Sony VAIO PCG-X18 User Manual page 23

Using Your Notebook Computer
Connecting a Power Source
Battery Indicator Meaning
Indicates the status of the battery pack in the battery bay
1
on the left side of the computer.
Indicates the status of the battery pack in the multi-
2
purpose 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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