EF ECOFLOW Solar Generator Delta 2 with 220W Solar Panel, 1024Wh LFP(LiFePO4) Battery, 1800W AC/100W USB-C Output, Fast Charging Portable Power Station for Home Backup Power, Camping & RVs
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Only 10 left in stock, order soon!
Arrives
Jun 4 β Jun 8
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Style: DELTA 2+220W
Features
- Clean, Green Charging. With up to 500W of solar panel input, DELTA 2 is a solar generator that can be charged while camping, on an RV trip or off-grid. Includes a 220W Bifacial solar panel to capture up to 25% more energy.
- Built to Last 6x Longer. Its LFP battery chemistry makes for a portable power station with a 3000+ cycle life. Enough for years on end of use. With a sophisticated BMS, you can go easy knowing its an auto-regulating portable battery to keep you safe.
- Power Almost Anything. Solar powered generator have come a long way. Power all your appliances with 1800W output, that's on par with outdoor generators without the fumes or noise. With 15 outlets and its huge output, you can power 90% of your appliances.
- Expandable Capacity from 1-3kWh. With the standalone portable power station sporting 1kWh, you can add on extra batteries to reach up to 3kWh. Ideal for camping, RVs or home backup power.
- What you Get. DELTA 2 Power station, 220W Solar panel, Adjustable kickstand case, AC charging cable, Solar charging cable, User manual, and an exclusive 5 customer service.
- *DELTA 2 and 220W Portable Solar Panel will be arrived separately.
Connector Type: USB Type A
Brand: EF ECOFLOW
Battery Capacity: 85
Color: Black
Special Feature: 7x Faster AC charging, Built to last 6x longer, Control from anywhere, Expandable capacity, Huge AC output See more
Connector Type: USB Type A
Battery Capacity: 85
Other Special Features of the Product: 7x Faster AC charging, Built to last 6x longer, Control from anywhere, Expandable capacity, Huge AC output
Voltage: 120 Volts
Power Source: Solar Powered
Number of Ports: 1
Portable: Yes
Compatible Devices: Mini Fridge
Output Wattage: 1800 Watts
Number of Outlets: 15
Antenna Location: Camping
Color: Black
Battery Cell Type: Lithium Ion
Item Weight: 58 Pounds
Item Dimensions L x W x Thickness: 11"L x 14"W x 20"Th
Unit Count: 1.0 Count
Item Dimensions: 15.7 x 8.3 x 11.1 inches
Battery Weight: 27 Pounds
Brand: EF ECOFLOW
Model Name: DELTA 2
Model Number: EFD330
Number of Items: 1
UPC: 842783120823
Built-In Media: 220W bifacial foldable solar panel, Built in Cables, EcoFlow DELTA 2 portable power station, Solar charging cable
Mfr Part Number: EFD330
Number of Batteries: 1 12V batteries required.
Warranty Description: 5 Years Manufacturer
Manufacturer: EcoFlow
Item Type Name: power-generators
Frequently asked questions
The time it takes to fully charge the EF ECOFLOW DELTA2 using the 220W solar panel can vary depending on weather conditions and the intensity of sunlight. On average, it takes about 3-6 hours of optimal sunlight to charge from 0 to 80% and an additional 2-3 hours to reach full capacity.
The LFP (LiFePO4) battery in the EF ECOFLOW DELTA2 is known for its long lifespan and is typically rated for up to 2000-3000 charge cycles before the capacity drops to 80% of its original capacity. With regular use, this translates to several years of reliable performance.
Yes, the EF ECOFLOW DELTA2 supports pass-through charging, meaning you can use it to power your devices while it is being charged by the solar panel or any other power source.
The EF ECOFLOW DELTA2 is equipped with a powerful inverter and can support high-power appliances up to its maximum output capacity. However, you should always check the power requirements of your appliances to ensure they do not exceed the generator's output rating.
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Top Amazon Reviews
π Abunda's Overview
This is our summary and key points to consider based on customer reviews.
