Kastar 2 Packs EN-EL9 Compatible Battery Replacement for Nikon EN-EL9, EN-EL9a, EN-EL9e Batteries and Nikon D40, D40x, D60, D5000, D3000 Cameras, Nikon MH-23 Charger Kastar Battery Replacement for Nikon EN-EL9 Battery Battery Type: Lithium-Ion; Battery Voltage: 7.4V Battery High Capacity: 2000mAh Package Includes: 2 Packs Battery Compatible with: Nikon EN-EL9 EN-EL9a EN-EL9e Battery, MH-23 Charger and Nikon D40 D40X D60 D3000 D5000 SLR Cameras