> Sorry, I missed the beginning of this, but if someone was wanting to know
> how to measure the internal resistance of a battery, all that needs to be
> done is attach a load of known resistance and see how much the battery
> voltage drops.  Then use Ohm's law to determine the battery's internal
> resistance.
>

Not so easy in practice it seems as the battery parameters are constantly
changing.  For example the voltage continues to drop when a load is
applied, so when do you take the measurements.


Justin
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