I know you didn't mention it in this response post, but the MPP LV2424-MSD isn't the quietest running unit - what, with the fans and all. It's tolerable - especially if it's in a room around the corner, or downstairs in the basement. [Sometimes the sound of operation is a good thing anyway! :D]
Just ordered four of the 100w bifacial Fisvsta Solar panels moments ago. Just couldn't resist the opportunity to increase my home six Rich Solar 100w (non-bi-facial) setup from 6 to a total of 10 panels with this addition, for the home backup system. And getting four 100w bi-facials for well...