UAVMODEL
G70-M400 Tethered Power Station
Last 90 Days Sales: PCS
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Ultra‑Long Flight Time
>24h continuous power
Lightweight & Portable
Box 16.8kg, trolley case
Quick Installation
Slide‑in quick mount, plug‑and‑play
Safe & Reliable
Contact‑free · multi‑protection
G70-M400 Tethered Power Station is a tethered power system specifically designed for the DJI Matrice 400 drone, consisting of the tether winch box (ground module), onboard power supply (air module), and optional payloads such as the L24 floodlight.
The system employs 850V DC high voltage power transmission, with a thin and low‑drag cable that effectively reduces the drone's load. The core advantage lies in its extremely simple operation – no manual intervention is required throughout the entire flight, achieving true automatic cable winding and unwinding. The new AI‑driven speed and torque control system supports winding speeds up to 5m/s, effectively preventing cable sag, vibration, swinging, and sudden strong pulls, enabling contact‑free safe operation.
The product features ultra‑long flight time (>24 hours), light weight and portability, rapid installation, stable voltage supply, and multi‑device interconnectivity. It incorporates multiple safety protections, such as automatic power‑off in case of cable break/short circuit, and automatic cable retrieval via backup battery when external power is interrupted, ensuring long‑duration tethered flight safety and reliability. It supports various payloads including floodlights, searchlights, speakers, and communication modules, and is widely used in long‑duration inspections, security surveillance, emergency lighting, and more.
| Compatible Models | DJI Matrice 400 |
| Supported Flight Altitude | 100m (cable 110m) or 200m (cable 220m), customisable |
| Flight Duration | >24 hours (with continuous generator supply) |
| Safety Features | Contact‑free, away from high voltage; cable automatically winds/unwinds with drone takeoff/landing; auto‑retrieval when generator stops; high‑voltage auto‑cutoff on cable break/short/disconnection |
| Environmental | Operating ‑20~45°C; storage ‑40~65°C |
| Ingress Protection | Air module IP54, ground module IPx4 |
| Packaging | Trolley case, dimensions D720×W500×H580mm, weight 18kg |
| Input Voltage | 190~240VAC, single‑phase 220VAC@50/60Hz |
| Output Voltage | 600~850VDC (default 850VDC) |
| Output Power | 7000W (continuous), 8000W (peak) |
| Cable Length | 110m or 220m standard, custom available |
| Winding Speed | 0~5m/s, intelligent dynamic continuous adjustment |
| Cable Tension | 0~20N, intelligent continuous adjustment of gear, torque and slope |
| Communication | Multi‑device interconnection and smart display control, optional fibre optic |
| Data Display | Voltage, current, temperature, power consumption, cable length, runtime, etc. |
| Control Methods | Keypad, App, HMI, drone remote controller (display, setting, control) |
| Protections | Over‑voltage, over‑current, over‑temperature, short‑circuit, etc. |
| Alarm | Fault displayed on screen, audible and visual alert |
| Cable Material | Silver‑plated copper + Teflon insulation + single‑mode fibre + sheath film + Kevlar braid |
| Electrical Interfaces | LP24, LP12, switch, Bluetooth antenna, Type‑C, FC |
| Dimensions | D450×W280×H345mm |
| Weight | Box 16.8kg, cable 8.5g/m or 16.5g/m (with optional floodlight) |
| Input Voltage | 600~850VDC (wide range) |
| Output Voltage | 51.5VDC (regulated) |
| Output Power | 3000W (continuous), 3500W (peak) |
| Mounting | Slide‑in quick installation, connects to tethered battery |
| Electrical Interfaces | LP12, light interface, battery interface |
| Dimensions | 160×75×53mm |
| Weight | 800g |
| Light Power | 2400W (boost mode 3600W) |
| Luminous Flux | 400,000 lm @ 168 lm/W |
| Input Voltage | 800~1000VDC (high voltage, low current, lower temperature, higher brightness) |
