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Battery Comparison

Find the Proterra battery that meets your design and performance requirements.

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Batteries

Onyx Slate

A traditional battery configuration designed for larger commercial vehicles

Onyx Strata

Engineered for tight spaces where space is limited but the need for energy is high

Battery Selection Tool

Looking to find the right battery for your application? Use Proterra's Battery Selection Tool.

Integration

Technology Integrators

Proterra partnership drives everything from vehicle design to ongoing support

Aftermarket Parts & Service

Battery Parts & Service

From aftermarket battery packs to repair services and hands-on technical training, Proterra delivers the parts, support, and expertise your team needs to maximize uptime.

All Applications

See all the ways Proterra batteries are powering the shift to zero emissions

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On-Highway

Heavy-Duty Trucks

Energy-dense batteries for superior performance and long-haul reliability

School Buses

Innovative design and optimal power for safe, dependable performance

Commercial Transit

Scalable solutions that deliver high-mileage, high-efficiency operation

Medium-Duty Vehicles

Consistent power and clean energy for lower emissions and healthier communities

Off-Highway & Specialty

Specialty Vehicles

Reliable performance keeps critical vehicles ready to respond when needed

Off-Highway Equipment

Long-lasting power and rugged durability for the most demanding environments

Port Equipment

We're electrifying the backbone of global trade: from cranes and yard tractors to container handling equipment at ports and terminals.

Marine

Powering the shift to zero-emission vessels: ferries, tugboats, and workboats navigating our waterways.

Mining & Quarry

We're transforming one of the most demanding industrial environments: mining and quarry operations.

Construction

We're electrifying the equipment that builds our infrastructure: excavators, loaders, and heavy machinery on job sites.

Rail

We're helping decarbonize one of the backbones of freight and transit: rail.

Defense

We're powering the next generation of tactical and support vehicles for defense applications.

Integrators & Technology Partners

Technology Integrators

Complete your electric powertrain package with a proven battery partner

Careers

See what drives us and search current job openings

Learn More

About Proterra

Mission & Vision

Why we exist and what we’re working to accomplish

Innovation & Technology

Advanced solutions developed by battery engineering experts

Locations & Leadership

Coast-to-coast presence. Perfectly positioned to power the shift.

FAQs

Do you have a question on technology, electrification or about Proterra? Proterra has comprehensive FAQs to answer.

All Topics Blogs FAQs

FAQs

FAQs on Port Equipment

Proterra Team

September 25, 2026

FAQs

FAQs on Commercial Vehicle Electrification

Proterra Team

July 15, 2026

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Power Your Vehicle

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