Printable Batteries (IMAGE) Fraunhofer-Gesellschaft Caption The small, thin battery comes out of the printer and can be applied to flexible substrates. Credit Fraunhofer ENAS Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. 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.