ScienceGlobal issuesA New Life for Old Batteries04:02This browser does not support the video element.ScienceGlobal issues07/02/2021July 2, 2021What to do with batteries in e-cars at the end of their lifespan? A Berlin start-up is giving them a fresh start. As compact electricity storage systems, they get tuk-tuks or motorboats going.Copy linkAdvertisement