Pulse-discharge battery testing methods and apparatus

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

Reexamination Certificate

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C320S129000, C320S159000, C340S636100, C340S636210, C429S090000

Reexamination Certificate

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07622929

ABSTRACT:
A method for evaluating the conditions a battery comprises applying a discharge pulse to the battery and monitoring a response of the battery to the discharge pulse. In some embodiments a measure of battery condition is based at least in part on at least one of first and second parameters. The first parameter is related to the decrease in battery voltage after the onset of the discharge pulse. The second parameter is related to the recovery of the battery voltage after the discharge pulse. The first and/or second parameters may be supplied as inputs to an evaluation system such as a neural network, a fuzzy logic inference engine or the like.

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