EN-EL12 Lithium-Ion Battery - Rechargeable Ultra High Capacity (1050 mAh) - replacement for Nikon EN-EL12 Battery Replacement battery for the Nikon ENEL12, Lithium-Ion (Li-ion) 3.7V (1050mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark