Panasonic CF-18 Series Reference Manual page 41

Battery Power
3
Insert the battery pack.
Slide the battery pack inward until it is firmly in place.
Close the cover, then lock it by sliding the latch to the left.
CAUTION
Do not touch the terminals on the battery pack and the computer.
The battery pack may no longer function properly if the contacts are
dirty or damaged. Also, the computer may not operate properly.
Be sure to insert the battery pack as illustrated.
Confirm that the latch lock is correctly in place. If you carry your
Tab
computer without the latch lock in place, the battery pack may fall
out.
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