Who We Are

Patented power electronics technology that enhances the efficiency and cost-effectiveness of electric vehicles. By expanding the capabilities of electric motors and batteries, we enable commercial trucks and passenger vehicles to be more affordable, scalable, and efficient.

mission

Utilize minimum energy with maximum results to expand the boundaries of control in e-mobility and energy storage.

vision

Create the most innovative power controls company that leads the transition to a sustainable electrified world.

Key Partners

LinamarLinamarSEA ElectricVicinity Motor CorpevTSPotencia IndustrialTSA
LinamarLinamarSEA ElectricVicinity Motor CorpevTSPotencia IndustrialTSA
LinamarLinamarSEA ElectricVicinity Motor CorpevTSPotencia IndustrialTSA
Linamar
Linamar
SEA Electric
Vicinity Motor Corp
evTS
Potencia Industrial
2022 Edison Best New Product Awards™ in manufacturing, logistics and transportation
'2022 Engine Tech Innovation of the Year' winner at AutoTech's 2022 Breakthrough Awards
Winner of 2022 'Illumination Award for Business Innovation' from NEMA
2024 Automotive News PACEpilot Innovation to Watch award
2023 Innovation in Hydrogen and Alternative Energies

Awards

Board of Directors

Rod Copes

Chairman

Sue Ozdemir

Chief Executive Officer

Frank Simpkins

Director

Aleksandra Miziolek

Director

John MacLeod

Director

Nancy Gioia

Director

Management Team

Sue Ozdemir

Chief Executive Officer

Eric Hustedt

Chief Technology Officer

Darrell Bishop

Chief Financial Officer

Exro Coil Driver®

The Exro Coil Driver® is an adaptive electric vehicle traction inverter that seamlessly enables two operating modes in a single electric motor, mitigating the conventional compromise between low-speed torque and high-speed power and efficiency. The Exro Coil Driver® leverages patented coil switching technology to boost torque at low speeds and improve power and efficiency at high speeds.

Higher Efficiency
Higher Power at High-Speed
Higher Torque at Low-Speed
Integrated AC Fast Charging Capability
400V / 800V DC Fast Charging Capability
More Range
Improved Highway Performance
Better Gradeability and Payload
Cost-Effective High-Rate Charging without an OBC or expensive infrastructure
Future Proofing and Compatibility without Increasing System Cost

The Exro Coil Driver® also includes integrated charging capability, allowing for AC fast charging, as well as DC fast charging at both 400V and 800V without the need for an On-Board Charger or upgrades to battery architecture and components.

Select mode to compare the same motor connected to a standard 3-phase drive vs Exro Coil Driver™:

check skyblue icon with transparent background
Standard 3-phase drive
Exro – Series mode
Exro – Parallel mode
Exro – System output

Higher torque at low-speed

Exro Coil Driver® Difference

AC/DC inversion and rectification
Two modes in a single motor
Expanded torque envelop
Enhanced motor efficient operating area and reduced total losses (Extended vehicle range*)
Improved peak and continuous power
Improved starting torque and higher sustained torque at high speeds
Integrated AC charging function directly through the inverter
Ability to reduce / remove heavy rare earth metals from the motor
Ability to reduce battery pack size while maintaining same vehicle range
Ability to charge at 400V AND 800V through the inverter
Coil Driver™ (400V/800V)
Standard 3-Phase Drive
(400V/800V)

SEA-Drive® E-Propulsion System

SEA-Drive® is Exro’s complete electric power system solution, tailor-made to seamlessly adapt to an extensive range of trucks and commercial vehicles, enabling the swift and efficient electrification of the entire spectrum from light to heavy-duty. With SEA-Drive®, manufacturers and OEMs gain access to a scalable, high-performance solution that provides best-in-class range, load capacity, and total cost of ownership.

3.8+ million real-world miles logged and counting!
Engineered and proven for commercial electric vehicle segment
Built on proprietary vehicle control software and right-sized architecture
Trusted by blue-chip OEMs

SEA-Drive® Power System Components

SEA-Drive® Battery

The SEA-Drive® battery system delivers unparalleled efficiency with its lightweight and thermally optimized design, offering significant range that is custom-tailored for each application.

