Working with t he notebook
Rechargeable battery
BatteryBatteryServicelife,batteryRechargeablebatteryBattery
During use as a portable, the noteboo k runs on its b uilt-in battery. You can increase
the service life of the b attery by caring f o r the battery prope rly. The avera ge battery
service life is around 500 charge/discharge cycles.
You can extend the battery service life by taking advantage of the available energy saving f unct ions.
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 t o the AC adapter
(see "
Connecting the AC adapter", Page 21).
Be aware that the battery will not charge when the battery charge leve l is between
90% and 100%. If the battery ch arge level is less than 90% and the AC adapter
is connected, the battery charges up to 100%.
If the battery is running low, an alert is triggered. If you do not connect the AC adapter within
five minutes after the alert tone, your notebook will automatically switch off.
Monitoring the battery state of charge
Batterybatterychargemeter
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-discha
rge,battery
Chargecapac
ity,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 a battery for a longer period (more than two months),
the battery charge level should be approx. 30%. To prevent exh austive
discharge which would permanently damage the battery, check the level
of charge of the battery at regular intervals.
To be a ble to make use of the optimum capacity of the battery, you should allow
the battery to fully discharge and then recharge it.
If you do not intend to use a battery for long periods of time, remove it
from the notebook. Never store batteries in the unit!
Fujitsu 39
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