2-Power Digital Camera Battery 7.4v 1000mAh, 1000 mAh, 7.4 V, Lithium-Ion (Li-Ion) 2-Power Digital Camera Battery 7.4v 1000mAh. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 1000 mAh, Purpose: Camera. Width: 36 mm, Depth: 48 mm, Height: 17 mm