This product is compatible for charge with 2 pieces XBOX1 controller with battery.With charge LED、 can effectively shows the charge status.With singlechip to control the charge、 make the charge stable.Charge time is about 2 hours.The battery can be directly charged through connect the provided USB cable from PC's or XBOX1 console'sUSB port to battery (mini USB port)input voltage DC 5Vbattery capacity 300 mAhPackage Includes:1 x Dual charger for X-BOX ONE2 x Battery Pack1 x Mini Usb Charge Cable