Method and apparatus for testing a battery

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

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324429, 324433, 320 48, G01N 2746

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active

044332947

ABSTRACT:
The operating condition and/or characteristics of a battery is tested by obtaining the dynamic voltage-current characteristic of the battery as a function of the charge condition thereof. A controllably varying charging current is supplied to the battery, and the voltage produced across the battery while that current is supplied is measured. The dynamic voltage-current characteristic is obtained as a function of the measured voltage and supplied current. This voltage-current characteristic is compared to predetermined voltage-current characteristics representing batteries of the type being tested in order to determine the operating condition and/or characteristics of the battery under test.

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