Venom Twin Rechargeable Battery Pack Black XBOXONE

Recharge two of your Xbox 360 Wireless Controllers while you play with the supplied 2 meter USB Charge Cable. The cable also features a 1 meter split allowing both you and a friend enough room to play. Each Battery Pack provides up to 18 hours of Gameplay on a full charge and takes approx 2.5 hours to be fully charged. The Batteries will also charge while the Xbox 360 console is in Standby mode. Batteries can be used with the Venom Twin Docking Station for Xbox 360.
Product Description
Box contains:

2 x Xbox 360 rechargeable battery packs
1 x 2 meter USB Charge cable.
Instructions
Recharge two of your Xbox 360 Wireless controllers while you play with the supplied 2 meter USB Charge cable, the cable also features a clever 1 meter split allowing you and a friend enough room to play, Each battery pack providing up to 18 hours of gameplay on a full charge. Will also charge on standby mode.

2.5 hours charge time
18 hours gameplay
Play and Charge simultaneously
Will also charge in standby mode