{"product_id":"24v-6s-40a-li-ion-bms-protection-board-cell-balancing-ebike-solar","title":"24V 6S 40A Li-Ion Lithium Battery BMS Protection Board with Cell Balancing — E-Bike, Scooter, Solar","description":"\u003ch2\u003e24V 6S 40A Li-Ion BMS Protection Board with Cell Balancing\u003c\/h2\u003e\u003cp\u003eA high-current \u003cstrong\u003e6-series (6S) Battery Management System (BMS)\u003c\/strong\u003e designed for \u003cstrong\u003e24V lithium-ion battery packs\u003c\/strong\u003e. Rated at \u003cstrong\u003e40A continuous discharge current\u003c\/strong\u003e, this BMS provides comprehensive protection including \u003cstrong\u003eovercharge, over-discharge, overcurrent, and short-circuit protection\u003c\/strong\u003e, plus \u003cstrong\u003epassive cell balancing\u003c\/strong\u003e to equalize cell voltages and extend pack life. Ideal for \u003cstrong\u003ee-bike, electric scooter, solar energy storage, and DIY lithium battery pack\u003c\/strong\u003e applications.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e6S (6 cells in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Pack Voltage\u003c\/td\u003e\n\u003ctd\u003e24V (6 × 3.7V Li-ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Charge Voltage\u003c\/td\u003e\n\u003ctd\u003e25.2V (6 × 4.2V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Discharge Current\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvercharge Protection\u003c\/td\u003e\n\u003ctd\u003e4.25V ± 0.05V per cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-Discharge Protection\u003c\/td\u003e\n\u003ctd\u003e2.5V ± 0.1V per cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvercurrent Protection\u003c\/td\u003e\n\u003ctd\u003e~80–100A (trip threshold)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-Circuit Protection\u003c\/td\u003e\n\u003ctd\u003eYes (auto-recovery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Balancing\u003c\/td\u003e\n\u003ctd\u003ePassive balancing (during charging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose This 6S BMS?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40A continuous rating\u003c\/strong\u003e — handles e-bike and scooter motor loads without derating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell balancing\u003c\/strong\u003e — passive balancing equalizes cell voltages during charging for longer pack life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull protection suite\u003c\/strong\u003e — overcharge, over-discharge, overcurrent, and short-circuit in one board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-recovery\u003c\/strong\u003e — short-circuit protection resets automatically after fault clearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-30°C to +80°C\u003c\/strong\u003e — suitable for outdoor e-bike and solar applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact module\u003c\/strong\u003e — easy integration into custom battery pack enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-bike battery pack\u003c\/strong\u003e — 24V 40A BMS for electric bicycle lithium battery management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric scooter\u003c\/strong\u003e — protect 6S Li-ion pack from overcharge and over-discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar energy storage\u003c\/strong\u003e — 24V lithium battery bank for off-grid solar systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY power tool battery\u003c\/strong\u003e — replace NiMH packs with 24V Li-ion + BMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable power station\u003c\/strong\u003e — 24V lithium pack with full BMS protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar lighting\u003c\/strong\u003e — 24V battery management for outdoor solar LED systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eWiring Guide\u003c\/h3\u003e\u003cp\u003eConnect \u003cstrong\u003eB-\u003c\/strong\u003e to battery pack negative, \u003cstrong\u003eB1–B5\u003c\/strong\u003e to cell balance taps (between each cell), and \u003cstrong\u003eP-\u003c\/strong\u003e to load\/charger negative. The \u003cstrong\u003eC-\u003c\/strong\u003e port (if present) is the charger-only negative for separate charge\/discharge paths. Always verify wiring against the BMS datasheet before connecting cells.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this BMS compatible with LiFePO4 batteries?\u003c\/strong\u003e\u003cbr\u003eA: No. This BMS is calibrated for Li-ion chemistry (4.2V\/cell overcharge, 2.5V\/cell over-discharge). LiFePO4 requires different thresholds (3.65V\/cell charge, 2.5V\/cell discharge).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this BMS for a 24V 20Ah e-bike battery?\u003c\/strong\u003e\u003cbr\u003eA: Yes, as long as your motor controller draws no more than 40A continuous. For higher current applications, choose a 60A or 80A BMS.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Does the BMS support regenerative braking?\u003c\/strong\u003e\u003cbr\u003eA: Passive BMS boards generally support regenerative charging through the discharge port. Verify with your specific motor controller’s regen current level.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× 24V 6S 40A Li-Ion BMS Protection Board with Cell Balancing\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"6S 24V40A","offer_id":46991475867883,"sku":"14:350852#6S 24V40A","price":13.12,"currency_code":"USD","in_stock":true},{"title":"6S 24V20A","offer_id":46991475900651,"sku":"14:1202#6S 24V20A","price":9.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/24v-6s-40a-li-ion-bms-battery-protection-board-ebike-scooter.webp?v=1761630488","url":"https:\/\/keszoox.com\/products\/24v-6s-40a-li-ion-bms-protection-board-cell-balancing-ebike-solar","provider":"Keszoox","version":"1.0","type":"link"}