Factorial Energy Inc. is a technology company that develops advanced solid-state battery solutions for modern energy storage needs. Headquartered in Woburn, Massachusetts, the company focuses on high-performance batteries designed to deliver higher energy density, improved safety, and longer cycle life compared with conventional lithium-ion technologies. Factorial Energy’s products are engineered for use in electric vehicles, where greater range and safety are critical, as well as in renewable energy storage systems that require reliable, efficient power management. The company also targets specialized applications in areas such as e-mobility, defense, and AI-driven robotics, where compact, robust energy storage is essential. Within the broader cleantech and energy transition ecosystem, Factorial Energy plays a role as an innovation-focused supplier, working with industrial and automotive partners to integrate next-generation solid-state batteries into commercial platforms and critical infrastructure.