Nikon EN-EL9a Rechargeable Li-ion Battery for Nikon D5000, D3000, D40 and D60 SLR Digital Cameras - Battery & Charger (DigiCam) - ShaShinKi
Amazon.com : EN-EL9a Battery 2-Pack Bundle with Rapid Travel Charger and UltraPro Accessory Kit for Select Nikon Cameras Including D5000, D3000, D60, D40x, and D40 : Electronics
Amazon.com : BIG MIKE'S ELECTRONICS BM Premium 2 Pack of EN-EL9, EN-EL9A Batteries and Battery Charger for Nikon D5000, D3000, D60, D40x & D40 Digital SLR Camera : Electronics