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
Thursday, Jan 15
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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:
Thursday, Jan 15
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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Similar Products
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+220W
The EF ECOFLOW DELTA 2 with a 220W solar panel is an excellent option for home backup power. It features a safe and long-lasting LFP battery, fast charging via both AC and solar power, and quiet operation. Its portable and user-friendly design allows you to power several essential devices during power outages. It offers very good quality and performance.
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Reviewed in the United States on December 21, 2025 by Isabel Sosa
Style: DELTA 2
What can I say - Ecoflow has breen one of the major players in the Portable Power Station market for several years. Their products are well regarded for their quality, capacity, durability and function! The Delta 2 has been a stalwart in the mid-level, 1024Wh space for a while and when Amazon reduced the price to the level I found this, it was a no-brainer to grab one. As expected, it works flawlessly. It is more compact than one might imagine. The design with the built in carrying handles makes it exceptionally easy to move around. At 27lbs, it has some heft to it but it is still easy enough to get it where you want it. The display is intuitive and gives you a quick and easy look at power in/out, remaining life, battery percentage, etc. Battery life has been on par with what I expect for a station with its rated capacity. Charging with the included AC cord from a standard 110v outlet has been exceptional! It really charges quickly. With the LiFePO4 battery, you can expect 3000+ charge cycles or about 10 years before the battery falls to 80% capacity. Even then, the device will still deliver! Ecoflow also has a matching spare battery that simply plugs into a port on the side of this unit and effectively doubles your capacity. They have been offering it at a very reasonable price as well. With that, you have a very capable power station that could provide quite a bit of power, all for less than $750 - which is what these 1024Wh units sold for all by themselves less than a year ago!
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Reviewed in the United States on November 14, 2025 by Bill Langton Bill Langton
Style: DELTA 2
Excellent portable power station. The EcoFlow 1800W has plenty of power, charges quickly, and is very reliable. I've used it for power tools, small appliances, and as a backup during power outages, and it has worked perfectly. The battery lasts a long time, and the app is very convenient for monitoring power consumption. High-quality product, highly recommended.
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Reviewed in the United States on December 15, 2025 by Andy Suárez Andy Suárez
Style: DELTA 2
I’m really impressed with this portable power station — it’s become an essential part of our home backup setup and outdoor adventures. It delivers strong power output with multiple outlets, allowing us to run phones, laptops, appliances, and more without any issues. The high capacity and expandable options give peace of mind during power outages or long trips. Charging is fast and convenient, whether from mains, a car, or solar panels, and the whole unit feels sturdy and well built. It’s also easy to monitor and control through the app, which adds a lot of convenience. Great value for the performance and reliability it offers!
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Reviewed in the United States on December 15, 2025 by Surelys Fleites
Style: DELTA 3 Classic
These power stations have really come a long way. You can now set schedules to turn them on and off. Turn on the Ecoflow Delta 3 Classic during peak hours when electricity is most expensive then off during off-peak hours all from the app! You can monitor usage and even get storm warnings too. With all these new features, it's only a matter of time before we start calling them "smart" stations! The feature that caught my attention the most is the near-instant (<10ms) switchover when the power goes out essentially making the Ecoflow Delta 3 Classic a viable UPS backup power source. It gave me the idea to hook this power station up between my fridge and my van. Under normal conditions, the fridge would draw power from the van itself. But now if I turn off the van for any reason, the power station automatically kicks and continues to power the fridge! And when I turn the van back on, it again automatically switches back to drawing power from the van! I no longer have to get into the trunk where the fridge is and switch out the cables manually. It is all seamless and truly hands-off now! One less thing to worry about on my road trips! Beyond that, I really have to give props to Ecoflow. Right from the unboxing you can tell that you are getting a quality product. The tape sealing the box that holds the charging cable has a small flap at the edge to make it easier for you to peel it off. The charging cable itself is hefty and clearly labeled. The bag that holds the instruction manual is not made of just any cheap plastic but the kind of plastic that has that soft velvety touch to it. Even the foam inside the box is of high quality. It is soft, it doesn't make that grating noise when you handle it, and it doesn't break apart and have little bits flying all over the place. The Ecoflow Delta 3 Classic itself has two nice-sized handles at the top on each side making it much easier to lift--especially in tight spots like, say, the back of a minivan. Two generous non-skid pads cover the bottom of the power station. On the input side, there is a cover that swings up to open and that can be tucked right into the power station itself and out of the way. Also, the two three-pronged outlets are oriented on their sides to flare outward so that whatever you plug into them won't get in each other's way. It's just genuine thoughtful designs throughout. All of this might seem trivial at first, but when taken altogether, it shows that Ecoflow is a company that cares. They stand behind their products and you can rest assure that you are getting great value for your money.
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Reviewed in the United States on October 10, 2025 by The_Eight The_Eight