H55 Successfully Completes - For the First Time in the Aviation Industry - All Regulator Required Propulsion Battery Module Certification Tests

SION, Switzerland, Feb. 2, 2026 /PRNewswire/ -- Electric aviation has faced a single, unresolved bottleneck: proving to regulators that high-energy propulsion batteries can safely contain worst-case failures. H55 today announces that it has completed the industry's first...

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