•Running the computer in maximum performance mode. See "Configuring Power Management Settings" on page 35 for information about accessing Windows Power Options Properties which you can use to configure power management settings.
You can check the battery charge before you insert the battery into the computer. You can also set power management options to alert you when the battery charge is low.
CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell. The battery is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
CAUTION: Do not dispose of batteries with household waste. When your battery no longer holds a charge, call your local waste disposal or environmental agency for advice on disposing of a
CAUTION: Misuse of the battery may increase the risk of fire or chemical burn. Do not puncture, incinerate, disassemble, or expose the battery to temperatures above 65°C (149°F). Keep the battery away from children. Handle damaged or leaking batteries with extreme care. Damaged batteries may leak and cause personal injury or equipment damage.
Checking the Battery Charge
The Microsoft Windows Power Meter window and icon, the battery charge gauge and health gauge, and the
Microsoft® Windows® Power Meter
The Windows Power Meter indicates the remaining battery charge. To check the Power Meter, 
icon on the taskbar.
If the computer is connected to an electrical outlet, a 
icon appears.
Low-Battery Warning
NOTICE: To avoid losing or corrupting data, save your work immediately after a
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Using a Battery
