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 stoping charge voltage;long press the button for 3s the digital tube will flash;you can start or stop button to set stoping 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 DC12V-24V Lithium Battery Charge Control Protection Board /w LED Display
Note: If the connection is not displayed, then you may not receive the battery.
Be sure to connect the battery to work properly. If the motherboard does not monitor the battery, it will not work.