Why 36" ?
Glorious advice, thanks !
It is a nice set of things to ask oneself. Motivating a question is way better for learning.
What are inline and dual charging ? My internet query wasnt fruitful.
Also, by "power station" do you mean batteries? Because I'm curious what specs to consider, say, for a camping day vs home setup
relevant diagram:

reading that as "stairs" was hella confusing for a solid minute.