Charging the Battery
Charge the supplied EN‑EL15c battery in the supplied MH‑25a battery charger before use. Insert the battery and plug the charger in (depending on the country or region, the charger comes with either an AC wall adapter or a power cable).
AC wall adapter: After inserting the AC wall adapter into the charger AC inlet (q), slide the AC wall adapter latch as shown (w) and rotate the adapter 90 ° to fix it in place (e).
Power cable: After connecting the power cable with the plug in the orientation shown, insert the battery and plug the cable in.
An exhausted battery will fully charge in about 2 hours and 35 minutes.
Battery charging (flashes)
Charging complete (steady)
If the CHARGE lamp flashes rapidly (8 times a second):
A battery charging error has occurred: Unplug the charger and remove and reinsert the battery.
The ambient temperature is too hot or too cold: Use the battery charger at temperatures within the designated temperature range (0–40 °C/+32–104 °F).
If the problem persists, unplug the charger and end charging. Bring the battery and charger to a Nikon-authorized service representative.