Lithium-Ion (Li-Ion). 2200 mAh 40 Wh. 14.8 V. Black. Number of batteries included: 1 pc(s). Dell 4C Battery Latitude 34/3560 40Whr OEM: 78V9D 991XP. Features. Product colour. Black. Battery voltage. 14.8 V. Number of battery cells. 4. Battery capacity. 2200 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Number of batteries included. 1 pc(s). leafletOrigin Promo