Maximalpower NIK EN-EL9 Replacement Battery for  D3X D40 D40X D60 D3000 D5000 Fully Decoded with 3 yr warranty Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty Nikon Digital Battery Replacement