as the stronger \u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e, but provides shorter sessions between charge cycles. For beginners who want to test the cordless system first, and for professionals looking for a lightweight second pack for short tasks, this characteristic is an advantage — less weight on the tool, faster charging time.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e18V 2.0 Ah Lithium-Ion Battery Pack — compact, lightweight, and optimized for moderate use.\u003c\/strong\u003e The 2.0 Ah battery pack of the P-Set 22 Q is the lightest in the FLEX 18V system. When mounted on a random orbital polisher or a heat gun, the tool's weight remains at an ergonomically favorable level. For tasks that last a few minutes to half an hour — spot polishing, short-term assignments, intermediate work — the 2.0 Ah pack is the right choice. The charging time is correspondingly short.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes FLEX Rapid Charger — short charging cycles for continuous operation.\u003c\/strong\u003e The P-Set 22 Q includes the FLEX charger matched to the 2.0 Ah battery pack. Short charging times mean short breaks — if you operate the battery in alternating mode with a second pack, you have virtually no interruption in your work cycle. The charger also charges the larger FLEX 18V battery packs of the same system, which allows for later capacity expansions without changing chargers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with all FLEX 18V Cordless Tools — one platform for the entire FLEX 18V portfolio.\u003c\/strong\u003e The FLEX 18V battery system is cross-platform compatible: The 2.0 Ah battery pack from the P-Set 22 Q works with all FLEX 18V machines — polishers, heat guns, screwdrivers, construction spotlights. Those who use FLEX as a system manufacturer benefit from universal compatibility: no manufacturer mix, no adapters, one charging ecosystem for all tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cblockquote class=\"praxistipp\"\u003e\n\u003cp\u003e\u003cstrong\u003ePractical tip from Detailing1:\u003c\/strong\u003e Combine the FLEX P-Set 22 Q ideally in alternating operation with a \u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e: The lightweight 2.0 Ah pack from the 22 Q for short, movement-intensive jobs like polishing sills and roof edges — less weight spares the arms for tasks held high. The 5.0 Ah pack from the 55 R for long seating surfaces and hoods, where continuous use without charging breaks is crucial. With this combination principle, you can work through the entire vehicle without ever losing charging time.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003eFLEX 18V Battery System — Platform Consistency as a System Advantage for the Professional Workshop\u003c\/h3\u003e\n\u003cp\u003eThe FLEX 18V battery system is more than a collection of battery packs — it is a consistent platform strategy that connects all FLEX 18V tools. Every battery pack from the 18V system, whether 2.0 Ah from the P-Set 22 Q or 5.0 Ah from the \u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e, fits every FLEX 18V device. This sounds self-evident, but it is not guaranteed in the professional tool market — some manufacturers use tool-specific battery formats that prevent cross-platform use. FLEX takes the more consistent approach: one platform, all devices.\u003c\/p\u003e\n\u003cp\u003eFor the professional workshop, this platform consistency means: investments in battery packs are not device-specific, but rather system investments. If you buy the P-Set 22 Q today for a FLEX XFE random orbital polisher, you can use the same battery pack tomorrow for a \u003ca href=\"\/en\/products\/flex-hg-530-18-akku-heissluftpistole\"\u003eFLEX HG 530 18 heat gun\u003c\/a\u003e or a \u003ca href=\"\/en\/products\/flex-tl-4000-18-led-baustrahler\"\u003eFLEX TL 4000 18 LED construction spotlight\u003c\/a\u003e. This significantly reduces the total battery inventory required for a complete cordless tool fleet.\u003c\/p\u003e\n\u003cp\u003eThe FLEX charger from the P-Set 22 Q charges all FLEX 18V battery packs — regardless of capacity. This means that even larger packs acquired later can be charged with a single charger from the P-Set 22 Q. This makes the P-Set 22 Q a sensible starter package even for workshops that want to upgrade to larger capacities in the long term — the charger remains usable, only the battery pack is replaced or supplemented.\u003c\/p\u003e\n\u003cp\u003eAnother system advantage of the FLEX 18V platform: Future FLEX 18V tools will also be compatible with the same battery system. Those who invest in FLEX 18V today can expect the battery system to remain compatible over several product generations — a reliability that generically assembled tool fleets from different manufacturers cannot offer.