| 摘要 |
A method and apparatus for detecting the capacity of a battery wherein a voltage method of measuring the voltage of the battery, to calculate the capacity of the battery based on the correlation between the voltage and the capacity of the battery, is switched to a current integrating method of integrating the current magnitude of the battery with respect to time, to calculate the capacity of the secondary battery, and vice versa, with a pre-set current magnitude as a threshold value, in order to detect the capacity of the battery. By selectively using the voltage method and the current integrating method depending on the current magnitude of the battery, the capacity of the battery can be calculated with greater accuracy.
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