1,rechargeable battery. 2,compatible with any Xbox 360 contoller
3,high-quality/3900 mAh rated
Rechargeable Battery for XBOX360 Enjoy 18 hours of non-stop,
rechargeable powe with Komodo's Xbox 360 Battery Pack! Whether
your're taking out terrorists, exploring brave new worlds, or going
old school on Xbox Live, This high-quality, 3900 mAh rated battery
promiss smooth, uinterrupted game play all day and night.
Compatible with any Xbox 360 contoller. Provides over 18 hours of
game play on a single charge! High-quality/3900 mAh rated "Plug-in"
option lets you play while you charge