EcoFlow Delta 3 Ultra Portable Power Station 3072Wh
- 3600W continuous, 7200W surge
- 25dB under load, X-Quiet 3.0
- Under 10ms UPS switchover
- LiFePO4 battery, 10 years of daily use
- 4 ways to charge: wall, solar, car, Smart Generator
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A powerful, very quiet lithium iron phosphate power station that can run major appliances and act as a UPS. Weight, dimensions and outlet details are missing from the bullets.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0G1BS3HGZModel: Delta 3 UltraCategory: Generators
Styles Available
Need a different one? Pick on Amazon →
Overview
A lithium iron phosphate battery and a high output inverter power the EcoFlow station, strong enough for refrigerators, microwaves and power tools. Cooling is designed to run quietly, and it switches to battery fast enough to keep computers and routers on during outages.
High output that stays quiet is why to buy it, a rare pairing for overnight use in apartments and RVs. The bullets skip weight, size and outlet count, and capacity appears only in the product title.
Who it's for
Homes planning for outages, RV owners and off-grid users running heavy appliances will use its output. Anyone needing a light, carryable unit should look smaller.
Pros and cons
- High continuous and surge output
- Very quiet under load
- Fast UPS switchover
- Long life battery chemistry
- Weight and size not listed
- Outlet count not listed
- Capacity stated only in the title
Performance notes
Runtime depends on the watts you draw versus stored energy, so large appliances shorten it fast. Surge capacity handles the start up spike of motors like fridges and tools. The cooling design limits fan noise, which matters at night.
Specifications
| Brand | EF |
|---|---|
| Model | Delta 3 Ultra |
| Capacity & performance | |
| Output Wattage | 3600W continuous |
| Noise level | 25dB under load |
| Power & efficiency | |
| Engine Power Maximum | 7200W surge |
| Battery chemistry | LiFePO4 |
| Other details | |
| Additional Features | X-Quiet 3.0, X-Stream charging, CTC structure |
| Charging methods | Wall outlet, solar panels, car input, EcoFlow Smart Generator |
| Service life | 10 years of daily use |
| Ups switchover | Under 10ms |
Frequently asked questions
How big and heavy is the EcoFlow DELTA 3 Ultra?
The bullets do not give weight or dimensions.
Can the DELTA 3 Ultra run a refrigerator?
EcoFlow lists refrigerators, microwaves, heaters and power tools among the appliances it can run with 3600W continuous output.
How quiet is the DELTA 3 Ultra?
EcoFlow says 25dB under load.
How can I charge the DELTA 3 Ultra?
From a wall outlet, solar panels, car input or an EcoFlow Smart Generator.