Zacro USB Wall Travel Spare Battery Charger for Samsung Galaxy S5 SM-G900 i9600 (Battery Not Included) Specialized Battery wall charger, the charging pins are fixed and only fit for Samsung Galaxy S5 battery The battery charger rapidly charges your spare Samsung S5 battery USB Port output and battery charging at the same time Talk and charging at the same time, no influence to signal Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock Charger is designed with a foldable A/C plug that charges your cellphone battery anywhere. Input: AC 100 - 240V/50 - 60Hz/200mA; Output: DC4.35V -600mA(Battery) /DC5.2V-1000mA(USB)