This LiPo battery USB charger is specifically designed for 7.4V LiPo batteries and comes equipped with an SM-4 PIN PLUG. Before use, please ensure that the voltage (7.4V) is compatible. The input is DC 5V 2A, output is 7.4V 1000mAh, connector is USB to SM-4 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.