Power exchange BMS 20S 45A High-Precision Protection for Energy Storage and Battery Swap Systems. Features high stability, ±10mV voltage accuracy, 45A charging current limit, 20A/30A continuous discharge, and comprehensive protection including overvoltage, overcurrent, and temperature control. Supports MODBUS, 4G, GPS, Bluetooth for smart monitoring in energy storage, EV swap stations, and industrial applications. Ideal for reliable, scalable battery management with advanced safety and precision.More