The DALY 4S 80A LFP BMS is a high-capacity Battery Management System designed for 4-series LiFePO₄ (LFP) battery packs. It provides comprehensive protection against overcharge, over-discharge, overcurrent, short-circuit, and reverse polarity, ensuring safe and reliable operation. Ideal for electric bikes, scooters, solar energy storage, UPS systems, and DIY battery packs, it helps maintain battery health and extend cycle life.