1Mainly used to detect the voltage and current of each battery in the series battery pack, and to control the charging and discharging process. 2The voltage of each battery in the battery pack is between the overcharge detection voltage and the overdischarge detection voltage. 3When there is no short circuit in the output, the MOS tube is turned on, P+ and P- output battery pack voltage, allowing the battery pack to charge and discharge. 4Multiple protection functions such as over-discharge protection, over-charge protection, over-current protection, and short-circuit protection. 5Suitable for large electric vehicles such as bus, electric car, tourist car, hybrid car, etc.Features: Mainly used to detect the voltage and current of each battery in the series battery pack, and to control the charging and discharging process. The voltage of each battery in the battery pack is between the overcharge detection voltage and the overdischarge detection voltage. When there is no short circuit in the output, the MOS tube is turned on, P+ and P- output battery pack voltage, allowing the battery pack to charge and discharge. Multiple protection functions such as over-discharge protection, over-charge protection, over-current protection, and short-circuit protection. Suitable for large electric vehicles such as bus, electric car, tourist car, hybrid car, etc. Specification: Model: TK4S400A Single Overcharge Protection Voltage: 3.75V0.05V Single Overdischarge Protection Voltage: 2.0V0.05V Protection Power Consumption Current: 30UA Short circuit Protection Current: 600A Overcurrent Protection: 450A Short Circuit Protection Time: 500MS Continuous Working Current: 80A Single Balance Voltage: 3.65V Single Balance Current: 55MA Product Size