{"product_id":"3s-12v-6a-li-ion-lipo-bms-protection-board-18650-11-1v-overcharge-overdischarge","title":"3S 12V 6A Li-ion \/ LiPo BMS Protection Board — 18650, 11.1V, Overcharge\/Overdischarge","description":"\u003ch2\u003e3S 12V 6A Li-ion \/ LiPo BMS Protection Board — 18650, 11.1V\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003e3S BMS (Battery Management System)\u003c\/strong\u003e protects a 3-cell series lithium-ion or LiPo battery pack (11.1V nominal, 12.6V fully charged) from overcharge, overdischarge, and overcurrent. Designed for 18650 cell packs used in power tools, e-bikes, portable power stations, and DIY battery systems. The compact 50×16mm PCB fits inside most battery enclosures.\u003c\/p\u003e\n\n\u003ch3\u003eProtection Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3S (3 cells in series)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 11.1V (3 × 3.7V) | \u003cstrong\u003eFull Charge:\u003c\/strong\u003e 12.6V (3 × 4.2V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiPo Voltage:\u003c\/strong\u003e 10.8V (3 × 3.6V nominal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Working Current:\u003c\/strong\u003e 4–5A continuous\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Peak Current:\u003c\/strong\u003e 6–7A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercharge Protection:\u003c\/strong\u003e 4.25–4.35V per cell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverdischarge Protection:\u003c\/strong\u003e 2.3–3.0V per cell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Temperature:\u003c\/strong\u003e -40°C to +50°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +80°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby Current:\u003c\/strong\u003e 6μA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Resistance:\u003c\/strong\u003e \u0026lt;45mΩ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 50 × 16 × 1.0mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e3S BMS Cell Configuration\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3 × 18650 cells in series = 11.1V nominal \/ 12.6V full charge\u003c\/li\u003e\n  \u003cli\u003eEach cell individually monitored for overcharge and overdischarge\u003c\/li\u003e\n  \u003cli\u003eCommon 12V tool voltage (compatible with 12V power tool ecosystem)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY 12V power tool battery pack (drill, screwdriver)\u003c\/li\u003e\n  \u003cli\u003e3S LiPo drone battery protection\u003c\/li\u003e\n  \u003cli\u003ePortable 12V power station\u003c\/li\u003e\n  \u003cli\u003eE-bike 12V auxiliary battery\u003c\/li\u003e\n  \u003cli\u003eSolar energy storage 3S Li-ion pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e3S 12V 6A BMS protection board — 18650, 11.1V, overcharge\/overdischarge\/overcurrent protection, 50×16mm for DIY power tool battery packs and portable power systems.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991445852395,"sku":"\u003cnone\u003e","price":5.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/3s-12v-6a-li-ion-lipo-bms-pcm-battery-protection-board.webp?v=1761806122","url":"https:\/\/keszoox.com\/products\/3s-12v-6a-li-ion-lipo-bms-protection-board-18650-11-1v-overcharge-overdischarge","provider":"Keszoox","version":"1.0","type":"link"}