No comment on those two
But I got an eBay email the other day because I had looked at some controller links from this forum...Not complaining , I do use eBay
The thing was..one seller was comparing his "quality" solar controller to the cheaper one
They looked identical on the outward appearance
But he showed pictures of the assembly the board and components
Heavier soldering and thicker pathways at input output connections
What he says is heavier components, and adjustable components, instead of fixed value components, a k a pots vs resistors etc..
Aluminum back heat sink vs plastic
Etc...
What I took away from this..is there are a lot of one man operations
Doing assembly and sales
The MFG are selling components...boards housings heat sink etc.. Etc..
The builder installs the circuit parts and they very by builder
And the quality of the assembly and finished product verys greatly
link to eBay site and comparison pictures
