Working with t he notebook
Battery
BatteryBatteryLife,batteryRechargeablebatteryRechargeablebattery
When not plugged into a m ains socket, the notebook runs on its bu ilt-in battery. You
can increase the life of the battery by caring for the battery properly. The average
battery life is a rou nd 500 charge/discharge cycles.
You can extend the battery life by taking advantage of the available energy saving functions.
It is possible to extend the time that your notebook will operate under battery
power. To do this, we recommend that you should switch off the Windows Vista
Aero graphics user interface while operating under battery power.
► Select Startsymbol – (Settings) – Control Panel– Appearance and Personalization – Screen colour and
appearance – Open the Properties for Classical Appearance to set further options and select – Basic
Windows Vista –or–Standard Windows –or–Classic Windows –toswitchoffWindows Vista Aero.
Charging, caring for and maintaining the battery
BatteryBattery
The notebook battery can only be charged, when the ambient temperature
is betw een 5°C and max. 35°C.
You can charge the battery b y connecting the noteboo k to the mains adapter
(see "
Connecting the mains adapter", Page 9).
You can increase the life of your battery by allowing it to fully discharge befo re recharging it again.
To do this, leave your notebook turned on when it is operated with the battery. Once 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 switch off.
monitoring the battery chargin g level
BatteryBatterystatusmeter
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.
Battery storage
BatteryBatterySelf-discharge,batteryChargingcapacity,ba ttery
Keep the battery pack between 0°C and +30°C. The lower the tempe rature at which
the batteries are stored, the lower the rate of self-discharge.
If you will be storing batteries for a longer period (more than two months), the battery
charge level s hould be approx. 30 %. To prevent exhaustive discharge, check the
charging level o f the battery at regular intervals.
To be able to m ake u se of the optimal chargin g capacity of the batteries, the battery
should be completely discharged and then fully recharged.
If you do not u se the batteries for long periods, remove them from the
notebook. Never store the batteries in the device.
A26391-K90-Z200-1-7619, edition 1 29
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