Working with the notebook
Rechargeable battery
RechargeablebatteryBatteryLife,batteryRechargeablebatteryRechargeablebattery
When not plugged into an AC outlet, the notebook runs on its built-in battery. You
can increase the life of the battery by caring for the battery properly. The average
battery life is arou nd 500 charge/discharge cycles.
You can extend the battery life by taking advantage of the available energy saving functions.
Charging, caring for and maintaining the battery
BatteryBattery
The notebook battery can only be charged, when the ambient temperature is
between 5°C / 41°F and max. 35°C / 95°F.
You can charge the battery by co nnecting the notebook to the AC adapter
(see "
AC adap ter connecting", Page 17).
If the battery is running low you will hear a warning a larm. If you do not connect the AC adapter
within five minutes of the warning alarm described above, your noteboo k will automatically switch off.
Monitorin g the b attery cha rg ing level
BatteryBatterystatusmet
er
Windows also has a "Battery status meter" in the ta skbar for monitoring the battery capacity. When
you place t he mouse pointer on the battery symbol, the system displays the battery status.
Battery storage
BatteryBatterySelf-discharge,batteryChargingcapacity,ba ttery
Keep the battery pack b etween 0°C / 32°F and 30°C / 86°F. The lower the temperature at
which the batteries are stored, the lower the rate of self-discharge.
If you w ill be storing batteries fo r a longer period (longer than tw o m onths),
the battery charge level should be approx. 30%. To prevent exh austive
discharge which wo uld permanently damage the battery, check the level
of charge of the battery at regular intervals.
To be able to make use of the optimal charging capacity of the batteries, the battery
should be completely discharged and then fully recharged.
If you do not use the batteries for long periods, remove them from th e
notebook. Never store the batteries in the device.
If the device will not be used for a period of more than two days, remove the
batteries from the device so that their state of charge is maintained.
Removing and installing the battery
Only use rechargeable batteries approved by Fujitsu for your notebook.
Never use fo rce when fitting or removing a batt ery.
Make sure that no foreign bodies get into the battery connections.
Never store a battery for longer periods in the discharged state. This
can m ake it impossible to recharge.
Fujitsu 31
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