Thank you Gerd.
A bit of strong language there, but I catch your drift and appreciate it.
I am a DIY and beginner in the field of solar power, correct.
Hence this small little setup in my living room (see my post about Offgrid desk ) .
Learning the basics in a hopefully good way by studying, classes and input from you and others on this forum.
So, yes, I will be asking a lot more in the future.