\u003c\/p\u003e\n\u003ch3\u003eP-Set 22 Q in Polishing Use — Cordless Polishing with the Compact Battery Pack\u003c\/h3\u003e\n\u003cp\u003eThe most common question when polishing wirelessly with FLEX: Is the 2.0 Ah battery pack from the P-Set 22 Q sufficient for a complete vehicle application? The honest answer: For a complete vehicle in one pass — no. For targeted spot polishing, partial areas, or as a second pack in alternating operation — yes, and very well.\u003c\/p\u003e\n\u003cp\u003eThe 2.0 Ah pack provides about 20–30 minutes of run time on a random orbital polisher like the \u003ca href=\"\/en\/products\/flex-xfe21518ec-15mm-akku-exzenterpolierer-freilauf-150mm-18v\"\u003eFLEX XFE 2-15 18 EC\u003c\/a\u003e at moderate load. This is enough for a hood, both doors on one side, or a roof — not for a complete vehicle in one pass. If you want to polish an entire vehicle wirelessly, you need either larger battery packs (→ P-Set 55 R) or multiple packs in alternating operation.\u003c\/p\u003e\n\u003cp\u003eFor alternating operation, the P-Set 22 Q is ideal: The 2.0 Ah pack charges quickly — while the second pack is running on the tool, the first one is already charging. If you purchase a second P-Set 22 Q or a single replacement battery pack, you can work practically without breaks: One pack on the tool, one in the charger, switch every 30 minutes. This rhythm fits well with the three-step polishing protocol, where regular pad cleaning breaks are necessary anyway.\u003c\/p\u003e\n\u003cp\u003eFor professional detailers who polish several vehicles daily, the 2.0 Ah pack as an addition to the powerful 5.0 Ah pack is the recommended combination: The large pack for long-distance use, the small pack for detail areas where the polisher has to be held high and weight plays a role. This division of tasks between battery sizes is the professional usage strategy in the FLEX 18V system.\u003c\/p\u003e\n\u003ch3\u003eBattery Care and Storage — How to Make Your 18V Battery Pack Last Longer\u003c\/h3\u003e\n\u003cp\u003eLithium-ion battery packs are durable — if treated correctly. A few consistently followed rules significantly extend the lifespan of the FLEX 18V battery pack from the P-Set 22 Q and maintain its capacity over many charging cycles.\u003c\/p\u003e\n\u003cp\u003eThe most important rule: Never deep discharge. If the tool noticeably loses power or the battery warning light on the device appears, immediately replace and charge it. Deep discharge irreversibly damages the lithium-ion cells and permanently reduces capacity. Most FLEX 18V devices have an electronic deep discharge protection circuit that automatically switches off the tool — nevertheless, the battery should be connected to the charger immediately after this protective shutdown.\u003c\/p\u003e\n\u003cp\u003eFor storage: Do not store battery packs fully charged for extended periods. When the workshop is closed for vacation or other longer breaks, bring the battery to approx. 40–60% charge. Fully charged lithium cells under continuous voltage age faster than moderately charged ones. The FLEX charger has a precise charging algorithm that optimally charges the battery and prevents overcharging — so this concern is taken care of during ongoing operation.\u003c\/p\u003e\n\u003cp\u003eTemperature is the third critical factor: Do not store battery packs in a hot vehicle or near heat sources. Heat above 40°C significantly accelerates cell aging. In summer, remove the tool from the car after use and store it in the workshop. The \u003ca href=\"\/en\/products\/flex-whp-wandhalter-haken\"\u003eFLEX WHP wall mount system\u003c\/a\u003e is the ideal solution for proper storage with simultaneous charging function: hang up the battery, charge it at the same time, always store it in an optimal temperature environment. Those who work this way automatically maximize the lifespan of their FLEX 18V battery packs.\u003c\/p\u003e\n\u003ch3\u003eP-Set 22 Q in Comparison — 2.0 Ah vs. 5.0 Ah vs. 8.8 Ah XLITHIUM\u003c\/h3\u003e\n\u003cp\u003eThe FLEX 18V system offers three battery capacities in its main assortment: 2.0 Ah (P-Set 22 Q), 5.0 Ah (\u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e) and 8.8 Ah XLITHIUM (\u003ca href=\"\/en\/products\/flex-pset1888r-akku-set-xlithium-18v\"\u003eP-Set 18-88 R\u003c\/a\u003e). The right capacity depends on the usage profile — here are the most important distinguishing features.\u003c\/p\u003e\n\u003cp\u003eThe 2.0 Ah pack from the P-Set 22 Q is the lightest and most compact. Run time: 20–30 minutes at moderate load. Charging time: short. Price: most affordable entry. Ideal for: alternating operation, complementary pack, ergonomically critical tasks, beginners to the cordless FLEX system. Not ideal for: longer continuous operation without charging interruptions, professional full-day operation without a replacement pack.\u003c\/p\u003e\n\u003cp\u003eThe 5.0 Ah pack from the P-Set 55 R is the most powerful all-rounder for continuous professional use: approx. 