H55 Battery Technology Helps Power Progress of RTX Hybrid-Electric Flight Demonstrator [Yahoo! Finance]
RTX Corporation (RTX)
Company Research
Source: Yahoo! Finance
RTX Hybrid Electric Flight Demonstrator SION, Switzerland March 18, 2026 /PRNewswire/ -- H55 today announced continued progress developing the 200 kWh Energy Storage System (ESS) for the RTX Hybrid-Electric Flight Demonstrator, since the project achieved the significant milestone of its first full-power system test conducted in June 2025. The demonstrator, led by RTX's Pratt & Whitney Canada and Collins Aerospace, aims to demonstrate up to 30% improvement in fuel efficiency for regional aircraft through a hybrid-electric propulsion architecture combining an advanced thermal engine, a 1-megawatt electric motor, and H55's battery system. Pratt & Whitney Canada built on H55's battery architecture and safety mechanisms as the certifiable foundation for the demonstrator's propulsion system. H55's Energy Storage System — validated through extensive flight operations — provided the compliance and safety baseline that enabled the program to advance rapidly. Commenting on H55's partne
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