Cheap China Solar Controller Failure
For a couple days been noticing higher than the 14.6 voltage,.....going to 15, and even 15.5,....I knew something was not right. The next day it was showing 16, then quickly went to 17+.......I quickl...
Forum Discussion
Jim,
That really depends on whether the panels are mounted flat or pointed at the Sun. So, I guess to be fair, with a flat install, the mppt would get slightly more during the morning and evening, as well. (I was focusing on his 11:45 - 2:15 haul, i.e; anything above the Isc of the panels). So, in the morning and evening the mppt would pull in up to say 50% more, but 50% of very little, so maybe another 4 or 5 Ah's for the entire day. This is why I went parallel, after seeing how little would be gained by going mppt on a small (280w) array. That extra 8 or 9 Ah haul for the day converts to about 7 or 8 minutes of additional gen run time. (with a 75amper on a 430Ah bank)
That really depends on whether the panels are mounted flat or pointed at the Sun. So, I guess to be fair, with a flat install, the mppt would get slightly more during the morning and evening, as well. (I was focusing on his 11:45 - 2:15 haul, i.e; anything above the Isc of the panels). So, in the morning and evening the mppt would pull in up to say 50% more, but 50% of very little, so maybe another 4 or 5 Ah's for the entire day. This is why I went parallel, after seeing how little would be gained by going mppt on a small (280w) array. That extra 8 or 9 Ah haul for the day converts to about 7 or 8 minutes of additional gen run time. (with a 75amper on a 430Ah bank)
