SIRO

SIRO was established as a joint venture between Togg and Farasis Energy, founded in 2021 to deliver advanced energy storage solutions across automotive and non-automotive sectors, including renewable energy, electric grids, charging stations, and residential solutions. With mass production of battery modules and packs launched in 2023, Siro aims to begin cell production by 2026, targeting a 20 GWh annual capacity.

As a key partner in REBORN, SIRO leads the design, development, and production of battery systems – defining component requirements, collaborating on system integration, and delivering critical modules for testing and use. From manufacturing to ageing and robotic disassembly, Siro ensures high-quality, scalable solutions that support innovation, performance, and sustainability in the evolving energy landscape.