12 Quick Reference Guide
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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: For 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.
speaker
battery-bay latch
releases
(2)
battery charge gauge battery