{"product_id":"hx-3s-01-3s-bms-18650-li-ion-battery-protection-board-12-6v","title":"HX-3S-01 3S BMS 18650 Li-ion Battery Protection Board (12.6V)","description":"\u003ch2\u003eHX-3S-01 — 3S Lithium Battery BMS Protection Board\u003c\/h2\u003e\u003cp\u003eThe HX-3S-01 is a compact 3-series (3S) Battery Management System (BMS) designed for 18650 and similar lithium-ion battery packs. It provides essential protection against overcharge, over-discharge, and short circuits, making it a must-have for DIY 12.6V Li-ion battery packs used in power tools, e-bikes, portable power banks, and robotics projects.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3S configuration — supports 3 cells in series (12.6V nominal)\u003c\/li\u003e\n\u003cli\u003eOvercharge protection per cell (cutoff ~4.25V)\u003c\/li\u003e\n\u003cli\u003eOver-discharge protection per cell (cutoff ~2.5V)\u003c\/li\u003e\n\u003cli\u003eOvercurrent \u0026amp; short circuit protection\u003c\/li\u003e\n\u003cli\u003eBalanced charge support via B1, B2 balance taps\u003c\/li\u003e\n\u003cli\u003eCompact slim form factor — fits inside battery enclosures\u003c\/li\u003e\n\u003cli\u003ePads: B+, B1, B2, B−, P+, P− for easy wiring\u003c\/li\u003e\n\u003cli\u003eDual MOSFET design for charge and discharge control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDIY 12.6V 18650 lithium battery packs\u003c\/li\u003e\n\u003cli\u003ePower tool battery replacement packs\u003c\/li\u003e\n\u003cli\u003eE-bike and scooter battery systems\u003c\/li\u003e\n\u003cli\u003ePortable power stations\u003c\/li\u003e\n\u003cli\u003eRobotics and RC battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eModel: HX-3S-01 | Configuration: 3S | Voltage: 12.6V | Compatible: 18650 Li-ion cells\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping Policy:\u003c\/strong\u003e https:\/\/lahorestore.pk\/policies\/shipping-policy | \u003cstrong\u003eReturns Policy:\u003c\/strong\u003e https:\/\/lahorestore.pk\/policies\/refund-policy\u003c\/p\u003e","brand":"Lahore Store","offers":[{"title":"Default Title","offer_id":55775992348745,"sku":"HX-3S-01","price":210.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/9090\/2089\/files\/WhatsApp_Image_2026-06-29_at_9.20.28_PM.jpg?v=1782820871","url":"https:\/\/lahorestore.pk\/products\/hx-3s-01-3s-bms-18650-li-ion-battery-protection-board-12-6v","provider":"Lahore Store","version":"1.0","type":"link"}