50–70 minutes run time at moderate load, higher weight, higher price. For detailers who polish several vehicles daily, the 5.0 Ah pack is the right main choice. The 8.8 Ah pack from the P-Set 18-88 R is the premium segment for maximum run times and high-performance tools — heavier, more expensive, but unsurpassed in endurance.\u003c\/p\u003e\n\u003cp\u003eIf you are undecided between the P-Set 22 Q and the P-Set 55 R, it is often better to choose the 55 R as the main pack and the 22 Q as the complementary pack. This combination optimally covers all scenarios: full run time for main tasks, lightweight complementary pack for detailed work, and fast change cycle due to the short charging time of the 2.0 Ah pack.\u003c\/p\u003e\n\u003ch3\u003eBuy FLEX P-Set 22 Q — Entry into the Cordless FLEX 18V System\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX P-Set 22 Q Battery Set 18V\u003c\/strong\u003e is the most economical entry into the cordless FLEX 18V system — and at the same time the most sensible addition for anyone already using a FLEX 18V tool and looking for a second battery pack for alternating operation. The set contains battery and charger as a coordinated package: no risk from incompatible chargers, no extra costs from wrong purchases.\u003c\/p\u003e\n\u003cp\u003eFor first-time users, we recommend ordering the desired FLEX 18V tool directly with the P-Set 22 Q — either as a package deal or as a deliberate combination of set and tool. The platform consistency of the FLEX 18V system makes this decision future-proof: every battery pack purchased today remains usable for all future FLEX 18V devices.\u003c\/p\u003e\n\u003cp\u003eFor long-term workshop planning: If you start with the P-Set 22 Q as an entry and requirements grow, you can upgrade to larger capacities at any time. The charger from the 22 Q remains usable — only the battery packs are supplemented or replaced by larger variants. This scalability is a key system advantage of the FLEX 18V portfolio and makes the initial investment in the P-Set 22 Q a decision without regret.\u003c\/p\u003e","brand":"FLEX","offers":[{"title":"P-Set 22 Q \"532740\"","offer_id":57377619018063,"sku":"D1-FLEX-532740","price":184.45,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/flex-p-set-22-q-akku-set-18v-p-set-22-q-532740-532740.png?v=1775059150"},{"product_id":"flex-pset55r-akku-set-18v","title":"\"P-Set 55 R\" Battery Set (18V)","description":"\u003ch2\u003eFLEX P-Set 55 R Battery Set 18V — powerful 5.0 Ah battery set for continuous professional use with FLEX random orbital polishers\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is the FLEX P-Set 55 R? The FLEX P-Set 55 R is an 18-volt battery set with a powerful FLEX 18V 5.0 Ah battery pack and the corresponding FLEX fast charger — the professional main set for cordless FLEX 18V continuous use in vehicle detailing and reconditioning.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003eAnyone who polishes professionally knows the problem: a vehicle with a weak battery requires several charging interruptions — in the middle of the work, in the middle of a body section, in the middle of the rhythm. The \u003cstrong\u003eFLEX P-Set 55 R Battery Set 18V\u003c\/strong\u003e is the answer to this problem: a 5.0 Ah battery pack that provides enough capacity for a complete vehicle section without a break, combined with the coordinated FLEX fast charger for short recovery times between uses.\u003c\/p\u003e\n\u003cp\u003eIn the FLEX 18V system, the P-Set 55 R is the main set for professional workshop use — the right choice for the \u003ca href=\"\/en\/products\/flex-xfe21518ec-15mm-akku-exzenterpolierer-freilauf-150mm-18v\"\u003eFLEX XFE 2-15 18 EC Cordless Random Orbital Polisher\u003c\/a\u003e, the \u003ca href=\"\/en\/products\/flex-hg-530-18-akku-heissluftpistole\"\u003eFLEX HG 530 18 Cordless Heat Gun\u003c\/a\u003e and other 18V high-performance tools that run continuously under load. The 5.0 Ah pack provides the necessary energy reserve for long-distance use — from the hood to the trunk, without interruption.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eP-Set 55 R\u003c\/strong\u003e includes the battery and charger as a coordinated system. This means: optimal charging algorithm, correct charging voltage and current for precisely this battery pack, and no risk from generic third-party chargers that prematurely age the battery due to an incorrect charging profile. Those who work with FLEX quality tools should also rely on FLEX system solutions for battery management.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.0 Ah battery pack — sufficient capacity for continuous professional use without frequent charging interruptions.\u003c\/strong\u003e The 5.0 Ah battery pack of the P-Set 55 R provides approx. 