This product is a comprehensive 4-cell lithium-ion battery management system with protection and recovery functions such as single cell overvoltage/undervoltage, total voltage undervoltage/overvoltage, charge/discharge overcurrent, high temperature, low temperature and short circuit. It can achieve accurate SOC measurement and SOH health status statistics during the charging and discharging process. It can also achieve voltage balance during the charging process.
Real-time acquisition and monitoring of 4-cell voltages for cell overvoltage and undervoltage alarms and protection. The cell voltage detection accuracy is ≤±20mV at -20～70℃, and the PACK voltage detection accuracy is ≤±0.5% at -20～55℃.
Real-time acquisition and monitoring of 2 cell temperatures, 1 environment temperature and 1 power temperature by NTC for high and low temperature alarms and protection. The temperature detection accuracy is ±2℃.
Real-time acquisition and monitoring of battery pack charge and discharge current by current detection resistor connected to the main charge and discharge circuit for charge and discharge current alarms and protection. The current accuracy is ≤±2% below 10A and ≤±1% above 10A at -20～70℃.
It has the function of output short circuit detection and protection.
