LG G3 Extended Battery, MPJ 6000mAh Li-ion High Capacity Extended Battery for LG G3, D851(T-Mobile), D850(ATT), VS985(Verizon), LS990(Sprint) MPJ battery compatible with LG G3, D851(T-Mobile), D850(AT&T), VS985(Verizon), LS990(Sprint)(Battery Code: BL-53YH) Grade A cells ensure longer battery life (500+ cycles) and high-speed, efficient charging. Built-in IC chip prevents overcharging. Guaranteed to fit your LG G3 cell phone Voltage: 3.80V. Capacity: 6000mAh The original back cover can't be used. The extended battery is compatible with special back cover as the photo shows, which is included in the package Package contents: 1 x extended battery For LG G3, 1 x Black Back Cover