1. Introduktion
The EF ECOFLOW Trail 300 DC Portable Power Station is a compact and lightweight power solution designed for outdoor activities, travel, and emergency backup. It features a 288Wh LiFePO4 battery, providing reliable DC power for a variety of devices. This manual provides essential information for the safe and efficient use of your power station.

Image: The EF ECOFLOW Trail 300, an ultra-compact camping power station.
Key features include a 288Wh capacity, 300W total DC output, multiple charging ports, and a durable, lightweight design. It is engineered for portability and resilience in outdoor environments.
Video: En overview of the EF ECOFLOW Trail 300, demonstrating its compact size, portability, and various usage scenarios in outdoor settings, including charging devices and its robust design.
2. Sikkerhedsinstruktioner
To ensure safe operation and prolong the lifespan of your EF ECOFLOW Trail 300, please adhere to the following safety guidelines:
- Enheden må ikke skilles ad, repareres eller ændres. Forkert samling kan forårsage brand eller elektrisk stød.
- Placer ikke enheden i nærheden af varmekilder eller i direkte sollys i længere perioder.
- Avoid exposure to rain or moisture. Do not immerse the unit in water.
- Brug kun godkendt tilbehør og opladningskabler.
- Hold enheden væk fra børn og kæledyr.
- Operate and store the unit in a well-ventilated area.
- Do not use the unit if it has been damaged or dropped.
- Dispose of the unit and its battery in accordance with local regulations.
3. Pakkens indhold
Upon unpacking your EF ECOFLOW Trail 300, please verify that all items are present:
- EF ECOFLOW Trail 300 DC Portable Power Station
- Brugermanual
Note: Charging cables and power adapters are not included and must be purchased separately. The unit supports USB-C charging (up to 140W per port) and solar charging (up to 110W max).
4. Produktet er slutview
The EF ECOFLOW Trail 300 features a clear display and multiple output ports for versatile power delivery.

Image: Front panel of the Trail 300, illustrating the digital display and various DC output ports.
4.1. Ports and Display
- Skærm: Viser batteriprocenttage, input/output wattage, og estimeret køretid.
- USB-C-porte (x2): 140W Power Delivery 3.1 (input/output).
- USB-A-porte (x2): 12 W udgangseffekt.
- 12V Car Port (x1): 10A udgang.
- Solindgang: 10-30V for solar panel connection.

Billede: Detaljeret view of the power station's input and output ports.
5. Opsætning
5.1. Første opladning
Before first use, it is recommended to fully charge your EF ECOFLOW Trail 300. The unit supports rapid, flexible recharging through three methods:
- USB-C opladning: Use two 140W USB-C chargers for the fastest recharge (0-80% in approximately 85 minutes).
- Bilopladning: Connect to a 12V car outlet (110W max).
- Solopladning: Connect compatible solar panels (110W max).

Image: Visual representation of the three available recharging options for the power station.
6. Betjeningsvejledning
6.1. Tænd/sluk
To power on the unit, press and hold the main power button until the display illuminates. To power off, press and hold the button again until the display turns off.
6.2. Opladningsenheder
The Trail 300 can charge up to five devices simultaneously using its DC output ports. It delivers 300W of pure DC output, with up to 140W per port, making it compatible with 90% of essential outdoor gear, including 12V electric coolers.

Image: The power station actively charging a drone and other devices.
Connect your devices to the appropriate USB-A, USB-C, or 12V car port. The display will show the current output wattage.

Image: The Trail 300 providing power to an electric cooler, portable Wi-Fi router, and portable projector.
7. Vedligeholdelse
Korrekt vedligeholdelse sikrer dit kraftværks levetid og ydeevne.
- Rensning: Brug en tør, blød klud til at tørre ydersiden af. Undgå at bruge skrappe kemikalier eller slibende materialer.
- Opbevaring: Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures. For long-term storage, charge the battery to approximately 50-80% every 3-6 months to prevent deep discharge.
- Batteripleje: The LiFePO4 battery is designed for durability. Avoid completely draining the battery to 0% for extended periods, as this can reduce its lifespan.

Image: The Trail 300's robust construction, designed to withstand outdoor conditions.
8. Fejlfinding
If you encounter issues with your EF ECOFLOW Trail 300, refer to the following common problems and solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke | Battery is completely drained or unit is faulty. | Charge the unit using a compatible charger. If it still doesn't turn on, contact support. |
| Enheder oplader ikke | Output port not activated, cable issue, or device incompatibility. | Ensure the unit is powered on. Check cable connections. Verify device power requirements are within the unit's output limits. |
| Slow charging of the unit | Low power input, high ambient temperature, or cable issue. | Brug en højere wattage charger (e.g., two 140W USB-C chargers). Ensure proper ventilation. Check charging cable integrity. |
| Display fungerer ikke | Unit is off, or a display malfunction. | Press the power button to ensure the unit is on. If the unit functions but the display doesn't, contact support. |
If the problem persists after attempting these solutions, please contact EF ECOFLOW customer support.
9. Specifikationer
Detailed technical specifications for the EF ECOFLOW Trail 300 DC Portable Power Station:
- Model: TRAIL DC (TRAIL 300)
- Kapacitet: 288 Watt-timer (Wh)
- Batteritype: LiFePO4
- Samlet DC -output: 300W (up to 140W per port)
- USB-C udgang: 2 x 140W PD3.1 (input/output)
- USB-A-output: 2 x 12W
- Bilport udgang: 1 x 12V (10A)
- Solindgang: 10-30V (maks. 110W)
- Dimensioner: 15.7 x 22 x 21.31 cm
- Vægt: 2.58 kg
- Driftstemperatur: -20°C til 60°C (-4°F til 140°F)
- Opladningstemperatur: 0°C til 45°C (32°F til 113°F)
10. Garanti og support
The EF ECOFLOW Trail 300 DC Portable Power Station comes with a 5 års garanti, covering defects in materials and workmanship under normal use. For warranty claims, technical support, or further inquiries, please contact EF ECOFLOW customer service.
You can find more information and support resources on the official EF ECOFLOW website or through their Amazon store: EF ECOFLOW Amazon Store.

Image: Emphasizing the X-Guard Safety features and extended warranty for the product.





