WP4 WP4 Battery safety and reliability AI-powered toolchain: D4.1 Safety and reliability AI- powered battery toolchain architecture and framework design. D4.2 High fidelity battery AI- powered battery multi-domain toolchain safety and reliability development. D4.3 Integration & optimisation of battery AI-powered battery multi-domain toolchain cell to system level. D4.4 Battery AI-powered toolchain validation and verification strategies. 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