Renault and Vitesco to develop ‘One Box’ electric powertrain concept

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Renault Group and Vitesco Technologies, a manufacturer of drive technologies and electrification solutions, have announced a strategic partnership for the joint development and the production of power electronics in a so-called ‘One Box’ for electric and hybrid powertrains.

The goal is a key electronic unit that combines all components in one housing: the DC-DC converter, the on-board charger OBC and the inverter. Renault Group and Vitesco Technologies teams will define the products and assembly processes of this One Box by integrating the latest technologies to ensure the best level of competitiveness in terms of performance and cost.

The development of the One Box is planned to equip electric and hybrid vehicles in Renault’s high-voltage core range from 2026 onwards, with the objective for Renault Group to eventually assemble this product in its industrial sites in France for 100 percent electric vehicles. With this new partnership, Renault Group is extending its control over the electrical value chain by integrating this unique power electronics “all-in-one” system, co-developed in-house.

As part of this partnership, Renault Group will at the same time provide Vitesco Technologies with a multi-year contract for the power electronics of Renault’s hybrid vehicles. In addition, Vitesco Technologies will supply to the Renault Group a High Voltage Box, which combines the DC/DC converter and charger, for battery electric vehicles as of 2025.

“We are delighted to take a new step today with Vitesco Technologies, a long-standing Renault Group partner in electric vehicles whose expertise in power electronics is recognized worldwide. Together, we will design and develop a state-of-the-art One Box, unique on the market, which will be a real competitive advantage. With this strategic partnership, we are also further strengthening our mastery of the electric value chain and reaffirming once again our determination to anchor our technological and industrial developments for the electric vehicle in France,” said Gilles Le Borgne, EVP Engineering, Renault Group.

Andreas Wolf, CEO Vitesco Technologies, adds: “We are very happy to enter this strategic partnership with Renault Group, which is one of the largest automotive manufacturers and pioneer in the field of electric vehicles. With this step, we will not only become a key ally of Renault Group on power electronics, but it is also an important milestone to further strengthen our growth in the field of electrification.”

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