The MH-21 can be used to recharge and calibrate EN-EL4/EN-EL4a batteries.

Quick Charger battery charger, for recharging and calibrating EN-EL4/EN-EL4a batteries.


It can fully recharge an exhausted EN-EL4/EN-EL4a battery in about 100 minutes.

LCD, Video and Photo Gallery images are for illustrative purposes only.