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Volt Vault™

Still waiting on long-term charging infrastructure to be installed? Need EV charging in remote locations? Or, do you want a backup EV charging solution for the "just-in-case" scenarios Volt Vault™, our patent-pending EV charger, is here to support your fleet with easy, reliable charging where and when you need it.

Image of an electric delivery van charging with U.S. Energy's Volt Vault EV charging unit

Maximum EV Charging Flexibility: Unlocked

Don’t get locked in by the electrical grid. Volt Vault provides the EV charging flexibility you need. Unlike traditional infrastructure that can take 9-24 months to install, Volt Vault can be at your site and ready to charge in just four months: including manufacturing, commissioning, and permitting.

Hear What Our Customers Have to Say

“Originally, we planned to have Level 2 chargers for our testing. However, due to utility provider delays, our installation timeline was delayed to the point this project might have no longer been possible. That’s when we learned about Volt Vault. Just a short five weeks from our first conversation with U.S. Energy, we had a charging unit and a CNG fuel tube trailer onsite and operational.” 
– John Fairbanks, Founder & CEO of PRŪV Mobility

99%
Charging uptime and reliability
11
States with a deployed
Volt Vault unit
275 MWh
Produced onsite per Volt Vault annually

Find the Volt Vault That’s Right for You.

Volt Vault Classic Models

Volt Vault Lite Model

Charging Fleets from Coast to Coast

New to Fleet Electrification? Here are Resources to Help.

Level 2 Volt Vault charging unit that's situated on a trailer to facilitate ease of movement between locations

Charge Your Fleet with Volt Vault

Whether you’re seeking charging resilience, waiting on your utility, or don’t own your property, this could be the solution you’ve been looking for to streamline your EV adoption. Reach out to learn how you can get started.