CTA Digital DB-ENEL3E EN-EL3E Rechargeable Lithium-Ion Battery (1600mAh, 7.4V) Replacement for Nikon EN-EL3E Battery Replaces The Nikon En-El3E Battery 1600mAh, 7.4V Retains full capacity, free from memory effect Lithium-ion for maximum battery life power 3 Year Warranty