The Rechargeable Controller Pack by JELAVA includes a Charging Dock and four 2800mAh rechargeable battery packs, compatible with Microsoft Xbox Series X, Series S, One, One Elite, and One S/X. Made of rigid plastic in black, this unit is designed for wireless connectivity and features a controller attachment for easy use. With a manufacturer warranty of 1 year, this pack is perfect for gamers looking to keep their controllers powered up and ready for action.