Xbox One Dual Controller Charger, Megadream USB Fast Charging Dock Station with 2*300mAh Rechargeable Battery Xbox One controller battery charger station is safety guaranteed, highly protective security with over-charge protection and secure circuitry, stops charging automatically when the battery is fully charged. Drop and charge: Simply place on base to charge, no fiddling with micro USB port Includes 2 rechargeable battery packs (300mAh capacity), charge time about 2hours Versatile batteries can also be charged with any micro USB cable The battery can be directly charged through connect the provided USB cable from PC's or Xbox One, Xbox One S, Xbox One X console's