If you have a Powerlabs unit, you can just measure 1 or 2 cells. I know that the older cells are not very consistent in terms of capacity... but it's fine.... I don't need the exact capacity, just a rough idea to see if it's worth shipping them all the way here.I have 47 cells, and I could sell them to help offset the cost of a new pack. What is the best way to determine the cell capacity?