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Battery Power
The “Battery Recalibration” function measures and memorizes the battery capacit y. To correct the battery display, use this
function to fill the battery and then discharge it completely. Perform the procedure at least onc e immediately after purchasing
the computer. Normally the interval of “Battery Recalibration” is three months. The batte ry display may not be correct when
the battery pack deteriorates after a long time use. In this case, perform the procedure aga in.
1Connect the AC adaptor.
2Close all the applications.
3Perform “Battery Recalibration”.
AClick (Start)/ [start] - [All Programs] - [Panasonic] - [Battery] - [Battery Recalibration].
BWhen the confirmation message appears, click [Start].
Frequent recalibration of the battery can degrade the battery. A caution message appears when the “Batter y
Recalibration” is performed at the shorter interval than approximately a mo nth. In this case, cancel the
“Battery Recalibration”.
CWhen the message requests shut down of Windows, click [Yes].
The “Battery Recalibration” starts.
After the battery pack is fully charged, discharging starts. When the dischar ging is completed, the power goes off
automatically.
After the “Battery Recalibration” is finished, normal charging starts.
CAUTION
Do not close the LCD while “Battery Recalibration” is being executed.
NOTE
The temperature range should be 10°C to 30°C {50°F to 86°F}.
If “Battery Recalibration” is executed at low temperatures, recalibration may n ot be performed properly.
The “Battery Recalibration” may take a long time due to the large battery capacity. This is not a malfunction.
<CF-C1 Series>
• Full char ge: Approximately 2.5 hours [MAX] when only battery pack 1 is installed / Approximately 3 hours [MAX]
when battery packs 1 and 2 are installed
• Comple te discharge: Approximately 2 hours when only battery pack 1 is installed / Approxi mately 4 hours when
battery packs 1 and 2 are installed
<CF-F9 Series>
• Full char ge: Approximately 3.5 hours [MAX]
• Complete disch arge: Approximately 3 hours
Correcting the Battery Display (Battery Recalibration)
Windows 7 Windows XP