
Electric marine engines are a game-changer for boating and marine enthusiasts. They offer a cleaner, quieter, and more efficient alternative to traditional gas-powered engines.
These engines can produce up to 200 horsepower, making them suitable for a wide range of boats and watercraft. They also have a lower carbon footprint, producing zero emissions and reducing noise pollution.
In terms of maintenance, electric marine engines require less upkeep compared to their gas-powered counterparts. They have fewer moving parts, which means less wear and tear, and can run for up to 50,000 hours without needing a replacement.
Their simplicity also makes them more accessible, with many models being designed for DIY installation and repair.
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Electric Marine Engine Basics
Electric marine engines come in different performance ranges, from 2 kW to 150 kW (210 HP), making them suitable for various boat sizes.
You'll need about 1-2 kW of power per tonne in displacement mode, and exponentially more in gliding mode. This means you can choose an engine that fits your boat's weight and usage.
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To power your electric inboard, you'll need an external battery, which can be a modern lithium battery or an AGM battery designed for maritime applications.
Here's a quick rundown of the different battery options:
Power Needs
Electric marine engines are a great option for boaters, but it's essential to consider your power needs before making the switch. Electric motors can provide immediate torque, which is a significant advantage over traditional gas motors.
You'll want to think about your speed needs - electric motors might not be the best choice if you need to reach high speeds quickly. However, they can provide low-speed, high-torque performance, making them ideal for cruising or fishing.
Another consideration is power consumption - electric motors require a significant amount of energy to operate, which can be a challenge for boaters who are away from shore for extended periods. But with options like solar panels or generators, you can charge your batteries on the go.
Electric marine motors are also known for their quiet operation, which can be a game-changer for early morning fishing trips or late-night cruises.
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Batteries & Accessories
Electric marine engines are a great way to reduce your carbon footprint while still enjoying the water. IP67 certified batteries, like those built for marine battery packs, can withstand harsh marine environments and are designed to last.
These batteries are also glycol cooled with a controlled heat exchanger, ensuring optimal performance and longevity. This means they can even run dry without compromising their function.
Stainless steel casings protect the batteries from corrosion and physical damage over time. This is especially important for marine use, where saltwater and other corrosive substances can be present.
If you're looking for batteries specifically designed for electric inboards, you'll find high-density LiFePO₄ battery modules available in 48-144V configurations. These modules are a great choice for electric marine engines.
If you're planning to use a shore charger, solar charger, or hybrid genset charger, you'll need an IP67 charger that can withstand the marine environment. These chargers are designed to be reliable and efficient.
Here's a quick rundown of some key accessories you might need for your electric marine engine:
- Shaft seals to prevent water from entering the engine
- Couplers to connect the propeller to the engine
- Folding props for easy storage and transport
- Smart throttles to control the engine's speed and performance
Advantages and Disadvantages

Electric marine engines have several advantages. They are quiet, clean, and very efficient. Inboard motors are also cheaper to maintain and safer than combustion engines. E-Boat engines are environmentally friendly.
The drives are located inside the boat and not at the stern. This can be both an advantage and a disadvantage. Inboards are rigidly installed, making them less prone to theft. However, they take up very little space in the interior.
Many inboards can be flanged to a Z-drive, such as an Alpha One. There are already electrical solutions for gliding boats. However, these cannot yet compete with a combustion engine in terms of price.
The cost of installation is a small disadvantage. However, the advantage of a flawless appearance without any visible engine on your boat is a significant benefit.
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Full Solutions
Electric marine engines are a game-changer for the marine sector, offering high power density and working at much lower temperatures than conventional motors.

