EF ECOFLOW Portable Power Station DELTA2 with Smart Extra Battery, Expand Capacity from 1024Wh to 2048Wh, Solar Generator for Home Backup, Emergency, Outdoor Camping
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Availability:
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Arrives
Saturday, Jul 25
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Style: DELTA 2 with Extra Battery
Features
- Expandable Capacity. 1-3kWh expandable capacity to grow your storage to your needs. Add on the DELTA 2 extra battery to reach 2048Wh, or add on the DELTA Max Extra Battery to hit 3040Wh. Great for home backup or everyday appliances.
- Huge AC Output. 1800W AC output means you can power more than 90% of your home appliances. Or, try plugging in up to 15 devices at once. Unlike other brands, DELTA 2 can prevent overloading from devices up to 2200W thanks to X-Boost technology.
- 7x Faster AC Charging. X-Stream tech means that DELTA 2 charges 7 times faster than the competition. Thats 080% in just 50 minutes and 0-100% in 80 minutes with AC input.
- Go Green without Sacrificing Speed. Plug in portable solar panels and get up to 500W input to charge from anywhere in as fast as 3 hours.
- Built to Last 6x Longer. Get 10 years of daily use until hitting 80% of its original capacity. Thats down to its LFP battery chemistry giving you 3000+ cycles.
- Control from Anywhere. Use the EcoFlow app to control your DELTA 2 from anywhere using Wi-Fi. Link with Bluetooth when off-grid. Either way, you can check charging data, customize settings and adjust the charging speed with ease.
- 5-Year. Unlock an extended 5-year customer service for worry-free experience.
- *DELTA 2 Power Station and DELTA 2 Extra Battery will be arrived separately.
Description
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Specs & Other Info
| Specification | Details |
|---|---|
| Brand | EF ECOFLOW |
| Power Source | Solar Powered |
| Recommended Uses | Outdoor Use |
| Weight | 54 Pounds |
| Continuous Output | 1800 Watts |
| Peak Output | 2700 Watts |
| Special Features | Durable Design, Significant AC Output, Upgradeable Battery Capacity, Quick AC Charging |
| Included Components | DELTA2 Extra Battery, DELTA2 Power Station |
| Dimensions | 8.3"L x 11.1"W x 15.7"H |
| Model | DELTA2+EB |
| Engine Type | 4 Stroke |
| Frequency | 60 Hz |
| Manufacturer | EF ECOFLOW |
| Model Number | EFD330+EB |
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jul 25
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.
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Top Amazon Reviews
🚀 Abunda's Overview
This is our summary and key points to consider based on customer reviews.
The Ecoflow Delta2 has garnered praise for its high utility in outdoor activities such as camping, as well as a reliable backup power source for home use during blackouts, capable of running heavy appliances like refrigerators and microwaves. Highlighted are its solid build, clear display, seamless app connectivity, fast USB and solar charging capabilities, and an extensive number of output connections. Despite its higher price point compared to competitors like Bluetti, its expanded battery capacity and robust features like rapid charging and a long-lasting LFP battery justify the cost. Additionally, the optional solar panel combo and the possibility for battery expansion further enhance its value.
Pros
- 👍 Solid construction with a durable design
- 🔋 Excellent battery capacity and expansion options
- ⚡ Rapid charging with robust output connections
- 🌞 Efficient solar panel charging capability
- 🔄 Seamless app connectivity
- 💼 Portable design suitable for outdoor activities
Cons
- 🔊 Can have a loud fan during rapid charging
- 💲 Higher price point compared to some competitors
- 🔄 App may require occasional refreshing for the latest data
Should I Buy It?
If you're in need of a reliable, portable power station with rapid charging, extensive output options, and the potential for battery expansion, the Ecoflow Delta2 is a compelling choice despite its higher cost. Its utility in both outdoor and home backup scenarios, supported by its durable build and efficient solar charging capabilities, make it a solid investment for those seeking versatility and reliability in their power solutions.
Style: DELTA 2 with Extra Battery
Delivery was much faster than the estimated time although they were delivered separately. Battery life is great. The unit has been in use for several months now and has not disappointed even once. The weight is as described, definitely portable. It has enough power to run several electrical appliances including a freezer for a whole day at the very least if there's no more incoming charge. When charging source is as frequently available as solar energy, this system with just a couple of solar panels of the right caliber, can run lighting, communications devices, refrigerator, and air conditioning for the average home 24/7. And that's definitely able to cut down power consumption from the grid by a great percentage. I've now sent mine to a place where electricity from the grid is basically non-existent and it runs the entire place 24/7. The product is reliable and so is the brand. I'd buy from them again any chance I get. Disclaimer : I have not used an iron on it, neither did I run a stove or an oven. But it runs the blender quite well. But you may check specs first for both this unit and your appliances if you intend to run appliances like oven or anything else.
