Sony VGN-FS Series - Manual (Page 23)

23 n N
Getting Started
Using the Battery Pack
The battery pack supplied with your computer is not fully charged at the time of purchase.
Installing the Battery Pack
To install the battery pack
1 Turn off the computer and close the LCD screen lid.
2 Slide the lock switch (1) to the UNLOCK position.
3 Slide the battery into the battery compartment until it clicks into place.