Origin Storage 451-BCWY, 4145 mAh, 63 Wh, Lithium-Ion (Li-Ion), 15.2 V, Black, 1 pc(s) Origin Storage 451-BCWY. Number of batteries included: 1 pc(s). Battery capacity: 4145 mAh, Battery capacity: 63 Wh, Battery technology: Lithium-Ion (Li-Ion), Battery voltage: 15.2 V, Product color: Black