2-Pack Battery EN-EL9 EN-EL9a for Nikon D3000, D5000, D40, D60, D40X Camera | eBay
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Amazon.com : Wasabi Power Battery (2-Pack) and Charger for Nikon EN-EL9 and Nikon D40, D40x, D60, D3000, D5000 : Digital Camera Batteries : Electronics
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Kastar 4-Pack EN-EL9 Battery and LTD2 USB Charger Replacement for Nikon D5000 SLR Digital Camera, D40 SLR Digital Camera, D40X SLR Digital Camera, D60 SLR Digital Camera, D3000 SLR Digital Camera -