50–75 minutes of runtime with a FLEX 18V random orbital polisher under normal load. This corresponds to a complete cutting step on a mid-range vehicle or a complete leather care process with the \u003ca href=\"\/en\/products\/flex-fs-140-flexible-welle\"\u003eFS 140 Flexible Shaft\u003c\/a\u003e. No change in the middle of the work, no loss of rhythm due to charging waiting time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFLEX fast charger included in the set — short charging times for professional alternating operation.\u003c\/strong\u003e The P-Set 55 R includes the FLEX fast charger, which charges the 5.0 Ah battery pack reliably and gently. Short recovery times enable alternating operation with a second pack without long interruptions. The charger also charges smaller 18V battery packs — universally applicable for the entire FLEX 18V range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform-compatible with all FLEX 18V tools — one battery pack for the entire 18V tool fleet.\u003c\/strong\u003e The 5.0 Ah battery pack from the P-Set 55 R fits every FLEX 18V tool — from polishers to heat guns to LED work lights. The FLEX 18V platform consistency makes the 55 R battery pack a universal energy source for the entire cordless tool park of a professional workshop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cblockquote class=\"praxistipp\"\u003e\n\u003cp\u003e\u003cstrong\u003ePractical tip from Detailing1:\u003c\/strong\u003e The P-Set 55 R is the main set — and a P-Set 55 R strategy for professional full operation looks like this: Two 5.0 Ah packs for alternating operation on the polisher, a third pack as a reserve in the charging station. When pack 1 is running on the device, pack 2 charges. When pack 2 goes into the device, pack 3 charges. With this three-pack rotation principle, you can polish all day long without a single involuntary charging break. The investment in the second and third set pays for itself for a full-time detailing workshop within a few weeks due to saved waiting times.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003e5.0 Ah capacity in daily practice — what the large battery pack really delivers\u003c\/h3\u003e\n\u003cp\u003eBattery capacity in ampere-hours is an abstract quantity — what it means for everyday polishing is more concrete. The 5.0 Ah battery pack from the \u003cstrong\u003eP-Set 55 R\u003c\/strong\u003e has five times the nominal capacity of the simplest 1.0 Ah pack. In practice, this means significantly longer runtimes between charging cycles, more consistent performance under high load, and an overall calmer work rhythm without frequent interruptions. For a detailer who reconditions several vehicles daily, this calm in the work rhythm is not a luxury — it is productivity-relevant.\u003c\/p\u003e\n\u003cp\u003eIn addition, there is a technical advantage of large battery packs that is often overlooked: voltage stability under load. A small battery pack loses more voltage under high current draw — i.e., at full polisher speed with an abrasive pad on compound — than a large pack with more cell reserves. This manifests itself in a slight loss of torque, which can affect the cutting pattern during paint correction. The 5.0 Ah pack maintains the operating voltage more stably, contributing to a more uniform cutting pattern and more predictable polishing results. A subtle but relevant difference for professional work.\u003c\/p\u003e\n\u003cp\u003eOn a FLEX random orbital polisher like the XFE 2-15 18 EC at medium to high speed and with a compound pad, the 5.0 Ah pack provides approx. 50–75 minutes of uninterrupted operation. For a complete three-step process on a compact vehicle — cut, compound, finish — this means that each individual step can be performed without charging interruption. Only between steps, when you are changing pads and inspecting the paint anyway, is the battery changed or a short charging process performed. This fits optimally with the professional polishing workflow.\u003c\/p\u003e\n\u003cp\u003eFor lighter tools and tasks — using the \u003ca href=\"\/en\/products\/flex-fs-140-flexible-welle\"\u003eFLEX FS 140 Flexible Shaft\u003c\/a\u003e for leather care, operating the \u003ca href=\"\/en\/products\/flex-tl-4000-18-led-baustrahler\"\u003eFLEX TL 4000 18 LED work light\u003c\/a\u003e — the runtime increases accordingly, as the energy requirement is lower. A 5.0 Ah pack can power an LED work light for several hours or operate the FS 140 for a complete car interior. The capacity of the P-Set 55 R sensibly covers the entire usage range of the FLEX 18V system.\u003c\/p\u003e\n\u003cp\u003eThe higher weight of the 5.0 Ah pack compared to the 2.0 Ah pack of the \u003ca href=\"\/en\/products\/flex-pset22q-akku-set-18v\"\u003eP-Set 22 Q\u003c\/a\u003e is the unavoidable downside of the higher capacity. For most polishing tasks, the extra weight is not a relevant restriction — the polisher rests on the paint surface, not in an raised hand. For tasks where the polisher has to be held up for longer periods — roof polishing, windshield areas — the lighter 2.0 Ah pack is the more ergonomic addition. Both sizes together optimally cover all scenarios.