Petition for battery testing standards!

[BrianG]

Originally Posted by zeropointbug

Why not just a label that states the packs Ri, that will tell us most of what we need to know right there in one simple number, much better than a C rating obviously...

Trouble with stating a single resistance number is that it is not constant. It is a curve which is a function of discharge rate and temperature. The label would have to show a graph, or at least provide the range of Ri vs temperature and discharge rate.