Joe - Batteries are complex things indeed. Frankly I've forgotten most of what I once knew, but I remember when I was in the Navy we used to to a test discharge of the submarine (SSN) main battery about once a year or so. We could remotely read the voltage of each cell, and we would do so continually after a certain point to make sure we did not get too close to damaging a cell by excessive discharge. The discharge itself was probably not the best for longer battery life, but under the circumstances, we needed to know the battery capacity, where we were in the life of the battery.
Radar
