• XH-M603 Charging Control Module 12-24V Storage Lithium Battery Charger Control Switch Protection Board 

1. Set Starting Voltage: in normal display voltage state,press the button will display start charging voltage;long press for 3s the digital tube  will flash;you can start or stop button to set starting up charge voltage value.
2. Set Stop Voltage: in normal display voltage state,press the button will display stopping charge voltage;long press the button for 3s the digital tube will flash;you can start or stop button to set stopping charge voltage value.
3. Factory Reset: in power on state press the start/stop button at the same time,digital tube will display 888;that represents factory reset settings  .

Package Included:

• 1 X XH-M603 Charging Control Module 12-24V Battery