Automatic battery analyzer including apparatus for determining presence of single bad cell

  • US 4,322,685 A
  • Filed: 02/29/1980
  • Issued: 03/30/1982
  • Est. Priority Date: 02/29/1980
  • Status: Expired due to Term
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First Claim
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1. Apparatus for determining the acceptability of a storage battery under test and comprising:

  • first circuit means for coupling to the battery under test and performing a load test on said battery;

    second circuit means for coupling to the battery under test and performing a voltage bounce back test on said battery;

    third circuit means for coupling to the battery under test, placing a load on said battery, and testing whether the rate of change of the battery voltage exceeds a predetermined value; and

    fourth circuit means coupled to said first, second, and third circuit means for controlling the sequence in which the tests of said first, second, and third circuit means are performed and providing a readout responsive to outputs of said first, second, and third circuit means.

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