Sony PCG-F690 Manual

Page of 121
VAIO Notebook User Guide
52
3
Attach the weight saver to the computer to stabilize the battery pack. There 
is a RELEASE lever on the bottom of the weight saver. Slide the lever 
toward the front of the computer to lock the weight saver. See also “Using 
the Weight Saver” on page 54.
To charge the second battery pack
Keep the battery pack in the computer while it is connected to AC power. The 
battery indicator flashes while the battery is charging. See also “To charge the 
battery pack” on page 25 
for more information.
Using weight saver for second battery cover
Charging the second battery
To determine the amount of time the battery lasts, see “Displaying Battery 
Information”  in
 the online manual “Customizing Your VAIO® Notebook” .
Battery pack
Weight saver
Second battery pack
(optional)
Battery indicators
Battery pack (supplied)