Reconfigure to four 130 W panels

PV data plot

During day 131, I added a fourth PV panel to the set, all in series. Now the maximum power point is around 64 V at 7 A, but the MPPT charge controller presents about 18 A to the 24 V battery system. The days in this period are not sunny enough to showcase the panel changes as well as was the case for the upgrade to two, then three panels, but you can at least see solar inputs spiking to 400 W after the upgrade, which did not happen with three panels alone.

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