Thanks to IPM technology, these motors are more efficient and require less maintenance, making them a great solution for boat owners.
Electric motors for catamarans provide a silent and emission-free experience, perfect for extended anchoring or overnighting without running a generator.
With electric systems in partnership with multihull designers and boat builders, you can enjoy the peace and quiet of the sea while minimizing your impact on the environment.
Electric marine engines are not just for catamarans, they're also a great option for sailors who want to get rid of the "dirty and loud" diesel engine and switch to "clean and quiet" electric propulsion.
180E Powertrain Package
The 180E Powertrain Package is a game-changer for marine enthusiasts. Electric Motors with high power density are the ideal solution for the marine sector, thanks to IPM technology.
This innovative powertrain package provides reliable performance for optimal field performance. The 180E is more than just a powerful electric outboard, it's a complete powertrain package.
Electric Motors work at much lower temperatures than conventional ones, thanks to IPM technology. This results in relative advantages in terms of efficiency.
The 180E Powertrain Package is designed to deliver exceptional results. Its electric outboard is a powerhouse that gets the job done.
High Quality Throttle Controls
When you're operating a boat, precise control is key to a safe and efficient experience. The throttle control system is a critical component of this, and we're excited to share some features that make our solution stand out.
Experience precise control with a 0-100% throttle range, giving you the flexibility to navigate a wide range of situations. The Forward, Reverse, and Neutral functionality allows for smooth transitions between modes.
The built-in Neutral position LED provides instant visual feedback, so you can stay aware of your throttle settings at all times. This is especially useful in low-light conditions or when operating in tight spaces.
The Clutch Safety System button enhances security by preventing accidental throttle engagement, giving you peace of mind while operating the boat.
Charge Anywhere
Charge Anywhere is a game-changer for boaters.
With the onboard charger, you can charge your boat from any shore outlet, whether you're in or out of the water.

The onboard charging system is designed for quick and easy charging, and it can even charge overnight using a shore outlet with a 240V/ 30A connection to a 70 kWh battery bank.
Boaters can charge anywhere, anytime, thanks to the E-Motion Powertrain System's onboard charger, which is compatible with existing shore power 120V-30A or 240V-50A.
This means you can travel freely without worrying about running out of power, as long as you have access to a shore outlet.
Boating and Marine
Electric motors for fishing boats offer a quieter experience, disturbing schools of fish and the environment less.
Installing electric motors for fishing boats is a great idea, especially for those who want to preserve the environment.
No loud motor noises mean you can enjoy the serenity of the environment without disturbing it.
Traditional petrol leisure boats consume about 12x more fuel than a family car, leaving a heavy footprint on our planet.

Electric motors for motor boats allow navigation in areas prohibited to internal combustion engines, such as marine protected areas.
Going out on a powerboat in silence, like sailing boats, is a priceless advantage that must be tried at least once in your life.
Electric yachts are one of the nautical industry's most dynamic trends, responding to the growing demand for ecological crafts.
Full Solutions
Electric motors with high power density are the ideal solution for the marine sector, thanks to IPM technology that works at much lower temperatures than conventional ones.
Electric motors for catamarans offer the pleasure of extended anchoring or overnighting without running a generator, making them a great option for those who want to spend more time on the water.
Traditional petrol leisure boats consume about 12x more fuel than a family car, leaving a heavy footprint on our planet. This highlights the need for more efficient solutions in marine transportation.

Electric motors for sailors allow them to motor out of the marina or bay in silence, then use the sun, wind, and waves to continue their journey, creating a more serene experience.
Electric yachts have become one of the nautical industry's most dynamic trends, driven by the growing demand for ecological crafts and green technologies.
Electric motors for fishing boats are a great option for those who want to preserve the environment and avoid disturbing schools of fish with loud motor noises.
By using electric marine motors, boaters can enjoy the benefits of zero exhaust emissions and a simpler, more reliable design with fewer moving parts than traditional diesel or gasoline models.
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Freshwater vs Saltwater
Some electric motors are designed for freshwater use, while others can withstand the corrosive effects of saltwater. Ensure the motor you choose is appropriate for the waters you traverse.
Freshwater environments are generally less corrosive, making them a better fit for motors with lower salt resistance. However, if you plan to spend time in saltwater, you'll need a motor that can handle the harsher conditions.
In saltwater, corrosion can be a major issue, so it's essential to choose a motor that's specifically designed to withstand the elements.
Benefits of Boating

