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MG offers energy storage systems for small boats up to super yachts with hybrid or electric propulsion. Cruise sustainably in silence.

Marine energy storage

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MG provides high-end products for off-grid / solar energy storage systems. Think portable power and sustainable self-consumption.

Solar and Off-grid storage

MG Energy Systems / innovation in energy storage

High-end battery systems

MG specializes in high-end battery system solutions, featuring innovative technologies for optimal performance, ideal for full-electric and hybrid marine propulsion systems, off-grid and mobile industrial or automotive applications.

Racing & development

It’s our passion to push boundaries, break records and keep searching for new solutions. That’s why we built the world’s best performing solar boat and explore the frontiers of innovation in electrical energy. It’s key to a sustainable future.


Hybrid propulsion
Full-electric propulsion



Energy storage / Key features


High safety: thermal runaway supression capability.


High energy density: more energy in less weight.


Modular design: scalable up to 1000 VDC and capacities of Megawatt- hours.


Long Lifespan: due to liquid thermal management.


C-rate: high charge and discharge capability.

The world’s best performing solar boat
is powered by MG.

Recent projects / All projects

Our customers / about our work

These guys are really, really good. They excel in all areas; technology, presentation and commitment.
Especially their passion to keep on developing is quite impressive to me.

Bram van HeesBranch ManagerCLAFIS Ingenieus

Clever construction
from Leeuwarden.

Wubbo OckelsAstronaut / Professor sustainable development TU Delft

Recent news / All news

Check out our new products at the Electric & Hybrid Marine World Expo 2018

We're working on some exciting new products, which we're proud to present at the Electric & Hybrid Marine World Expo 2018, so save the date and drop by!

MG will take on the challenge to drive fossil free - indefinitely

MG will join the Elfwegentocht a challenge to drive fossil free for two consecutive weeks. However, we'll try it one step further - aiming for indefinitely.

MG's battery factory runs on solar energy

As forefunners in the energy transition, we put our money where our mouth is and installed 360 solar panels on the roof to power our entire battery factory.

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