LifeBook E Series - Section 2
28
Precautions in using the battery
pack
• The battery pack is consumable and its
chargeability decreases gradually as it is
used. When the battery reaches the end of
its useful life, replace it with a new one.
• The battery becomes exhausted in a very
short time when its useful life is ending.
• When the battery reaches the end of its
useful life, remove it from the computer.
Leaving a dead battery in the computer
could cause shock hazards or fire.
• About the disposal of the battery pack
• Before disposing of the battery pack, take
necessary measures to prevent it from
shorting, for example, sealing its connector
with an insulating tape.
• About the operating time
• The energy saving features of your
computer helps you conserve battery power.
• Battery life greatly varies depending on the
ambient temperature. The life of a battery
may shorten when it is used in a cold place.
• You should power your computer from the
AC adapter when:
• Using the hard disk or DVD/CD drive
frequently
• Connecting to a LAN
• Resetting the computer to the factory
defaults
• Connecting two or more external devices,
such as PC cards and USB devices, to your
computer at the same time.
• Keep an eye on the power level of the
battery when:
• Using a wireless device, such as a wireless
LAN device
• Changing settings, using BIOS Setup.
ELECTRIC SHOCK
• The battery pack is shock-sensitive.
To avoid damage due to shock, be
careful not to drop the battery pack
when installing or removing it. For
safety’s sake, do not use any
battery that has been given a strong
impact. The use of a damaged
battery could results in an electric
shock or explosion.
• Do not take the battery apart.
Taking the battery apart or touching its internal
components could result in an electric shock
or fire.
• About electrical discharge
• It is good practice to always recharge the
battery before use since it is discharged
spontaneously.
• When you know you will not use the
computer for an extended period of time (for
one month or more), remove the battery
pack from your computer and store it in a
cool place. Leaving the battery in the
computer without recharging for a long
period of time exhausts it and shortens its
useful life.
• About the battery life
• Batteries are consumable and gradually
deteriorate with the passage of time even
when they are not used. Therefore, to check
the condition of your battery pack, you
should run your computer on the battery
pack at least once a month.
• Leaving the battery pack in a hot place for a
long time accelerates the deterioration of the
battery.
LB_Railto 06 (24-30) 17/4/03, 6:26 PM28
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