Originally Posted by tclaridge
I have an IR question on battery capacity size. I measured two big 6S5000mah batteries that are 45C Nanotech. They came to about 1.9mohm. But the little 3S2200mah 45C Nanotechs measure 4.7mohm. Is it just because a smaller cell capacity has more resistance?
I believe that the relationship is approx. linear and suggested a "Figure Of Merit" to replace "C" ratings although Mark Forsyth originated the concept by his personal criteria for judging Lipos. There is a good discussion on it at :