Thanks Mike for the detailed explanation. That is what I felt I had read from everything, but felt maybe I was missing something. Those videos Ernie mentions are ones I had previously watched and while they are somewhat good they did add to my overall concern which lead me to ask these...
I have Goal Zero Yetis 1000X & 500x (plus several other smaller power banks) with GZ's Boulder 100 Solar case and some other 100 watt solar panels I've used for camping. I mainly use all of this at home for emergency power outages. I live a big building in a city and cannot attach anything to...