Charging The Battery Pack - Sony PCG-K415B User Manual

Charging the battery pack

To charge the battery pack, proceed as follows:
1 Install the battery pack.
2 Connect the AC adapter to the computer.
The computer automatically charges the battery (the battery indicator flashes in a double blink pattern as the battery charges).
Battery indicator 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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Using your VAIO computer