40 Using a Battery• Running the computer in maximum performance mode. See "ConfiguringPower Management Settings" on page 44 for information about accessingWindows Power Options Properties or Dell QuickSet, which you can useto configure power management settings.You can check the battery charge before you insert the battery into thecomputer. You can also set power management options to alert you when thebattery charge is low.CAUTION: Using an incompatible battery may increase the risk of fire orexplosion. Replace the battery only with a compatible battery purchased fromDell. The battery is designed to work with your Dell computer. Do not use a batteryfrom other computers with your computer.CAUTION: Do not dispose of batteries with household waste. When your batteryno longer holds a charge, call your local waste disposal or environmental agencyfor advice on disposing of a lithium-ion battery. See "Battery Disposal" in theProduct 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 temperaturesabove 65°C (149°F). Keep the battery away from children. Handle damaged orleaking batteries with extreme care. Damaged batteries may leak and causepersonal injury or equipment damage.Checking the Battery ChargeThe Dell QuickSet Battery Meter, the Microsoft Windows Power Meterwindow and icon, thebattery charge gauge and health gauge, and the low-battery warning provideinformation on the battery charge.Dell™ QuickSet Battery MeterIf Dell QuickSet is installed, press to display the QuickSetBattery Meter. The Battery Meter displays status, battery health, charge level,and charge completion time for the battery in your computer.For more information about QuickSet, right-click the QuickSet icon in thetaskbar, and click Help.
