None if your just going to take a battery and measure its impedance and try to determine its health from your reading. There are to many variables that can effect the impedance. Can give some useful information if you have something to compare it to. As a log of periodic tests on the battery. Abrupt changes in the impedance can indicate future failure.
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Life is not a journey to the grave with the intention of arriving in a pretty, pristine body but rather to come sliding in sideways, all used up and exclaiming, "Wow, what a ride!"
The battery health can be approximated by measuring Battery Internal Impedence or Internal Resistance. But this would require previous records of log.
OR we can verify the manufacturers value for internal impendence and as thumb rule we follow is it should not cross 1.5 times the manufacturers value. But again this is only guestimate. Proper maintenance ( temperature, charging systems), sp. gravity for wet cells can help us in monitoring.
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Nothing is impossible, Impossible is nothing
Sub station Battery Maintenance
Re: Sub station Battery Maintenance
