Ni-MH 4800mAh Rechargeable Battery Pack + USB Charging Charger Cable For Microsoft Xbox360 Controller (White) 100% new !! Compatible with XBOX 360 wireless controller 4800mAh White rechargeable battery for Xbox 360 controller Extended your playing time, no worry on battery issue of wireless controller Plug the charger into the AC adaptor (5V output) with USB socket or the computer or the XBOX 360 console The indication light will be turn on, which means that the power is put through 4800mAh Capacity