Boating has many benefits that make it a great hobby or mode of transportation. One of the biggest advantages is the ability to enjoy the peacefulness of the water without the loudness of a traditional motor.
Electric boating is particularly quiet, producing about half as much noise as traditional gas or diesel-powered engines at cruising speed. This is especially noticeable at slow speeds, where electric motors are nearly silent.
Boat owners can also expect to save money on maintenance costs. Electric motors require much less maintenance than their gasoline counterparts, thanks to having few moving parts.
Here are some key benefits of boating:
- Environmental Friendliness: Electric motors produce zero exhaust emissions, making them clean for marine environments.
- Quiet Operation: Electric motors are about half as loud as traditional gas or diesel-powered engines at cruising speed.
- Low Maintenance Costs: Electric motors require much less maintenance than traditional gas or diesel-powered engines.
Boating History
The roots of electric boating date back to the 19th century, specifically to the Chicago World Columbian Exposition of 1893. It was there that the Electric Launch Company (Elco) made its mark by providing 55 electric launches for guests to enjoy during the exhibition.
Elco transported over a million passengers during the event, earning a reputation for its innovative and elegant yachts. This marked the beginning of electric boating as we know it today.
The 1950s saw Elco shift its focus to manufacturing electric boat motors, positioning the company as a pioneer in the industry. This move pushed the boundaries of what was possible on the water and set the stage for the electric boating revolution of today.
Take a look at this: Electric Launch Company
Technical Considerations

When choosing an electric marine engine, it's essential to consider the technical aspects of your boat. A heavy boat requires a motor with a high thrust rating to move through water effectively.
The weight of your boat, including gear and passengers, significantly influences the power requirement. Calculate the weight to determine the necessary power, as underestimating the load can lead to inadequate propulsion and motor strain.
Manufacturers typically calculate electric boat motor power in kilowatts and convert it to horsepower for easier understanding. Electric outboard motors for recreational boats may have as little as 3–5HP or as much as 50HP or more.
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Vessel Weight
Calculating the weight of your boat, including all gear and passengers, is crucial to determine its power requirement.
Underestimating the load can result in inadequate propulsion and strain on the motor.
Electric outboard motors for recreational boats may have as little as 3–5HP or as much as 50HP or more.

A heavy boat requires a lot of power to move through water, so it needs a motor with a high thrust rating.
Manufacturers typically calculate electric boat motor power in kilowatts but convert that calculation to horsepower for easier understanding.
Matching the motor's power to the boat's weight is essential for the best performance.
Things to Consider Before Switching to Propulsion
Before making any changes to your boat's propulsion, it's essential to consider several key factors.
First and foremost, you should think about the cost of switching to electric propulsion. This includes the initial investment in the new motor, as well as any ongoing expenses for maintenance and replacement parts.
A crucial consideration is the range and endurance of your boat with electric propulsion. This will depend on the size of your boat, the type of electric motor you choose, and the amount of power it consumes.
You'll also want to think about the charging infrastructure required for your electric motor. This might involve installing a charging dock or station at your home or marina, or exploring alternative charging options.
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Another important factor is the weight and balance of your boat with electric propulsion. This can affect its stability and maneuverability in the water.
Consider the type of activities you plan to use your boat for, such as cruising, fishing, or racing, and choose an electric motor that's suitable for your needs.
Initial and Ongoing Costs
Electric marine engines can be a cost-effective option in the long run, despite the initial investment. The high upfront costs of electric motors can be a barrier for some.
However, these costs can be offset by reduced maintenance and fuel costs. This means you'll save money on repairs and fuel over time.
Electric outboard motors and electric inboard motors are two types of electric marine engines that can help you save on fuel costs. They're designed to be efficient and reliable.
The initial investment for electric propulsion can be significant, but it's essential to consider the ongoing costs. This includes the cost of batteries and accessories, which can add up over time.
Here's a breakdown of the initial and ongoing costs to consider:
- Electric Outboard Motors
- Electric Inboard Motors
- Shop By Boat Type
- Electric Propulsion Batteries and Accessories
Benefits and Features

