The battery charger is one universal input voltage 100V-240V AC to DC 4.2V output constant voltage constant current solution for 1S li-ion batteries, the charger is designed with red and green led indicator lights, when the red indicator light is charging, green indicator light is full charged.

The battery charger is one universal input voltage 100V-240V AC to DC 16.8V output constant voltage constant current solution for 4S li-ion batteries, the charger is designed with red and green led indicator lights, when the red indicator light is charging, green indicator light is full charged.

The battery charger is one universal input voltage 100V-240V AC to DC 21V output constant voltage constant current solution for 5S li-ion batteries, the charger is designed with red and green led indicator lights, when the red indicator light is charging, green indicator light is full charged.

The battery charger is one universal input voltage 100V-240V AC to DC 25.2V output constant voltage constant current solution for 6S li-ion batteries, the charger is designed with red and green led indicator lights, when the red indicator light is charging, green indicator light is full charged.