The EcoFlow Delta 2 is praised for its portable convenience, high capacity, and flexibility with power sources. It is described as a game-changer for outdoor activities and emergency situations, capable of handling a range of appliances and devices with ease. Its rapid charging ability, particularly with optional solar panels, is highlighted, alongside its lightweight and manageable size.
Pros
- π High capacity, capable of powering a mini-fridge overnight with power to spare.
- β‘ High output wattage, with 1800 output watts able to run various appliances.
- π±User-friendly app UX/UI for convenient control and monitoring.
- π Rapid AC charging and compatible with solar panel charging for on-the-go power.
- π Portable and lightweight design, facilitating easy transport for outdoor use.
Cons
- π AC charging can be loud at max speed, potentially disruptive in quiet environments.
- β οΈ Protective covers over input ports may snag and tear, a minor annoyance for some users.
Should I Buy It?
If you are in need of a reliable, high-capacity, and portable power solution for a variety of settings, the EcoFlow Delta 2 comes highly recommended. Its ability to power a wide range of devices, ease of use, and fast recharging options make it a solid choice. Consider the noise it can produce during high-speed AC charging, but this portable power station appears to tick all the right boxes for most needs.
Style: DELTA 2+220W
The Delta 2 generator with solar panel has exceeded my expectations. It boasts excellent charging capacity, recharges quickly, and the solar panel operates efficiently even in moderate sunlight. It is ideal for emergencies, travel, camping, or as a home backup. It runs quietly, is easy to use, and inspires great confidence thanks to the quality of its materials. An investment that is absolutely worth it.
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Reviewed in the United States on May 22, 2026 by Yudelkys del Toro
Style: DELTA 2+220W
Background: Long time Ecoflow customer going back to Delta Pro pre-launch days. Have a few other of the Delta product line including Delta Pro, Delta Pro Extra Battery, Delta Max, Delta 2 Max, Delta 2 (950). Promoted the product through the family and everybody has atleast one in the Delta series. TL:DR: The Delta 2 has a robust inverter for it's weight class. Capacity can be expanded if additional runtime is needed. Solar panel is also a solid product, getting high 80% efficiency in mid winter. Will update again during sunnier weather. For the size and weight a solid product pair for mobility. The Good Delta 2: Solid product with impressive product warranty, robust battery chemistry, and monster of an inverter for the weight package. Any 5-15P corded appliance you can throw at it should be able to run with ease with the only concerning point being runtime depending on the wattage drawn which can be supplemented if I get the Delta 2 extra battery. The Good 220w Solar Panel: Solar panel yielding 80% of rated output in winter weather, looking forward to seeing what this thing can do during the summer with clearer skies and longer days. The Not a Fan Of: Super minor and personal preference but not particularly keep on the elastic bands for the 220w. Have other mobile solar panels that are less temperamental and prone to kick back. Usage Scenario in photo: No need to worry about where an outlet is for a backyard cook out. Plugged in a electric fryer (~1200w) only used for 30 mins, ICECO G20 (all day), and the ECOFLOW Multifunctional Outdoor Camping Light. Delta 2 Unit able to handle all 3 devices and with the additional charging from the panels had enough to keep lights on through the night.
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Reviewed in the United States on January 22, 2026 Reviewed in the United States on January 22, 2026 by G. K.
