Electronic battery testing device with state-of-charge compensation

  • US 4,912,416 A
  • Filed: 06/16/1989
  • Issued: 03/27/1990
  • Est. Priority Date: 06/06/1988
  • Status: Expired due to Term
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First Claim
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1. A process for testing a partially charged electrochemical cell or battery having an open-circuit voltage and a dynamic conductance comprising the steps of:

  • a. determining the value of the open-circuit voltage;

    b. generating a signal proportional to the dynamic conductance;

    c. adjusting the signal level in inverse correspondence with the value of the open-circuit voltage relative to a fully-charged value; and

    ,d. displaying the adjusted result.

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