Electronic battery tester

Details Electronic battery tester Electronic battery tester

1998-01-12

1999-06-22

Do, Diep N.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324427, 320161, G01N 27416, H01M 1048

Patent

active

059146052

ABSTRACT:
A microprocessor couples to a voltage sensor through an analog to digital converter. The voltage sensor is adapted to be coupled across terminals of a battery. A small current source is also provided and adapted to be coupled across the terminal to the battery. The current source is momentarily applied to the battery and the resulting change in voltage is monitored using the microprocessor. The microprocessor calculates battery conductance based upon the magnitude of the differential current and the change in voltage and thereby determines the condition of the battery.

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patent: 5598098 (1997-01-01), Champlin

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