Siemens reports up to 104 kVA, 900 g and dimensions 47 × 94 × 141 mm. kVA is apparent power, not automatically kW; duration and cooling conditions require review.
Siemens reported SD104 flying on a Magnus eFusion electric test aircraft; current product status is not established.
No regulator-issued approval has been verified for this exact product and configuration. A flight demonstration, company quality certification or application for a type certificate does not establish product approval.
Siemens eAircraft: SD104 source; checked 28 October 2026. Historic programme dates and model-specific specifications should be verified against the latest documentation.
