Nikon 1 aw1 Reference Manual page 41

Insert the battery and a memory card.
3
Undo the battery-chamber/memory card slot cover security
lock (q) and unlatch (w) and slowly open the cover (e).
After checking that they are in the correct orientation, insert
the battery and memory card as follows: using the battery to
keep the orange battery latch pressed to one side, slide the
battery in until it latches (r), and then slide in the memory
s
card until it clicks into place (t). Close (y), latch (u), and
lock (i) the cover, and confirm that the latch and security
lock are in the positions shown (A).
Rear
16