Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1996-05-20
1998-05-26
Oda, Christine K.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
340636, G01N 27416
Patent
active
057571929
ABSTRACT:
A method and apparatus for detecting a bad cell in a storage battery having a plurality of cells as provided. Input circuitry electrically couples to first and second terminals of the storage battery. Voltage measuring circuitry coupled to the input circuitry provides a voltage output related to a voltage potential between the first and second terminals of the storage battery. Conductance measuring circuitry coupled to the input circuitry provides a conductance output related to conductance of the storage battery. Voltage and conductance comparison circuitry compares the measured voltage and conductance to references and provide outputs. Output circuitry provides a bad cell output based upon the results of the comparisons.
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Bertness Kevin I.
McShane Stephen J.
Midtronics Inc.
Oda Christine K.
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