Can Laser Power Beaming Revolutionize Commercial Drone Flight Endurance?
Key Points
- 1PowerLight Technologies unveiled a kilowatt-class laser system capable of wirelessly charging drones up to 2km away.
- 2The technology aims to deliver 'infinite flight' persistence, overcoming the 20-45 minute endurance limit of many commercial UAVs.
- 3Integrated flight testing with the K1000ULE drone is scheduled for early 2026 to prove sustained in-flight charging capability.
- 4Commercial applications include persistent infrastructure inspection, long-range logistics, and continuous surveillance operations.
PowerLight Technologies unveiled a new wireless laser power beaming system. This technology aims to achieve "infinite flight" capability for drones. It directly addresses the primary challenge of limited battery life. The system delivers kilowatt-class laser charging over long distances.
Technology and Testing
The PowerLight system uses an autonomous ground transmitter. This unit tracks an aircraft with high precision. It directs a non-visible laser beam to the drone. The technology can transmit power over distances approaching two kilometers. This creates a "wireless power line in the air."
A lightweight receiver is mounted on the drone. Weighing about 2.7 kg (six pounds), it converts light into electricity. This power then recharges the onboard batteries. The system was developed under the PTROL-UAS program. This program is supported by the U.S. Central Command.
PowerLight is partnering with Kraus Hamdani Aerospace. They are integrating the tech into the K1000ULE drone. Fully integrated flight testing is scheduled for early 2026. These tests will demonstrate sustained in-flight charging.
Commercial Aviation Impact
Extended drone flight endurance is crucial for commercial UAV operations. Standard electric multi-copters typically fly for under one hour. This new technology could transform several sectors.
Key Applications
- Infrastructure Inspection: Drones can monitor pipelines or power lines continuously. This removes the need for frequent landings and swaps.
- Logistics and Surveillance: Drone logistics and surveillance missions gain persistence. This is vital for remote package delivery and security.
- Disaster Response: Persistent aerial coverage aids in search and rescue. It also helps in real-time damage assessment.
Challenges and Regulatory Hurdles
The path to widespread commercial use faces challenges. Long-range wireless power systems must overcome high operating costs. Energy transmission efficiency over distance is a concern.
Safety is a paramount regulatory issue. PowerLight uses automated safety protocols. These systems ensure immediate laser shut-off if tracking is lost. However, regulatory bodies like the FAA must approve high-power lasers. Integration into shared airspace requires strict oversight.
Competitors are exploring alternative remote power delivery systems. These include hydrogen fuel cells and hybrid propulsion. PowerLight’s system offers a unique, continuous charging solution. This could redefine mission capability for many commercial users.
Trusted commercial aviation news and airline industry reporting are available at flying.flights.
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Written by
Ujjwal SukhwaniAviation News Editor & Industry Analyst delivering clear coverage for a worldwide audience.
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