Battery
  • Thermal management innovation: Eliminates the need for active thermal management, operating efficiently without liquid cooling.
  • Extensive temperature range: Ensures reliable performance in environments from -4°F to 122°F (-20°C to 50°C), removing the necessity for additional battery heating or cooling.
  • Electronic C-rate optimization: Electronically controls battery usage rates to keep performance optimal, allowing for a reduced radiator size and improved battery efficiency.
  • Medium-voltage NMC batteries: Employs NMC technology optimized for a 388V to 450V range, enhancing temperature control and operational efficiency.
  • Mid-mounted for balance: Strategically positions batteries to mirror the balance of conventional engines, enhancing handling and reducing side-impact risks.
  • Lightweight for efficiency: Focuses on a lightweight design to boost vehicle performance and extend range without sacrificing power.
SEA-Drive® Motor

The SEA-Drive® system's electric motors are meticulously sourced to meet the rigorous demands of commercial vehicle applications, optimizing size, weight, and power through advanced power electronics for superior control and efficiency.

Motor
  • Intelligent control: Utilizes our Coil Driver™ technology to enable two distinct operating modes in a single electric motor, providing improved efficiency, torque, and power.
  • Motor type agnostic: Our SEA Drive power system, including the patented VCU and Coil Driver™ traction inverter, is compatible with a wide range of motor types, offering flexibility in motor selection.
  • Optimized performance: By intelligently managing motor behavior, we can often utilize a smaller, lighter motor without compromising on performance, contributing to extended vehicle range.
  • Reduced rare earth dependency: Our optimization techniques allow for a reduced reliance on rare earth magnets, enhancing the sustainability of our motors by either minimizing permanent magnet usage or elevating the performance of induction machines to achieve comparable results without utilization of rare earth metals.
Coil Driver™ Traction Inverter

The Coil Driver™ Traction Inverter is a cornerstone of the Exro SEA-Drive® system, offering unparalleled flexibility and efficiency by seamlessly integrating two distinct operating modes within a single electric motor, effectively serving as an electronic alternative to mechanical gearboxes.

Learn more
Traction Inverter
  • Electronic gearing: Eliminates the need for mechanical 2-speed gearboxes by providing two modes in a single electric motor, simplifying the drivetrain and reducing weight.
  • Improved performance: Overcomes the traditional trade-off between low-speed torque and high-speed efficiency, ensuring superior vehicle performance across a broad speed range.
  • Enhanced vehicle range: By intelligently switching to parallel mode at higher speeds, the Coil Driver™ substantially increases the motor's efficient operating range, resulting in notable range improvements on the highway where it's most needed for commercial trucks.
  • System-level savings: The efficiency gains from the Coil Driver™ can lead to the downsizing of motors and batteries without sacrificing performance, translating into significant cost and weight savings across the system.
  • Integrated AC Charging: Incorporates an AC charging capability directly within the Coil Driver™, eliminating the need for a separate on-board charger and enabling higher AC charging rates. This innovation reduces reliance on costly DC charging infrastructure and streamlines the vehicle's electrical architecture.
SEA-Drive® VCU

The SEA-Drive® VCU, our patented Vehicle Control Unit, acts as the brain of our electric vehicle ecosystem, orchestrating over 20 vital functions to ensure unmatched performance and seamless integration. This advanced system not only enhances the driving experience with intuitive dashboard insights but also boasts a flexible 'octopus' software architecture, allowing for straightforward upgrades and component adaptability, all backed by over 3 million miles of proven reliability.

VCU
  • Centralized control: Oversees crucial functions, including motor and battery management and auxiliary systems.
  • Intuitive driver interface: Feeds essential operational data directly to the dashboard.
  • Software flexibility: Unique 'octopus' architecture allows for easy component updates and software upgrades.
  • Proven efficacy: Backed by over 3 million miles of real-world data, ensuring reliability.
  • Future-proof design: Ensures system adaptability to future technological advances.
  • Accelerated electrification: Our VCU's adaptability to various components and ease of software updates significantly speeds up OEMs' time to market, overcoming common software and power electronics challenges in electrification.
On-Board Charger

The SEA-Drive® system's on-board charger is engineered for accessibility and compatibility, supporting SAE J1772 standards with charging rates up to 19.2kW. As we innovate towards a more integrated and efficient future where charging is done directly through the Coil Driver™ traction inverter, here are the current features:

On-Board Charger
  • SAE J1772 compatibility: Ensures broad accessibility and up to 19.2kW charging rates for efficient power replenishment.
  • Future integration: Plan to integrate the advanced Coil Driver™ charging feature and aim to enhance charging rates while eliminating the need for a separate on-board charger.
  • Optional fast charging: Offers fast charging capabilities through CCS Type 1, Level 3, DC fast charging up to 100 kW, catering to the need for rapid recharge.
Additional SEA-Drive® Power System Components

