I was really excited to find this thread! I've recently taken the rear and passenger seats out of my car, and plan on getting it set up as a micro-camper. Now, my car is even smaller than a lot of cars that I see people living out of– an early-model Toyota sedan. With the passenger seat out, there's plenty of space for me to sleep, but I'll probably be building a wood platform for a more level area. Are you happy with the solar setup you have? I need a power supply that can charge my laptop and phone. I was considering an auxiliary battery setup, but there's no space in my engine bay for another battery, and I don't feel very safe installing it in the passenger compartment. Plus, if I can get a setup that weighs less than another car battery or two would, I would prefer that. My girl is old, and the more weight I've got, the harder it is on her poor little 4-cylinder engine!