USB Rechargeable Battery Pack for Xbox 360 wireless controller charger with USB Cable Wireless controller charger for Xbox 360 Plug the charger into the AC adaptor (5V output) with USB socket or the computer or the XBOX 360 The indication light will be turn on, which means that the power is put through Rechargeable Cable: USB to DC 2.35* 0.7 DC cable with direct plug Battery pack: output voltage = DC 2.4V - Capacity: 1800mAH