Karma Automotive and Factorial Inc. have announced what they describe as the first solid-state battery production program in the United States for passenger vehicles. The partnership will integrate Factorial’s FEST solid-state battery technology into Karma’s next-generation platform, starting with the all-electric Kaveya super-coupe expected in late 2027.
Highlights
- Karma Automotive and Factorial are collaborating on a U.S.-based solid-state battery production program for passenger vehicles.
- Factorial’s FEST technology is designed to work with up to 80% of existing lithium-ion manufacturing equipment.
- The Karma Kaveya targets over 1,000 horsepower and a top speed exceeding 200 mph.
- Both companies operate U.S.-based engineering and production facilities.
FEST Technology and Vehicle Integration
Factorial’s FEST solid-state battery technology uses a high-energy electrolyte system. The company says it supports extended driving range and improved vehicle efficiency compared to conventional lithium-ion batteries. These characteristics align with the performance demands of the Kaveya platform.
A key element of the FEST approach is manufacturing compatibility. Rather than requiring entirely new production lines, FEST cells integrate with up to 80% of existing lithium-ion battery factory equipment. Factorial says this enables faster commercial scale-up.
Karma’s Path to the Kaveya
Karma originally introduced the Kaveya concept in November 2023. The company delayed the launch timeline in 2025, citing the need to fully deliver on performance expectations.
“We delayed launch because we did not yet see a clear path to fully delivering the uncompromising driving experience that should be expected from an American ultra-luxury vehicle company,” said Marques McCammon, President and CEO of Karma Automotive. “Now through the partnership with Factorial and the integration of FEST, we can deliver that experience.”
McCammon added that the collaboration could open a pathway to more stable electrified drive systems for the broader industry.
Factorial’s Commercial Expansion
For Factorial, the Karma program represents its first U.S. passenger-vehicle production partnership. The company’s existing commercial relationships include Mercedes-Benz, Stellantis, Hyundai Motor Company, and Kia Corporation.
“FEST was built to scale, and this milestone highlights the energy and performance solid-state technology can deliver,” said Siyu Huang, CEO of Factorial.
Factorial is headquartered in the greater Boston area. Karma manufactures vehicles at its Innovation and Customization Center in Moreno Valley, California, with additional offices in Irvine, California.
Karma’s Upcoming Vehicle Lineup
Karma’s near-term portfolio includes several models across powertrain types:
- Gyesera — Hybrid EREV four-seater, anticipated Q2 2026
- Amaris — Hybrid EREV coupe, expected Q4 2026
- Kaveya — All-electric super-coupe with over 1,000 horsepower, scheduled for 2027
- Ivara GT-UV — Expected in 2028
Both the Kaveya and Ivara will incorporate Software-Defined Vehicle Architecture developed with technology partners.
For more information, visit www.karmaautomotive.com and www.factorialenergy.com.
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