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Using Your Notebook Computer
Connecting a Power Source
Sony Notebook Computer User Guide
22
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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.
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.
When the computer is directly connected to AC power and has a battery pack inserted in the battery bay, it
uses power from the AC outlet.