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Working with the notebook
Rechargeable battery
RechargeablebatteryBatteryLife,batteryRechargeablebatteryRechargeablebattery
When not plugged into a mains socket, the noteb ook 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/discha rge 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 and max. 35°C.
You can charge the battery by connecting the notebook to the mains adapter
(see "
Mains adapter connecting", Page 18).
If 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 sw itch off.
monitoring the battery charging level
BatteryBatterystatusmet
er
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.
The battery capacity can be monitored using an indicator which shows the current state
of charge. Use the following menu to enable this feature:
Operating system Menu
Windows XP
Start – (Settings) – Control panel–Power options
Windows 7
Start – (Settings) – Control panel – Mobile PC –
Power options
The indicator is then displayed in the task bar as a battery sym bol. When you place the
mouse pointer on the battery symbol, the system displays the battery state of charge. Please
refer to the Help facility of the operating system for more information.
Battery storage
BatteryBatterySelf-discharge,batteryChargingcapacity,battery
Keep the battery pack between 0°C and +30°C. The lower the temperature at which
the batteries are stored, the lower the rate of self-discharge.
If you will be storing batteries for a longer period (longer than two months),
the battery charge level should be approx. 30 %. To prevent 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 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 the
notebook. N ever store the batteries in the device.
60 Fujitsu Technology Solutions