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Method and apparatus for determining cold cranking amperes value

  • US 6,885,167 B2
  • Filed: 05/06/2003
  • Issued: 04/26/2005
  • Est. Priority Date: 05/06/2003
  • Status: Expired due to Fees
First Claim
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1. A method for determining the cold cranking ampere (CCA) value of a battery under test comprising the steps of:

  • computing and storing an algorithm of battery CCA as a function of battery internal resistance (IR);

    measuring the IR of the battery under test; and

    using the measured IR determining the CCA value of the battery under test from the stored algorithm.

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