Electronic battery testing device

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device

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Details

324433, G01N 27416, G01R 3136

Patent

active

055721362

ABSTRACT:
An electronic device for testing storage batteries and other dc sources is disclosed. The testing device passes a small, time-varying, current through the battery and observes the resulting time-varying voltage response. This response is then digitized and inputted to a microprocessor. In one embodiment of the invention, the microprocessor numerically inverts the level of the response voltage to obtain a quantity proportional to the battery's conductance and hence proportional to its available power. In a second embodiment, the microprocessor compares the observed voltage response level with a reference value based upon the battery's rating to obtain a qualitative assessment of the battery.

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