Lithium-Ion (Li-Ion). 3420 mAh. 7.4 V. Number of batteries included: 1 pc(s). Origin Storage DELL BATTERY LAT 7212 2-CELL 26WHR OEM: FH8RW industrial rechargeable battery. Features. Battery voltage. 7.4 V. Battery capacity. 3420 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Number of batteries included. 1 pc(s). leaflet. Origin Eco. Origin Promo