Lithium Ion Battery; Recharging The Batteries - Fujitsu P2110 Manual

SECTION 2

5. Lithium ion Battery

Your Fujitsu 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 operating time may become shorter if it is used under the following conditions:
• When used at temperatures that exceeds a low of 5°C (41°F) or a high of 35°C (95°F). 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, DVD/CD-RW drive, or the hard drive, using
the AC adapter will conserve your battery life.
Critical Point
Actual battery life will vary based on screen brightness, applications, features, power
management settings, battery condition and other customer preferences.DVD, CD-RW, CD-
ROM, 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 quickly, you
should replace it with a new one.
CAUTION
Do not leave a faulty battery in your LifeBook notebook. It may damage your AC adapter or
your notebook itself. It may also prevent operation of your notebook by draining all available
current into the bad battery.

Recharging the Batteries

If you want to know the condition of the primary Lithium ion battery, check the Battery Level indicator
located on the Status Indicator panel. The indicator changes as the battery level changes.
The Lithium ion battery is recharged internally using the AC adapter. To recharge the battery make
sure the battery that needs to be charged is installed in your LifeBook notebook and connect the AC
adapter.
Critical Point
Make sure that the Battery Charging indicator and the percentage charge is shown inside the
Battery Level icon on the Status Indicator Panel.
There is no memory effect on the Lithium ion battery therefore you do not need to discharge the
battery completely before recharging. The charge times will be significantly longer if your notebook is
in use while the battery is charging. If you want to charge the battery more quickly, put your notebook
into Suspend mode, or turn it off while the adapter is charging the battery.
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