Product information: Xbox 360 Rechargeable Battery Pack - Black (B4U-00002)Do you have multiple Xbox 360 Wireless Controllers and only one Play and Charge Kit? No problem. With Rechargeable Battery Packs, you can juice up additional Wireless Controllers with the Play and Charge Kit you already own.
- Up to 25 hours of play per full battery charge
- High-performance NiMH rechargeable battery cell
- Battery fuel gauge through the Xbox 360 dashboard