Using a Battery 27
Using a Battery

Battery Performance

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
NOTE: Batteries for portable computers are covered only during the initial 1-year period of the limited
warranty for your computer. For more information about the Dell warranty for your computer, see the
Product Information Guide or separate paper warranty document that shipped with your computer.
For optimal computer performance and to help preserve BIOS settings, operate your Dell™
portable computer with the main battery installed at all times. Use a battery to run the computer
when it is not connected to an electrical outlet. One battery is supplied as standard equipment in
the battery bay.
Battery operating time varies depending on operating conditions.
NOTE: Battery operating time (the time the battery can hold anty documerating tiy