Features: 2x Pack of 30 Hours Playtime Each - The Xbox rechargeable battery has a high capacity of 2650mAh that lasts up to 30 hours playtime after a full charge. Super fast charging time of just 2.5 hours, rechargeable for more than 2000 cycles. Compared with disposable AA batteries, this Xbox controller battery pack can save more money and make a great contribution to the environment. 2 packs of rechargeable batteries make you available to use the 2nd battery as a backup. Gives you LONGEST PLAYING TIME. 2.5Hour Quick Charging Speed to full max power performance and the charger kit can support 2-battery charging simultaneously. This rechargeable battery box has LED indicator lights. The indicator light is red when charging, it will turn green when the battery is fully charged. You can clearly check each battery charging status. Safe & Reliable - Gives you an Overheated/ Short-Circuit/Over-charged/Over-Current protection function, ensuring safe charging when you leave your controller overnight. Convenient to Use with LED display and Portable design, it can be placed easily anywhere with its USB cable and charger,2 rechargeable batteries with charger always provide sufficient power for your Xbox gaming playing time need. Wide Compatible For Xbox Series X|S/Xbox One/Xbox One S/Xbox One X/Xbox One Elite controller (NOTE: NOT COMPATIBLE WITH XBOX ELITE2 CONTROLLER)