Search  for anything...

EF ECOFLOW Solar Generator DELTA 2 Max 2048Wh With 400W Solar Panel, LFP Battery Portable Power Station Up to 3400W AC Output Fast Charging 0-80% in 43 Min solar powered generator For Camping, RV

  • Based on 1,299 reviews
Condition: New
Checking for the best price...
$1,349.00 Why this price?
Save $1,450.00 was $2,799.00

Buy Now, Pay Later


As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.


Availability: 20 left in stock
Fulfilled by EcoFlow Inc.

Arrives Aug 6 – Aug 9
Order within 14 hours and 27 minutes
Available payment plans shown during checkout

Style: DELTA 2 Max+400W Solar Panel


Features

  • [Fast Green Charging] Charge DELTA 2 Max wherever there's sun with portable solar panels. With a single 400W panel that has a high conversion efficiency of up to 23%, top-up in 5.1 hours. Add another 400W panel and charge in as fast as only 2.6 hours. Ideal for power outages at home or outdoor.
  • [0-80% in 43 Mins] DELTA 2 Max utilizes EcoFlow's dual charging technology, and with a combined solar and AC input of 2400W, 80% charge in only 43 min. Or stick with AC for an 80% charge in a speedy 1.1 hour.
  • [Upgraded LFP Battery Offers More Than 10 Years of Use] LiFePO4 battery chemistry provides 3000 100% charging cycles till it lowers to 80% capacity. That's 6 more cycles than the industry average and more cost-efficient. DELTA 2 Max also comes with an extended 5-year service.
  • [Power 99% of Your Household Devices] Run pretty much any of your home appliances with an output of up to 2400W. With 15 outlets, there's space for any device. Plus, with X-Boost mode, power some high-wattage appliances with up to 3400W.
  • [Lightweight & Waterproof Panels] Our 400W portable solar panel is robust, IP68 weatherproof, and designed to survive the rugged outdoors. Weighing ony 35.3 lb, this foldable, compact panel with it's own waterproof case is easy to pick up and take anywhere.
  • [Customized Smart App Controls] Customize the working time of DELTA 2 Max to avoid peak rates. Easily adjust AC or solar input to fit your needs: Prioritize solar energy input via the EcoFlow app when using X-Stream AC + solar dual charging. Get a notification via the app when the battery hits a low.

Brand: EF ECOFLOW


Wattage: 2048 Watt-hours


Fuel Type: Solar


Power Source: Solar Powered


Recommended Uses For Product: Residential, Camping


Item Weight: 23 Kilograms


Voltage: 220 Volts


Output Wattage: 2400


Special Feature: Portable


Included Components: EcoFlow DELTA 2 Max Power Station, AC Charging Cable, Car Charging Cable, DC5521 to DC5525 Cable, User Manual, 400W Solar Panel, Kickstand Case, User Manual,Snap Hooks, Solar to XT60i Charging Cable See more


Brand: EF ECOFLOW


Wattage: 2048 Watt-hours


Fuel Type: Solar


Power Source: Solar Powered


Recommended Uses For Product: Residential, Camping


Item Weight: 23 Kilograms


Voltage: 220 Volts


Output Wattage: 2400


Special Feature: Portable


Included Components: EcoFlow DELTA 2 Max Power Station, AC Charging Cable, Car Charging Cable, DC5521 to DC5525 Cable, User Manual, 400W Solar Panel, Kickstand Case, User Manual,Snap Hooks, Solar to XT60i Charging Cable


Color: Black&Grey


Product Dimensions: 12.2"L x 9.7"W x 20"H


Model Name: EcoFlow DELTA 2 Max


Engine Type: 4 Stroke


Ignition System Type: electric start


Engine Displacement: 79 Cubic Centimeters


Runtime: 43 minutes


Total Power Outlets: 15


Frequency: 60 Hz


Engine Power Maximum: 2.4E+3 Watts


Starting Wattage: 3.4E+3 Watts


Running Wattage: 3.4E+3 Watts


UPC: 842783130969


Manufacturer: ECOFLOW


Item Weight: 50.6 pounds


Item model number: 220V DELTA 2 Max + Painel Solar de 400W


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Aug 6 – Aug 9

This item is non-returnable:

