3s 4s 5s Bms 12v 16.8v 18v 21v 3.7v 100a Li-ion Lmo Ternary Lithium Battery Protection Circuit Board Li-polymer Balance Charging

modname=ckeditor

Product Description This 3S/4S/5S BMS battery protection board is designed for 3.7V li-ion, LMO, ternary and li-polymer batteries, supporting 100A high current operation. It provides reliable overcharge, over-discharge, over-current and short-circuit protection while realizing automatic balance charging to extend battery life and improve safety. Compatible with 12V, 16.8V, 18V and 21V battery systems, the module uses high-quality components and stable balancing circuits to ensure consistent voltage between cells. It supports wide applications in power tools, electric vehicles, energy storage devices, DIY battery packs and industrial equipment. With simple wiring and high stability, this BMS effectively protects your battery pack from damage and ensures safe charging and discharging. Its durable structure and strong heat resistance make it suitable for long-term high-load use.