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
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Amazon.com: Glorich EH-5 Plus EP-5 Replacement AC Power Adapter/Charger kit for Nikon D40 D40X D60 D3000 D5000 Digital SLR Cameras : Electronics
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Amazon.com: DSTE Replacement for Pro IR Remote Vertical Battery Grip + 2X EN-EL9 Compatible Nikon D40 D40X D60 D3000 D5000 SLR Digital Camera : Electronics
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HQIX for Nikon D40 D40X D60 D5000 D3000 Camera EN-EL9 EL9A Dual Charger Battery - AliExpress