{"product_id":"3s-12-6v-20a-li-ion-bms-protection-board-18650-drill-motor","title":"3S 12.6V 20A Li-ion BMS Protection Board — 18650, Drill Motor, -40°C to 85°C","description":"\u003ch2\u003e3S 12.6V 20A Li-ion BMS Protection Board — 18650, Drill Motor, -40°C to 85°C\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003e3S 20A BMS protection board\u003c\/strong\u003e is designed for high-current 3-cell series Li-ion battery packs used in power tools, drill motors, and high-drain applications. Rated at 20A continuous discharge with full overcharge, overdischarge, and overcurrent protection, it handles demanding loads that standard 6A BMS boards cannot support.\u003c\/p\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\u003e3S (3 cells in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Charge Voltage\u003c\/td\u003e\n\u003ctd\u003e12.6V (4.2V per cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Discharge Current\u003c\/td\u003e\n\u003ctd\u003e20A\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~40A peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Cells\u003c\/td\u003e\n\u003ctd\u003e18650, 26650, Li-ion pouch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003e20A vs 6A BMS — Which to Choose?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e20A BMS (This Product)\u003c\/th\u003e\n\u003cth\u003e6A BMS\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003ctd\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eDrill motors, power tools, robotics\u003c\/td\u003e\n\u003ctd\u003eLED strips, small electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current\u003c\/td\u003e\n\u003ctd\u003e~40A\u003c\/td\u003e\n\u003ctd\u003e~12A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This 20A BMS?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e20A continuous rating\u003c\/strong\u003e — handles drill motor startup surge and sustained load\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e-40°C to +85°C\u003c\/strong\u003e — reliable in cold garage and hot workshop environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFull protection suite\u003c\/strong\u003e — overcharge, overdischarge, overcurrent, short circuit\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e18650 compatible\u003c\/strong\u003e — standard cell format for DIY battery packs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact PCB\u003c\/strong\u003e — fits inside standard power tool battery enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDIY 12V power tool battery pack (drill, screwdriver)\u003c\/li\u003e\n\u003cli\u003e3S 18650 high-current battery pack\u003c\/li\u003e\n\u003cli\u003eRobotics and heavy-duty motor drive battery\u003c\/li\u003e\n\u003cli\u003eE-bike auxiliary battery protection\u003c\/li\u003e\n\u003cli\u003eHigh-current LED and motor driver power supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × 3S 12.6V 20A Li-ion BMS Protection Board\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991433040107,"sku":"\u003cnone\u003e","price":4.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/3s-12-6v-20a-li-ion-battery-bms-protection-board-18650.webp?v=1761882181","url":"https:\/\/keszoox.com\/products\/3s-12-6v-20a-li-ion-bms-protection-board-18650-drill-motor","provider":"Keszoox","version":"1.0","type":"link"}