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Method and apparatus of estimating state of health of battery

  • US 20070001679A1
  • Filed: 06/30/2006
  • Published: 01/04/2007
  • Est. Priority Date: 06/30/2005
  • Status: Active Grant
First Claim
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1. A method of estimating a state of health (SOH) of a battery, the method comprising the steps of:

  • storing SOH values corresponding to various values of internal resistance in a memory;

    detecting the internal resistance value of the battery when a request is made to estimate the SOH; and

    reading the SOH value corresponding to the detected internal resistance value from the memory.

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