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Availability:
Only 10 left in stock, order soon!
Arrives
Monday, Nov 2
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At a glance
- Condition
- New
- Style
- DELTA 3 Ultra
- Model
- EF-DL-H01-3U
- Dimensions
- 24.6 x 12.9 x 15.6 in
- Weight
- 72.1 lb
- Special Feature
- Portable
- Voltage
- 120 volts
- In the box
- DELTA 3 Ultra
- Warranty
- 5 year manufacturer
Features 5
- Built to Handle It All. With 3600W continuous output (7200W surge) powered by X-Quiet 3.0 technology, DELTA 3 Ultra is ready for nearly all your essential appliances. From refrigerators and microwaves to heaters and power tools, this portable power station delivers reliable performance at home, in your RV, or off-grid.
- <10ms UPS for Uninterrupted Backup. Never lose power when it matters most. DELTA 3 Ultra automatically switches to battery mode in under 10 milliseconds, keeping sensitive devices like PCs, Wi-Fi routers, and medical equipment running without interruption. No manual setup requiredjust instant peace of mind.
- Silent as a Whisper. Enjoy quiet, dependable backup power at just 25dB under load. Thanks to advanced cooling design, DELTA 3 Ultra is whisper-quiet, making it ideal for overnight use, small apartments, and RVs where silence and comfort are key.
- 4 Ways to Charge Up. Stay flexible with four fast charging options: wall outlet, solar panels, car input, or EcoFlow Smart Generator. With EcoFlows X-Stream technology, DELTA 3 Ultra recharges quickly so youre always prepared for power outages, road trips, or outdoor adventures.
- Built to Last. Equipped with a durable LiFePO4 battery, DELTA 3 Ultra is built for 10 years of daily use. Its EV-grade CTC structure and 24/7 battery protection system ensure reliable performance in extreme heat, cold, or heavy loadstrue resilience you can count on.
Specs 18
| Brand | EF ECOFLOW |
|---|---|
| Special Feature | Portable |
| Voltage | 120 volts |
| Recommended Uses For Product | Home Backup |
| Power Source | Solar Powered |
| Other Special Features of the Product | Portable |
| Output Wattage | 3600 |
| Number of Outlets | 3 |
| Antenna Location | Home Backup |
| Item Weight | 72.1 pounds |
| Item Dimensions | 24.6 x 12.9 x 15.6 inches |
| Model Name | DELTA 3 Ultra |
| Model Number | EF-DL-H01-3U |
| Number of Items | 1 |
| UPC | 842783192042 |
| Item Type Name | Portable Power Station |
| Manufacturer | ECOFLOW |
| Mfr Part Number | EF-DL-H01-3U |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 2
This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
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- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Delta 3 Ultra - an excellent choice
Style: DELTA 3 Ultra
A quick, but important note: this is the Delta 3 Ultra (3072Wh) with no battery expansion slots. If you think you may want to add extra battery capacity in the future, look for the silver Delta 3 Ultra Plus. Diving right in, the Delta 3 Ultra (aka D3U) might be the best unit in my EcoFlow collection so far. I have a few first, second, and third-generation Trail, River, and Delta units, and the D3U fits right in. I use my EcoFlow devices to recharge phones, tablets, and Ember mugs, but I knew I wanted a bit more capacity for longer run times. The D3U is now my home office power house. In a typical work day, my setup uses anywhere from 75-200W of power per hour, and the D3U handles it flawlessly. Since I’ve bought my first EcoFlow device, I haven’t had a power outage, but if I did, I’d be able to easily plug in and continue my work without issue. I also use my D3U to charge all of my other EcoFlow devices. I can plug in every unit I have to recharge, and still have ports available for more. It’s wintertime where I live, so solar recharging isn’t optimal right now. However, for the last few days of fall, I was able to connect my D3U to my solar setup and get a decent charge. Once it’s summer again, I’m pretty sure I could run my home office exclusively off of solar and the D3U. How cool is that?! Like my Delta 3, the D3U connects with the EcoFlow mobile app, where you can access additional settings and features to further customize your unit. My favorites are still the remote shut-off and power usage history logs. At 75lbs, the D3U is much heavier than the Delta 3 but still manageable - lift with your legs! The built-in handle and wheels are a breeze to use and the unit moves around with ease. One small critique I have is the button layout on the Delta 3 Ultra is a bit different from other Delta 3 units. Given that the front face and screens look similar, I would have expected the same buttons to be in the same place. It’s not a big deal, but a design change that confuses me when I’m manually turning the ports on and off. Overall, the Delta 3 Ultra is another great addition to the Delta series lineup. Don’t forget to register your unit for warranty, earn some EcoCredits in their rewards program, and *actively read the user manual* to learn how use and maintain your device for many years to come. Enjoy!
