1.600W drone tether cable
Tethering Power Station
600W-800W
-20 to 55 Degrees Celsius
Manual Button to Wind Cable Auto
12 Hours
110-220V
33m
Rosefinch
Carton Case
265*175*150mm
Nanjing, China
8504401500
Product Description
16.5V 600W drone tether cable Universal Tethered Power System
Drone Tethered Power System can be customized according to your special needs.
The cable length can be customized from 33-330m long.
The optic fiber cable is available.
The system is compatible for all multi rotor drones with MTOW 5-110kg.
Drone Tether Power Solution TPS33M-600W for Universal Tethered Power System
1) Environmental temperature: -20~45 ºC (working), -40~65 ºC (storage).
2) Relative humidity: 10-80% RH (working), 5-90% RH (storage).
3) Altitude: 0-3000m.
1) Input voltage: 330-430Vdc wide range input.
2) Output voltage: 16.5 ± 0.2Vdc or 25 ± 0.3Vdc, constant voltage output, supporting voltage customization.
3) Output power: 600W (rated long-term output), 800W (peak value ≥ 10s).
4) Protection function: Input overvoltage and undervoltage protection, output overvoltage, overcurrent, short circuit, and over temperature protection.
5) Installation method: Reserve installation ears and fix them with screws.
6) Heat dissipation method: Passive heat dissipation, natural air cooling of the heat dissipation teeth.
7) Interface: input XT60, output XT30 × 2.
8) Size: 107 × 50 × 34 ± 0.5mm, excluding mounting lugs.
9) Weight: 250 ± 10g, excluding external connectors.
10) Protection level: IP54.

1. Input voltage of tether ground box: 176-264Vac wide range input, single-phase 220Vac.
2. ★ Air module power supply output voltage: 16.5 ± 0.2Vdc (or 25 ± 0.3Vdc) constant voltage output. The UAV operates under the tethered power supply condition, and the backup battery remains fully charged throughout the entire process without any power loss.
3. Equipment output power: air module power supply ≥ 600W, tether ground box ≥ 800W.
4. Air module power supply size: ≤ 107 × 50 × 34mm.
5. Air module power supply weight: ≤ 260g.
6. ★ Size of tether ground box: ≤ 265 × 175 × 150mm.
7. ★ Weight of tether ground box: ≤ 4.3kg, which includes 33m tether cables.
8. ★ Cable size and weight: length ≥ 33m, cable diameter ≤ 2.3mm, weight ≤ 0.7kg/100m.
9. Cable reel in and out function function: Passive cable reel out, long press the button to automatically reel in, and manually winding in case of power loss.
10. ★ Overcurrent protection function: When the air module power supply outputs overcurrent, it provides constant current step-down protection. The output should not be directly turned off and can be self restored.
11. Fault alarm function: When the system malfunctions, the fault alarm light flashes red and beeps to alert.
12. ★ System equipment protection level: air module power supply ≥ IP54, tether ground box ≥ IPx4.
13. ★ System equipment carrying: backpack design, the backpack can be equipped with a complete set of tethering system including a tether ground box, air module power supply, lighting unit, and other accessories, with an overall weight of ≤ 5.2kg.



