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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 battery. See "Battery Disposal" in the Product Information Guide.
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 60°C (140°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 Dell QuickSet Battery Meter, the Microsoft Windows Power Meter window and icon, the battery charge gauge, and the
Dell™ QuickSet Battery Meter
If Dell QuickSet is installed, press <Fn><F3> to display the QuickSet Battery Meter.
The Battery Meter window displays status, charge level, and charge completion time for the battery in your computer.
The following icons appear in the Battery Meter window:
The computer is running on battery power.
The computer is connected to AC power and the battery is charging.
The computer is connected to AC power and the battery is fully charged.
For more information about QuickSet, 
icon in the taskbar, and click Help.
Microsoft® Windows® Power Meter
The Windows Power Meter indicates the remaining battery charge. To check the Power Meter,
If the computer is connected to an electrical outlet, a 
icon appears.
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Using a Battery
