Connecting a Power Source
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✍To determine the amount of time the battery lasts, see “Displaying Battery Information” in the online manual Customizing Your Notebook Computer.
When the battery is running out of power, both the battery indicator light and power indicator light blink.
When the computer is directly connected to AC power and a battery pack is in the battery bay, it uses power from the AC outlet.
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 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 “Using Power Saving Modes” on page 44.
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.
For some software applications and some peripheral devices, your computer 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.