Fellten Ltd

Specialising in the Design, Development and manufacturing of battery electronic systems for Automotive, Marine, Defence and mining.

Fellten is a pioneering company offering the development of high voltage systems from battery packs through to full system integration. Also taking this through to scaled manufacturing at our Bristol UK manufacturing facility.


We empower companies across the world to step into the electrifying future by being their development, manufacturing, service & training partner helping companies get to market fast with Fellten-designed products manufactured for them and delivered globally. 


At Fellten, we are committed to driving the future of sustainable transportation and power systems.



BOLT IN EV CONVERSION KITS | EV Retrofit

Fellten offers bolt-in EV conversion kits for classic cars, transforming icons like the Mini, Porsche and Land Rover Defender into eco-friendly vehicles. Our expertly designed kits seamlessly integrate electric powertrains for straightforward installation, preserving the charm and heritage of your classic car while delivering enhanced performance, zero emissions, and cutting-edge reliability. Enjoy electric driving without compromising the classic aesthetic and spirit of your vehicle.

At Fellten, we design, develop, and manufacture bolt-in systems to electrify classic cars.


Our expertise transforms timeless vehicles like the Mini, Porsche 964, and Land Rover Defender into modern, eco-friendly machines.


Our bolt-in kits ensure high performance, safety, and durability while maintaining the original charm and heritage of your classic car.


Experience enhanced performance, zero emissions, and cutting-edge technology with our seamless electric powertrain integrations. Embrace the future of driving with Fellten’s innovative solutions.



FOR EVERY APPLICATION | Battery Packs

Fellten specialises in Battery Packs for diverse applications, offering versatile and reliable power solutions. Our battery packs serve various industries, including automotive, marine, mining and renewable energy storage. Engineered for high performance, safety, and durability, they ensure seamless integration and efficient power management. Whether for electric vehicles, off-grid systems, or industrial equipment, our battery packs provide consistent, dependable energy. Embrace the future of energy with Fellten's adaptable and innovative battery solutions.



IMAGINE, CREATE, INNOVATE | Design & Development

Fellten offers cutting-edge design, development, and manufacturing services tailored to diverse industry needs. Our expertise spans automotive, marine, renewable energy, defence, and mining, ensuring innovative and reliable solutions. We prioritise high performance, safety, and durability in every project, creating custom designs and efficient integrations, and providing in-house manufacturing. Whether enhancing electric vehicles, advancing marine power, or supporting sustainable energy, our services deliver exceptional results, driving innovation and operational excellence. Embrace the future with Fellten's adaptable, forward-thinking solutions.



SCALABLE, SUSTAINABLE, and READY

The Next Generation of Mobile Energy Storage


The Charge Qube is a revolutionary rapidly deployable Mobile Battery Energy Storage System and Mobile Electric Vehicle Supply Equipment (Type-2 or CCS) designed to meet the diverse and demanding needs of businesses, fleets, and infrastructure projects.


Designed for speed and efficiency, the Charge Qube can be rapidly deployed without the need for complex planning or infrastructure upgrades. Housed within a durable 10-foot sea container, it immediately integrates into existing energy or charging networks. 


Compact, modular, and built with sustainability at its core, the Charge Qube combines second-life EV battery technology with advanced energy management systems to deliver reliable, scalable, and versatile power wherever it is needed.


With a range of configurations tailored to specific use cases, it offers unmatched flexibility, whether for energy storage, overnight fleet EV charging or high-speed DC charging for public, industrial or construction-site applications.


By extending the lifespan of EV batteries and supporting renewable energy integration, the Charge Qube is a practical solution for businesses looking to reduce costs and emissions while meeting modern energy demands and benefiting from energy arbitrage.



CERTIFIED TRAINING COURSES 

Safety, design and repair of electric vehicle systems.
Delivered online and in person.

Gain an understanding of the architecture of electric cars, the components and how they relate to each other, learn about working safely on high-voltage components, charging systems and battery management.