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SEA-Drive® | E-Propulsion System

Complete Electric Power System for Commercial Vehicles

Minimize Total Cost of Ownership

Increase Payload Capacity

Maximize Efficiency and Range

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SEA-Drive® Power 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.

SEA-Drive® Total Global Mileage:
3061,098

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 -18°C to 60°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.

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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

SEA-Drive® OEM Collaborations

Exro holds a Tier 1 partnership with Mack Trucks for the supply of our proprietary SEA-Drive® power-system for the Mack Class 6 and 7 MD electric trucks, and a partnership with Hino Motor Sales USA for the SEA-Drive® power-system to be fitted to the Hino M series trucks.

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Mack MD Electric

Looking for Next Generation E-Propulsion System?

SEA-Drive® Power System Architecture Animation

SEA-Drive® 70 Power System

Exro leads in the electrification of commercial vehicles, delivering advanced power electronics that enhance efficiency, performance, and total cost of ownership for Class 2b and 3 vehicles. Supported by more than 60 patents, our SEA-Drive® 70 power system, incorporating the Coil Driver™ technology and SEA-Drive® VCU, position us as a key technology partner for OEMs. We equip OEMs with the essential components for electrification, focusing on powering vehicles while integrating seamlessly with their chassis and cab designs.

Class 2b and 3

SEA-Drive® 70 Power System

Exro’s SEA-Drive® 70 power system, delivering 75kW peak power and 700Nm peak torque, is engineered for Class 2b to 3 vehicles. Equipped with an 88kWh battery pack, it ensures a leading range of up to 305 km (190 miles), redefining the standard for efficiency and performance.

Key Features Unique to Exro’s SEA-Drive® Power System

01
Patented Traction Motor Control Technology
  • Enables two modes in a single electric motor. (Electronic gearing)
  • Introduces next-generation AC fast charging. (Removes the need for an OBC)
02
Patented Vehicle Control Unit Technology
  • Proprietary software designed for unparalleled flexibility and adaptability.
  • Backed by over 3 million miles of real-world data, ensuring reliability.
03
Power Electronic Expertise
  • Comprehensive understanding of power electronics interactions and a holistic approach to vehicle electrification.
  • Over 25 years of experience within Exro in design and manufacturing of power modules.
SEA-Drive® 120 Power System

Exro is at the forefront of commercial vehicle electrification, offering power electronics solutions that redefine efficiency, performance, and total cost of ownership for Class 3 to 7 vehicles. Backed by over 60 patents, our SEA-Drive® 120a/b power systems, featuring the innovative Coil Driver™ and SEA-Drive® VCU, position us as a key technology partner for OEMs. We equip OEMs with the essential components for electrification, focusing on powering vehicles while integrating seamlessly with their chassis and cab designs.

Class 3 to 7

SEA-Drive® 120a Power System

SEA-Drive® 120a

Exro’s SEA-Drive® 120a power system, delivering 125kW peak power and 1,500Nm peak torque, is engineered for Class 3 to 5 vehicles, marking a new era in commercial vehicle electrification.

Equipped with a 138kWh battery pack, it ensures a leading range of up to 305 km (190 miles), redefining the standard for efficiency and performance.

SEA-Drive® 120b Power System

SEA-Drive® 120b

Exro’s SEA-Drive® 120b power system, delivering 250kW peak power and 3,500Nm peak torque, is engineered for Class 5 to 7 vehicles, marking a new era in commercial vehicle electrification.

Equipped with a 138kWh battery pack, it ensures a leading range of up to 275 km (170 miles), redefining the standard for efficiency and performance.

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Key Features Unique to Exro’s SEA-Drive® Power System

01
Patented Traction Motor Control Technology
  • Enables two modes in a single electric motor. (Electronic gearing)
  • Introduces next-generation AC fast charging. (Removes the need for an OBC)
02
Patented Vehicle Control Unit Technology
  • Proprietary software designed for unparalleled flexibility and adaptability.
  • Backed by over 3 million miles of real-world data, ensuring reliability.
03
Power Electronic Expertise
  • Comprehensive understanding of power electronics interactions and a holistic approach to vehicle electrification.
  • Over 25 years of experience within Exro in design and manufacturing of power modules.
SEA-Drive® 180 Power System

Exro is at the forefront of commercial vehicle electrification, offering power electronics solutions that redefine efficiency, performance, and TCO for Class 6 to 8 vehicles. Backed by over 60 patents, our SEA-Drive® 180a/b power systems, featuring the innovative Coil Driver™ and SEA-Drive® VCU, position us as a key technology partner for OEMs. We equip OEMs with the essential components for electrification, focusing on powering vehicles while integrating seamlessly with their chassis and cab designs, underscoring our identity as a premier technology provider in the electrification ecosystem.

Class 6 to 8

SEA-Drive® 180a Power System

SEA-Drive® 180a

Exro’s SEA-Drive® 180a power system, delivering 250kW peak power and 2,500Nm peak torque, is engineered for Class 6 to 8 vehicles, marking a new era in commercial vehicle electrification.

Equipped with a 220kWh battery pack, it ensures a leading range of up to 260 km (160 miles), redefining the standard for efficiency and performance.

SEA-Drive® 180b Power System

SEA-Drive® 180b

Exro’s SEA-Drive® 180b power system, delivering 350kW peak power and 3,500Nm peak torque, is engineered for Class 6 to 8 vehicles, marking a new era in commercial vehicle electrification.

Equipped with a 220kWh battery pack, it ensures a leading range of up to 225 km (140 miles), redefining the standard for efficiency and performance.

Key Features Unique to Exro’s SEA-Drive® Power System

01
Patented Traction Motor Control Technology
  • Enables two modes in a single electric motor. (Electronic gearing)
  • Introduces next-generation AC fast charging. (Removes the need for an OBC)
02
Patented Vehicle Control Unit Technology
  • Proprietary software designed for unparalleled flexibility and adaptability.
  • Backed by over 3 million miles of real-world data, ensuring reliability.
03
Power Electronic Expertise
  • Comprehensive understanding of power electronics interactions and a holistic approach to vehicle electrification.
  • Over 25 years of experience within Exro in design and manufacturing of power modules.

Vehicles Powered by SEA-Drive®

With hundreds of vehicles powered by SEA-Drive® accumulating over

3,061,098

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

Garbage / Refuse EV - Rear Compactor
Garbage / Refuse EV - Side Loader
Delivery Truck EV - Dry Box
Curtain Side Truck
Reefer Truck
Dump / Tipper Truck
Cherry Picker / Boom Truck
Tilt / Tray Truck
Step Van
Type C School Bus
4x4 Truck for Mining Application

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