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Stellantis (NYSE:STLA) is one of the undervalued stocks with high upside potential. On June 11, Stellantis and Factorial (NASDAQ:FAC) announced the first North American road testing of an EV powered by advanced solid-state battery technology. Integrated into a Dodge Charger Daytona, the battery uses Factorial's FEST system, which leverages a patented mechanical architecture to deliver high energy density and ultra-fast charging capabilities.

This milestone marks a shift from laboratory validation to real-world application, with the ongoing test program designed to tune system performance, safety, and durability. By showing compatibility with existing lithium-ion manufacturing processes, the project provides a critical path toward scaling high-performance, cost-effective solid-state batteries for future mass-market vehicles.

The collaboration represents a significant step in the companies' multi-stage development program. By successfully adapting vehicle control systems and pack designs to meet automotive standards, Stellantis (NYSE:STLA) and Factorial are setting a new industry benchmark for bringing solid-state technology closer to widespread commercial use.

Stellantis (NYSE:STLA) is a Netherlands-based multinational automaker, producing passenger vehicles, pickup trucks, and SUVs. The company makes vehicles for the mass market and luxury segments. Its vehicle brands include Jeep, RAM, Dodge, and Maserati.

While we acknowledge the potential of STLA as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

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