Friday solar panel shopping

I'm hoping I don't have to send my Trimetric and SC2030 in for programing. I purchased them last spring, so they're less than a year old, and had instructions for hooking up two charge controllers. Right now the 5er is buried with snow, more expected in a couple days so I haven't even ordered the new charge controller and bigger inverter which I'm also planning to install. I have wire, connectors and crimpers so I'll just make up a harness to the length I need when I get to doing the work.

51 amps this time of year sounds really good to me. Are your panels flat mount?