The Batteries Store Solar Power (IMAGE) Karlsruher Institut für Technologie (KIT) Caption The batteries store solar power and feed it into the mains of HIU, if required. Credit (Photo: Frederik Elschenbroich, ads-tec Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.