Dell PP14L User Manual download pdf (Page 31)

Using a Battery 31

Using a Battery

Battery Performance

CAUTION: Before you begin any of the procedures in this chapter, follow the safety instructions 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, and always connect your

computer to the AC adapter and an electrical outlet whenever possible. 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.

NOTE: Battery operating time (the time a battery can hold a charge) decreases over time. Depending on

how often the battery is used and the conditions under which it is used, you may need to purchase a new

battery during the life of your computer.

Battery operating time varies depending on operating conditions. Operating time is significantly

reduced when you perform operations including, but not limited to, the following:

• Using DVD+RW/DVD+R drives

• Using wireless communications devices, PC Cards, or USB devices

• Using high-brightness display settings, 3D screen savers, or other power-intensive programs

such as 3D games

• Running the computer in maximum performance mode. For more information, see the

Dell

Help

file. To access the help file, see

page 9

NOTE: It is recommended that you connect your computer to an electrical outlet when writing to a CD

or DVD.

You can check the battery charge before or after you insert the battery into the computer. You

can also set power management options to alert you when the battery charge is low.

CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the

battery only with a compatible battery purchased from Dell. The lithium-ion battery is designed to work

with your Dell computer. Do not use a battery from other computers with your computer.

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 lithium-ion

battery. See "Battery Disposal" in the Product Information Guide.

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Dell PP14L User Manual Page 31