Sony VAIO PCG-SR1K User Manual page 20

Using Your Notebook Computer
Connecting a Power Source
✍
You can remove the battery pack
without turning off the computer
when it is connected to the mains
voltage (AC adapter).
Before you remove/insert the
battery pack, close the cover.
To remove the battery pack
1
Turn off the computer and close the cover.
2
Slide the lock lever to the UNLOCK position.
3
Slide the release lever to the UNLOCK position and slide the battery away from
the computer.
Battery release lever
n N
Battery lock lever
20