Using your notebook
Battery
The battery supplies your notebook with the necessary power during mobile use. You can increase
battery life by enabling the system's power management features.
The life of the battery is dependent on its proper storage, the number of charging/discharging cycles
and the operating temperature of the notebook.
Charging, caring for and maintaining the battery
!
Only use batteries approved by Fujitsu Siemens Computers for your notebook.
Take care not to drop batteries or otherwise damage their casing (fire risk).
If rechargeable batteries develop a fault please stop using them immediately.
Do not touch the contacts of batteries.
Never interconnect the positive and negative terminals of a battery.
Batteries are harmful to the environment. You should dispose of them following guidance
from your local District Council.
Charging the battery
You can charge the battery by connecting the notebook to the mains adapter. The battery can only
be recharged if the ambient temperature of the notebook falls within the permitted temperature
range. The time taken to charge the battery depends on its usage. Information on the battery
charging time is contained in the chapter "
Technical data".
You can increase the life of your battery by allowing it to fully discharge before recharging it again. To
do this, leave your notebook turned on when it is operated with the battery. Once the battery is
running low you will hear a warning alarm. If you do not connect the mains adapter within five
minutes of the warning alarm described above, your notebook will automatically switch off.
i
Windows XP
You can set the power-management settings for your notebook under
Start - (Settings) -
Control Panel - Power Options
.
Windows Vista
You can set the power-management settings for your notebook under Start – (Settings) –
Control Panel – Mobile PC – Power Options.
Storing the battery
Keep the battery pack between 0°C and +30°C (32 and 122 degrees Fahrenheit). The lower the
temperature at which the batteries are stored, the lower is the rate of self-discharge.
If you store rechargeable batteries for a longer period (longer than two months), the battery charge
level should be approx. 30%. To prevent exhaustive discharge, check the charging level of the
batteries at regular intervals.
i
If you do not use batteries for long periods, remove them from the notebook.
Never store batteries in the unit.
42 A26391-K220-Z122-1-7619, edition 1
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