Nikon MH-22 Dual Quick Charger for the EN-EL4/EN-EL4a with:
Nikon MH-22 Dual Quick Charger for the EN-EL4/EN-EL4a
The Nikon Dual Quick Charger MH-22 recharges two EN-EL4 / EN-EL4a li-ion batteries at the same time. The MH-22 is equipped with a battery calibration feature and charge lamp that glows, blinks or turns off according to the battery charge state. The charging time for a fully discharged EN-EL4/EN-EL4a is approximately 100 mins.
D2H, D2Hs, D2X, D2Xs, D3, D3s, D3x
(Also fits the D300 & D700 with MB-D10 Multi-Power Pack w/ BL-3 Battery Cover)