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:
20 left in stock
Arrives
Sunday, May 17
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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.
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:
Sunday, May 17
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
๐ 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
- ๐ Solid construction with a durable design
- ๐ Excellent battery capacity and expansion options
- โก Rapid charging with robust output connections
- ๐ Efficient solar panel charging capability
- ๐ Seamless app connectivity
- ๐ผ Portable design suitable for outdoor activities
Cons
- ๐ Can have a loud fan during rapid charging
- ๐ฒ Higher price point compared to some competitors
- ๐ 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
One of the best performing, most versatile Ecoflow power stations I own! I have 6 larger Ecoflow power stations and use them all daily, but this is the first Delta 2 power station I have owned. I got it in Jan 26 with the 1kW extra battery, making it a total of 2kW when the extra battery is added. I have used it extensively since it arrived because it has a great balance of dependability, reasonable weight and size, high power output and fast recharge from both AC wall outlet and my solar panels. I love the fact that I can add the extra 1kW battery when needed or remove it for maximum portability. It really lends itself to being very flexible for many different uses. So far, I have used it to run some lights and charge my phone during a power outage. I have also used it to run floor fans for comfort and power kitchen appliances such as my tea kettle and water distiller. My wife has even used it to run her hair dryer then her hair curling iron! Looking forward to taking it camping later this year but my next project will be to try it out to power a small portable EV charger (in a pinch when I need a few extra miles of charge) for my Nissan Leaf EV....definitely looking forward to testing that! This unit really rounds out my Ecoflow device collection that keeps growing! This is the Ecoflow device I needed that I didn't know I was missing...one of the best!
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Reviewed in the United States on March 15, 2026 by Russell D.
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
Extremely functional, excellent quality, and provides everything I need. The description is perfect.
Reviewed in the United States on February 25, 2026 by Demelys Ortiz
Style: DELTA 2 with Extra Battery
I bought this plant jacket for my family in Cuba and it has been the best money I have invested in them. The load lasts a long time and you can put several pieces of equipment at the same time. I love it ๐ฅฐ
Reviewed in the United States on April 16, 2026 by Lisi
Style: DELTA 2 with Extra Battery
This Delta 2 exceeded my expectations with itโs durability, power, and portableness. I was impressed with the simple yet efficient design. The app works great too.
Reviewed in the United States on March 13, 2026 by Tc3og
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
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 canโt 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. Iโm 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 itโs not bad and it charges quick. I have an anchor Solix 300 which I love. I do have the app connected to it, but itโs not that big of a deal. I donโt think this has Wi-Fi functionality, but I havenโt looked at it that closely. I donโt 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
Great product overall, I was able to keep the my office setup running (network stack included) for almost 12 hours. The only issue that I had was when the battery flipped to drawing from the secondary battery it shut everything off due having to go into the settings on the extra battery and flipping on the AC switch. That really was a pain and something I would have assumed would have been on by default if the primary was flipped on. Outside of that, no real issues. I've also been able to run my full sized refrigerator off the pack (single battery) for ~14 hours. Definitely wait for sales prices.
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Reviewed in the United States on August 15, 2024 by David Escaloni