m performance mode (see "Configuring Power Management Settings" in your User’s Guide). NOTE: It is recommended that you connect your computer to an electrical outlet when writing to a CD or DVD. You can check the battery charge before you insert the battery into the computer (see "Checking the Battery Charge" on page14). You can also set power management options to alert you when the battery charge is low (see "Configuring Power Management Settings" in your User’s Guide). 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 lithium-ion 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 lithium-ion battery. See "Battery Disposal" in the Product Information Guide.14Quick Reference 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 health gauge, and the low-battery warning provide information on the battery charge. Dell™ QuickSet Battery Meter If Dell QuickSet is installed, press <Fn><F3> to display the QuickSet Battery Meter. The Battery Meter displ...