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Reviewed in the United States on December 14, 2025 by PraiseGranola
One of the better machines
Style: DELTA 3 Ultra
Was delivered on time and professional.
Reviewed in the United States on October 4, 2026 by wild E coyote
Powerful, Reliable, and Easy to Use
Style: DELTA 3 Ultra
The EF ECOFLOW DELTA 3 Ultra has an impressive 3,072Wh capacity and a long-lasting LiFePO4 battery. It is easy to operate and can power multiple devices through its various ports. The display clearly shows the battery level and power usage. I recommend it as a reliable backup power source for the home, travel, or emergencies.
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Reviewed in the United States on August 8, 2026 by Maricela621
Good purchase
Style: DELTA 3 Ultra
Absolute beast of a generator and vert durable! You get what u pay for. Kast for a while when running objects off of it. Will purchase one more.
Reviewed in the United States on June 20, 2026 by Jazmen
Eventually it worked well
Style: DELTA 3 Ultra
Once I troubleshooter with customer service, the next day everything seemed to work
Reviewed in the United States on October 12, 2026 by Kelly Carter
Power your whole home and more
Style: DELTA 3 Ultra
Until now, all of my power stations have been ultra portable. I purposely chose them because I use them camping and wanted to be sure what I could carry them. After a 12+ hour power outage in my neighborhood, I thought it was time to get something bigger to stay at home. At 3KWh battery capacity and 3600W power output, the DELTA 3 Ultra is a true option for powering devices at home. It can be used to power electric ovens, griddles, microwaves, air fryers and more. And, multiple at the same time. There are four 20A outlets and one 30A outlet that can be used with an RV. Also four USB ports - one of which is USB-A, so you can charge multiple phones, tablets, etc. at once. The 12V/Cigarette lighter port can be used with various DC appliances like refrigerators. Out of the box the power station was at 30% capacity. It took about 90 minutes to fully charge using the all outlet. By default the power station charges at 1600W and there is a switch at the back that must flipped to charge at slower speeds. The app is needed to change the charging speeds. I was able to make breakfast using an 1800W griddle and 1800W smart oven at the same time. After more than a half hour of use, there was still 70% of capacity. Then I was able to power a small space heater for 3 hours until the power station got to 6%. After charging up again, it easily powered the EcoFlow Wave 2 being use as a heater. This Delta 3 Ultra power station weighs over 74 pounds and it is a solid piece of hardware. The built-in wheels and telescoping handle make it a whole lot later to move around. It is easiest to move when it is standing tall. There is a step under the power station that must be stepped on for it to tilt onto the wheels to be moved. Note: this power station is not expandable, so you are maxed out at the 3KWh of capacity. Maximum solar input is 800W.
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Reviewed in the United States on November 5, 2025 by Outdoorsy
La calidad
Style: DELTA 3 Ultra
Excelente 👌 👌 👌
Reviewed in the United States on October 3, 2026 by Yailerys Medina
Ecoflow Delta 3 Ultra
Style: DELTA 3 Ultra
Excellent item, i recommend it.
Reviewed in the United States on September 29, 2026 by Andi Rey Vega Batista