Do you have multiple Xbox 360 Wireless Controllers and only one play and charge Kit? No problem. With this rechargeable battery pack you can juice up additional Wireless Controllers with the Play and Charge Kit you already own.This genuine battery pack uses two AA batteries to power the controller and they are easily changed by unclipping the battery pack. You will never have to plug in your USB cable again when you can simply replace the batteries. - Color: Black - Material: Plastic - Replaces your broken or lost battery back cover - Specifically designed for Xbox 360 controller