Cables Unlimited GAM3600 Hardcore Battery Pack for MS Xbox 360

Take your gaming experience to the next level with Cables Unlimited Hardcore Series Battery Pack, that offers a quick and simple way to charge your Microsoft XBOX 360 controller while using another. Enjoy the thrill of continuous gaming pleasure without the hassle of dealing with disposable batteries, or stopping to charge your controller. Imagine the freedom of uninterrupted gaming fun.  Battery-Nickel metal hydride-1800 mAh