Sony VAIO PCG-X18 User Manual page 24

Using Your Notebook Computer 24
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Connecting a Power Source


For some software applications and some peripheral devices, your computer may not enter system
hibernation mode when 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.
When the battery is running out of power, both the battery and power indicators blink.
To determine the time the battery lasts, please refer to "Displaying Battery information" in your Software
Guide.
See "Using a second battery pack" for information on installing and charging a battery pack in the multi-
purpose bay.
Keep the battery pack in the computer while it is directly connected to AC power. The battery pack
continues to charge while you are using the computer.
If the battery level falls to below 10%, you should either attach the AC adapter to recharge the battery or
shut down your computer and insert a fully charged battery.
You can extend battery life by changing the power management modes in the PowerPanel utility. See your
Software guide, in "Controlling Power Management".
The battery pack supplied with your computer is a lithium ion battery and can be recharged at any time.
Charging a partially discharged battery does not affect battery life.
The battery indicator light is on while you use the battery pack as a power source. When battery life is
nearly depleted, the battery indicator starts flashing.