Genuine Original Nikon EN-EL9A Battery for Nikon D60 D40 D40X D5000 D3000 MH-23 | eBay
Nikon EN-EL9 Battery by Wasabi Power
Amazon.com : DSTE® 2X EN-EL9 Rechargeable Li-ion Battery for Nikon D40 D40X D60 D3000 D5000 Digital Camera as ENEL9 EN-EL9A : Digital Camera Batteries : Electronics