Apparatus and method for testing rechargeable energy storage batteries

  • US 6,441,585 B1
  • Filed: 06/15/2000
  • Issued: 08/27/2002
  • Est. Priority Date: 06/16/1999
  • Status: Active Grant
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First Claim
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1. A method of testing a rechargeable energy storage battery comprising:

  • measuring an open circuit voltage of a test battery having an unknown physical condition;

    measuring a dynamic parameter of the test battery;

    scaling the dynamic parameter measured based on the dynamic parameter of a standard battery corresponding to the test battery; and

    determining the physical condition of the test battery using the measured open circuit voltage, the scaled dynamic parameter, and correlation data based on the dynamic parameter of at least one battery at at least one charge state.

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