1STOP SOLAR GmbH, based in Frankfurt, Germany, is a leading integrated solar system provider specializing in the sales, installation, operation, and after-sales service of photovoltaic systems. Our German warehouse is equipped with a complete range of photovoltaic systems, including solar modules, inverters, energy storage batteries, mounting structures, and charging stations. With a highly international team and warehouses located throughout Europe, we pride ourselves on offering high-quality products and one-stop solutions.