This 12.6V charger only compatible for the size of input port is DC 5.5*2.1 mm. Please check the size of your device charge port before you use it. This 12.6V charger can't charge for the hoverboard.
During charging, indicator lamp appears Red, when fully charged, it appears Green. Once fully charged, please pull it out in time.
It's used to charge the lithium ion battery, don't use it on the LiFePO4 battery.
Don't always connect the power supply if you don't use the charger.