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 Dell QuickSet Battery Meter, the Microsoft Windows Power Meter
window and icon, the battery charge gauge and health gauge, and the
Dell™ QuickSet Battery Meter
If Dell QuickSet is installed, press <Fn><F3> to display the QuickSet Battery 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, click the QuickSet icon in the Microsoft® Windows® taskbar, and click Help.
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.
Charge Gauge
By either pressing once or pressing and holding the status button on the charge gauge on the battery, you can check:
•Battery charge (check by pressing and releasing the status button)
•Battery health (check by pressing and holding the status button)
The battery operating time is largely determined by the number of times it is charged. After hundreds of charge and discharge cycles, batteries lose some charge
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