HP EliteDesk 800 G3 TWR Maintenance And Service Manual page 151

b. Slide the replacement battery into position, positive side up. The battery holder automatically
secures the battery in the proper position.
Type 2
a. To release the battery from its holder, squeeze the metal clamp that extends above one edge of
the battery. When the battery pops up, lift it out (1).
b. To insert the new battery, slide one edge of the replacement battery under the lip of the holder
with the positive side up. Push the other edge down until the clamp snaps over the other edge of
the battery (2).
Type 3
a. Pull back on the clip (1) that is holding the battery in place, and remove the battery (2).
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