{"product_id":"5s-100a-bms-battery-management-system-board-for-18650-li-ion-18v-21v","title":"5S 100A BMS Battery Management System Board for 18650 Li-ion (18V-21V)","description":"\u003ch2\u003e5S 100A BMS – Battery Management System Board\u003c\/h2\u003e\u003cp\u003eA high-current 5S Battery Management System (BMS) board designed for 5-cell series Li-ion\/LiPo battery packs (18V–21V nominal). Featuring 16x power MOSFETs and dual current sense resistors (R003), this BMS provides robust overcharge, over-discharge, overcurrent, and short circuit protection for demanding applications like e-bikes, power tools, and energy storage systems.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5S configuration: supports 5 Li-ion cells in series (18V–21V)\u003c\/li\u003e\n\u003cli\u003e100A continuous discharge current\u003c\/li\u003e\n\u003cli\u003e16x power MOSFETs for high-current switching\u003c\/li\u003e\n\u003cli\u003eDual R003 current sense resistors for accurate protection\u003c\/li\u003e\n\u003cli\u003eBalance pads: B+, B1, B2, B3, B4, B- for cell balancing\u003c\/li\u003e\n\u003cli\u003eOutput pads: P+, P-, C- for load and charger connections\u003c\/li\u003e\n\u003cli\u003eOvercharge, over-discharge, overcurrent, and short circuit protection\u003c\/li\u003e\n\u003cli\u003eWhite PCB with compact SMD design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConfiguration: 5S (5 cells in series)\u003c\/li\u003e\n\u003cli\u003eNominal Voltage: 18V (fully charged: 21V)\u003c\/li\u003e\n\u003cli\u003eContinuous Current: 100A\u003c\/li\u003e\n\u003cli\u003eCell Type: Li-ion \/ LiPo (3.7V per cell)\u003c\/li\u003e\n\u003cli\u003eOvercharge Protection: 4.25V ±0.05V per cell\u003c\/li\u003e\n\u003cli\u003eOver-discharge Protection: 2.5V ±0.1V per cell\u003c\/li\u003e\n\u003cli\u003ePCB Color: White\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eE-bike and electric scooter battery packs\u003c\/li\u003e\n\u003cli\u003ePower tool battery systems\u003c\/li\u003e\n\u003cli\u003eDIY high-current battery packs\u003c\/li\u003e\n\u003cli\u003eEnergy storage and UPS systems\u003c\/li\u003e\n\u003cli\u003eRobotics and heavy-load projects\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lahore Store","offers":[{"title":"Default Title","offer_id":55832922095689,"sku":null,"price":940.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/9090\/2089\/files\/WhatsApp_Image_2026-07-20_at_5.37.12_PM_1.jpg?v=1784562005","url":"https:\/\/lahorestore.pk\/products\/5s-100a-bms-battery-management-system-board-for-18650-li-ion-18v-21v","provider":"Lahore Store","version":"1.0","type":"link"}