Sony PCG-F630 - Manual (Page 28)

Connecting a Power Source 13
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
Battery Indicator Meaning
1
Indicates the status of the battery pack in the battery bay on the left
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 indicator
Battery pack (supplied)