Electric marine engines offer numerous benefits and features that make them an attractive option for boat owners. One of the key advantages is improved stability, thanks to the below-deck weight distribution of batteries.
This design helps to reduce the risk of tipping, making electric boats more stable and easier to handle. You can enjoy a smoother ride and less stress on the water.
Another benefit of electric marine engines is their ability to deliver sustained output. Unlike gas-powered outboards, which can top out quickly, electric motors can provide consistent power over a longer period.
This makes them ideal for applications where sustained power is required, such as for live-aboard voyages or for boats that need to navigate through busy waterways.
Some electric marine engines also feature smart system architecture, which allows for real-time monitoring and control of the system. This can include features like app control, NMEA2000 displays, and CAN-bus throttles.

This level of integration and control can be a major advantage for boat owners, providing them with valuable insights into the performance of their engine and helping them to optimize their use of the system.
The scalability of electric marine engines is another key benefit. Many systems can be easily expanded or contracted to meet changing needs, from weekend hops to live-aboard voyages.
This flexibility makes electric marine engines a great option for boat owners who need to adapt to changing circumstances or who want to future-proof their investment.
Here are some key features of electric marine engines:
- Below-deck weight distribution for improved stability
- Liquid-cooled brushless stators for sustained output
- Smart system architecture for real-time monitoring and control
- Scalable battery banks for easy expansion or contraction
- Zero tailpipe emissions for a cleaner, more environmentally friendly option
Propulsion Choices
Electric marine engines offer a range of propulsion choices, each with its own unique characteristics. One of the most significant differences is the level of noise and vibration, with inboard electric motors producing around 55dB, while diesel/gas inboard motors can reach 85dB or more.
There are several types of electric marine motors available, including trolling and electric outboard motors. Electric outboard motors, in particular, have a relatively low install complexity, making them a popular choice for many boat owners.
Here's a comparison of some common propulsion choices:
Overall, the choice of propulsion system will depend on your specific needs and preferences.
Types of Marine
When choosing a marine propulsion system, it's essential to consider the type of motor that best suits your needs. Electric marine motors are a popular choice, and they come in various forms.
One of the most common types of electric marine motors is the trolling motor, which is perfect for slow-speed fishing and maneuvering in tight spaces.
Electric outboard motors are another common type, offering a more traditional outboard motor experience with the added benefit of electric power.
These types of motors are designed to provide efficient and quiet propulsion, making them ideal for a variety of marine applications.
Their compact size and lightweight design also make them easy to install and transport, a major advantage for boaters who need to switch between different vessels or storage locations.
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Vs. Other Propulsion Choices
When choosing a propulsion system for your boat, you've got a few options to consider. Electric propulsion is a great choice, but it's not the only one.
One of the main differences between electric inboard motors and other propulsion choices is noise and vibration levels. Electric inboard motors are relatively quiet, producing around 55 decibels, while diesel/gas inboard motors can be much louder, often exceeding 85 decibels.
Electric outboard motors and pod drives also produce relatively low noise levels, around 60 decibels and 55 decibels respectively. This can be a big advantage if you plan to use your boat in quiet areas or at night.
In terms of drag when sailing, electric inboard motors have a prop-feathering feature that reduces drag, while electric outboard motors have the propeller in the water, which can increase drag. Pod drives, on the other hand, have a flush hull that minimizes drag.
Maintenance is another important consideration. Electric outboard motors require minimal maintenance, while electric inboard motors require more frequent anode and shaft seal checks. Diesel/gas inboard motors, on the other hand, require regular fuel, oil, and impeller changes.
Here's a quick comparison of the different propulsion choices:
Outboard

