CTA Digital DB-NP400 NP-400 Rechargeable Lithium-Ion Battery (1500mAh, 7.4V) Replacement for Minolta NP-400 Battery Replaces The Minolta Np-400 Battery 1500mAh, 7.4V Retains full capacity, free from memory effect Lithium-ion for maximum battery life power 3 Year Warranty