Style: DELTA 2+220W
I am very happy with this product. It charges quickly and holds a charge as it should. I have tested it thoroughly and it does everything the manufacture claims. There are areas for improvement but they are somewhat minor: The instructions included give very little detail about the App, how to install it, how to use it and how important it is. The fact is, you really must install the app so that you can update the firmware and to allow you to control the unit. The app also needs some refinement; sometimes the app will have trouble connecting to the delta 2 and sometimes it will show its connected but clearly it is not because the charge and discharge data on the app does not match the screen on the unit. I have found that you need to be very patient with the app, it may take several minutes to connect and many times you have to back out to the first page and click on the delta 2 to get it to update its connection. The solar panel seems to work but, you have to have very bright sunshine and have it aimed very precisely to get any charge. You will , most likely, need an extension cord for the solar panel, otherwise the solar panel will need to be right next to the delta 2 unit. I made an extension cord with some 12 gauge wire and connectors. The app has a feature allowing you to submit questions to customer support. I have sent a few questions this way and the answers I received took a while to get back to me and they were not great. I had to rely on online videos and a lot of trial and error to figure out how everything worked. The product is quite new so, there are not a lot of videos available yet. Overall I really like the product and would only request the manufacturer to supply more information about how to set up and use the product, especially in respect to the app. Update: The app seems to have some bugs I didnt notice earlier: You can change the charge/discharge range, from 0-100% or for example 30-60% (recommended to discharge to 30% then charge back to 60% Quarterly) or what ever you want to set it at. This is a great feature when it works but, lately when I set the app to adjust these setting, it just ignores them. Latter I checked and the settings were now at 4-97%? I have had the same type of issues with other app settings like the charging wattage. I hope Ecoflow will correct these issues soon. Still keeping at 5 stars because it is still best in class IMO.
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Reviewed in the United States on February 24, 2023 by G&K
Style: DELTA 2+220W
This solar generator seems excellent to me, the best thing that has been created. I sent it to my family in Cuba and it has been a great help for them due to the electricity situation that currently exists in the country. Thanks to this equipment they have been able to charge their phones, use some basic devices, and at least enjoy a little more quality of life while there is no power. It is very easy to use, works very well, and has a long duration. I really recommend it.
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Reviewed in the United States on March 16, 2026 by Yesenia
Style: DELTA 2+220W
First I want to say that this company needs to win an award for their customer service - a 5 star gold rating; I'd give more stars if I could! I purchased this unit on sale and then just a few days later it went down in price. My order was still being processed and had not shipped yet, and I really wanted the discount, so I contacted ECOFLOW to see if I could just cancel my order and then repurchase at the lower price, or maybe they could they just give me the difference in form of a refund to my credit card. Well that's exactly what they did! No fighting or begging; they just gave me the refund. I also had other questions regarding my new power station and they responded to me the very next day, and sometimes even in the same day. Each time they were helpful and very friendly (Eve, Lila, and Andy - thank you) You can't get better service that that! This is my first time purchasing a power station, and watched several videos on YouTube to see which company made a better unit, and hands down this company won due to their high quality units, and their excellent customer service was mentioned several times. So, I gave them a try and, I'm so glad I did. The unit is working extremally well. I have my new, large patio swamp cooler hooked up to the power station, and I'm using the included solar panels to avoid plugging into the electricity. I find it much more satisfying to watch the sun power my new swamp cooler, and in a few weeks my above ground pool filter, instead of watching my electric bill increase each month during the summer. I'm so happy with my purchase that I've already taken advantage of the current sale to buy a second solar panel to have around just in case I need it down the road. I will not hesitate to purchase form ECOFLOW again when I'm ready to get a larger unit for inside the house due to the power outages that seem to happen more often during the summers. In regards to the solar panel. In researching the power station I learned that many things could affect the intake wattage on your solar panels such as, where you live, the time of day, how intense the sun is, and of course the angle of the solar panels directed at the sun (being off even an inch could make a 5-10w, or more difference in the wattage your are pulling into your power station). In the end, you will likely never see the input advertised no matter which solar panel you purchase. With that in mind, it's currently 8:15am here in Phoenix AZ and my solar panel is pulling in around 175w which I think is pretty good for so early in the morning. Now, I saw another reviewer's comments where he had placed some type of reflector sheet in front, and in back, of his solar panel to try and pull in more watts. So, I thought I'd give that a try. Went out to my car, grabbed my cheep $5 sun reflector screen and placed it in front of my solar panel, and WOW, it went up to 195w. Since my solar panel is one of the Bifacial solar panels I think I might need to purchase something a little better than my $5 car screen so I can take advantage of both sides of my solar panel. I really couldn't be happier with this purchase.
