Feature:1. Stable and Safe Charging: Built in over voltage, short circuit, and over current protection systems to avoid problems such as overheating and overcharging, ensuring safe charging at night.2. Long Cable: Longer charging and playback cable, convenient to charge the battery from the USB port of the console, reducing the short line limit.3. Extensive Compatibility: With 2 types of battery covers, compatible with the latest and previous for Xbox controllers, including for Xbox Series X, for Xbox Series S, etc, a good replacement kit.4. Convenient: Direct charged batteries can be charged directly through the handle charging base and charging station without separating them from the handle.5. Charge While Playing: Just plug the provided micro USB cable into the battery pack in the controller, you can continue the game, or you can charge the battery separately.Specification:Item Type: Handle BatteryMaterial: ABSColor: BlackFunction: Backup BatteryScope of Application: for XBOX ONESupporting Battery Type: Polymer Lithium BatteryBattery Capacity: 800mAh (Included)Number of Batteries: 2pcsInput Voltage: 5VOutput Voltage: 2.8V.Package List:2 x Battery2 x Charging Cable1 x Manual