Engineered for Class 8 trucks and other demanding commercial applications, the new form factor expands Proterra's reliable battery technology portfolio, setting performance benchmarks in heavy-duty transportation electrification.
The H2-23 battery pack is Proterra’s most energy-dense battery pack with a gravimetric density of 176 Wh/kg and volumetric density of 270 Wh/L, enabling a 750kWh energy system for Class 8 applications and up to 2MWh of total system energy. Engineered to power and transform heavy-duty trucks, it provides an optimal balance of range, durability, and performance. In addition, the H2-23 battery pack comes with software compliant to SAE J1939 and ISO26262, enhanced with improved security features. Designed to exceed the industry's most rigorous safety standards, the H2-23 underscores Proterra’s commitment to sustainability, American innovation, and advanced manufacturing at scale.
"The new H2-23 battery pack represents more than just a technological advancement — it embodies our renewed focus on powering the shift to a sustainable future," said Claire McConnell, Chief Business Officer at Proterra. "We've created a solution that delivers unparalleled performance even in the most challenging conditions. Every mile driven with our technology helps bring our customers closer to their zero-emission goals."
Debuting at the ACT Expo, this new battery technology will be showcased in multiple OEM vehicles and booths throughout the show, giving attendees a firsthand look at our latest innovation.
Alongside the H2-23 launch, Proterra is unveiling the Proterra Onyx Series that will include its H- and S-Series platforms.
- Onyx Slate: Single-layer battery configurations optimized for longer, larger commercial vehicles, offering flexible installation below or within frame rails, as well as roof-mounted options.
- Onyx Strata: Compact battery configurations designed to maximize energy storage in tight spaces, seamlessly integrating into both on- and off-highway applications.
Helping customers achieve their zero-emission goals, Proterra remains a leader in battery reliability and safety, driving new standards for performance and durability in the heavy-duty transportation and industrial EV sectors. With the H2-23 and the Onyx Series, Proterra continues to set new benchmarks in sustainable, high-performance energy solutions, ensuring commercial vehicles can transition to zero emissions without sacrificing power, efficiency, or durability.
About Proterra:
Proterra is the proven electrification partner for heavy-duty transportation and equipment manufacturers, enabling the shift to zero-emission products. By providing innovative battery solutions that perform in the toughest environments, we power our customers to build a safe and sustainable future. Proterra products are proudly designed, engineered, and assembled in America, with offices in Silicon Valley and South Carolina.
For more information, please visit www.proterra.com.
