Nikon Z 8 Reference Manual page 876

3
Insert the batteries in the battery holder.
Insert the batteries in the orientations shown. The battery latch will click into place when the
battery in Chamber A is fully inserted.
4
Insert the battery holder terminals-first.
Using the bottom of the battery holder to depress the battery-holder latch, slide the battery
holder into the chamber terminals-first. Stop when the latch clicks back into place.
5
Close the holder-chamber cover and latch it by pressing and sliding it in the direction
shown.
A
B
876
Optional MB-N12 Power Battery Packs