Features 1、AUTOMATICALLY POWER OFF AFTER SETTING: This module can realize battery charge and discharge control, automatically power off after setting 2、SET CHARGING AND DISCHARGING TIME: The charging and discharging time can be set, power supply voltage is DC6-40V, voltage detection range is DC0-60V, suitable for various batteries below 60V, and the voltage test error is ±0.1V 3、SERIAL PORT COMMUNICATION FUNCTION: With serial port communication function, the working status of the relay can be monitored in real time through the serial port 4、ADDITIONAL SIGNAL OUTPUT: There is an additional signal output, when the relay conduction condition is met, the output is high, and other devices can be controlled 5、ONE KEY EMERGENCY STOP FUNCTION: There is one key emergency stop function (STOP key), with reverse connection protection, reverse connection does not burn Specification Item Type: Battery Charge Discharge Module Charge And Discharge Time (OP) Range: 0-999 minutes. Operating Mode: Package List 1 x Battery Charge Discharge Module