Thanks again for the excellent info, IamIan!
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FYI your comment about different charging temperatures reminded me to mention this observation when cycling the first 3 sticks (which I did
outside of the case):
On the initial charge cycle, different cells in a given stick ended up at noticeably different temperatures, by touch. A few would be noticeably "hot", while a few others were relatively cool, with the balance in between. The pattern of hot, warm & cool cells was different for each of the 3 sticks.
As cycling went on, the cells that were initially "hot" finished at cooler and cooler temps in subsequent cycles, while the "cool" cells' temperature came up. By the 3rd or 4th cycle, all cells in the stick seemed uniformly "warm" to my touch after recharging.
It's not a giant revelation, since we would expect to see this as the dis/charge cycles balanced the cells within each stick. But it was interesting to feel the physical evidence of the cells' initial imbalance.