Outboard motors are a popular choice for small fishing boats and other watercraft. They're designed to be quiet and efficient, making them perfect for a relaxing day on the water.
Electric outboard motors are a great option for those looking for a low-maintenance propulsion system. They're powerful and efficient, and can replace traditional outboard motors for primary propulsion.
One of the benefits of electric outboard motors is their low noise level. According to the specs, they operate at around 60dB, which is significantly quieter than traditional diesel or gas-powered inboard motors.
In comparison to other propulsion choices, electric outboard motors have a relatively low install complexity. This makes them a great option for DIY enthusiasts or those looking to upgrade their existing boat.
Here's a quick comparison of electric outboard motors with other propulsion choices:
As you can see, electric outboard motors offer a great balance of performance, efficiency, and ease of use. They're a great choice for those looking to upgrade their boat or switch to a more environmentally friendly propulsion system.
Range and Monitoring

Range and Monitoring is a crucial aspect of electric marine engines. The range of your boat refers to how far you can travel on a single battery charge.
The value of range heavily depends on the battery's capacity, the speed at which you're traveling, and the conditions on the water. This means that you'll need to consider these factors when planning your journeys.
A battery monitoring system is often included in electric boats, providing real-time data on the state of the battery when charging. This allows you to plan your trips accordingly and avoid running out of power.
Boating History and Culture
The roots of electric boating date back to the 19th century, specifically to the Chicago World Columbian Exposition of 1893.
At this historic event, the Electric Launch Company (Elco) made its mark by providing 55 electric launches that transported over a million passengers.
These boats were a resounding success and earned Elco a reputation for its innovative and elegant yachts.

Elco continued to innovate, shifting its focus to manufacturing electric boat motors in the 1950s, a move that positioned the company as a pioneer in the industry.
This shift set the stage for the electric boating revolution of today, laying the groundwork for the advancements we see in electric marine engines.
World-Class Brands
Volvo Penta is a leading manufacturer of electric marine engines, offering a range of propulsion systems that are designed to meet the needs of various applications.
Their electric propulsion systems are based on advanced technology and are known for their reliability, efficiency, and sustainability.
Volvo Penta's electric marine engines are designed to be quiet and produce zero emissions, making them an attractive option for environmentally conscious boat owners.
Their engines are also highly efficient, with some models offering up to 30% more efficiency than traditional diesel engines.
Boat owners can expect to save on fuel costs and reduce their carbon footprint with Volvo Penta's electric marine engines.
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The company's commitment to innovation and sustainability has earned it a reputation as a world-class brand in the marine industry.
Volvo Penta's electric marine engines are designed to be durable and long-lasting, with some models lasting up to 20 years or more with proper maintenance.
Their engines are also designed to be easy to maintain and repair, with many components being easily accessible and replaceable.
Frequently Asked Questions
What is the most powerful electric marine engine?
The Evoy Storm is the world's most powerful electric marine engine, delivering 300hp and reaching speeds of over 50 knots. Powered by a high-voltage 800V system and two 63kWh batteries, it sets a new standard for electric outboard motors.
How long will an electric boat motor run?
Running time for an electric boat motor varies from 80 minutes at slow speeds to 40 minutes at full throttle, depending on the speed and other factors
Is anyone making an electric outboard motor?
Yes, electric outboard motors are available, with companies like Elco offering compact, reliable, and efficient designs that utilize advanced battery technology. Learn more about these innovative motors and their benefits for boaters.
Sources
- https://greenboatsolutions.com/shop/motor/inboard-motor
- https://e-comer.com/en/landing-page-marine-en.html
- https://www.elcomotoryachts.com/a-quick-guide-to-electric-boat-motors-what-to-know/
- https://www.crabzz.com/collections/electric-inboard-boat-motors
- https://visionmarinetechnologies.com/e-motion-180e/
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