This battery USB charger is specifically designed for 3.7V batteries and comes equipped with an JST-2PIN PLUG. Before use, please ensure that the voltage (3.7V) is compatible. The input is DC 5V 0.5-2A, output is 3.7V , connector is USB to JST-2 PIN Plug
Universal Compatibility: This lipo battery charger is widely applicable to various equipment batteries, including RC cars, trucks, boats, airplanes, helicopters, gliders, and other remote control toys.
Circuit Protection: battery charging cable has over-voltage, overload, and short-circuit protection functions.
Charging indicator: When charging the red light is on. When the battery is fully charged, Green Light Solid when Fully Charged. Protect your Equipment
Note: If you encounter any product quality problems when purchasing, please feel free to contact us, we will reply you within 24 hours.