\u003c\/p\u003e\n\u003ch3\u003eP-Set 55 R in the polishing system — battery management for professional daily operation\u003c\/h3\u003e\n\u003cp\u003eProfessional detailing workshops often polish several vehicles per day — resulting in several complete three-step protocols, which together add up to many hours of polishing time. For this usage profile, the P-Set 55 R is the right foundation, but a single set is not enough for the entire working day. Professional battery management with the P-Set 55 R relies on multiple sets in rotation.\u003c\/p\u003e\n\u003cp\u003eThe recommended configuration for an 8-hour workshop with one polishing station: Two to three 5.0 Ah battery packs from the P-Set 55 R. With two packs: one pack on the polisher, one in the charger — with short charging waiting times between vehicles. With three packs: one pack on the polisher, one in the charger, one as a charged reserve — virtually no involuntary waiting times. The charger from the P-Set 55 R runs almost continuously, which is perfectly within its design — FLEX chargers are designed for continuous operation in a professional context.\u003c\/p\u003e\n\u003cp\u003eFor workshops with several parallel polishing stations, the battery requirement multiplies accordingly. Here we recommend combining the battery packs with the \u003ca href=\"\/en\/products\/flex-whp-wandhalter-haken\"\u003eFLEX WHP Wall Mount System\u003c\/a\u003e: The WHP-2 AC\/DC double wall mounts charge and store two battery packs simultaneously directly at the polishing station. When the workshop opens in the morning, all battery packs are fully charged in the holders — no organizational effort, no searching, immediately ready for use.\u003c\/p\u003e\n\u003ch3\u003eP-Set 55 R Battery Care — Longevity through Proper Handling\u003c\/h3\u003e\n\u003cp\u003eThe 5.0 Ah battery pack is a significant investment, and its lifespan directly depends on care. Treated correctly, a lithium-ion battery pack lasts several hundred charge cycles with only minor capacity loss. Treated incorrectly, it loses capacity significantly faster.\u003c\/p\u003e\n\u003cp\u003eThe most important care instructions: Avoid deep discharge — if the FLEX tool electronically signals power draw or switches itself off, place it directly in the charger. Do not store at temperatures above 40°C — summer heat in the car is a common battery killer. Do not store fully charged permanently — if the battery pack is not used for several weeks, it should be stored at approx. 50–60% charge. The FLEX charger automatically prevents overcharging — in normal operation at the charging station, this is not an issue.\u003c\/p\u003e\n\u003cp\u003eThe charger from the P-Set 55 R uses an intelligent charging algorithm that charges the battery gently yet quickly. Third-party chargers that are not matched to the specific FLEX 18V battery pack can reduce its lifespan with incorrect charging profiles. A good reason to stick with the official P-Set 55 R set and not buy a generic charger.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/en\/products\/flex-whp-wandhalter-haken\"\u003eFLEX WHP-2 AC\/DC Wall Mount System\u003c\/a\u003e solves practical storage and simultaneous charging: two battery packs charge and store simultaneously on the wall, directly at the polishing station. Open the workshop in the morning — all batteries fully charged in the holders. Hang up the batteries in the evening — no charging stress, no forgetting. The WHP solution combines proper storage with optimized charge management and is the recommended addition to any P-Set 55 R in professional use.\u003c\/p\u003e\n\u003ch3\u003eP-Set 55 R in comparison — why 5.0 Ah is the optimal capacity profile for detailing\u003c\/h3\u003e\n\u003cp\u003eThe FLEX 18V system offers various battery capacities. The P-Set 55 R with 5.0 Ah is the optimal balance between capacity, weight, and price from a detailing perspective.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/en\/products\/flex-pset22q-akku-set-18v\"\u003eP-Set 22 Q\u003c\/a\u003e with 2.0 Ah is too small for continuous professional operation — too frequent charging interruptions, too short runtime per charge cycle. It is useful as an supplementary pack for ergonomically critical tasks or as an entry-level set. As a sole main set for daily polishing, it is undersized.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/en\/products\/flex-pset1888r-akku-set-xlithium-18v\"\u003eP-Set 18-88 R XLITHIUM\u003c\/a\u003e with 8.8 Ah is the premium segment: even more capacity, even more weight, higher price. For extreme continuous use or high-performance tools that heavily strain the battery, the 8.8 Ah pack is the right choice. For normal daily detailing — three to five vehicles per day with a three-step polishing protocol — the 5.0 Ah pack of the P-Set 55 R is the right optimum: enough capacity for long shifts, not unnecessarily heavy for handling on the polisher.