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Reviewed in the United States on May 2, 2026 by Rod
Style: DELTA 2 with Extra Battery
Solor panel works well ..., easy to set up , charge easily wether with or without the panel.. very compact with a build in battery in the power station, weight 30lb for the power station and 24 pound. For the solar panel ... They are manageable. Connect easily to the panel and to the phone use the app . .great buy , bought 1 with a extra battery and the 2 purchase with solar panel ... Worth the price
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Reviewed in the United States on February 27, 2026 by Annmarie M
Style: DELTA 2 with Extra Battery
Love our ECOFLOW Power Stations. Work well and easy to use. My husband liked our first one so much he has ordered several others in different power levels. Haven't needed it for any emergencies yet, but am confident it would meet the need.
Reviewed in the United States on May 10, 2026 by Harry A.White
Style: DELTA 2 with Extra Battery
Super easy to connect stuff to. I got the package because I wanted to be able to run my smoker without running a cord out my window at my apartment. I ran my heater for a while, which I can’t really do for more than a couple hours. But then I ran my air compressor off of it, which I loved and I can tell. I’m just gonna be using this thing for all sorts of stuff. I love that I can just use the big part if I want to just do something for a short time. But I have the extra if I need it. The fan runs while charging, but it’s not bad and it charges quick. I have an anchor Solix 300 which I love. I do have the app connected to it, but it’s not that big of a deal. I don’t think this has Wi-Fi functionality, but I haven’t looked at it that closely. I don’t think it really matters. I now have back up for my apartment if the power goes out again. I can use a double burner. I have to cook like everything will be fine. I can run the fridge, etc. etc. And I found them to be super light. And the build quality to be solid.
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Reviewed in the United States on December 8, 2025 by James D
Style: DELTA 2 with Extra Battery
I cooked a full batch of black beans using my pressure cooker powered by a 1024Wh EcoFlow Delta 2 starting at 70% charge. During the heat‑up phase, the cooker pulled a steady ~771W for about 10 minutes, which is almost exactly what you’d expect from an appliance rated at 800W. Once full pressure was reached, the wattage dropped dramatically to 0w. From that point on, the cooker only needed short bursts of around 767W for about one minute every 10–12 minutes to maintain pressure. The EcoFlow handled these cycles smoothly with no overload warnings or instability. The beans cooked for 40 minutes, plus an additional 10 minutes to finish softening. When the batch was done — perfectly tender, creamy, and evenly cooked — the EcoFlow still had 26% battery remaining. That means the entire cooking process used 44% of the 1024Wh battery. The EcoFlow 1024Wh + pressure cooker instant pot rio mini 3qt setup is reliable, predictable, and extremely energy‑efficient for off‑grid use.
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Reviewed in the United States on May 30, 2026 Reviewed in the United States on May 30, 2026 by Arlay
Style: DELTA 2 with Extra Battery
Works great. I ran my deep freezer on them for 3 days to test them. I'll have to find an alternate way to heat my rooms if the power goes out, those little heaters really suck the juice out of them. But great purchase overalls.
Reviewed in the United States on June 24, 2026 by Cyn
Style: DELTA 2 with Extra Battery
Waited until I used the ecoflow for a while to review. So far I have been pleased with this purchase. We used it at a picnic pavilion that didn't have power. Also used it to run some things in the house during a brief power outage. I have also added solar panels to charge system. The set up was very easy and was up and running in no time. I like being able to move the power station with no problem as each unit only weights about 27 lbs. Also no more gas and exhaust to worry about. The app makes it easy to see power coming in and power going out, but there's way to many ads from ecoflow. Battery life seems good, but I have nothing to compare it to as this is my first battery power station so no prior experience.
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Reviewed in the United States on December 24, 2025 by John K.
Style: DELTA 2 with Extra Battery
UPDATE: After following EcoFlow's reset directions for the Battery Management System (BMS) to get the battery and Delta 2 to sync and actually power our equipment for the correct amount of time, I'm changing from 5 to 1 star. I have discharged/charged these devices to 0 3x now, as directed, and yet the BMS system is NOT resetting. What does that mean? Instead of getting 10.5+ hrs out the unit per charge, I'm getting a little over 5hrs. the Delta 2 "sees" the battery in the app but when you plug them together it doesn't use the battery's power. Seeing it is winter and sunshine is a rare thing right now I am having to haul these batteries back and forth from our barn to the house to charge day after day. I might as well invested in grid power. Charging these via A/C day after day has made our electric bill spike 35% and that isn't even a full month's bill. Find the fix for this issue cuz the fix you provided, EcoFlow, is NOT working and I'm not the only one having this problem. We now have 2 sets of these Delta 2's+Smart Extra Batteries to use on our farm. I'm 5.4 135lb and I can easily carry these back and forth to charge via A/C when there is no to little sun. They are indeed portable. I did have an issue with the amount of available power displaying less than 1/2 of what it was supposed to but a quick email to customer service provided me with the easy fix. We use these to run 2x250watt heat lamps or 2x200 brooder plate heaters for our adult chickens in their coop. For the brooder plates, each Delta2 w/battery will run 10hrs in 15F weather. With the 30% fed tax rebate, they were a steal and a good value for the money. Our 1st solar power station purchase was a Jackery Explorer 2000 Pro and these are so much better. They are lighter, reliable, and charge much quicker. I love the app where I can track how much time I have left before depletion, how long before fully charged and I can set a schedule to turn the A/C ports on/off automatically. I def recommend EcoFlow.
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Reviewed in the United States on December 9, 2025 by Katanajo