Lithium-Ion (Li-Ion). 4220 mAh 65 Wh. 15.4 V. Brand compatibility: Razer. Black. Number of batteries included: 1 pc(s). Features. Brand compatibility. Razer. Product colour. Black. Battery voltage. 15.4 V. Number of battery cells. 4. Battery capacity. 4220 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Quantity per pack. 1 pc(s). Number of batteries included. 1 pc(s)