1. Introduktion
This manual provides essential instructions for the safe and efficient operation of your EF ECOFLOW DELTA 3 Ultra Plus Portable Power Station with Transfer Switch. Please read this manual thoroughly before using the product and retain it for future reference.
2. Sikkerhedsoplysninger
- Enheden må ikke skilles ad, repareres eller modificeres.
- Hold enheden væk fra varmekilder, direkte sollys og brandfarlige materialer.
- Undgå udsættelse for vand eller andre væsker.
- Sørg for korrekt ventilation under brug for at forhindre overophedning.
- Use only official EF ECOFLOW accessories and charging cables.
- Opbevares utilgængeligt for børn og kæledyr.
3. Pakkens indhold
The EF ECOFLOW DELTA 3 Ultra Plus package includes:
- DELTA 3 Ultra Plus bærbar kraftstation
- Overførselskontakt
Note: The DELTA 3 Ultra Plus Power Station and Transfer Switch may be shipped in separate packages.
4. Produktet er slutview
The EF ECOFLOW DELTA 3 Ultra Plus is a high-capacity portable power station designed for reliable home backup, outdoor adventures, and off-grid living. It features a 3072Wh LiFePO4 battery, 3600W continuous output (7200W surge), and is expandable up to 11kWh.

Image: The DELTA 3 Ultra Plus Portable Power Station shown alongside its accompanying Transfer Switch.
Nøglefunktioner:
- Udvidbar kapacitet: Adaptable from 3kWh to 11kWh with additional batteries.
- Høj effekt: 3600W continuous (7200W surge) for various appliances.
- X-Quiet 3.0-teknologi: Operates at a whisper-quiet 25dB under 600W loads.
- Holdbar konstruktion: EV-grade CTC structure provides drop resistance and extreme environment tolerance (freezing cold, scorching heat, humid environments, salt spray).
- Uafbrudt strømforsyning (UPS): Automatic switch to battery power in under 10 milliseconds during outages.
- Smart batteristyringssystem (BMS): 24/7 monitoring for optimal performance and extended battery life (up to 10 years of daily use).
- Class B EMC Certified: Designed to not interfere with home electronics.
Porte og forbindelser:
- 4 x AC Output (120V, 20A)
- 1 x USB-A Port (18W Max)
- 3 x USB-C Ports (140W Max)
- TT-30 RV Port (120V, 30A)
- Cigarette Lighter Port (12V, 10A)
- Anderson Port (12V, 30A)

Image: The front panel of the DELTA 3 Ultra Plus showing the display and various output ports including AC, USB-A, USB-C, TT-30 RV, Cigarette Lighter, and Anderson Port.
5. Opsætning
Indledende opladning:
Before first use, it is recommended to fully charge your DELTA 3 Ultra Plus. Refer to the 'Charging Methods' section for detailed instructions.
Connecting the Transfer Switch:
The included Transfer Switch allows for seamless integration with your home's electrical system. Consult a qualified electrician for professional installation of the Transfer Switch to ensure compliance with local electrical codes and safety standards. Once installed, connect the DELTA 3 Ultra Plus to the Transfer Switch according to the provided wiring diagrams in the Transfer Switch manual.

Image: Illustration showing two methods for connecting the power station to a home: via a Manual Transfer Switch and an Inlet Box.
Expanding Capacity:
The DELTA 3 Ultra Plus can be expanded with additional batteries to increase its total capacity up to 11kWh. Connect extra batteries as per the instructions provided with the expansion battery units. Ensure the power station is off before connecting or disconnecting expansion batteries.

Image: The DELTA 3 Ultra Plus with two stacked extra batteries, illustrating its expandable capacity from 3kWh to 11kWh.
6. Betjeningsvejledning
Tænd/sluk:
Press and hold the main power button for a few seconds to turn the unit on or off. The display will illuminate when the unit is active.
Using Outputs:
Activate the desired output sections (AC, DC, USB) by pressing their respective buttons on the front panel. Ensure the total wattage of connected devices does not exceed the unit's rated output.
Opladningsmetoder:
The DELTA 3 Ultra Plus offers multiple charging options:
- Vægopladning: Connect to a standard AC wall outlet. 1800W input, 0-80% in approximately 89 minutes. Features Storm Guard Mode for remote AC charging.
- Generatoropladning: Connect to a compatible generator. Up to 3200W input, 0-80% in approximately 53 minutes. Compatible with EcoFlow Smart Generator 4000 for automatic backup.
- Solopladning: Connect compatible solar panels. Up to 1600W input, 0-80% in approximately 101 minutes (with sufficient sunlight).
- Generator opladning: Connect to a vehicle's alternator using the EcoFlow Alternator Charger Plus 1000. 1000W input, 0-80% in approximately 142 minutes.
- Solar + Generator Dual Charging: Combine solar panels and a generator for up to 3960W input, 0-80% in approximately 48 minutes.
- Solar + Alternator Dual Charging: Combine solar panels and alternator for up to 2600W input, 0-80% in approximately 60 minutes.

