Freeze-thaw battery (VIDEO) DOE/Pacific Northwest National Laboratory This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption A long-duration grid battery could be charged with renewable energy, then discharge that energy when needed months later. Credit (Animation by Sara Levine | Pacific Northwest National Laboratory) Usage Restrictions No restrictions. License Public Domain 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.