Panasonic Toughbook CF-27 Series Reference Manual page 21

Battery Power
Cover
2
Latches
5
Put the cover back into place
Attach the cover holding both sides.
2 Slide the latches.
CAUTION
Be sure the battery pack is properly connected to the connec-
tor.
Do not allow the battery connector to touch any portion of the
computer. The computer may not operate properly.
When attaching the cover;
Be careful not to get your fingers caught in the cover.
21