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
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Very impressive
Style: DELTA 2 Max+400W Solar Panel
The main reason I bought the battery was to have a power backup due to the constant blackouts that occur here. As I learned, I realized that it not only serves as a backup battery but also supplies free energy (via the solar panels) to the areas with the most electricity consumption in my house (kitchen, laundry room, my office etc..., which is where we spend most of the day). It works as an inverter. While the two 575-watt panels recharge the battery at the two charging ports, the battery supplies voltage at the same time, and when the sun goes down, the consuming power without needing the grid electricity (using just the battery). This has reduced my consumption electricity bill by more than half. It's a super powerful device and really worth the investment. P.D it is really funny when the entire block is without power and just my home totally lighted, I really enjoy it when everyone turns their head and look like asking them self why this house has electricity? lol ... show more
Reviewed in the United States on July 22, 2025 by Aaron Cantu

  • So Far, Very Good
Style: DELTA 2 Max+220W Solar Panel
I've read a LOT of reviews, watched a LOT of Youtube videos and had given the purchase of a solar generator (actually, it's just a big rechargeable battery) a LOT of thought. I won't go into all the specs and technical junk since a lot of the other reviewers have done all that. I will just try and briefly discuss What I think about it. I spent around $1,700 for it but that included a big 200 watt solar panel. I see now that the whole package has even gone down a couple hundred dollars to around $1.500 but I still think I got a pretty good deal. I'm a 66 year old female and though both the battery and solar panels are heavy, I can still move them to where I want them. It's summer time here in the Deep South so I laid the solar panel flat on the ground where strong sunlight could shine on it. I had to move the battery fairly close to the panels since the connection cords are only so long, however I set it on a garden stand up off the ground and covered it with a white reflective towel to keep it from getting hot. The color of the battery is dark grey and will absorb a lot of heat if left out uncovered. And for crying out loud, don't forget about it and leave it out in the rain, or it will be ruined. My battery was at 38% charge when unpacked from the box it was shipped in. After 2 days of being charged by the solar panel (and with adjustments made for the movement of the earth and sun) it got to 76% charge. I like having the option to charge it by use of solar panels (and you can connect 2 of them at the same time but I only used the one it came with), but I hope I don't have to use them very often, since it's not a very efficient way to charge it. I charged it the rest of the way to 100% using a household outlet. I chose this particular solar generator (battery) because of the many high reviews, the price, and an output of 2400 watts will power a LOT of things such as refrigerators, freezers, a washing machine, coffee pots, microwave and all the smaller electronics and crap one thinks they'll need if the power should go off for several days. BUT!!! It won't power big appliances for more than 2 or 3 days before needing recharging. That's where the gas generator really comes in handy. It can be used just long enough to recharge the solar battery then shut off to save gas. That's my plan anyway if it should come to it. I think having both a solar generator and a gas/propane generator is the best way to do it as long as you have enough fuel. I connected my now fully charged solar battery to a mini fridge and it stayed nice and cold for 3 days until I disconnected the fridge and plugged it back into a regular outlet. I learned that if you're going to store the battery long term, that it needs to be at 50% or slightly less of a charge to keep the battery safe from self-damage. I don't know the details about why it needs to be at a lower charge, but whatever. The digital readouts are easy to see, it can be connected by an app to your phone, which would be nice in case you needed to see how things were going at the ol' homestead while you were out foraging for berries and non-poisonous mushrooms. But wait! If there's been an EMP then nothing will work anywa................! I suggest learning how to build a Faraday cage and storing your expensive battery in it when it's not needed. The solar panels are huge. Good luck figuring out how to keep them from getting melted if the bombs fall or the sun belches out a big one in our direction. But, you can only do what you can do...... So far, I really like my big battery. I have absolutely nothing negative to say about it. If it should fail for some reason I will be here to update this review even before you hear the sonic boom I created getting here. Oh yeah! I forgot to mention shipping. The battery took about a week after ordering to arrive and it was very well packaged. The solar panel was shipped separately and took about another week (two weeks after initial order) to arrive in very good condition. I chose to purchase it through Amazon because I'm very familiar with Amazon and it was several hundred dollars cheaper than if I bought it directly from Ecoflow. And shipping is free with Prime. ... show more
Reviewed in the United States on July 30, 2024 by loveguitar

