Sony PCG-F520 User Manual
Connecting a Power Source
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 drive 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)