newbie trying to build solar system on a budget

Do you know the Voc of the 240w panels? You have to stay under 42v with the Eco-worthy.

I got the Eco-worthy about a year and a half ago and besides testing at home, used it for a week to two weeks at a time while camping with a 230w panel. For that purpose I found it perfectly functional. It would be nicer to have more features if I full timed and relied on the solar to do more than just keep my batteries charged up. I liked it well enough to buy a second for my 220w panel.