Harness the energy of the sun - with a grid-tie solar inverter from SMA. They convert the direct current generated by the solar module into grid-acceptable alternating current. Thus they form the heart of every solar energy system. SMA also offers several options for installing world class, stand alone energy systems. Featuring AC coupled technology, the Sunny Island inverter is an intelligent system manager that creates a high quality, self-sufficient AC grid and protects sensitive batteries, extending system life.