They are top notch. You may not find much about them on this page because they are not typically considered "RV's" by most of the people on this page.
They are typically bought and used by racers and off-roaders. There is tons of information on those pages.
2014 Volvo 630 Tandem 2016 Chevy 3500 DRW, crew cab
2016 Fuzion 325T, 675ah AGM, MSH 3012 inverter, 1400w Solar