WP1 Specifications, requirements and use cases definition: D1.1 Use Case specific Testing Map and Digitalization.D1.2 Definition of data management and communication architecture.D1.3 Requirements and Specifications for Digital Twins. WP1 - Specifications, requirements and use cases definition Link WP2 - Design of Experiments, boundary conditions and methodologies. Link WP3 - Advanced battery ageing and performance modelling Link WP4 -Battery safety and reliability AI-powered toolchain Link WP5 - Digital Twins for Hybrid Test in Battery Development Link WP6 - Development of hybrid testing platform Link WP7 - Dissemination, Exploitation and Communication Link WP8 - Coordination and Management Link