K&S emergency generator dual LPG GAS petrol inverter power generator generator 5.5KW The LPG/petrol inverter generator KS 5500iEG S from the German brand “Könner & Söhnen” in a soundproof housing serves as a convenient, portable and low-noise source of energy. The main feature of this model is that it ensures a pure sine wave of the current. The motors of the K&S inverter generators have an ECO mode that allows the generator to be used at low speeds and reduces fuel consumption by up to 50%. The high-quality alternator with copper winding and the powerful motor ensure trouble-free and long-lasting operation.