At Exro, we provide a comprehensive suite of components essential for vehicle electrification, underscored by our deep expertise in power electronics and advanced software control technologies. Our approach ensures seamless integration and harmonious operation across all system components, optimizing efficiency and vehicle performance. Here's how we ensure system-wide harmony and efficiency:

Additional Components
  • Complete electrification solution: We offer every necessary component to electrify a vehicle, from DC/DC converters for auxiliary power systems to motor control solutions, ensuring a one-stop shop for OEMs.
  • Expertise in power electronics: Our deep-rooted knowledge in power electronics and software control ensures all components work together efficiently, maximizing system performance.
  • System-level optimization: We adopt a holistic perspective on power system management, ensuring each component utilizes battery power optimally, reducing unnecessary energy expenditure and enhancing vehicle range.
  • Intelligent component operation: Our system intelligently controls operations such as radiator cooling, activating them only when needed, unlike conventional systems that run continuously. This strategic operation minimizes power losses and contributes to improved vehicle efficiency.

Why Exro SEA-Drive® Power System?

01
Minimize Total Cost of Ownership
02
Increase Payload Capacity
03
Maximize Efficiency and Range
04
Access Solutions Validated by Leading OEMs
05
Leverage Power Electronics Expertise

Validation by Blue-Chip OEMs

The SEA Drive® power system, a full electrification solution, is trusted and implemented in vehicles by industry leaders like Mack and Hino, showcasing our solution's wide-ranging OEM validation. While OEMs excel in vehicle manufacturing, the transition to electrification presents unique challenges, particularly in the realm of power electronics. Exro fills this critical gap, offering advanced power control solutions and unparalleled expertise in power electronics to enable efficient, cost-effective electrification of commercial vehicles.

Backed by 60+ patents & 3+ million miles of real-world operation

Coil Driver™ System and Cost Optimization

Rare Earth Magnets
Ability to reduce / eliminate heavy rare earth metals from the electric motor.
Charging Cost & Complexity
AC fast charging, elimination of on-board chargers (OBC), and simplified charging infrastructure.
Motor Size
Ability to reduce motor stack length to improve efficiency while maintaining performance.
Thermal Generation
Reduce system losses and heat generation, optimizing thermal management and efficiency.
Battery Size
Ability to right-size / downsize the battery while achieving the required application range.
Mechanical Gearboxes
Eliminate heavy and costly mechanical 2-speed gearboxes.

Exro Cell Driver™

The Cell Driver™ is a fully integrated battery energy storage system (BESS) designed to optimize performance and reduce costs for stationary commercial and industrial energy storage applications. Equipped with Exro’s proprietary Battery Control System™ (BCS), the Cell Driver™ offers maximized cell safety, capacity, and lifetime. Enabling businesses to efficiently control their power usage, lower electricity expenses, and improve energy reliability.

Table of Tests and Certifications:

Safety
ANSI/CAN/UL UL9540 Ed. 2 – 2020, UL1741 Ed. 3 – 2023, UL9540A Ed. 4 – 2020, CSA 22.2 No 107.1 – 2016, UL1998 Ed. 3 – 2022, UL1973 Ed. 3 – 2022
Grid Interoperability
UL1741-SA, UL1741-SB, IEEE1547-2018, IEEE1547.1-2020, HECO Rule 14H, California Electrical Rule 21, ISO New England
EMC (Electromagnetic Compatibility)
IEEE C37.90.2-2004, IEEE 62.41.2-2002, IEEE 62.45-2002, IEEE C37.90.1-2012

Key Highlights

Certified Safety
Successfully passed UL95404 thermal runaway tests, proving robust fire containment within the module design.
Market-Ready:
With ETL certification secured, the Cell Driver™ is now fully de-risked and ready for deployment across commercial and industrial sectors.
Proven Performance:
Operated in real-world conditions for over a year, demonstrating unmatched safety, reliability, and efficiency.

Click to discover the impact of Cell Driver™ on electricity consumption:

Super Off-Peak
Off-Peak
On-Peak
Refresh
Cell Driver™ strategically charges during super off-peak times, increasing net demand when energy costs are at their lowest.
When energy and demand costs are at their highest, Cell Driver™ boosts discharge to cut net demand, then modulates to maintain an optimized peak until SOC reaches zero.
Peak demand before ESS
Peak demand after ESS

Disclaimer: The depicted load profile and energy storage impact reflect a real-world example specific to San Diego as of May 2023, simulated on Energy Tool Base. Results may vary based on location and individual building parameters. Electricity rates and cost calculations are determined by the current utility rate schedule. For accurate rates, please consult your local utility provider.

