TNP Xbox 360 Battery Pack Cover Holder Shell Shield Case Replacement Kit (Black) for Xbox 360 Wireless Game Controllers [Xbox 360] Fits perfectly into back of controller Replace your lost or damaged Xbox 360 Wireless controller battery compartment with this great Replacement Easy to install and holds 2 x AA batteries (not included) Durable clip in back fits securely on the standard Xbox game pad , Matches the black controller that comes with the console seemlessly Power your game pad without having to worry about the batteries falling out of the back again