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Reviewed in the United States on April 21, 2025 Reviewed in the United States on April 21, 2025 by Lambrinie
Style: DELTA 2+220W
I bought this power station as a backup to keep my fridge running during power outages without having to fire up my generator, and also as a primary power source when gas runs out, which I have experienced in the past. In my own testing, just plugging the fridge into the fully charged Delta 2 and letting it do it's thing, it took about 26 hours to drain to 20%, at which point the power station asked to be recharged. My fridge draws 110 watts when the compressor is running, but in the cold weather I'm currently experiencing, it didn't run a lot. Time will tell how it does during hotter weather. With one 220w panel and a few hours of sun every day, it should be able to run the fridge indefinitely, provided I get a few hours of sun a day. With a second panel, which I plan on adding on later down the road, I'd be able to run just about everything I might need during an outage indefinitely, short of the AC and stove (which if you can, switching to gas is worth it.) There are a few complaints I have. Firstly, there were some shipping haggles, and the panel didn't ship at the same time the power station itself did. I actually recieved the panel almost a week in advance of the station. The other issues are minor sticking points, but could be ironed out easily. Firstly, the settings for the station itself such as turning the beeper off, controlling charge rate and limit with different inputs and such is done exclusively through the app. I really don't feel this was necessary, and i think a few more buttons and widgets on the LCD would make this doable without an internet connection (!!) and without an app, which entails creating an account with EcoFlow. The app itself lacks a few features I think would be useful. Take the automations, for example. There is an option to trigger an automation by recieving a severe weather alert. Initially, I thought it was possible to keep the station at 80% (which for lithium batteries of any type, is the safer way to store them long-term) and then kick on AC charging to top it off to prepare for a storm. However, at least with the Delta 2, this is not possible. There are actually only four (technically two) things you can actually control with any of the triggers: turning on the AC outputs, turning off the AC outputs, turning on the DC outputs, and turning off the DC outputs. Nothing else. I think this is a huge missed opportunity, because I can't really think of a scenario in which I would need to automate those things specifically. The other haggle I have with the app is how little data it shows. I think it would be useful to a 24 hour history of input, output, and charge percentage. The only thing you really get to see is the thirty seconds or so of input and output shown on a unitless line chart at the top of the screen. All in all, I'm pleased with the purchase and I think it will serve me well. Time will tell how it does in more severe conditions and how it holds up to use.
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Reviewed in the United States on October 16, 2024 by Beefmaster
Style: DELTA 2+220W
A must-have for camping trips. I spend a lot of time camping in a teardrop trailer. Being able to use AC-powered appliances, fans, and being able to charge my electronics is a huge luxury. This unit packs plenty of battery power with enough outlets in both AC and DC to power all my electronics. I love the mobile app for quick access to charge levels and power control. The display is clean and easy to read. The battery is a good size, maintaining portability, given its capacity. I love the design of the case with easy-to-grab handles, and a flat top to stack if needed. Durabale, and a great value with the included solar panel. Everything packs up nicely, and provides plenty of power for a weekend of camping.
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Reviewed in the United States on March 5, 2026 by Matt
Style: DELTA 2+220W
This was my second purchase of the Delta 2 with 220 volt solar panel bundle. Company always replied promptly to any messages that I sent them and they even offered some compensation because of a slight (1 day) delay in delivery, but I declined since it was only 1 day. I love how these systems are modular and there are multiple ways to combine them so that users can buy one system and then add capacity to it with later purchases as finances permit. This is much better than simply having an extremely powerful system that has to be purchased all at once. Additionally, having a modular system such as this allows for redundancy, so that if one part should ever break, then I can still use the remaining parts interchangeably and don't have to replace the entire system. I combined these systems with a low power vehicle refrigerator, small portable hiking water heating kettle, and LED lights to create a system that conserves enough power to keep operating regardless of power outages and can be maintained indefinitely using the solar panels. The quick charging capability using 2 sets of solar panels is a huge help because one of the problems with solar generally, is that you can't assume full sun every day. So with these, even part of the day is more than sufficient. Additionally, since these are BI-FACIAL solar panels, you can boost the input by placing mirrors behind the panels. Amazon sells plastic squares of mirrors that serve this purpose at minimal expense. Overall, very happy with purchase(s) of these products.
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Reviewed in the United States on December 24, 2024 by A Different Name