Drone Tethered Power System can be customized according to your special needs.
The cable length can be customized from 33-330m long.
The optic fiber cable is available.
The system is compatible for all multi rotor drones with MTOW 5-110kg.
Drone Tether Power Solution TPS33M-600W for Universal Tethered Power System
1. Environmental characteristics |
1) Environmental temperature: -20~45 ºC (working), -40~65 ºC (storage).
2) Relative humidity: 10-80% RH (working), 5-90% RH (storage).
3) Altitude: 0-3000m.
2. Air module power supply for Tether Drone |
1) Input voltage: 330-430Vdc wide range input.
2) Output voltage: 16.5 ± 0.2Vdc or 25 ± 0.3Vdc, constant voltage output, supporting voltage customization.
3) Output power: 600W (rated long-term output), 800W (peak value ≥ 10s).
4) Protection function: Input overvoltage and undervoltage protection, output overvoltage, overcurrent, short circuit, and over temperature protection.
5) Installation method: Reserve installation ears and fix them with screws.
6) Heat dissipation method: Passive heat dissipation, natural air cooling of the heat dissipation teeth.
7) Interface: input XT60, output XT30 × 2.
8) Size: 107 × 50 × 34 ± 0.5mm, excluding mounting lugs.
9) Weight: 250 ± 10g, excluding external connectors.
10) Protection level: IP54.
3. Functional characteristics |
Automatic reel in/out: Follow the takeoff and landing of the UAV to synchronously cable reel in/out, adaptively adjust the tension, and manually press the button to retract the cable while power cut off. |
Communication function: It has wired communication function with serial port protocol and supports wireless communication function with Bluetooth or wireless serial port protocol. |
Protection function: Input overvoltage and undervoltage protection, output overvoltage, overcurrent, short circuit, over temperature protection, fault elimination and self recovery. |
Data display function: The 4.0 inch touch screen displays data such as voltage, current, temperature, cable outlet length, date, time, operation records, fault records, and working status information. |
Set adjustment: The display screen supports the setting and adjustment of wire winding speed, wire winding tension, wire reel out tension, safety length, date and time, and supports switching between Chinese and English display. |
Fault alarm function: When the system malfunctions, the display screen scrolls to display fault information, and the fault alarm light flashes red and beeps to alert. |
Equipment carrying: With a backpack design, the backpack can be equipped with a complete set of tethering systems, including a tethering box, air module power supply, lighting unit (optional), and other accessories. The overall weight is 12 ± 0.5kg. |


4. Parameters
Items | Technical parameters | |
Ambient temperature | -20~45 ºC (working), -40~65 ºC (storage) | |
Relative humidity | 10-80% RH (working), 5-90% RH (storage) | |
Altitude | ≤ 3000m | |
Ground power module | Input voltage | 176-264Vac wide range input, single-phase 220Vac, frequency 45-65Hz |
Output voltage | 300~420Vdc adjustable, factory default 400Vdc | |
Output power | 800W (rated long-term output), 1000W (peak value ≥ 30s) | |
Storage cable length | Standard storage cable 33m, supporting maximum storage cable ≥ 55m | |
Interface | Input socket with switch, cable output locking aviation plug | |
Button | High voltage button, take-up button, alarm indicator light | |
Protection level | IPx4 | |
Size | D265 *W150*H175 ± 0.5mm, excluding foot pads and handles | |
Weight | 4.2 ± 0.1kg, including 33m tethered cable | |
Tether cable | Material quality | Silver plated lightweight high-temperature resistant aviation wire, composite fluoroplastic insulation layer, high modulus tensile aviation grade fiber woven layer |
Carrying capacity | 1.5-2A | |
DC resistance | 26 ± 0.2 Ω, 100m@20 ºC loop | |
Tensile strength | ≥ 50kg, resistant to repeated retraction and release ≥ 500 times | |
Insulation strength | ≥ 3000Vdc, no breakdown for 1 minute | |
Cable length | 33 ± 2m, supports customized line length | |
External diameter | 2.2 ± 0.1mm | |
Weight | 6.5 g/meter | |
Air module | Input voltage | 330-430Vdc wide range input |
Output voltage | 16.5±0.2Vdc or 25±0.3Vdc, constant voltage output, supporting voltage customization | |
Output power | 600W (rated long-term output), 800W (peak value ≥ 10s) | |
Protection Function | Input overvoltage and undervoltage protection, output overvoltage, overcurrent, short circuit, and over temperature protection | |
Isolation voltage | 3000V (Vin Vout), 1min, leakage current ≤ 5mA, no breakdown, flashover, or corona phenomenon | |
Installation method | Reserved installation ears, fixed with screws | |
Heat dissipation method | Passive heat dissipation, natural air cooling of heat dissipation teeth | |
Interface | Input XT60, output XT30*2 | |
Protection level | IP54 | |
Size | 103*50*32±0.5mm, Excluding installation ears | |
Weight | 220 ± 10g, without external connectors |
Parameters for item targets |
2. ★ Air module power supply output voltage: 16.5 ± 0.2Vdc (or 25 ± 0.3Vdc) constant voltage output. The UAV operates under the tethered power supply condition, and the backup battery remains fully charged throughout the entire process without any power loss.
3. Equipment output power: air module power supply ≥ 600W, tether ground box ≥ 800W.
4. Air module power supply size: ≤ 107 × 50 × 34mm.
5. Air module power supply weight: ≤ 260g.
6. ★ Size of tether ground box: ≤ 265 × 175 × 150mm.
7. ★ Weight of tether ground box: ≤ 4.3kg, which includes 33m tether cables.
8. ★ Cable size and weight: length ≥ 33m, cable diameter ≤ 2.3mm, weight ≤ 0.7kg/100m.
9. Cable reel in and out function function: Passive cable reel out, long press the button to automatically reel in, and manually winding in case of power loss.
10. ★ Overcurrent protection function: When the air module power supply outputs overcurrent, it provides constant current step-down protection. The output should not be directly turned off and can be self restored.
11. Fault alarm function: When the system malfunctions, the fault alarm light flashes red and beeps to alert.
12. ★ System equipment protection level: air module power supply ≥ IP54, tether ground box ≥ IPx4.
13. ★ System equipment carrying: backpack design, the backpack can be equipped with a complete set of tethering system including a tether ground box, air module power supply, lighting unit, and other accessories, with an overall weight of ≤ 5.2kg.




