Features: _x000D_ Mainly used to detect the voltage and current of each battery in the series battery pack, and to control the charging and discharging process. _x000D_ The voltage of each battery in the battery pack is between the overcharge detection voltage and the overdischarge detection voltage. _x000D_ 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. _x000D_ Multiple protection functions such as over-discharge protection, over-charge protection, over-current protection, and short-circuit protection. _x000D_ Suitable for large electric vehicles such as bus, electric car, tourist car, hybrid car, etc. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Single Overcharge Protection Voltage: 3.75V _x000D_ Single Overdischarge Protection Voltage: 2.0V _x000D_ Protection Current Consumption: 30UA _x000D_ Short circuit Protection Current: 500A _x000D_ Overcurrent Protection: 200A _x000D_ Short Circuit Protection Time: 500MS _x000D_ Continuous Working Current; 50A _x000D_ Single Balance Voltage: 3.65V _x000D_ Single Balance Current: 55MA _x000D_ Dimension: 54x80x4mm / 2.13x3.15x0.16in _x000D_ _x000D_ Package List: _x000D_ 1 x Battery Protection Board _x000D_ 1 x Cable