Sony PCG-FX290 Manual

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VAIO Notebook User Guide
28
Use only the AC adapter supplied. Do not use any other AC adapter.
Using Battery Power
You can use one or two battery packs as a source of power. The second battery 
pack inserts into the multipurpose bay on the right side of the computer. (See 
“Using a Second Battery Pack” ) Additional battery packs are available as a 
separate option.
The battery pack that comes with your computer is not fully charged at the time 
of purchase. Follow the steps below to insert and charge the battery pack.
To insert the battery pack
1
To open the battery bay, press cover down.
Cover swings out but does not detach.
Battery bay