Reference Guide

16 System Information Guide
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• Battery life and usage: Various batteries are available for use with your computer. Using
the 72 WHr/6486-mAh battery that comes standard with the computer, you can
expect from 3 to 4 hours of operating time from a single fully charged battery with
average usage. Performing certain types of operations, such as extended wireless
operation, can significantly reduce battery life.
– For more information on battery performance, usage, and conserving power, see
"Using a Battery" and "Power Management" in the User’s Guide.
– For information on an optional second battery, see "Using the Module Bay" in the
User’s Guide.
• Module bay devices: For information on the module bay and the devices it supports, see
"Using the Module Bay" in the User’s Guide.
• Docking devices: Your computer supports the Dell D/Dock Expansion Station and the
Dell D/Port Advanced Port Replicator.
NOTE: Docking devices may not be available in all countries.
– For information on your optional docking device, see the documentation that
accompanied the device.
– For information on obtaining optimal performance when using a docking device
with this computer, see "Solving Problems" in the User’s Guide.
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