Epson ActionNote 4SLC/33 User Manual page 54

7.
Slide the battery cover back into place making sure the tabs
on the cover fit into the slots on the computer's cover. Press
the cover from the back side until it snaps closed.
Note
When you replace the battery pack, make sure the new
battery is fully charged, otherwise you'll need to
recharge it befpre you can use it.
Turn the computer right side up.
8.
3-4 Powering the Computer