The EU Batteries Directive came into force on January 1, 2024. It contains stringent requirements over battery content, performance and traceability. This will have a profound affect on the battery supply chain and challenges for the secondary market and the broader circular economy. William Bergh, CEO and founder of Cling Systems [https://www.clingsystems.com/about], a firm dedicated to enabling and platforming the circular economy for Lithium-Ion batteries.