Electric propulsion company Evolito acquires aerospace battery company Electroflight; full capability of powertrain solutions

Evolito, a private company that designs and manufactures electric motors and controllers for aerospace applications, has acquired the business and assets of the aerospace battery solutions company. Evolito parted ways last year with YASA; YASA is now a wholly owned subsidiary of Mercedes-Benz.

Evolito provides high performance, lightweight axial flux motors and controllers that are smaller, lighter and with a higher safety factor than any competing electric propulsion technology. Evolito’s products enable a range of new electric propulsion applications, helping to accelerate the industry’s transition to net zero.

Electroflight has a proven track record in providing innovative and safety-critical battery solutions for the electrification of the aerospace industry. Following the acquisition, Electroflight will become a wholly owned subsidiary of Evolito and will focus on providing next-generation battery technology to complement Evolito’s motors and controllers.

Evolito’s investors include B-Flexion and Oxford Science Enterprises (OSE).

SEED of electrotheft. Electroflight recently introduced SEED (Scalable, Expandable, Energy Device), which can be quickly deployed without the need for the costly and time-consuming process of creating a bespoke battery system. Designed for use in early-stage product development, it addresses a growing need from aerospace innovators for the development of pre-certification electric and hybrid aircraft for test operations, which require a battery system with the highest levels of quality and safety.

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SEED of electric flight


It can be used in a variety of applications in the aerospace segment, including hybrid, all-electric and eVTOL projects, ultimately allowing companies to drive innovation and testing before investing in a bespoke battery system to large scale. The compactness of the system also means that SEED can be used in difficult packaging envelopes, especially in small aircraft where space and weight are limited.

The launch of SEED is extremely exciting for us as it represents the next step in our journey as a company and a key milestone on the path to making electrified aviation a reality. The SEED system technology was built on the foundation of the breakthrough innovation we developed for the ACCEL world record project and enhanced by battery supply partnerships with eVTOL and CS23 aircraft customers. We are now producing this technology so that it can inspire others to innovate more in this field.

We are already seeing high levels of demand for the system. A leading electric aviation operator has already placed a large order, requesting A samples by Q1 2023 and B samples and first flight in Q2 2023. Two more are close to finalizing the orders. We believe this could be a game-changer for the industry and will be further added to the SEED family of modules in the months to come. We look forward to partnering with other companies through this innovative new technology.

—Douglas Campbell, Electroflight CTO

The new battery will carry 4.3 kWh and offer 196 Wh/kg. It has an operating temperature of -20 to +60°C when discharging and 0 to +60°C when charging. Additionally, the battery is capable of containing and managing the thermal track, has fast charging capability, an autonomous battery management system, and full individual cell temperature coverage capability.

SEED will comply with TSO C179b, which refers to industry battery standards such as DO-311A and DO-160. The battery is also compatible with liquid-cooled applications for higher performance applications and to support fast charging and turning around when on the ground. A front face for thermal management and the electrical interface and a rear face for ventilation and breathing simplify the integration of the cell.