Factorial Energy Inc.

Factorial Energy Inc. manufactures and sells solid-state batteries for the eMobility, defense, and AI/robotics markets. The company offers products, such as high-performing solid-state battery cells, and utilizes advanced manufacturing techniques, including a proprietary dry-coating process. The company was formerly known as Factorial Inc. and changed its name to Factorial Energy Inc. in June 2026. The company was founded in 2013 and is headquartered in Billerica, Massachusetts.