{"product_id":"stihl-4850-400-6526","title":"STIHL AP 20.1 Battery 4850 400 6526 | 36V 144Wh ALLPRO\/AP Battery","description":"\u003cp\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/www.stihlusa.com\/content\/dam\/stihl\/media\/pim\/150387.jpg\" alt=\"\" height=\"60\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-description stihl-ap-20-1-battery\"\u003e\n\u003ch2\u003eSTIHL AP 20.1 Battery - 4850 400 6526\u003c\/h2\u003e\n\u003cp\u003eThe STIHL AP 20.1 Battery, part number 4850 400 6526, is a 36V lithium-ion battery designed for the STIHL ALLPRO\/AP cordless power system. Built as a great entry point into the STIHL ALLPRO battery lineup, the AP 20.1 delivers dependable power, flexible compatibility, and strong value for homeowners, property owners, and professional users.\u003c\/p\u003e\n\u003cp\u003eWith intelligent battery electronics, Power Boost, Constant Power, 4 LED charge indicators, and splash protection, the AP 20.1 is built for a wide range of landscaping, trimming, property maintenance, and outdoor power equipment tasks.\u003c\/p\u003e\n\u003cp\u003eThis battery is commonly searched as STIHL AP 20.1, STIHL AP 20.1 battery, STIHL 4850 400 6526 battery, STIHL ALLPRO battery, STIHL AP battery, or STIHL 36V battery.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSTIHL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAP 20.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4850 400 6526\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLithium-Ion Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eCordless Power System\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eALLPRO\/AP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eRated Voltage\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e36 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eMaximum Voltage\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e40 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eEnergy Content\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e144 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eRated Capacity\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e3.90 Ah as per IEC 61960\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eRated Cell Capacity\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2 Ah as per manufacturer data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eBattery Weight\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e1.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eLED Indicators\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4 LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e116 mm W x 164 mm H x 70 mm L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eWater Resistance\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eIPX4 splash protection where specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine STIHL AP 20.1 battery\u003c\/li\u003e\n\u003cli\u003ePart number 4850 400 6526\u003c\/li\u003e\n\u003cli\u003e36V rated voltage with 144 Wh energy content\u003c\/li\u003e\n\u003cli\u003eDesigned for STIHL ALLPRO and AP cordless power systems\u003c\/li\u003e\n\u003cli\u003eGreat entry point into the STIHL ALLPRO battery system\u003c\/li\u003e\n\u003cli\u003ePower Boost function provides extra output when paired with compatible STIHL tools\u003c\/li\u003e\n\u003cli\u003eConstant Power technology helps maintain strong performance throughout the charge\u003c\/li\u003e\n\u003cli\u003eIntelligent electronics help protect the battery during overload situations\u003c\/li\u003e\n\u003cli\u003e4 LED charge indicator lights\u003c\/li\u003e\n\u003cli\u003eIPX4-rated splash protection where specified\u003c\/li\u003e\n\u003cli\u003eDesigned for up to 1,200 charge cycles where specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eReliable ALLPRO\/AP Battery Power\u003c\/h2\u003e\n\u003cp\u003eThe STIHL AP 20.1 is designed for users who want dependable cordless power in a versatile battery platform. It is ideal for common landscaping, trimming, cleanup, and property maintenance tasks when paired with compatible STIHL AP or ALLPRO tools.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePower Boost Performance\u003c\/h2\u003e\n\u003cp\u003eWith Power Boost, compatible STIHL tools and batteries communicate through internal intelligent electronics. When the tool and battery both support the Power Boost function, the battery can provide additional power for tougher applications while helping protect battery life.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eConstant Power Technology\u003c\/h2\u003e\n\u003cp\u003eThe STIHL AP 20.1 is designed with Constant Power technology to help maintain strong output throughout the battery charge. Compatible STIHL cordless tools are engineered to keep performance consistent instead of gradually losing power as the battery discharges.