PLANEBOOK
TM
OWNER’S MANUAL
© Gulfstream 2008 41 PlaneBook™ Owner’s Manual
8. Lithium-ion Battery and Power
Management
Your LifeBook notebook has a Lithium-ion battery that
provides power for operating your notebook when no
external power source is available. The battery is
durable and long lasting, but should not be exposed to
extreme temperatures, high voltages, chemicals or
other hazards.
The Lithium-ion battery’s operating time may become
shorter if the battery is used under the following
conditions:
• At temperatures that exceed a low of 5°C or a high
of 35°C. Extreme temperatures not only reduce
charging efficiency, but can also cause battery
deterioration. The Charging icon on the Status
Indicator panel will flash when you try to charge a
battery that is outside its operating temperature
range.
• When using a high current device such as a
modem, external optical drive, or the hard drive,
using the AC adapter will conserve your battery life.
CAUTION: DO NOT LEAVE A FAULTY BATTERY IN YOUR
NOTEBOOK. IT MAY DAMAGE YOUR AC ADAPTER,
OPTIONAL AUTO / AIRLINE ADAPTER, ANOTHER BATTERY
OR YOUR NOTEBOOK ITSELF. IT MAY ALSO PREVENT
OPERATION OF YOUR NOTEBOOK BY DRAINING ALL
AVAILABLE CURRENT INTO THE BAD BATTERY.
Note: Actual battery life will vary based on screen
brightness, applications, features, power management
settings, battery condition and other Customer
preferences. Optical drive or hard drive usage may also
have a significant impact on battery life. The battery
charging capacity is reduced as the battery ages. If
your battery is running low, you should quickly replace
it with a new one.
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