The BMS NMC 20S 40A DALY (1001) is a high-quality Battery Management System designed for 20-series (74V nominal) Lithium NMC battery packs. It provides comprehensive protection against overcharge, over-discharge, overcurrent, short-circuit, and temperature fluctuations. With passive cell balancing, it ensures uniform voltage across all cells, extending battery life and enhancing performance. Ideal for e-bikes, electric scooters, solar energy storage, UPS systems, and other high-voltage lithium-ion applications.