METHOD AND APPARATUS FOR MEASURING CAPACITY OF BATTERY
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United States of America Patent
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Issued Date -
May 26, 2016
app pub date -
Jun 17, 2015
filing date -
Jun 17, 2015
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Abstract
A method and an apparatus for measuring a capacity of a battery are provided. The apparatus comprises a battery status measuring module, a coulometer, and a calculating module. The battery status measuring module is used for monitoring a battery status of a battery. The coulometer is used for measuring an output quantity of electricity of the battery to obtain a coulometer capacity. The calculating module is coupled to the battery status measuring module and the coulometer to receive the battery status and the coulometer capacity. The calculating module looks into a lookup table according to the battery status to obtain a measuring a capacity of the battery, dynamically determines a weight value according to the battery status, and adjusts the measuring capacity of the battery and the coulometer capacity to calculate a displaying capacity of the battery.
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