Product Description: Size selection: 1PCS/2PCS Battery Specification: Output Voltage: 0V Max Charging Voltage: DC 5V Battery Capacity: 1200mAh Protection: Over-Charging, Over-Discharging, Over-Heating and Short-Circuiting. Compatible With: Xbox one, Xbox one s, Xbox one x controller Note: In the game, there will be a pop-up indication when battery is low. The TV screen will indicate the charging connection and remaining battery capacity. Features: Universal compatibility: This Xbox One battery is compatible with Xbox One S / Xbox One X / Xbox One Elite / Xbox One Controller. LED display: USB cable built-in LED display, which indicates the charge status. Red light for charging, green light when fully charged. Rechargeable and durable: This 1200mAh Ni-MH Xbox One controller battery can be charged about 2000 times, environmentally friendly and cost-saving. Faster charger: Charges under 4 hours, providing dozens of hours of gameplay. Ideal battery that won't damage your Xbox controller. Over-Charging, Over-Discharging, Over-Heating and Short-Circuiting Protection: Battery is equipped with protection mechanisms to ensure safe usage.