fourstarr deals 2X 2600mAh Replacement Spare Batteries + USB Dock Wall Charger for Samsung Galaxy S4 GT-i9500, GT-i9505, SGH-M919, SCH-i545, SGH-i337, SPH-L720, B600BC Tested under strict quality control standards. CE and ROHS certified 2600mAh battery allows you to store power necessary to keep your device charged throughout the day Built-in IC chip prevents overcharging. Guaranteed to fit your phone Package contents: 1 USB Dock Charger + 2x S4 batteries