Factorial Energy Inc. develops and manufactures battery energy storage technologies and solid-state battery technology in the United States and Korea. The company's products are used in the production of batteries for electric vehicles, homes, and critical applications. It has a strategic partnership with Tulip Tech Group B.V. to accelerate commercial deployment of solid state and lithium metal batteries for next-generation drones. Factorial Energy Inc. was founded in 2013 and is headquartered in Billerica, Massachusetts.