Brand new and high quality battery travel charger. It is specially designed for your travel charging use. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Automatic easy to use charger designed to quickly, simply, and safely charger your camera battery. It contains protection circuits to prevent overcharging when you are not in. Chargers are 100/240 voltage for worldwide capabilities. 100% original manufacturer fits for 18650 series batteries. Input voltage: DC100~240V Input frequency: 50~60 HZ, Max Input current: 500mA Output voltage: DC 4.2V Output currency: 1A