YESOO Travel Battery Wall Charger W/ USB Port For Samsung Galaxy S4 SIV i9500 BATTERY NOT INCLUDED INPUT: AC100-240V~50/60Hz 150mA OUTPUT: DC4. 35V , USB OUTPUT: DC5.2V 800mA Charges from a wall outlet directly, Easy and convenient to charge a spare battery Allows charging via USB port (USB to USB cable not included)