Tmvel TMV-DUS4WB Dual Desktop Charger Cradle for Samsung Galaxy S4 S IV i9500 i9505 LTE - Support Charging Spare Battery - Includes Tmvel 2600mAh NFC Li-ion Battery For Samsung Galaxy S4, S4 Active I9295, I9500, I9505, SGH-M919 (T-Mobile), SCH-I545 (Verizon), SGH-I337 (AT&T), SPH-L720 (Sprint), SCH-R970 (U.S. Cellular/MetroPCS), with S Beam 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. and Tmvel battery