I follow a couple of full-time RVers on YouTube that use Renogy portable solar
panels. I also have a friend who has one of these suitcase setups similar to the one in this link: https://www.renogy.com/renogy-100-wa...olar-suitcase/
This one comes with a controller; don't know if the quality is the best, but a bit of research would probably be in order.
I bought one of Renogy's 14-watt foldable solar
suitcases to recharge my cell phone, my iPod Shuffle, and my Kindle when I go camping. Turns out I use it more when I'm at home. The quality is excellent, and I've had no problems with it after almost 2 years.
Bottom line, I've heard nothing but good things about Renogy products, I've had good luck with them myself, and their customer service is excellent.