I have been asked to determine the Amp-Hour capacities of a competing battery technology that is not yet released. I'm a bit stumped. I didn't think this was possible. I always thought this was a calculation that had to be determined empirically, but a coworker is insistent that it can be done. Does anyone know how you would take an overall capacity rating (in A-hr, assumed to be the 100-hr rate) and determine the 10hr, 5hr, etc rates? Is this even possible? Edit: I should note that this is a lead acid battery under investigation.