Lithium-Ion (Li-Ion). 2387 mAh 18 Wh. 7.5 V. Brand compatibility: Microsoft. Silver. Number of batteries included: 1 pc(s). Features. Brand compatibility. Microsoft. Product colour. Silver. Battery voltage. 7.5 V. Number of battery cells. 2. Battery capacity. 2387 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Quantity per pack. 1 pc(s). Number of batteries included. 1 pc(s)