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Monitoring state of charge of a battery

  • US 8,264,203 B2
  • Filed: 03/31/2010
  • Issued: 09/11/2012
  • Est. Priority Date: 03/31/2006
  • Status: Active Grant
First Claim
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1. A method for determining a reported state of charge (“

  • SOC”

    ) of a battery system, the method comprising;

    determining the reported SOC according to a first determining method when a previous SOC is greater than a first SOC threshold percentage and less than or equal to 100%;

    determining the reported SOC according to a second determining method when the previous SOC is greater than a second threshold percentage and less than or equal to the first SOC threshold percentage; and

    determining the reported SOC according to a third determining method when the previous SOC is greater than or equal to 0% and less than or equal to the second SOC threshold percentage.

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