I bought low profile slotted aluminum strut to mount two 100 watt solar panels on the roof of my van. It's been up for a couple of Colorado winters and it's holding up well. I don't have tilting brackets but I think it would work well for that purpose.
I had one of the early Renogy DCC50S units installed in my Transit van and it worked well for just over a year. Unfortunately, the negative terminal bolt sheared off and I was dreading contacting Renogy's customer support. It took a week for Renogy to get back to me however once they...
I've also been wondering about this. Recalling a couple of Will's tear down videos of these batteries, I've never noticed any compression. Perhaps I missed it?