H
H55
Switzerland
About
H55 is a Swiss-based company specialising in certified electric propulsion and certification-grade energy storage systems for aviation. The company enables electric aviation to scale by transforming commercial lithium cells into aviation-safe Energy Storage Systems that regulators approve, insurers underwrite, and OEMs can deploy repeatedly as a certified propulsion platform across aircraft programs.
Supply Chain Segments
Battery Chemistries
Lithium-ion (Li-ion)Silicon AnodeNickel Manganese Cobalt (NMC)Nickel Cobalt Aluminum (NCA)Lithium SulfurSolid State
Quick Facts
- Founded
- 2017
- Team Size
- 51-200
- Funding
- Series C+
- Last Updated
- Sep 18, 2026
