Not sure of the exact capacity of the batteries. I looked for the rating in Ah, but I think there was only a CCA rating.
Two of the batteries are essentially identical.
Negative Terminal:
Cell 1 - Specific Gravity 1050 (approx)
Cell 2 - Specific Gravity 1325
Cell 3 - Specific Gravity 1325
Cell 4 - Specific Gravity 1325
Cell 5 - Specific Gravity 1325
Cell 6 - Specific Gravity 1275
Postitive Terminal.
The third battery is just the opposite.
Negative Terminal:
Cell 1 - Specific Gravity 1275
Cell 2 - Specific Gravity 1325
Cell 3 - Specific Gravity 1325
Cell 4 - Specific Gravity 1325
Cell 5 - Specific Gravity 1325
Cell 6 - Specific Gravity 1050 (approx)
Postitive Terminal.
There were some slight variations, but it seemed to be quite consistant with the middle cells all being "high-normal", and one of the end cells being slightly low, and the other "end cell" being very depressed.
At first I was thinking that the cells had shorted out.
But, if one cell was completely shorted, I would get 2.1V x 5 = 10.5V. However, the batteries have a slightly higher "charged" voltage.... (around 11V), thus the last cells can hold a slight amount of charge.
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I guess I was thinking of mixing all of the sulfuric acid from the different cells together.... Or, attempting to drain the low cells and add more sulfuric acid. But, the problem is that the plates are caked with sulfur, then perhaps it wouldn't help.
----- Clifford ----