Sony VAIO PCG-F807K User Manual page 22

Using Your Notebook Computer
Connecting a Power Source
Battery Indicator Meaning
Indicates the status of the battery pack in the battery bay on
1
the left side of the computer.
Indicates the status of the battery pack in the multi-purpose
2
bay on the right side of the computer.
Battery Indicator Light Status
On
Single blink
Double blink
Off
Meaning
The computer is using battery power.
The battery is running out of power.
The battery is charging.
The computer is using AC power.
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