Canon Battery NB-1LH Li-Ion xV for Digital IXUS, 840 mAh, 3,7 V, Lithium-Ion (Li-Ion) Canon Battery NB-1LH Li-Ion xV for Digital IXUS. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 840 mAh, Battery voltage: 3,7 V. Weight: 29 g