\u003c\/p\u003e\n\u003cp\u003eTherefore, for the initial equipment of a detailing workshop, we recommend the P-Set 55 R as the main set — and if you can afford it and polish a lot daily, order two sets at once. The time saved through alternating operation without waiting times quickly justifies the double investment.\u003c\/p\u003e\n\u003ch3\u003eBuy FLEX P-Set 55 R — the main battery set for professional vehicle detailing\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX P-Set 55 R Battery Set 18V\u003c\/strong\u003e is the standard set for anyone who works professionally with FLEX 18V tools and values sufficient capacity and reliable performance. It is the recommended main equipment for the FLEX XFE 2-15 18 EC random orbital polisher and all other FLEX 18V devices in a detailing context.\u003c\/p\u003e\n\u003cp\u003eThe set contains everything needed for immediate use: battery pack and charger, coordinated for maximum performance and battery life. No need to buy extra, no compatibility issues — ready to use straight out of the box. Compatibility with the entire FLEX 18V system makes the P-Set 55 R a long-term investment: every subsequent FLEX 18V tool purchase uses the same battery pack.\u003c\/p\u003e\n\u003cp\u003eFor workshops that use FLEX as a system manufacturer, the P-Set 55 R is the logical basis: As the main battery pack, it powers the polisher, the heat gun, the work light — and when you buy the next FLEX device, the battery pack is already available. Investing in the P-Set 55 R now means investing in the entire cordless FLEX 18V ecosystem.\u003c\/p\u003e","brand":"FLEX","offers":[{"title":"P-Set 55 R \"532739\"","offer_id":57377619149135,"sku":"D1-FLEX-532739","price":297.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/flex-p-set-55-r-akku-set-18v-p-set-55-r-532739-532739.png?v=1775059154"},{"product_id":"flex-pset1888r-akku-set-xlithium-18v","title":"\"P-Set 18-88 R\" XLITHIUM Battery Pack (18V)","description":"\u003ch2\u003eFLEX P-Set 18-88 R Cordless Kit XLITHIUM — maximum capacity for FLEX high-performance tools in professional use\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is the FLEX P-Set 18-88 R? The FLEX P-Set 18-88 R is an 18-volt XLITHIUM battery kit with a powerful 8.8 Ah high-capacity battery pack and the matching FLEX charger — the premium battery kit for extreme continuous use with FLEX 18V high-performance tools.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003eWhen capacity counts and charging interruptions are not an option, the \u003cstrong\u003eFLEX P-Set 18-88 R XLITHIUM\u003c\/strong\u003e is the answer. At 8.8 amp-hours, this battery pack is the most powerful element in the FLEX 18V system — designed for high-performance tools under continuous load, for long-haul polishing protocols without breaks, and for workshop operations where time literally means money. The XLITHIUM label at FLEX stands for high-performance cell technology, which enables this capacity value with professional reliability.\u003c\/p\u003e\n\u003cp\u003eCompared to the \u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e with 5.0 Ah, the \u003cstrong\u003eP-Set 18-88 R\u003c\/strong\u003e delivers almost double the capacity. This not only means longer runtimes but also a larger energy reserve for high-load situations — when the \u003ca href=\"\/en\/products\/flex-xfe21518ec-15mm-akku-exzenterpolierer-freilauf-150mm-18v\"\u003eFLEX XFE 2-15 18 EC\u003c\/a\u003e is running on paint with an abrasive compound pad under full pressure, it draws significantly more current than during a light finisher pass. The 8.8 Ah pack has the reserves for this situation — stable voltage, no power drop, no premature shutdown of the electronic protection circuit.\u003c\/p\u003e\n\u003cp\u003eThe P-Set 18-88 R includes the matching FLEX charger for XLITHIUM battery packs. XLITHIUM cells have specific charging requirements that a charger designed for this pack optimally serves — faster, gentler, and with longer preservation of cell properties than a generic charger or one designed for smaller packs. The kit is the complete, coordinated solution for the XLITHIUM segment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.8 Ah XLITHIUM battery pack — maximum capacity for extreme continuous use without charging interruption.\u003c\/strong\u003e With 8.8 Ah, the XLITHIUM pack delivers the longest runtime in the FLEX 18V system: on an orbital polisher at medium load, over 90 minutes of uninterrupted operation. This corresponds to a complete three-step protocol on a mid-range vehicle in a single charging cycle. For professional detailers who want to work through a vehicle from start to finish without battery pauses, the 8.8 Ah pack is the right tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXLITHIUM cell technology — high-performance cells for stable power even under maximum load.