Battery gas gauge
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United States of America Patent
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Aug 22, 2006
Grant Date -
Oct 20, 2005
app pub date -
Jun 28, 2004
filing date -
Apr 16, 2004
priority date (Note) -
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Abstract
Full capacity determination in a battery gas gauge. Operations include measuring instantaneous open circuit voltage levels during an open circuit time interval for a specific battery cell and correlating such measurements to estimate values. Such estimated values may then be correlated to associated relative state of charge levels. Finally, a full capacity calculation can be made based on the associated relative state of charge levels. A plurality of full capacity determinations may also be made and compared to each other to assess the reliability of such determinations.
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