By Carlos | 28 March 2026 | 1 Comments
Top 10 Global Tethered Drone Power System Manufacturers
The tethered drone sector has grown rapidly from a niche military technology into a global infrastructure tool. Unlike free-flying drones constrained by battery limits, tethered systems receive continuous power via cable from a ground station — enabling 24/7 aerial coverage for surveillance, communications relay, emergency response, and environmental monitoring.
According to Fortune Business Insights, the global tethered drone market is valued at approximately $422 million in 2026 and is expected to reach $705 million by 2034 at a 6.6% CAGR. Below is a verified profile of the ten most credible manufacturers worldwide, drawn from official websites, market reports, and trade platforms.
According to Fortune Business Insights, the global tethered drone market is valued at approximately $422 million in 2026 and is expected to reach $705 million by 2034 at a 6.6% CAGR. Below is a verified profile of the ten most credible manufacturers worldwide, drawn from official websites, market reports, and trade platforms.
1. Elistair
Founded: 2014
Location: Lyon, France
Flagship Products: Safe-T 2, Light-T 4 tether stations; Orion 2 autonomous UAS (50h+); Khronos drone-in-a-box
Core Competitiveness: Pioneer in European tethered drone power solutions, focuses on military and professional civilian applications, ultra-lightweight design, automatic cable winding, and stable high-altitude power transmission. Certified for defense and public safety projects, with global deployment in over 70 countries.
2. Hoverfly Technologies
Founded: 2010
Location: Florida, USA
Flagship Products: HIVE Sentry (fixed overwatch), HIVE Spearhead (vehicle-mounted), NEXUS (multi-domain comms relay)
Core Competitiveness: Developer of the world's first tethered-power small UAS; long-standing U.S. Army supplier for persistent ISR and tactical communications. Designed and manufactured in the USA. Raised USD 20M Series B in October 2025 (led by Leonardo DRS).
3. Rosefinch Technology
Founded: 2021
Location: Nanjing, Jiangsu, China
Flagship Products: Universal tether power stations (500W–28KW), DJI dedicated tether systems for DJI Mavic 3, Matrice 30, Matrice 350 RTK, Matrice 400, FlyCart 30, FlyCart 100, and high-power tether systems for multi-rotor UAVs.
Core Competitiveness: Rosefinch Technology is one of the leading manufacturers of drone tethering power stations, offering the industry’s most extensive range, supporting drones with MTOW from 3kg to 120kg. Its core advantage lies in constant-voltage air module design, which avoids battery charging/discharging loss during tethered flight, enabling true long-endurance operation. The company also integrates automatic cable reel in/out with adaptive tension control, making its systems highly suitable for surveillance, emergency response, military projects, and industrial drone applications in over 30 countries.
4. Fotokite
Founded: 2014
Location: Zurich, Switzerland
Flagship Products: Fotokite Sigma, Sigma+ (rooftop deployable box, EO/IR); Fotokite Live software
Core Competitiveness: ETH Zurich spin-out; pioneered actively tethered UAS for emergency services. Deploys autonomously in 15 seconds — no pilot license or GPS required. FAA-exempt tethered UAS category. Total funding USD 37M+; serves fire departments in Los Angeles, London, Paris, and Milan.
5. Sky Sapience
Founded: 2010
Location: Yokneam, Israel (acquired by COMSovereign, USA, 2021)
Flagship Products: HoverMast-100, HoverMast-150 (up to 18kg payload), HoverMast-Lite
Core Competitiveness: Fiber optic tether enables cyber-immune, unjammable communications. Capable of on-the-move operation from vehicles or vessels in GPS-denied environments. Originally developed for Israel MoD; acquired for USD 12.7M to serve DHS and DoD markets.
6. Volarious
Founded: 2018
Location: Singapore
Flagship Products: V-Line series (V-Line Pro, V-Line T), designed specifically for DJI drones.
Core Competitiveness: Volarious specializes in portable, professional-grade tethered systems that maintain the portability of standard commercial drones. Their systems are known for their "plug-and-play" installation, allowing users to switch between battery and tethered flight within seconds, making them popular for maritime security and law enforcement.
7. Easy Aerial
Founded: 2015
Location: Brooklyn, New York, USA
Flagship Products: THAS (Tethered Hovering Aerial System); Scout Drone-in-a-Box; vehicle-mounted tethered configurations
Core Competitiveness: Combines drone-in-a-box autonomy with tethered persistent coverage. Weather-hardened; supports ground and vehicle-mounted deployment. Deep integration with U.S. and NATO defense infrastructure.
8. LIFELINE
Founded: 2015
Location: California, USA
Flagship Products: Tethered drone power systems for public safety and firefighting, heavy-duty industrial power modules
Core Competitiveness: US-based specialist in emergency response tether solutions, ruggedized design for harsh environments, compliance with US federal safety standards, and customized power solutions for first responder teams.
9. ValoFly
Location: Germany
Flagship Products: TGS Avior ; vehicle-bound tethered system for multicopters.
Core Competitiveness: Founded by practitioners from German fire departments and disaster management. The TGS Avior is weather-hardened, rack-standardized, and field-tested in sub-zero temperatures. Emphasizes rapid network integration so aerial sensor data reaches decision-makers without delay. Currently part of a consortium developing a fully integrated vehicle-bound tether system for moving platforms.
10. Blue Vigil
Founded: 2018
Location: Reston, Virginia, USA
Flagship Products: RS1000 tethered power system, designed for DJI drone platforms including DJI enterprise series.
Core Competitiveness: Blue Vigil focuses on compact, rapidly deployable tethered drone systems for public safety, surveillance, and emergency response applications. Their systems are recognized for lightweight integration, stable continuous power supply, and strong compatibility with commercial drone platforms, especially in North American police and tactical operation scenarios.
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