Proterra unveils new battery pack for heavy-duty truck applications

ANAHEIM, California—Proterra has announced the debut of its H2-23 battery pack as part of the company’s new Onyx Strata Series at ACT Expo. Engineered for Class 8 trucks and other commercial applications, the new form factor expands Proterra's battery technology portfolio.

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 a balance of range, durability, and performance. Additionally, the H2-23 battery pack is equipped with software that is compliant with SAE J1939 and ISO26262, as well as enhanced security features. 

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"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," Claire McConnell, chief business officer at Proterra, said. "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."

Additionally, Proterra is unveiling its Onyx Series, which will include platforms from both its H- and S-Series.

• 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.