Sony PCG-F520 User Manual

 Notebook User Guide

Insert the battery pack into the battery bay on the left side of the 

computer.

Close the cover of the battery bay until it clicks.

To charge the battery pack

Connect the AC adapter to the computer. 

Insert the battery pack.

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. See “Displaying Detailed Battery 
Information” in the online document Customizing Your VAIO® Notebook for 
information on checking the battery life.

When attaching your computer to the port replicator, do not attempt to insert or 

remove the battery pack. Lifting and turning the computer with a port replicator 

attached could cause a temporary loss of power.