Image: Visual representation of the six charging methods for the DELTA 3 Ultra Plus, including Wall, Generator, Solar, Alternator, Solar + Generator Dual, and Solar + Alternator Dual charging.
Uninterrupted Power Supply (UPS) Function:
When connected to a wall outlet and devices are powered through the DELTA 3 Ultra Plus, it acts as a UPS. In the event of a power outage, the unit automatically switches to battery power within 10 milliseconds, providing continuous power to connected devices without interruption.
EcoFlow App Control:
Download the EcoFlow app to monitor and control your DELTA 3 Ultra Plus remotely. The app allows for:
- Smart Remote Switching: Prioritize outputs to manage essential loads.
- Smart Power Reserve: Set battery thresholds to automatically shed non-essential loads.
- AI-tilstand: Optimize charging during low-cost energy periods.
- Self-Powered Mode: Utilize stored solar energy to reduce grid dependency.
- Detailed Insights: Monitor energy usage, solar generation, and financial savings.
Video: En overview of the EcoFlow DELTA 3 Ultra Series, demonstrating its power capabilities, fast charging, and expandable capacity for home and outdoor use.
7. Vedligeholdelse
Batteripleje:
The DELTA 3 Ultra Plus uses an advanced LiFePO4 battery designed for 10 years of daily use. The integrated 24/7 smart battery management system protects against extreme temperatures and heavy loads. To maximize battery lifespan:
- Undgå at aflade batteriet helt ofte.
- Opbevar enheden på et køligt, tørt sted, når det ikke er i brug.
- Genoplad enheden til 50-80% hver 3.-6. måned, hvis den opbevares i længere perioder.
Rensning:
Wipe the exterior of the unit with a dry, soft cloth. Do not use harsh chemicals or abrasive materials. Ensure all ports are free from dust and debris.
8. Fejlfinding
If you encounter issues with your DELTA 3 Ultra Plus, consider the following general troubleshooting steps:
- Enheden tænder ikke: Sørg for, at batteriet er opladet. Prøv at tilslutte til en strømkilde.
- Ingen output fra porte: Verify that the specific output section (AC, DC, USB) is activated. Check if the connected device is functioning correctly.
- Advarsel om overbelastning: Frakobl nogle enheder for at reducere belastningen. Enheden nulstilles automatisk, når belastningen er inden for grænserne.
- Opladningsproblemer: Ensure charging cables are securely connected and the power source is active. Check for any error codes on the display.
For persistent issues, refer to the official EcoFlow support resources or contact customer service.
9. Specifikationer
| Feature | Specifikation |
|---|---|
| Mærke | EF ECOFLOW |
| Modelnavn | DELTA 3 Ultra Plus with Transfer Switch |
| Varemodelnummer | EF-DL-H02-3UP |
| Batteritype | LiFePO4 |
| Batterikapacitet | 3072Wh (Expandable to 11kWh) |
| Løb Wattage | 3600 watt |
| Starter Wattage (bølge) | 7200 watt |
| Strømkilde | Solcelledrevet |
| Brændstoftype | Solar |
| Samlet strømudtag | 3 (AC outlets, plus other ports) |
| Produktdimensioner | 24.1 cm L x 12.9 cm B x 15.6 cm H |
| Varens vægt | 74.3 pund |
| UPC | 842783192202 |
10. Garanti og support
The EF ECOFLOW DELTA 3 Ultra Plus is engineered for durability and long-term performance, featuring a LiFePO4 battery designed for 10 years of daily use. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official EF ECOFLOW webwebsted.
For teknisk support, produktregistrering eller adgang til yderligere ressourcer, besøg venligst EF ECOFLOW Store eller kontakt deres kundeservice direkte.





