Solar 30 Charge Controller?????

Actually, I mis-spoke. Stew's unit has a base plate with less (wider spaced) fins, but is different from the one in my comparison link. The one in my link has a base that goes all the way across, and it is the aluminum base that gets screwed down during installation, whereas Stews has a similar looking base, but it is the plastic (upper)case that is screwed down. So depending on what the unit is mounted to, there is potential for increased heat dissipation with the full base plate.

I was just at the camper yesterday, so I could have checked to see exactly which unit I bought? Next time I'm up north I'll check.