Fujitsu LIFEBOOK U9311, Operating Manual

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Working with the notebook
Rechargeable battery
Rechargeablebattery Battery Life,battery Rechargeablebattery Rechargeablebattery
When not plugged into a mains socket, 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 around 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
Battery Battery
The notebook’s rechargeable 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 connecting the notebook to the mains adapter
(see
"Mains adapter connecting", Page 17 ).
Please note that the rechargeable battery will not be charged if its state of charge is between
90 % and 100 %. If the state of charge of the rechargeable battery is less than 90 % and
the mains adapter is connected, the battery will be charged to 100 %.
When the battery state of charge is low, a message from the operating system appears.
If you do not connect the mains adapter within about 5 minutes of the message
appearing, your notebook will automatically switch off.
monitoring the battery charging level
Battery Batterystatusmeter
Windows also has a "Battery status meter" in the taskbar for monitoring the battery capacity. When
you place the mouse pointer on the battery symbol, the system displays the battery status.
Switch the battery off and on
Switch off the battery
You need the mains adapter to switch the battery on.
► Disconnect the device from the mains adapter and if applicable, from the Port Replicator as well.
► Use a pencil or a wire (e.g. a paperclip) to press fi rmly into the opening of the
off button for the battery, this will switch off the system.
The device is currentless.
Switch on the battery
► Connect the device to the mains adapter of the notebook or to the Port Replicator.
► Switch the device on again.
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