  • Amazing Product, Even Better Support!
Style: DELTA 2 Max+220W Solar Panel
I started with the ECOFLOW Delta-2 by a mishap, but it was easily cleared up by their superior customer service. I now am the proud owner of the Delta 2 MAX. I have some photos of the readings from a gloomy/overcast/cloudy day, where I was still pulling some wattage to charge the system (around 35-45 watts) Then some sunny day shots of the panels set up using their built-in stand=works very well, especially since it is actually a built-in stand from the protective/zip up cover/storage for your expandable panels. They fold out easily and set up just as easy. Make sure to take advantage of the dual surface capabilities! I have pumped out 190+ watts using reflective materials that project the sun's rays unto the back of the panels as well. With the sun at 10-2 pm, and no reflective materials set up yet, I was cranking out 140-160 watts, as shown in the pics. I do not remember if I got the 190+ watt shots, but I will check my phone and post if I can find them, if not, I will get some as soon as I drain the MAX and have to charge it back up. These panels are rated at 220W, and saving you from boring details of specs etc., that equates to around 140-160+- watts during full sun in California. If you need to charge it fast for a trip, use the wall plug, it CRANKS the watts, I have a shot where its at 1152 wats from the wall outlet in my house. The max is portable and light for what it pumps out, "quietly". I am around 6' 200lb weight lifter type guy, and it is light for me, I can carry the generator in 1 hand, and the panels in the other, so many of you fellow muscle guys & gals will be able to do the same I'm guessing, otherwise, just make 2 trips or get a buddy. I also show some shots of it running a dyson vac & washing machine at the same time=EASY for the max. I ran my fridge with the D-2, so the max will have no problem with the fridge as well. The customer service is amazing, responsive to you within 24 hrs, sometimes within the same day=few hours even. They are so professional and kind, even fun to speak with. All have been from the Philippines, and I have YET to receive anything less than superior customer service quality from the Philippines, its as if they were born with superior CS skills built in. I am very grateful for their abilities to handle any and all issues I had after my initial purchase, and the follow up is just as high quality. AND, the issues were minor, and few. Mainly my misunderstanding of specs/etc. as I am quickly learning about the solar products. They have been a HUGE help & friends to my new venture into solar power. YES, I said FRIENDS! Think of one of your best friends, and they stand behind their products like a best friend would stand behind you. Why do I mention this? Because I know how I felt about purchasing my first solar generator, the anxiety & plethora of questions in my head. I have been researching for a few Years, and I am 100% glad I chose ECOFLOW, and I have complete confidence to put MY NAME on their customer service and product support. Bottom line, you CANNOT GO WRONG with ECOFLOW products if all their CS reps are like the ones I spoke with, PLUS their products are performing up to and beyond expectations! At this point, a few months in to owning the MAX, I am extremely happy, and satisfied with every aspect of their company, how often can any of us say that today? I will be investing in a whole home system sometime in the near future, and ECOFLOW is at the top of the list. ... show more
Reviewed in the United States on October 5, 2023 by The Sicilian The Sicilian

  • Right Gear for Going Solar.
Style: DELTA 2 Max+Extra Battery
Bought since one year ago, been working well without frustration to us. Feel comfortable and confident during black outs due to harsh weather and temporary power outages. It serves us sufficiently for cooking, air frying, massager and recharging other appliances. Good quality.
Reviewed in the United States on July 19, 2025 by Octosec H.

  • Amazing solar powerstation
Style: DELTA 2 Max+400W Solar Panel
This power station has served me during power outages. Its able to power our TV, cable modem, some lights and a fan without issues. It can even power our 5000btu portable air conditioner for almost 4 hours from 100% charge. It has two charging solar ports which I have two 400w panels hooked up to it. Battery life is great with little degradation for the 2 years that Ive used it. Only thing I wish was that the power outlets were in the front instead of the back of the unit. ... show more
Reviewed in the United States on June 8, 2025 by Vic

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...