\u003c\/strong\u003e The XLITHIUM technology in this battery pack stands for high-performance cells with particularly good properties under high current draw: stable internal resistance, low heat generation under load, high cycle stability. On high-performance tools such as powerful polishers or saws, the XLITHIUM pack shows its advantage over standard battery packs: no voltage drop under load, consistent power delivery until actual discharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncl. XLITHIUM charger — charging optimized for the 8.8 Ah pack for maximum service life.\u003c\/strong\u003e The charger included in the P-Set 18-88 R is designed for the specific requirements of the XLITHIUM battery pack. The charging algorithm considers the cell properties of the high-capacity XLITHIUM cells and charges quickly without stressing the cells with too high a charging current. This significantly extends the service life of the 8.8 Ah pack compared to charging with uncoordinated devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cblockquote class=\"praxistipp\"\u003e\n\u003cp\u003e\u003cstrong\u003ePractical tip from Detailing1:\u003c\/strong\u003e The FLEX P-Set 18-88 R makes sense if you polish many vehicles daily or use high-performance tools that heavily stress the battery. However, if you polish one to two vehicles per day with a normal three-step protocol, the \u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e in alternating operation is more economical and more comfortable in terms of weight. The 8.8 Ah pack is heavier than the 5.0 Ah pack — you feel this weight at the end of a long workday. For absolute high-performance professionals and workshops with extreme throughput, the XLITHIUM pack is the right investment; for the normal professional detailer, the P-Set 55 R offers optimal value for money.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003eXLITHIUM Technology — what 8.8 Ah capacity means in practice\u003c\/h3\u003e\n\u003cp\u003eThe XLITHIUM designation at FLEX not only stands for a higher capacity number — it describes a specific cell technology developed for extreme requirements. XLITHIUM cells are designed to continuously deliver high currents without excessive heating or cell voltage drop. For professional tools that are continuously operated at full load, this is a relevant technical advantage.\u003c\/p\u003e\n\u003cp\u003eWhat 8.8 Ah means compared to 5.0 Ah: not simply \"more of the same,\" but a qualitatively different experience in continuous operation. A 5.0 Ah pack, operated under high load, reaches the critical discharge phase after about 45–60 minutes, where the cell voltage begins to drop. At this point, you often notice a slight but measurable power decrease in the tool. The 8.8 Ah pack, due to its larger cell reserves, has pushed this critical area further back — it remains in the optimal voltage range longer and delivers more consistent power over the entire period of use.\u003c\/p\u003e\n\u003cp\u003eFor paint correction with abrasive compound, this consistency is important: If the polisher runs under the pressure of a cut pad and the battery voltage begins to fluctuate, the speed of the orbital also fluctuates slightly. This manifests itself in an uneven cutting pattern — in some places, the device polishes more aggressively, in others more gently. With the XLITHIUM pack, the speed remains more consistent throughout the session, leading to a reproducible, professional cutting pattern.\u003c\/p\u003e\n\u003cp\u003eAnother aspect of XLITHIUM technology is heat generation. High-capacity cells that are discharged at high currents can heat up more than normal lithium-ion cells. FLEX has designed the XLITHIUM cells so that heat generation remains within an acceptable range even under maximum load. This protects both the battery pack and the power tool — and extends the lifespan of both components.\u003c\/p\u003e\n\u003ch3\u003eP-Set 18-88 R in use — for which tasks the XLITHIUM pack makes the difference\u003c\/h3\u003e\n\u003cp\u003eThe P-Set 18-88 R is not the right kit for every application — it is the right kit for specific high-performance applications where capacity and consistency are crucial. These scenarios particularly benefit from the 8.8 Ah of the XLITHIUM pack.\u003c\/p\u003e\n\u003cp\u003ePaint correction on heavily damaged vehicles: If a vehicle with deep swirls and holograms requires an intensive multi-step cut, the orbital polisher works under continuous high load. In this situation, the 8.8 Ah pack shows its advantage: stable voltage, consistent speed, no premature activation of the protection circuit. A detailer who continuously corrects a heavily damaged vehicle from hood to trunk appreciates the range of the XLITHIUM pack.\u003c\/p\u003e\n\u003cp\u003eComplete vehicle paintwork with ceramic coating: If, after polishing, a ceramic coating is applied mechanically with a polishing pad, the polisher runs over the entire vehicle again. With a weaker battery, this second complete pass would require at least one charging process. With the 8.8 Ah pack, the entire coating pass runs without interruption — and for many ceramic applications, it is relevant to perform the work in one go.