Proterra Powered has introduced its H2-23 battery pack as part of the Company’s new Onyx Strata series. Engineered for Class 8 trucks and other demanding 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 750 kWh energy system for Class 8 applications and up to 2 MWh of total system energy.

The H2-23 battery pack comes with software compliant to SAE J1939 and ISO26262, enhanced with improved security features.

Alongside the H2-23 launch, Proterra unveiled 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.