State of charge tracking system for battery systems based on relaxation voltage
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United States of America Patent
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Nov 18, 2008
Grant Date -
Oct 20, 2005
app pub date -
Mar 16, 2005
filing date -
Apr 6, 2004
priority date (Note) -
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Abstract
A battery control module for a battery system comprises a voltage measuring module that measures battery voltage and a current measuring module that measures battery current. A state of charge (SOC) module that communicates with the current and voltage measuring modules and that estimates SOC based on relaxation voltage.
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