Sony VGN-B100P - Manual (Page 39)

Removing a battery
If you are not using the computer for an extended period of time, remove the battery from the computer to avoid damaging
the battery.
To remove a battery
1. Make sure the computer is turned off.
2. Turn the computer over, and slide the UNLOCK/LOCK latch on the bottom of the computer to the UNLOCK
position.
3. Slide and hold the RELEASE latch while you pull the battery away from the computer.
Rem ov ing a Battery
Page 39