Tera 2Pcs 2400mAh Rechargeable Replacement Battery Pack for XBOX ONE Controller with Charge Cable Black with Tera Dust Cloth High-quality NI-MH battery for long time use. Make it possible to recharge battery when continuous play. Comes with a charger cable for USB charging. Capacity: 2400mAh. Output voltage: DC 2.4-3V. Suitable for X-BOX ONE wireless controllers. Package includes 2Pcs of battery pack