The new Sunny Island 5048 features the following innovative product characteristics: ergonomic aluminum enclosure, maximum efficiency of 95 % and OptiCool active ventilation system. Thus, the Sunny Island 5048 is the optimal solution for all off-grid applications which require high quality electricity for the establishment of a reliable AC voltage grid based on renewable energy sources. Its reliable design is ideal for use particularly in special climatic conditions. The intuitive interface and integrated data logger via MMC/SD card facilitates installation and commissioning.