Antoble EN-EL4 EN-EL4a EN-EL4e Battery Charger MH-21 MH-22 Replacement for Nikon D3x D3 D2Xs D2X D2Hs D2H F6 MB-D10 Camera Antoble products are made with the highest quality materials tested by manufacturer to match and/or exceed specifications of OEM products. 100% Brand New, High Quality Battery Charger (non-OEM) Worldwide Input Voltage: 110V-240V; great for replacemnt or travel back up Foldable flat pin for easy storage Smart charging LED indicator