Lt.Dan
Solar Wizard
While I did enjoy the reliability of my LV6548's like you, the EG4 phase did hurt them.I would not dismiss Voltronic just yet. Tech moved and things changed, features added on any newer competitive units. Whether they adjust and engineer something with added bells and whistles remains to be seen. I would consider Voltronic again but the changes around the time of the EG4 version left a bad taste. The low PV voltage LV6548's I use in the house have worked flawlessly, dependable, no issues like the EG4 versions. The 6500EX hurt Voltronic, maybe it was all their own fault but EG4 should have tested more before release.
This latest release might be an excellent product for AC coupling with the 15Kw output. That's 30Kw with a pair. At the price point, it might be a good option. Even if these last only 5 years, as tech advances on solar systems and more products come out, it might be a good option to allow updating equipment to the latest tech and features economically. Think of the changes just in the last 3 years.
I vaguely remember, so correct me if i'm wrong, but didn't Voltronic doing funny stuff with firmware (or was it hardware?) changes though, and not telling EG4 about it, which caused many of the problems to begin with.