Sony Vaio PCG-FX301 User Manual page 21

Using your notebook
Charging the battery pack
To charge the battery pack, proceed as follows:
1 Connect the AC adapter to the computer.
2 Insert the battery pack.
The computer automatically charges the battery (1) (the battery indicator (2) light flashes in a double
blink pattern as the battery charges). When the battery is 85% full, the battery indicator light turns off.
This process takes approximately one hour for the PCG-FX301. To charge the battery completely,
continue charging for an additional hour.
There are two battery indicator lights on the computer:
1
2
battery indicator light status
on
single blink
Indicates the status of the battery pack in the battery bay on the left side of the computer.
Indicates the status of the battery pack in the multi-purpose bay on the right side of the computer.
meaning
The computer is using battery power.
The battery is running out of power.
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