Dell PP12S manual Conserving Battery Power, Low-Battery Warning

Models: PP12S

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Check the Battery Health

NOTE: You can check battery health in one of two ways: by using the charge gauge on the battery as described below and by using the Battery Meter in Dell QuickSet. For information about QuickSet, right-click the icon in the Windows Notification area, and click Help.

To check the battery health using the charge gauge, press and hold the status button on the battery charge gauge for at least 3 seconds. If no lights appear, the battery is in good condition, and more than 80 percent of its original charge capacity remains. Each light represents incremental degradation. If five lights appear, less than 60 percent of the charge capacity remains, and you should consider replacing the battery.

Low-Battery Warning

NOTICE: To avoid losing or corrupting data, save your work immediately after a low-battery warning. Then connect the Tablet-PC to an electrical outlet, or dock the Tablet-PC onto an optional battery slice. If the battery runs completely out of power, hibernate mode begins automatically.

A pop-up window warns you when the battery charge is approximately 90 percent depleted. If both the main battery and the battery slice are installed, the low-battery warning means that the combined charge of both batteries is approximately 90 percent depleted. The Tablet-PC enters hibernate mode when the battery charge is at a critically low level.

You can change the settings for the battery alarms in QuickSet or the Power Options Properties window. See "Configuring Power Management Settings" on page 79 for information about accessing QuickSet or the Power Options Properties window.

Conserving Battery Power

Perform the following actions to conserve battery power:

Connect the Tablet-PC to an electrical outlet when possible because battery life is largely determined by the number of times the battery is used and recharged.

Place the Tablet-PC in sleep mode or hibernate mode when you leave the Tablet-PC unattended for long periods of time. See "Power Management Modes" on page 77.

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Setting Up and Using Your Tablet-PC

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Dell PP12S manual Conserving Battery Power, Low-Battery Warning