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBuilt-In Battery Protection\u003c\/h2\u003e\n\u003cp\u003eIntelligent electronics monitor battery performance and can adjust output in overload situations. This helps protect the battery, reduce stress during demanding work, and support long-term reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Battery System\u003c\/h2\u003e\n\u003cp\u003eThe STIHL AP 20.1 is part of the STIHL ALLPRO\/AP cordless power system. It is designed to work with compatible STIHL ALLPRO and AP system tools where approved by STIHL.\u003c\/p\u003e\n\u003cp\u003eAlways verify your STIHL tool model, battery requirements, charger compatibility, and owner’s manual before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Compatibility Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis listing is for STIHL part number 4850 400 6526\u003c\/li\u003e\n\u003cli\u003eBattery model: AP 20.1\u003c\/li\u003e\n\u003cli\u003eDesigned for the STIHL ALLPRO\/AP cordless power system\u003c\/li\u003e\n\u003cli\u003eVerify your STIHL tool accepts AP or ALLPRO batteries before ordering\u003c\/li\u003e\n\u003cli\u003eConfirm charger compatibility before use\u003c\/li\u003e\n\u003cli\u003eRuntime and performance vary by tool, workload, temperature, battery age, and operating conditions\u003c\/li\u003e\n\u003cli\u003eDo not order by battery series alone without confirming tool and charger compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhen to Choose the AP 20.1 Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eYou want an entry-level STIHL AP\/ALLPRO battery option\u003c\/li\u003e\n\u003cli\u003eYou need a battery for trimming, maintenance, and everyday property care\u003c\/li\u003e\n\u003cli\u003eYou want a balance of value, compatibility, and dependable runtime\u003c\/li\u003e\n\u003cli\u003eYou are building a STIHL AP or ALLPRO cordless equipment lineup\u003c\/li\u003e\n\u003cli\u003eYour STIHL tool manual lists AP system battery compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePart Number \/ Search Terms\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSTIHL AP 20.1\u003c\/li\u003e\n\u003cli\u003eAP 20.1 battery\u003c\/li\u003e\n\u003cli\u003eSTIHL AP20.1 battery\u003c\/li\u003e\n\u003cli\u003eSTIHL 4850 400 6526\u003c\/li\u003e\n\u003cli\u003eSTIHL 48504006526\u003c\/li\u003e\n\u003cli\u003e4850 400 6526 battery\u003c\/li\u003e\n\u003cli\u003eSTIHL ALLPRO battery\u003c\/li\u003e\n\u003cli\u003eSTIHL AP battery\u003c\/li\u003e\n\u003cli\u003eSTIHL 36V battery\u003c\/li\u003e\n\u003cli\u003eSTIHL 144Wh battery\u003c\/li\u003e\n\u003cli\u003eSTIHL Power Boost battery\u003c\/li\u003e\n\u003cli\u003eSTIHL Constant Power battery\u003c\/li\u003e\n\u003cli\u003eSTIHL cordless tool battery\u003c\/li\u003e\n\u003cli\u003eSTIHL AP system battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the STIHL AP 20.1?\u003c\/summary\u003e\n\u003cp\u003eThe STIHL AP 20.1 is a 36V lithium-ion battery with 144 Wh of energy content for the STIHL ALLPRO\/AP cordless power system.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the part number for the STIHL AP 20.1?\u003c\/summary\u003e\n\u003cp\u003eThe STIHL part number is 4850 400 6526.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat battery system does the AP 20.1 fit?\u003c\/summary\u003e\n\u003cp\u003eThe AP 20.1 is designed for the STIHL ALLPRO\/AP cordless power system. Always verify compatibility with your exact STIHL tool and charger before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the AP 20.1 have Power Boost?\u003c\/summary\u003e\n\u003cp\u003eYes. When paired with compatible STIHL tools that support Power Boost, the AP 20.1 can provide extra output for tougher applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the AP 20.1 water resistant?\u003c\/summary\u003e\n\u003cp\u003eThe AP 20.1 is listed with IPX4-rated splash protection where specified.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this battery with every STIHL cordless tool?\u003c\/summary\u003e\n\u003cp\u003eNo. Always verify your exact STIHL tool model, battery requirements, charger compatibility, and owner’s manual before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003ch2\u003eCalifornia Proposition 65 Warning\u003c\/h2\u003e\n\u003cp\u003eWARNING: This product contains chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eP\u0026amp;P Small Engines stocks STIHL batteries, chargers, cordless tools, replacement parts, accessories, chains, bars, trimmer line, and professional outdoor power equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":50453902917825,"sku":"4850 400 6526","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2803\/7330\/files\/img_538622d1-a0aa-4c80-9d89-ad22de7dedc0.jpg?v=1785606325","url":"https:\/\/pandpsmallengines.com\/products\/stihl-4850-400-6526","provider":"P \u0026 P Small Engines","version":"1.0","type":"link"}