U s i n g Y o u r L i f e B o o k 4 0 0 S e r i e s
L i f e B o o k 4 0 0 S e r i e s f r o m F u j i t s u
25
Battery
The Nickel Metal Hydride Battery Pack is a
rechargeable battery with an operating time
of up to 2 hours depending on active Power
Savings features and user activity levels. The
battery operating time may become shorter
than the reference value if it is used under the
following conditions:
■
When used at temperatures that exceed a low
of 5°C or a high of 35°C. High temperatures
not only reduce charging e
ffi
ciency, but can
also cause battery deterioration. (The charg-
ing icon on the Status Indicator Panel will
flash when you try to charge a battery that
is outside its operating temperature range.)
■
The battery charging capacity is reduced as
the battery ages. If the battery is running low
quickly, you should replace it with a new one.
■
When using a high cur rent device such as a
modem, a LAN card,the CD-ROM drive, or
the hard drive frequently.
Using the AC Adapter will conserve the battery
when using a high current device such as a
modem, a LAN card,the CD-ROM drive,
or the hard drive frequently.
disposing of old batteries. If you cannot
find this information elsewhere, contact
your support re p resentative at
1-800-8FUJITSU (1-800-838-5487).
C A U T I O N
Do not leave a faulty battery in
your notebook. It might damage the AC
Adapter, optional Auto Adapter, or your
notebook itself. It may also prevent oper-
ation of your notebook by draining all
available current into the bad battery.
C A U T I O N
Under federal, state or local law it may be
illegal to dispose of batteries by putting
them in the trash. Please take care of our
e n v i ronment and dispose of batteries pro p-
e r l y. Check with your local govern m e n t
authority for details re g a rding recycling or
Shorted Battery
If the Status Indicator shows a shorted battery,
check the installation by removing and rein-
stalling it. If it still shows that it is shorted,
replace it with a new battery.
Recharging the Battery
If you want to check the condition of the Nickel
Metal Hydride Battery Pack, check the Battery
Status Indicator located on the Status Panel.
This indicator changes as the battery level
changes. Battery 0 is the Nickel Metal Hydride
Battery Pack.(Figure 2-3 on page 17.) You can
also check the Fujitsu Power Center.
The battery is recharged internally using the AC
Adapter or Auto Adapter. To recharge the bat-
tery: Make sure the battery to be charged is
installed in your notebook and connect the AC
Adapter or Auto Adapter. During charging, an
C A U T I O N
Actual battery life will vary based on
screen brightness, applications, features,
power management setting, battery con-
ditioning, and other customer prerences.
CD-ROM or hard drive usage may also
have a significant impact on battery life.
Summary of Contents for 420D
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