Battery state of charge indicator with an auxiliary cell
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United States of America Patent
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Aug 22, 2017
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N/A
app pub date -
Dec 28, 2016
filing date -
Jul 25, 2014
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Abstract
A state of charge indicator may include an indicator with a display threshold and an auxiliary cell having an auxiliary cell voltage. The auxiliary cell may be electrically coupled to the indicator such that when a difference between a main cell voltage of a main cell and the auxiliary cell voltage is less than the display threshold, the indicator is inactive and when the difference between the main cell voltage and the auxiliary cell voltage is greater than or about equal to the display threshold, the indicator is active.
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