90kW/192kWh Commercial and Industrial Energy Storage

Maximize Safety

Dynamic Micro-Protection Mechanism

The Exro Cell Driver™ utilizes advanced protection functions for current, temperature, and voltage, delivering unparalleled safety for ESS operation and minimizing the risk of cell-level thermal runaway. This enables the system to electronically isolate defective cells without impacting system operation.

Active cell balancing across the system enables the control of charged and discharged energy based on the cell’s State-of-Charge (SoC) and State-of-Health (SoH) while matching power demand and power quality. This leads to improved safety, performance,  and overall system capacity.

Temperature
Defective cell
Active cells
Isolated cells
Maximize Capacity

Next-Generation Active Cell Balancing

The Exro Cell Driver™ introduces an innovative topology for active cell balancing, expertly driving each cell with AC and dynamically adjusting the amperage per second based on the cell's state of charge (SoC) and state of health (SoH). The result is consistently balanced cells and superior matching of power demand and power quality.

During repeated charging and discharging, battery cells can display varying characteristics, leading to overcharging or undercharging of some cells. This affects overall capacity, efficiency, and may cause damage or thermal runaway events. The Exro Cell Driver™ offers a dynamic solution by charging cells based on their health, enhancing the capacity, efficiency, and safety of energy storage systems.

Standard ESS charging/discharging
Exro active cell balancing
Battery pack charging
Battery pack discharging
Maximize lifetime

First and Second-Life Battery Technology

The enhanced control allows the system to increase the lifespan of first-life batteries as well as repurpose second-life EV batteries, prolonging the useful life of rare earth minerals and reducing the environmental impact of electrification.

Unlock the untapped potential of second-life EV batteries by integrating them into Energy Storage Systems (ESS). This innovative repurposing not only dramatically reduces environmental impact by extending battery life cycles but also substantially cuts ESS costs.

Exro Humvee – Demonstration Vehicle

The Exro Humvee is a demonstration vehicle designed to showcase the exceptional power and performance of Exro's Coil Driver™ technology. This electric conversion of a diesel Humvee delivers a 650% increase in power and a 936% increase in torque, all achieved through advanced power electronics without the need for a mechanical gearbox.

Peak Power:  900 kW
Peak Torque:  4,070 Nm

Exro SEA 5e

The ultimate commercial electric vehicle - proven to minimize costs, increase payload, and maximize range. Introducing the SEA 5e (MY2025), a Class 5 commercial electric vehicle assembled in the USA with patented SEA-Drive® technology and built on the Hino G5 rolling cab chassis.

We are excited to showcase the next-generation of Exro SEA 5e and Mack MD Electric – including the Exro patented Coil Driver™ traction inverter!

Powered by proven propulsion technology
with over 3.8+ million miles logged.
Right-sized and tailored for the medium-duty sector.
Mid-mounted batteries for optimized safety and weight distribution.
19.2kW AC / L2 charging without the need
for expensive charging infrastructure.
DC fast charging up to 80kW minimizes downtime for en route or opportunity charging.
Low-cab-forward (LCF) design for ease of entry and greater visibility.

Class 6 electric commercial vehicle equipped with the Exro SEA-Drive® electric propulsion system, delivering enhanced performance, efficiency, and reduced total cost of ownership.

Mack MD Powered by SEA-Drive®

We are excited to showcase the next-generation of Mack MD Electric – including the Exro patented Coil Driver™ traction inverter!

Other Vehicles Powered by Exro

With hundreds of vehicles powered by SEA-Drive® accumulating over
3,822,401

real-world miles, we have demonstrated class-leading efficiency and performance across a wide range of applications and duty cycles.

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Exro Humvee
Exro ATV
Refueler
Exro Motorcycle
Hydrant
SEA 5e
Giaffone
Type C School Bus
Mack MD
Exro Humvee
Demonstration Vehicle
Exro ATV
Demonstration Vehicle
Refueler
Partnership with AirBP
Exro Motorcycle
Demonstration Vehicle
Hydrant
Partnership with AirBP
SEA 5e
Built on Hino G5 Chassis
Giaffone
Electric Truck
Type C School Bus
Repowered
Mack MD
Electric