Description The SAX battery with AC output is based on innovative electronic circuits. Biggest market for this technology in the long run will be e-mobility, with various advantages: charge time cut in half, longer service life and higher capacity – and no fire hazard in case of an accident, in spite of high voltage operation. Also, space and production cost are saved as AC and DC voltage are available without an inverter. The innovation is a major breakthrough for sustainable energy usage. There are no competing products with comparable features. Our advantage in technology is secured by German patents. As a first product, plug-in storage units for solar energy have been developped (photo), industry solutions are on the way. Reliability of the SAX technology has been proven by certification according to VDE AR-N 4105.