IMAGINE, CREATE, INNOVATE

Design &
Development

Engineering Innovative Solutions.

Versatile Power Solutions

At Fellten, we specialize in the design and development of cutting-edge battery packs that cater to a wide array of applications beyond electric vehicles (EVs). Our expertise ensures that our battery systems deliver optimal performance, safety, and longevity across various sectors, from transportation to renewable energy and industrial applications.

The structural design of our battery packs is crucial for their versatility and performance. Fellten's universal battery packs, such as our 55kWh model, are engineered to be compact and high-density. This design allows for seamless integration into different systems and applications without compromising on space or functionality. Our battery packs are designed to fit various configurations, making them suitable for a range of uses beyond vehicles, such as in marine applications and stationary energy storage systems

CAD - Design, Develop & Produce

Our CAD design service transforms your ideas into reality. We start with conceptual sketches and develop detailed 3D models using advanced CAD software. These models allow precise visualization and optimization of your design. Engineers run simulations to test functionality, followed by creating detailed technical drawings for manufacturing. This ensures every component meets exact specifications. Finally, we guide the assembly and testing processes to ensure the product meets all design and performance criteria, delivering a market-ready solution.

Hardware and Software

Our service begins with conceptualizing your device's specifications. We create detailed schematics and 3D models for hardware and define software requirements and architecture. After prototyping and testing the hardware, and coding and unit testing the software, we ensure both components work seamlessly together. We guide the manufacturing process with precise technical drawings and perform rigorous final testing to ensure a flawless product ready for market release.

Wiring Harness Design & System Integration

Our Wiring Harness Design & System Integration service ensures seamless connectivity and efficient operation of your electrical systems. We begin with detailed design and modelling of the wiring harness, ensuring precise fit and function. Our engineers integrate these designs into your overall system, conducting thorough simulations and tests to ensure reliability and performance. We provide comprehensive technical drawings and documentation to guide manufacturing and installation, ensuring every component meets exact specifications. Finally, we oversee the integration and testing phases to deliver a fully functional, high-quality system tailored to your needs.

Comprehensive Design Solutions

Expert Services for Your Project Needs

Transform your ideas into detailed 3D models and precise technical drawings, ensuring every component meets exact specifications and is ready for manufacturing.


Ensure seamless connectivity and optimal performance with our meticulous design, simulation, and integration services, delivering high-quality, fully functional systems.


From conceptualization to final product, we offer end-to-end design solutions, integrating hardware and software to create innovative, market-ready devices.