Solar-Charger for Powerbank - which Module + Blitzwolf question

It’s obviously, I’ve presented a piece of information with some recommendations which based on my experience and topic understanding. I’m ready to sign under the each word. Forums have the same reputation as youtube, you decide whom to trust.

Theory or physics of solar panels is much more useful for the beginners as a main source of information. There’re many different solar panels on market, their main disadvantage is weak electronics. That’s why I solved this issue by myself. SWIFT Solar Wide Functional Headlamp, developing and discussing.

Yes, sometimes I got tired explaining all basic things from the beginning again and again on my previous forum. So, what I wanted to say, the best way to get knowledge is reading books or articles.

My apologies if something went wrong, I’m still adapting to a foreign language, this’s my 1st day on this forum. That was my personal point of view, who am I to judge.