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System and method for calculating battery state of charge

  • US 20080048616A1
  • Filed: 08/24/2006
  • Published: 02/28/2008
  • Est. Priority Date: 08/24/2006
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • determining a present state of charge of a battery;

    determining a rate of change of the state of charge of the battery, the rate of change being determined based on a charge current being supplied to the battery; and

    determining an updated state of charge based on the rate of change.

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