Battery Tech Expo France is a one-day technical conference, exhibition and networking event bringing together professionals from across the battery value chain in the heart of France’s “electric valley” at Lille Grand Palais on 5 February 2026. With over 1,000 attendees, 100 exhibitors and 30 presentations, the expo showcases innovations in battery testing, materials, cell and pack design, assembly, thermal management, safety, compliance, recycling and next‑generation technologies. The free-to-attend event connects corporate buyers, manufacturers, R&D specialists, investors and service providers for eight hours of face-to-face meetings, live talks and new product discovery focused on advancing battery technology and infrastructure.