Working with t he notebook
Rechargeable battery
BatteryBatteryServicelife,batteryRechargeablebatteryBattery
During mobile u se, the notebook runs on its built-in battery. You can increase the
service life of the battery by caring for the battery properly. The average battery
service life is around 800 charge/discharge cycles.
You can extend the battery service life by taking advantage of the available energy saving functions.
Charging, caring for and maintaining the ba ttery
BatteryBattery
The notebook battery can only be charged if the ambient temperature is be tween
5°C / 41°F and a maximum of 35°C / 95°F.
You can charge the battery by connecting the notebook to the AC adapter
(see "
Connecting the AC adapter", Page 19).
If the batte ry is running low you will hear a warning alarm. If you do not connect the AC adapter
within five minutes of the warning alarm described abo ve, you r notebook will automatically switch off.
Monitoring the battery state of charge
Batterybat terychargeme t
er
Windows also has a "Battery charge meter" in the taskbar for m onitoring the
battery capacity. When you place the mouse pointer on the battery symbol, the
system displays the state of charge of the battery.
Battery storage
BatteryBatterySelf-discharge,batteryChargecapaci ty,battery
The battery should be stored in a dry environment at a tem peratu re between 0°C / 32°F and
30°C / 86°F. The lower the storage temperature, the lower the rate of self-discharge.
If you will be storing batteries for a longer period (m o re than two m onths),
the battery charge level should be approx. 30%. To p revent exhaustive
discharge which would permanently damage the battery, check the level
of charge of the battery at regular intervals.
To be able to make use of the optimum capacity of the battery, you should allow
the battery to fully discharge and then recharge it.
If yo u will not use batteries for long periods, r emove them from the
notebook. Never store batteries in the device.
Removing and installing the battery
Only use
batteries approved by Fujitsu for your notebook.
Never u s
e fo rce when fitting or removing a battery.
Make su
re that no foreign bodies get into the battery connections.
Never s
tore a battery for long periods in the discharged state. This
can ma
ke it impossible to recharge.
Fujitsu 45
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