Tmvel V-DUS4 Dual Desktop Charger Cradle for Samsung Galaxy S4 S IV i9500 i9505 LTE - Support Charging Spare Battery Data HotSync and battery charging on your desk. 2nd Battery Charging. Case Compatible design. INPUT: DC 5V/1000mA - USB 5V/500mA. OUTPUT: USB: DC 5V/1000mA - USB 5V/500mA What's include: 1 x Dual Cradle charger for Samsung Galaxy S4. 1 x Micro USB cable. (Note: the phone and battery are not included.)