Why these inverters are a great value:

These are refurbished products
USA Manufacturing, German engineering and superior design.
Sunny Boy Inverters are the most popular solar inverter in the world for over two decades.
Exceptional real world efficiencies make Sunny Boy the top choice for solar designers and installers.
These inverters are among the most reliable design SMA has ever built.
Several communication options are available.
The purchase price cannot be beat!