I finally got to do some legitimate field testing in Utah. I ran my heater all night with the fridge in the galley and was able to recover every bit of power during a severely overcast and rainy day with just solar. Additionally I wanted to see if I could run all that + my snowboard boot dryers which are DC and draw 12-13w (also running all night) this consumed 23% of my battery after 10 hours. Last test was so try to regain it all with solar on another overcast drizzly day and it didnt miss a beat. An hour before sunset it was at 100% again.
Seems to me that my systems are all working properly! I will do some more testing in summer when temps are causing the fridge to run like mad.
View attachment 563444
View attachment 563445
Edit: I ran the panels in series the entire time and had them flat on my roof rack with no effort to angle them better.
Voltage/amperage on the input side of MPPT is largely irrelevant - it's still gonna be the same amps at battery voltage on the output side either way.regardless of the above I am still not clear as to which is best