Factorial Energy Inc. FAC

Company Overview

Factorial Energy Inc. is a U.S.-based battery technology company focused on the development of solid-state and quasi-solid-state lithium-metal batteries for electric vehicles (EVs) and related energy-storage applications. The company operates within the advanced battery technology and automotive supply-chain industries, with its primary focus on improving energy density, charging speed, safety performance, and manufacturing scalability compared with conventional lithium-ion batteries. Factorial Energy’s core technology platform includes its proprietary FEST (Factorial Electrolyte System Technology) solid-state battery architecture, which has been presented as compatible with existing lithium-ion manufacturing infrastructure.

The company’s primary commercial focus is supplying next-generation battery technology to global automotive manufacturers. Publicly disclosed strategic partners and investors include Mercedes-Benz, Stellantis, and Hyundai Motor Company, which have collaborated with or invested in the company to support EV battery development programs. Factorial Energy was founded in 2013 and evolved from early-stage electrolyte and materials research into a strategic automotive battery partner with pilot-scale manufacturing and vehicle validation initiatives. Data regarding total revenue, profitability, and production-scale commercialization remains limited because the company is privately held and does not publicly disclose comprehensive financial statements.