I bought mine after buying my XW back around 2010 -2011 time frame. It works with my XW and XW+. It does not have a usb port for updates. There is another way to update it but I just bought a Insight so I could keep an eye on things remotely and updates are super easy.
Purchase for my system but I have decided to change to high voltage series connection instead of parallel connections and ordered 500v charge controllers. This is the 250v version. $250 + shipping.
Yea they were no help. I’ll guess I’ll just add a headway LifePO4 cell in line with it to bump up the capacity 10ah. Not exactly what I was hoping for spending this much on a new battery bank!