#162137  by divxmaster
 Tue May 19, 2020 8:00 pm
Thanks!

and bang on what Indinial got from his battery too, pretty much.
So this makes the battery probably 220-230AH total capacity, 10v - 14.6v, so not too far from
the 240AH stamped on the cells in total.

Cheers,
Mike
 #162140  by Nut17
 Tue May 19, 2020 8:59 pm
With my 300 AH bank still at 13 volts and only 58 AH remaining, I reckon that these cells are as good as new. When I purchased them they were already two years old, and almost three years old before they were installed. When we did the individual capacity test on each of the cells we discharged them to 3 volts, then charged them to 3.6 volts. This process was completed twice and the chart below shows the capacity and internal resistance of each cell. I am pretty confident that I still have a good usable 300 AH available without dropping the bank below 12 volts.
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