Ah for X-1&X-Series X|S 2x2600m - Ah for X-1&X-Series X|S 4x1200m - Ah for X-1&X-Series X|S Number of Battery 4 2 4 Battery Capacity 2550m - Ah 2600m - Ah 1200mAh Overcharge Protection _ _ _ Charging Port USB & USB C USB USB C Product Features [For Rechargeable Xbox One Controller Battery Pack] Portable design for xbox one battery charger station comes with four 1200mAh rechargeable batteries for xbox one controller, it can be placed easily anywhere with its USB cable and charger,4 rechargeable batteries with charger always provide sufficient power for your Xbox One/ Xbox One S / Xbox One X/ Xbox One Elite controllers, these rechargeable battery packs is also compatible with Xbox Series X|S controllers [Long Battery Life of Xbox One Rechargeable Battery Pack] Battery pack for xbox one controller supports 4pcs xbox one controller batteries to be charged at the same time or charge individually, it takes 2.5-3 hours to fully charge can provide 10 hours playing time, so you can keep your controllers always fully-charged and ready to game [LED Indicates Charge Status] There is 4 individual indicators of the xbox series x controller battery pack, charge station for xbox one controller battery packs changes colors between Red (Charging) and Green (Ready), making it easy to tell which packs are good to go when you need to swap [Safe Charging for Xbox One Battery Charger] With over-charged/ Over-Current/ Over-Heated/ Short-Circuit protection to extend the battery life and make battery to be recharged up to 500 times. Ensure safety for over-night charging your xbox one and xbox series x rechargeable battery packs [What You Get and Service Support] : 4 *1200 m - Ah rechargeable batteries for Xbox One Battery Pack, 1 * Charger Dock for Xbox One Controller Battery Charger Kit, 1 * User Manual.