\u003c\/p\u003e\n\u003cp\u003eUse on power-intensive non-polishing tools: The FLEX TL 4000 18 LED construction light, powerful FLEX angle grinders or saws draw significantly more current than a polisher under normal load. The 8.8 Ah pack supplies these tools with sufficient capacity for long uses — a 5.0 Ah pack reaches its limits faster with this class of tools.\u003c\/p\u003e\n\u003ch3\u003eP-Set 18-88 R charge management — efficient handling of the high-capacity pack\u003c\/h3\u003e\n\u003cp\u003eAn 8.8 Ah battery pack charges slower than a 2.0 Ah pack — this is simply due to the larger amount of energy that needs to be transferred to the cells. The charger from the P-Set 18-88 R charges the XLITHIUM pack as fast as technically sensible and gently possible. The specific charging time depends on the discharge state: A full charge of a completely discharged 8.8 Ah pack takes correspondingly longer than with smaller packs.\u003c\/p\u003e\n\u003cp\u003eFor professional operation with the P-Set 18-88 R, we therefore recommend alternating operation with at least two packs: While pack 1 is running on the tool, pack 2 charges. The charging cycle of the 8.8 Ah pack is long enough that unavoidable waiting times arise without a second pack. Two P-Set 18-88 R kits or the combination of one 18-88 R with a 55 R as a second pack are the professional solution for uninterrupted daily operation.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/en\/products\/flex-whp-wandhalter-haken\"\u003eFLEX WHP-2 AC\/DC Wall Mount Hook System\u003c\/a\u003e is particularly recommended for charge management with the 18-88 R: Charge both packs simultaneously and store them neatly on the wall — the next working day begins with two fully charged XLITHIUM packs in the holders. For workshops that work intensively with FLEX 18V high-performance tools every day, this combination of P-Set 18-88 R and WHP wall mount is the professional standard.\u003c\/p\u003e\n\u003ch3\u003eP-Set 18-88 R vs. P-Set 55 R — when the XLITHIUM pack is the right choice\u003c\/h3\u003e\n\u003cp\u003eThe honest assessment: Not everyone needs the XLITHIUM pack. The P-Set 18-88 R is the right choice for a specific area of use — and the \u003ca href=\"\/en\/products\/flex-pset55r-akku-set-18v\"\u003eP-Set 55 R\u003c\/a\u003e is the optimal solution for the rest of the professional sector. The decision depends on the actual usage profile.\u003c\/p\u003e\n\u003cp\u003eWe recommend the P-Set 18-88 R for: workshops with very high daily vehicle throughput (more than 4–5 full detailings per day), use with power-intensive high-performance tools with high power requirements, detailers who choose maximum runtime without compromise out of conviction and value-for-money reasons, and as a third secondary pack alongside two 5.0 Ah packs for maximum rotation flexibility.\u003c\/p\u003e\n\u003cp\u003eThe P-Set 55 R is for: normal professional operation with one to three vehicles per day, alternating operation with two packs, ergonomically conscious work where the slightly lower weight of the 5.0 Ah pack makes a difference over the day. For the majority of professional detailers, the P-Set 55 R offers optimal value for money.\u003c\/p\u003e\n\u003ch3\u003eBuy FLEX P-Set 18-88 R — the premium battery kit for the most demanding professional\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFLEX P-Set 18-88 R XLITHIUM\u003c\/strong\u003e is the top model in the FLEX 18V battery system and is aimed at professionals who accept no compromises in terms of capacity and power consistency. It is the right kit for high-performance operation, for intensive vehicle throughput, and for anyone working at the absolute performance limit with FLEX 18V tools.\u003c\/p\u003e\n\u003cp\u003eThe kit contains battery pack and charger as a coordinated XLITHIUM system — no compromises in charging performance, no service life reductions due to incompatible chargers. Like all FLEX 18V battery packs, the 8.8 Ah pack is fully compatible with all FLEX 18V tools — the XLITHIUM capacity is available for the entire 18V tool portfolio.\u003c\/p\u003e\n\u003cp\u003eAnyone starting with the P-Set 18-88 R starts at the top end of the FLEX 18V battery system. All smaller capacities are downward additions — but for starting with maximum reserve capacity, the XLITHIUM pack is a decision you won't regret.\u003c\/p\u003e","brand":"FLEX","offers":[{"title":"P-Set 18-88 R \"533175\"","offer_id":57377619312975,"sku":"D1-FLEX-533175","price":474.81,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/flex-p-set-18-88-r-akku-set-xlithium-18v-p-set-18-88-r-533175-533175.png?v=1775059147"}],"url":"https:\/\/detailing1.lu\/en\/collections\/akkus.oembed","provider":"Detailing1","version":"1.0","type":"link"}