Sony PCG-FX390P - Manual (Page 33)

Using a Second Battery Pack
33
Using a Second Battery Pack
You can purchase a second rechargeable battery pack. With two battery packs,
you can extend the time that you use your notebook with battery power. When
using two battery packs, the battery pack you insert first charges first. The second
battery pack you insert charges when the first battery pack is 85 percent full. You
can monitor which battery pack is charging by observing the battery indicators.
To insert a second battery pack
1 If another device is in the multipurpose bay, remove the device.
2 Insert the battery pack into the multipurpose bay.
3 Attach the weight saver to the notebook to stabilize the battery pack.
4 Locate the release lever on the bottom of the weight saver.
✍
If the battery is being used, the battery 2 indicator turns on.
Second battery in multipurpose bay
Battery pack
Multipurpose bay
Label side facing down