Rechargeable Battery Pack Designed for XBOX One Controllers Features: 2800mAh Rechargeable replacement battery pack is specially designed for XBOX ONE controllers. Long time use, high quality rechargeable battery. Possible to recharge battery and continuous play. Comes with a charger cable for USB charging. Specifications: Battery capacity: 2800mAh Output voltage: 2.4V Input voltage: 5V Battery dimensions: 55mm x 33mm Suitable for: For X-BOX ONE wireless controllers Package Includes: 2 x 2800mAh Battery 1 x USB Cable Ideal for: 2800mAh Rechargeable replacement battery pack is specially designed for XBOX ONE controllers.