{"product_id":"3s-12-6v-40a-li-ion-battery-bms-protection-board-with-balance-hw-288","title":"3S 12.6V 40A Li-ion Battery BMS Protection Board with Balance (HW-288)","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eHW-288 3S 40A Li-ion BMS\u003c\/strong\u003e is a high-performance Battery Management System designed for \u003cstrong\u003e3-series (11.1V \/ 12.6V) Lithium-ion or Li-Po\u003c\/strong\u003e battery packs. This specific model is the \"Balance Version,\" which ensures that individual cell voltages are equalized during the charging cycle to maximize battery lifespan and capacity. Supporting a massive \u003cstrong\u003e40A continuous discharge current\u003c\/strong\u003e, the HW-288 is engineered to handle the high-surge demands of \u003cstrong\u003ecordless drills, RC vehicles, and motorized robotics\u003c\/strong\u003e. It provides comprehensive protection against overcharge, over-discharge, and short circuits, ensuring your high-capacity cells remain safe and efficient.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePeople also search for:\u003c\/strong\u003e hw-288 bms, 3s 40a bms balance, 12.6v lithium protection board, 3s bms for drill, hw288 wiring diagram, 3 series 40a li-ion bms, balance charging module 3s.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HW-288 (Enhanced Balance Version)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e 3.7V Nominal \/ 4.2V Full Charge Li-ion or Li-Po\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3 Series (3S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 11.1V \/ 12.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current:\u003c\/strong\u003e 40A (Max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak Instantaneous Current:\u003c\/strong\u003e 80A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Voltage:\u003c\/strong\u003e 12.6V - 13.0V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalance Current:\u003c\/strong\u003e 100mA (Internal equalization)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 42mm x 60mm x 3.4mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Tool Upgrades:\u003c\/strong\u003e Converting Ni-Cd drills to high-performance Lithium-ion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC Vehicles:\u003c\/strong\u003e Managing high-current packs for RC cars and boats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics:\u003c\/strong\u003e Powering high-torque DC motors and actuators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Power Banks:\u003c\/strong\u003e Building 12V DC field power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPS Systems:\u003c\/strong\u003e Compact 12V backup power for networking equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eUsage Notes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Sequence:\u003c\/strong\u003e Always follow the 0V (B-), 4.2V (B1), 8.4V (B2), and 12.6V (B+) sequence strictly to prevent damage to the sensing ICs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart Current:\u003c\/strong\u003e For high-startup-current applications like drills, ensure you are using \"High-Rate\" discharge cells (e.g., 10C or 20C rated).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e When pulling more than 30A continuously, ensure the BMS is mounted with adequate airflow or an additional heat sink to maintain stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 3S 12.6V 40A Li-ion Battery BMS Module with Balance (HW-288)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOMSON ELECTRONICS","offers":[{"title":"Default Title","offer_id":47815633338606,"sku":"BAT-27453","price":119.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2132\/9029\/files\/HW-288_3S_12.6V_40A_Li-ion_Battery_Management_System.webp?v=1774425241","url":"https:\/\/www.tomsonelectronics.com\/products\/3s-12-6v-40a-li-ion-battery-bms-protection-board-with-balance-hw-288","provider":"Tomson Electronics ","version":"1.0","type":"link"}