Please note that our Play and Charge Kit for Xbox is not sold separately and is only intended to be used as a replacement battery pack for customers who purchased our Xbox Controller Charger. It only takes 3 hours to fully charge 2 X 3360mWh(1400mAh) batteries and allows for up to 33 hours of non-stop gaming. 1500 rechargeable times allows you to say goodbye to AA batteries. Built-in over-voltage, over-current, over-charge and short-circuit protection system. Ensures worry-free overnight charging and better protects your Xbox controller. 4 battery covers, two different types of battery covers compatible with most Xbox controllers (Not for Elite 2). The cover labeled ‘1' is suitable for Xbox One/One S/One X/ One Elite controller, while the one labeled ‘2' is only suitable for Xbox Series S/X controller.