The DALY 4S 30A LFP BMS is a compact and reliable Battery Management System designed for 4-series LiFePO₄ (LFP) battery packs. It ensures safe and efficient operation by providing protection against overcharge, over-discharge, overcurrent, short-circuit, and reverse polarity. Ideal for e-bikes, scooters, solar energy storage, UPS systems, and DIY battery packs, it helps extend battery life and maintain optimal performance.