Sony PCG-748 - Manual (Page 20)

Using Your Notebook Computer
To remove the battery pack
1 Open che cover of the battery bay.
2
Pull out the battery pack.
3 Close the cover of the battery bay.
^ You may lose data if you remove the battery pack while the computer is on arid not
connected to the AC adapter or if you remove the battery while the computer is in System
Suspend mode.
See" Using a Second Battery Pack" on page 35 for information on installing and charging a
battery pack in the drive bay.
Keep the battery pack in the computer while it is directiy connected to AC power. The
battery pack continues to charge while you are using the computer.
When the remaining battery charge drops to a very low level, the computer automatically
alters System Hibernation mode. This may result in data ioss as the system changes modes.
You can extend battery iife by changing the powa management modes in the PowerPanei
utiiity. See "Using Power Saving Modes" on page 33.
The battery pack suf^iied with your conputer is a iithium ion battery and can be recharged
at any time, Charging a partiaiiy discharged battay does not affect battery iife.
The battery indicata light is on while you use the battery pack as a power source. When
battery life is nearly depleted, the battery indicator starts flashing.
For some software applications and some peripheral ctevices, yourcanputer may not enter
system hibernation mode when the battery life is low. To avoid loss of data when using
battery power, you should save your data frequently and manually activate a power
management mode, such as system suspend or system hibernation^