Lithium-Ion (Li-Ion). 4740 mAh 54 Wh. 11.4 V. Number of batteries included: 1 pc(s). Features. Battery voltage. 11.4 V. Number of battery cells. 3. Battery capacity. 4740 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Number of batteries included. 1 pc(s)