Stellantis and Factorial Energy have just revealed a massive milestone in electric vehicle technology: a validated solid-state battery capable of charging from 15% to 90% in about 18 minutes. With a density of 375 Wh/kg, this innovation could surpass traditional lithium-ion batteries, providing better range, faster charging, and improved safety.
The collaboration targets future Stellantis EVs, including the 2026 Dodge Charger Daytona, setting a new benchmark for electric mobility.
🚗 Learn how these solid-state batteries compare to current lithium-based ones in our article on Best Electric Vehicles 2025.
Solid-State Technology: What Sets It Apart?
Traditional lithium-ion batteries use liquid electrolytes, which present risks like overheating, flammability, and performance degradation. Solid-state batteries replace this liquid with solid electrolytes, offering:
- Higher energy density
- Faster charging
- Longer lifespan
- Improved safety
With 375 Wh/kg, Stellantis and Factorial’s battery represents one of the highest densities ever tested in a commercial-ready format.
🔋 Key Features of the New Stellantis Solid-State Battery
| Feature | Specification |
|---|---|
| Energy Density | 375 Wh/kg |
| Charge Time (15%–90%) | ~18 minutes |
| Cycle Life | Estimated >1000 full cycles |
| Temperature Range | -30°C to 80°C |
| Application | Dodge Charger Daytona (2026 demo) |
| Battery Supplier | Factorial Energy |
🔎 Deep Dive: Who Is Factorial Energy?
Factorial Energy is a U.S.-based battery startup focused on solid-state innovations. With backing from major OEMs including Mercedes-Benz, Hyundai, and Stellantis, they are rapidly advancing their FEST™ (Factorial Electrolyte System Technology) platform.
🔧 Interested in conversion tech? Don’t miss our guide on Electric Vehicle Conversion Kits.
⚡ Stellantis’ Vision: Electrification at Scale
Stellantis plans to electrify 100% of its new vehicle sales in Europe by 2030, and 50% in North America. This solid-state collaboration is a major leap toward these goals.
Their latest announcement aligns with their Dare Forward 2030 strategy, which emphasizes:
- Global EV platforms
- Gigafactory investments
- Next-gen energy storage systems
🚙 Curious about Stellantis’ roadmap? Check out our comparison of Tesla Model 3 2025 vs the Competition.
🏎️ Dodge Daytona Goes Electric – Now With Solid-State Muscle
The 2026 Dodge Charger Daytona will serve as the first demonstrator of this tech. Unlike most EVs, it promises muscle-car performance combined with futuristic efficiency.
- Estimated Range: Over 500 miles
- 0–60 mph: Under 3.5 seconds
- Battery Type: Solid-state, 800V architecture
This signals Dodge’s bold entry into performance EVs—one that doesn’t sacrifice heritage or power.
📉 Why 375 Wh/kg Matters: A Comparative Perspective
Let’s compare this battery’s specs to other popular technologies.
| Battery Type | Energy Density (Wh/kg) | Charging Time (15%–90%) | Cycle Life |
|---|---|---|---|
| Traditional Li-ion | 180–250 | 30–60 mins | ~1000 cycles |
| Tesla 4680 Cells | ~260–275 | ~25–30 mins | ~1200 cycles |
| Solid-State (Factorial) | 375 | 18 mins | >1000 cycles |
💡 What This Means for the EV Market
This tech opens the door to:
- Ultra-fast charging EVs
- Smaller batteries with more range
- Lower weight & better efficiency
- Safer, more durable battery packs
Automakers like Chevrolet, Honda, and Nissan are likely watching closely, especially as competition in the electric market intensifies.
🔌 Don’t forget to explore our feature on Best Electric Cars 2025.
🔗 Related EV Tech Innovations to Watch
| Innovation | Brand | Launch Year |
|---|---|---|
| Tesla V4 Supercharging | Tesla | 2025 |
| Honda Solid-State Battery Program | Honda | 2026 |
| BMW Blade Cell Batteries | BMW | 2025–2026 |
| GM Ultium Platform Gen 2 | General Motors | 2026 |
| CATL 500+ Wh/kg Aviation Battery | CATL | 2025 |
🧠 Expert Commentary on the Breakthrough
“Achieving 375 Wh/kg with an 18-minute charge window is a game-changer. If Factorial and Stellantis can scale this, they’ll redefine the EV power race.”
— Dr. Alan Wu, EV Battery Analyst
🧭 What’s Next? Market Implications
- Consumer Demand: Expect a spike in interest for fast-charging EVs.
- Automaker Competition: Tesla, Hyundai, and Toyota may accelerate their solid-state timelines.
- Infrastructure: Charging stations must evolve to handle ultra-fast systems (350 kW+).
🔚 Final Thoughts
This Stellantis solid-state battery breakthrough, powered by Factorial Energy, isn’t just another incremental step—it’s a technological leap that could define the next generation of electric vehicles.
With 375 Wh/kg, blazing-fast charging, and backing from a major automaker, this innovation may soon power the roads of tomorrow, starting with the 2026 Dodge Daytona.
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