Sony PCG-F450 - Manual (Page 21)

Connecting a Power Source
To charge the battery pack
1
Connect the AC adapter to the computer.
2
Insert the battery pack.
The computer automatically charges the battery (the battery indicator
light flashes in a double-blink pattern as the battery charges). When the
battery is 85 percent full, the battery indicator light turns off. This
process takes approximately two hours. To charge the battery
completely, continue charging for an additional hour. See “Displaying
Detailed Battery Information” in the online document Customizing Your
VAIO
®
Notebook Computer for information on checking the battery life.
There are two battery indicator lights on the computer:
Battery Indicator Meaning
1
Indicates the status of the battery pack in the battery bay
on the left side of the computer.
2
Indicates the status of the battery pack in the
multipurpose bay on the right side of the computer.
Battery Indicator
Light Status Meaning
On The computer is using battery power.
Single blink The battery is running out of power.
Double blink The battery is charging.
Off The computer is using AC power.
Battery indicators
Battery pack (supplied)
Secondary battery pack
(not supplied)