| Illuminated Area | 3000㎡@50m, 10000㎡@100m (interchangeable lens) |
| Illuminance | 260 lux@30m, 95 lux@50m, 24 lux@100m |
| Weight | 1450g (4 units) |
| Mounting | Rubber straps fixed to arms |
| Control | Keypad, App, HMI, drone remote controller; auto on/off with drone takeoff/landing; manual dimming and strobe |
| No. | Item | Model | Qty | Unit | Remarks |
|---|---|---|---|---|---|
| 1 | Tether Winch Box (Ground Module) | G70 | 1 | pc | |
| 2 | Onboard Power Supply (Air Module) | P30-M400 | 1 | pc | |
| 3 | Floodlight (Payload) | L24-M400 | 1 | set | Includes 4 butterfly lights, optional |
| 4 | Power Cord | 3×4 mm² × 2m | 1 | pc | Tether box accessory, with connector |
| 5 | Slide Rail Bracket | / | 1 | pc | Onboard power accessory |
| 6 | Rubber Straps | / | 8 | pcs | Floodlight accessory |
| 7 | Screws | M3×25 cap head | 4 | pcs |
· True automatic winding, no personnel contact with high voltage.
· Operators can focus on the drone, enhancing concentration and safety.
· Upon external power interruption, the backup battery automatically retrieves the cable.
· Contact‑free operation, away from high voltage.
· Automatic high‑voltage cut‑off on cable break, short circuit, or disconnection.
G35-M400 Tethered Power Station
G35-M30 Tethered Power Station
G12-M4 Tethered Power Station
FAQS
1. HOW DO I PLACE MY ORDER?
- Simply choose your style on the product page then click the “Add To Cart” button and follow the simple steps to complete your order.
- We’ll prepare your order and let you know when it's on its way!
2. HOW LONG WILL IT TAKE TO SHIP MY ORDER?
- Orders typically ship within 5 to 10 business days. For international orders, transit will take an additional 1 to 2 weeks.
3. MY TRACKING NUMBER ISN’T WORKING
- Tracking numbers can take 3-5 days to appear in the shipping carrier's system. Occasionally, the shipping carrier can lose an order. If the tracking number is still not working within a few days, please contact the shipping carrier.
4. I NEED HELP WITH A LATE ORDER
- Orders typically ship within 5 to 8 business days. For international orders, transit will take an additional 1 to 2 weeks.
- If your order has not arrived after 10 business days (domestic) and 20 business days (international), please contact our team, we are happy to assist.
- Products that need to be customized, production time is 10-25 days to ship, product details will be announced.
5. We accept the following secure payment methods:
Credit Cards (via Airwallex):
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- Secured by Airwallex, a global compliant payment platform
Third-Party Payments:
- PayPal (Personal & Business Accounts)
Bank Transfer:
- Corporate Account Transfer (SWIFT/IBAN Supported)
6. WHEN WILL MY CARD BE CHARGED?
Just after your order has been successfully placed.
7. HOW SECURE IS MY PERSONAL INFORMATION?
- We adhere to the highest industry standards to protect your personal information when you checkout and purchase.
- Your credit card information is encrypted during transmission using secure socket layer (SSL) technology, which is widely used on the Internet for processing payments. Your credit card information is only used to complete the requested transaction and is not subsequently stored.
7.Shopping safety guaranteed
We use PAYPAL to collect payment. For details, you can check the official website of PAYPAL to guarantee your shopping funds.
https://www.paypal.com/webapps...
8.What delivery?
We cooperate with DHL, FedEx, EMS shipping companies, you can choose freely when placing orders;
- DHL : https://www.dhl.com/
- FedEx :https://www.fedex.com/
- EMS:https://www.ems.com.cn/
- Logistics Tracking:https://www.uavmodel.com/apps/17TRACK
9.Refund issue?
Due to the buyer's own reasons, resulting in a refund. This website will not be responsible for the payment of processing fees including returning shipping cost.
