Using a
Battery
Battery
Performance
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. One battery is supplied
as
standard
equipment
in the
battery
bay.
NOTE:
Because the battery may not be fully charged, use the AC adapter to connect your new computer to
an
electrical outlet the first time you use the computer. For best results, operate the computer with the AC
adapter until the battery is fully charged. To view battery charge status, access the Control
Panel→Power
Options, and then click the Power Meter
tab.
NOTE:
Battery operating time (the time the 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. You can
install
an
optional second
battery
in the
media bay
to
significantly increase operating
time.
Operating
time
is significantly reduced when you perform operations
including, but not limited to,
the following:
•
Using optical
drives
•
Using wireless
communications
devices, PC Cards, ExpressCards, media memory 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
(see
"Configuring
Power
Management
Settings" on page
33)
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 you insert
the
battery
into the
computer (see "Checking
the
Battery Charge"
on
page 30). You can also set power management options
to
alert you when
the
battery charge is
low
(see
"Configuring
Power Management Settings"
on
page
33).
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
.
Using
a
Battery
29
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