Honestly, I was looking for price over performance as this is a remote setup that won't get used much. An online auction site led me to factory refurbished 195W/12v panels, a mounting rack for the roof capable of holding 4 of the panels, the 60amp MPPT controller, a 2000 watt inverter, and a 280ah 12v battery. I has to source cables, breakers and cutoff switches - but once everything was connected in series I was shocked at how good the MPPT algorithm is for maximizing the PV power and charging the battery. The Eco-Worthy application uses Bluetooth to get information from both the MPPT controller and the battery. For basic situational awareness, it's really great. The menu and programming on the screen on the MPPT leaves a lot to be desired, and it would be great if you could configure things in the app. There are some settings you can change, but others you cannot. Anyway - this setup seems to be working flawlessly out of the box so to speak. For the price I could not be happier and I am pleased with the performance so far.