Made-to-order products: Once a customer submits an order, the product will immediately go into production. Given its customized nature and the immediacy of production, such orders become binding upon confirmation and no refunds will be accepted.
All products that require production time are classified as customized products.
10、Answer: Customs clearance responsibility depends on trade terms (e.g., EXW, FOB, DDP). Generally:
- Our Default Terms: The customer (consignee) must handle clearance and pay all duties/taxes.
- Exceptions: If your order states "DDP (Delivered Duty Paid)", we will handle clearance.
11、Answer: Typically required documents:
- ID (e.g., passport) or business tax number;
- Commercial invoice (contact us after purchase);
- Tip: Contact your local customs in advance!
12、Answer: Duties are determined by your country’s customs based on product type, value, and regulations. To estimate costs:
- Check your local customs website;
- Use third-party tools (e.g., Avalara, DutyCalculator).
13、Answer:
- Delays: Contact customs directly to submit documents/payments. We can provide tracking numbers or invoices.
- Destruction: Losses due to unresponsive clearance will be borne by the customer.
- Exceptions: If caused by our documentation errors, contact us for support.
14、Answer: You will receive a commercial invoice and packing list via email. For other documents, contact sales@uavmodel.com (response within 24 hours).
15、Answer: The following products may be seized or rejected:
- Prohibited items in your country (e.g., cosmetics with banned ingredients);
- Products without required certifications (e.g., electronics lacking CE marks);
- Under-declared value (may raise tax evasion suspicions).
If you pay by credit card, your payment could be somehow denied at the checkout by our system in defense against possible credit card fraud. It's a good idea to call your credit card company or bank ahead of time to let them know about the purchase so that it doesn't get declined.
Under such circumstance, here are 3 solutions for you:
1. If you have a PayPal account, please try to pay by PayPal.
2. Please switch to your other credit/debit cards.
3. If you do not have a PayPal account, please select PayPal still at the checkout page & click the complete order button. Then you'll be directed to a page with access to both PayPal and Debit/Credit card payment (for the latter option, you don't have to register for PayPal).
As following steps:
Step 1. Select PayPal (even if you don't have a PayPal account)

Step 2. Click on "Pay with Debit or Credit Card".

Step 3. Fill in your credit card info and complete your order.

Bank transfer information:
Account Number: 63001185921
Holder Name: Xiamen Gaoteng Trading Co., Ltd.
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Bank Name: JPMorgan Chase Bank N.A. Hong Kong Branch
Bank Location Country: HONG KONG, CHINA
Bank Address: CHATER HOUSE, 8 CONNAUGHT ROAD, CENTRAL, HONG KONG
Account Type: Current
Swift/BIC: CHASHKHH (CHASHKHHXXX,If 11 characters are required)
Routing Number: 007863
Bank Code: 007
Branch Number: 863
Please include the following memo/message to receiver when making a payment: [Buyer Name][Invoice/Contract Number][Product]
UAVMODEL
Ownership:
UAVMODEL CO., LTD.;
ZHANGZHOU YICHENG TECHNOLOGY CO., LTD.;
XIAMEN GAOTENG TECHNOLOGY CO., LTD.
Email:Sales@uavmodel.com
Phone: +8613015671328
313, No.25, Jingxia Road, Wenpu Industrial Park, Jiaomei Town, Taiwan Investment Zone,
Unit 2502-3, No.1110, Jimei North Road, Software Park, Torch High-tech Zone, Xiamen

What we really do?
UAVMODEL is a leading UAV airframe manufacturer. Our UAV platforms serve professional needs in industrial inspection, gas and oil, precision agriculture, mapping, public safety, construction, forestry and defense.
10+ Years of Experience
500+ Successful Cases
12+ Industry Awards
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We are committed to the R&D of medium and large UAVs and specialized UAV technologies for complex environments. Our focus includes design, production, testing, sales, and service, providing comprehensive solutions based on our technology.
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