About Factorial

Founded in the greater Boston area, Factorial operates at the forefront of solid-state battery development. Its proprietary FESTĀ® and Solsticeā„¢ platforms deliver industry leading performance with scalable manufacturing, developed in close collaborations with strategic customers. Mercedes-Benz' real-world road testing in a lightly modified test vehicle achieved over 1,200 km of range on a single charge, while Stellantis-lab testing verified 77 Ah cells demonstrating high energy density, fast-charging, and robust use for energy and power performance across temperature extremes. Factorial's commercial partnerships include global automotive leaders such as Mercedes-Benz, Stellantis, Hyundai Motor Company, and Kia Corporation. Beyond automotive, Factorial is extending its solutions to additional addressable markets, including defense, robotics, and data centers.