Lithium-Ion (Li-Ion). 4580 mAh. 11.4 V. Number of batteries included: 1 pc(s). Origin Storage BAT-DELL-5420/3-51W industrial rechargeable battery. Features. Battery voltage. 11.4 V. Battery capacity. 4580 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Number of batteries included. 1 pc(s). leaflet. Origin Eco. Origin Anti-Blue Privacy Filters. Privacy video. Origin Eco. Origin Promo