Stretchable battery in air (IMAGE) Yokohama National University Caption Stretchable battery which is packed in liquid metal is strained by hands. Batteries can withstand stretching of more than 50%. Credit Yokohama National University Usage Restrictions The image may only be used with appropriate caption or credit. License Original 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.