01
Road trips
The best routes rarely follow the charging map. RESERVE covers the miles between where you are and the next working charger.
The reserve tank for the electric age
A reserve for
the road ahead.
RESERVE is a modular, portable energy system that extends your EV’s range when you need it most.
Portable · Modular · More Miles Ahead
Between charging stops
Extra energy when your
next charger is out of reach.
A charging stop can be unavailable, or a detour can use more energy than planned. Check your remaining range and identify a working charger before continuing.
RESERVE carries stored energy for a compatible EV to help cover the distance to charging. It adds reserve range, rather than replacing a full recharge.
Meet RESERVE
Meet RESERVE.
A portable, modular reserve-energy system designed for real life.
Compact enough to travel with you. Powerful enough to help restore meaningful driving range. Designed to be ready when fixed charging is out of reach.
PortableModularFastBuilt for real life
See the steps →
Modular reserve-energy architectureKey specifications
- Usable energy
- ~4–6 kWh
- Added range
- ~10–25 mi
- DC output
- ~10–20 kW
How it works
Portable energy, step by step.
Check your range, connect RESERVE, transfer energy and continue to charging.
Engineered to adapt
Modular by design.
Scale your power. Your way.
01 Control unit02 Battery Module A03 Battery Module B
- Easier handling
- Serviceability
- Replaceable modules
- Rental readiness
- Future scalability
Real-world scenarios
Built for the miles that matter.
Three situations RESERVE is being engineered for — each with its own demands.
02
Remote travel
Where infrastructure thins out, a portable reserve turns a calculated risk into a planned margin.
03
Fleet & roadside operations
For vehicles that cannot afford to stop, reserve energy is an operational tool — built for fleets and roadside services.
FAQ
FAQ
Answers to common questions about RESERVE.
What is RESERVE?+
RESERVE is a portable reserve-energy system for electric vehicles. It restores enough usable energy to get you to conventional charging infrastructure.
How much range does RESERVE add?+
Between 10 and 25 added miles, depending on the vehicle, conditions and transfer losses.
Which vehicles does RESERVE support?+
RESERVE supports a carefully selected set of North American electric vehicles, with compatibility expanding over time.
Does RESERVE work with NACS / J3400?+
NACS / J3400 is the primary interface. The supported vehicle list is published with each compatibility update.
How heavy is RESERVE?+
The modular architecture keeps individual modules easier to handle than one large battery enclosure.
How do I recharge RESERVE?+
RESERVE recharges from compatible fixed charging equipment between trips.
Can I rent RESERVE?+
Yes — RESERVE GO is the rental experience for drivers who want backup energy for a trip without owning the hardware.
How do I get RESERVE?+
Join the waitlist for access updates and early opportunities.
Is RESERVE safe?+
Every engineering decision starts with one question: what happens if something goes wrong? RESERVE is built around battery management, thermal controls and a rugged enclosure.
Where does RESERVE launch first?+
Waitlist interest helps decide where early access opens first — tell us your city.
A cleaner tomorrow
A cleaner,
more connected
tomorrow.
Join the waitlist for early access and launch news.