Top quality product.
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.
Rechargeable Cable: USB to DC 2.35* 0.7 DC cable with direct plug
Battery pack: output voltage = DC 2.4V
Capacity: 1800mAH
Unit Package Weight:100g