1.TPS33M-M3 Tethered Power System 2. TPS110M-M30 Tethered Power System 3. TPS110M-M300/M350 Tethered Power System New Version 4. TPS110M-M300/M350 Tethered Power system 5. TPS33-600W Universal Tethered Power System 6. TPS110-2000W Universal Tethered Power System 7. TPS160M-3000W Universal Tethered Power System New Version 8. TPS160M-3000W Universal Tethered Power System 9. TPS220M-3000W Universal Tethered Power System 10. TPS220M-6000W Universal Tethered Power System 11. TPS330M-12000W Universal Tethered Power System |
Main Applications of Drone Tethered Power System |
-Day and night missions
-Radio relay
-Crisis management
-Site protection
-Traffic surveillance
-Large-scale events security
-Forest surveillance
-Industry monitoring
-Air-quality monitoring
Important safety notice of Drone Tethered Power System |
1. More rotor unmanned aerial vehicle (UAV) is of certain danger and destruction, improper operation may cause personal injury or property damage, please use the product in strict accordance with the operating manual
2. The operator should receive professional training and examination, untrained personnel do not handle this product
3. Don't be drunk, poor state of fatigue, sick when handling this product
4. Must keep personnel with safe distance between unmanned aerial vehicle (UAV), constantly to prevent the possibility of danger
5. Please fly under the safe take-off weight, in case of any risks.
6. Please not fly under strong electromagnetism interference circumstance
7. Please follow the local laws and regulations and not fly in no-fly zone
8. Please not keep close or touch the rotating motor or propeller, in case cut by the rotating propellers.
9. Please charge the two batteries full before install them to the uav, and make sure their differential pressure less than 0.1 V
10. The battery long time no use, please store it in ventilated dry place with 60% electricity
Our service Our Main Solutions 1. Mapping, surveying and 3D modeling 2. Surveillance 3. Inspection 4. Delivery 5. Customization according to application and client's requirements |
Company Information |
The "Drone Tethered Power System" - Rosefinch Technology is the leading manufacturer of drone tethering power station.Rosefinch mainly engages in the R&D, production, sales of AC-DC, DC-DC high-frequency switching power modular and the drone tether power system.The system is compatible for all multi rotor drones.






FAQ |
Q1: Do you support OEM/ODM?
A1: Yes. We can print your logo on the product.
Q2: About samples.
A2: Under normal circumstances, samples will be ready within 7 days, and 10-20 days for OEM/ODM orders. Sample fee and shipping will be charged.
Q3: What is the delivery time?
A3: For regular orders, we can ship within 15 days, for OEM/ODM, we can ship within 25-45 days (depending on the quantity). In the event of delays, we will notify you in advance of the status and resolution.
Q4: What is the minimum order quantity?
A4: There is no MOQ for wholesale (1 piece accepted), including OEM/ODM.
Q5: Can you reduce the shipping cost?
A6: When calculating the shipping cost for you, we always choose the cheapest and safest express. Although we have partnerships with shipping companies, we can't keep costs down because it's not us who get paid. If you think it's expensive for you. You can always make your own choice.
If you look for Tethered Drone manufacturers & suppliers of Drone Tether Systems for UAV, Quadcopters, UAS & ground stations,please contact us freely.