Amazon.com : Wasabi Power Battery (2-Pack) and Charger for Nikon EN-EL9 and Nikon D40, D40x, D60, D3000, D5000 : Digital Camera Batteries : Electronics
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