Sony PCG-F560 - Manual (Page 58)

VAIO® Notebook User Guide "$
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 computer with battery
power. When using two battery packs, the battery pack you insert first
charges first. The battery pack you insert second charges when the first
battery pack is 85 percent full. You can monitor which battery pack is
charging by observing the battery indicator lights.
To insert a second battery pack
1
If another device is in the multipurpose drive bay, remove the device.
2
Insert the battery pack into the multipurpose drive bay.
If the battery is being used, the battery 2 indicator light turns on.
3
Attach the weight saver to the computer to stabilize the battery pack.
There is a RELEASE lever on the bottom of the weight saver. Slide the
lever toward the front of the computer to lock the weight saver. See
also “Using the Weight Saver” on page 49.
Battery pack
Multipurpose drive bay
Label side facing down
Battery pack
Weight saver