Portable (suitcase) solar "install" question
I've gone back and forth on solar panels on the roof or portable. Well, due to a tight budget, portable is the only way I'm going to get solar for now and it makes sense for me to try it out 1st as we...
Forum Discussion
marcsbigfoot20b27 wrote:Uh, no. PVs are current sources. The voltage doesn't change much with low light levels. The current changes a lot.
You have 40 volts, cut in half let's say by REALLY overcast skies so 20 volts, mppt will still charge at 14.5 and maximize the amps.
