REFU Elektronik GmbH was founded in 1965, and has since then set new standards in the areas of power supply, power storage and inverter technology. The company is a member of the internationally active PRETTL company group which has 9,500 staff world-wide, and sales turn-over of almost 1 billion euros.
The company develops innovative products at the highest technical level at its sites at Pfullingen and Metzingen, on the edge of the Swabian Jura, in Germany. Alongside solar inverters, these products include hybrid power solutions, energy storage systems as well as inverters for drive applications.