Sony PCG-838 - Manual (Page 19)

Using Your Notebook Computer 9
Using Battery Power
You can use one or two battery packs as a source of power. The second
battery pack inserts into the drive bay on the right side of the computer.
(See “Using Power Saving Modes” on page 38.) 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
Open the cover of the battery bay.
2
Insert the battery pack into the battery bay on the left side of the
computer.
3
Close the cover of the battery bay.
Battery pack
(supplied)
Label side facing down