Apparatus and method for simulating a battery tester with a fixed resistance load

  • US 20050099185A1
  • Filed: 11/11/2003
  • Published: 05/12/2005
  • Est. Priority Date: 11/11/2003
  • Status: Active Grant
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First Claim
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1. A method of testing a storage battery rated using the Japanese Industrial Standard (JIS), the method comprising:

  • (a) measuring a dynamic parameter of the battery;

    (b) obtaining an open circuit voltage of the battery;

    (c) obtaining a temperature of the battery;

    (d) setting a predetermined load resistance value;

    (e) estimating a load voltage of the battery as a function of the measured battery dynamic parameter, the open circuit voltage of the battery, the load resistance value and the temperature of the battery;

    (f) predicting a bounceback voltage of the battery; and

    (g) utilizing the bounceback voltage, the load voltage and the battery temperature to rate a strength of the battery by categories of JIS group size numbers.

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