DETERIORATION DETERMINATION SYSTEM FOR BATTERY FOR ELECTRIC VEHICLE
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United States of America Patent
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Issued Date -
Jan 12, 2006
app pub date -
Jul 4, 2005
filing date -
Jul 6, 2004
priority date (Note) -
Abandoned
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Abstract
An electric motor driven battery powered vehicle and method for determining the battery condition therefore for replacement purposes wherein current flow through a coil of the motor is measured and internal resistance of the battery is determined by the current flow to avoid unnecessary replacement based only on time of usage.
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