Published by Global Banking & Finance Review®
Posted on April 24, 2025
1 min readLast updated: January 24, 2026
Add as preferred source on GoogleStellantis confirms the success of Factorial Energy's solid-state batteries, offering higher energy density and rapid charging, with a demo fleet by 2026.
(Reuters) - Carmaker Stellantis announced on Thursday the successful validation of U.S. startup Factorial Energy's automotive-sized solid-state battery cells with FEST (Factorial Electrolyte System Technology).
Stellantis invested 75 million euros ($85.34 million) in Factorial Energy in 2021, and will introduce the company's solid-state batteries into a demonstration fleet by 2026 as announced last year.
Unlike traditional lithium-ion batteries, solid-state batteries offer higher energy density and faster charging, allowing a charge from 15% to over 90% in just 18 minutes at room temperature, according to the joint statement from Stellantis and Factorial Energy.
($1 = 0.8789 euros)
(Reporting by Laura Contemori, editing by Gavin Jones)
The main topic is Stellantis validating Factorial Energy's solid-state battery cells, highlighting their benefits and future deployment.
Solid-state batteries offer higher energy density and faster charging times compared to traditional lithium-ion batteries.
Stellantis plans to introduce these solid-state batteries into a demonstration fleet by 2026.
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