HZQDLN EN-EL4 EN-EL4a EN-EL4e Battery Charger MH-21 for Nikon D3x D3 D2Xs D2X D2Hs D2H F6 MB-D10 100% Brand New, High Quality Battery Charger Worldwide Input Voltage: 110V-240V; great for replacemnt or travel back up Smart charging LED indicator Compatible With: EN-EL4, ENEL4, EN-EL4A, ENEL4A Compatible With P/N:MH-21, MH-22