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Another Chinese LCR meter?

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OT, about battery meaurement
The real complex impedance of a battery is very interesting.
You can measure the Rs by pulse loading it. But if you measure Rs + jX you notice a good battery is neutral to inductive, a bad battery is capacitive ( like >10 nF) Rs increases if the battery gets discharged but does not tell about the health, The reactance seems to be more usefull.

But to be honnest, i think I'm the onley nut who did this experiment ( even used a vna)


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