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EF ECOFLOW

EF ECOFLOW Portable Power Station DELTA 2 Max, 2400W LFP Solar Generator, Full Charge in 1 Hr, 2048Wh Solar Powered Generator for Home Backup(Solar Panel Optional)

    • Based on 503 reviews
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Availability: Only 10 left in stock, order soon!
Fulfilled by EF ECOFLOW-US
Arrives May 17 – May 22
Order within 23 hours and 19 minutes
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Style: DELTA 2 Max 2048W


Features

  • Fuel up 80% in Only 43 Mins. With DELTA 2 Max's upgraded tech, combine up to 1000W solar input with AC for world-leading charging speeds. In only 43 min get an 80% charge. Or stick with AC for an 80% charge in a speedy 1.1 hour.
  • 10-Year Long-Lasting LFP Battery. LFP battery chemistry provides 3000 cycles till it lowers to 80% capacity. That's 6 more cycles than the industry average and more cost-efficient. EcoFlow DELTA2 Max electric generator also comes with an extended 5-year service.
  • Expandable Capacity from 2kWh to 6kWh. Triple the capacity of DELTA 2 Max with up to 2 extra solar powered batteries. Customize your energy depending on your needs. With a plug-and-play design, it's easier than ever to prepare for blackouts.
  • Power 99% of Your Household Devices. Run pretty much any of your home appliances with up to 2400W. With 15 outlets, there's space for any device, and using X-Boost mode, power high-wattage appliances with up to 3400W.
  • Quiet Charging. With volume levels starting from only 30 dB, DELTA 2 Max outdoor generator is perfect for powering devices overnight without disturbing sleep. Use the EcoFlow app to manage your energy use, set automations, and more.

Brand: EF ECOFLOW


Wattage: 2048 Watt-hours


Fuel Type: Electric


Power Source: Solar Powered


Recommended Uses For Product: Home Backup


Item Weight: 50 Pounds


Voltage: 120 Volts


Output Wattage: 2400


Special Feature: As Quiet as 30 dB, 2400W LFP Solar Generator, Expandable Capacity. Up to 6kWh, No fumes. No noise. No maintenance., 10-Year Long-Lasting LFP battery See more


Included Components: DC5521 to DC5525 Cable, User Manual, EcoFlow DELTA2 Max Power Station, AC Charging Cable, Car Charging Cable See more


Brand: EF ECOFLOW


Wattage: 2048 Watt-hours


Fuel Type: Electric


Power Source: Solar Powered


Recommended Uses For Product: Home Backup


Item Weight: 50 Pounds


Voltage: 120 Volts


Output Wattage: 2400


Special Feature: As Quiet as 30 dB, 2400W LFP Solar Generator, Expandable Capacity. Up to 6kWh, No fumes. No noise. No maintenance., 10-Year Long-Lasting LFP battery


Included Components: DC5521 to DC5525 Cable, User Manual, EcoFlow DELTA2 Max Power Station, AC Charging Cable, Car Charging Cable


Color: Black&Grey


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


Material: ABS


Model Name: EFD350


Engine Type: 4 Stroke


Ignition System Type: electric


Engine Displacement: 79 Cubic Centimeters


Runtime: 43 minutes


Frequency: 60 Hz


Engine Power Maximum: 2400 Watts


Starting Wattage: 4800 Watts


Item Weight: 50 pounds


Manufacturer: EF ECOFLOW


Country of Origin: China


Item model number: EFD350


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 17 – May 22

This item is non-returnable:

Non-returnable due to hazmat safety reasons

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Blackout Buster
Style: DELTA 2 Max 2048W
Review Image by DeusEx DeusEx
Review Image by DeusEx DeusEx
Review Image by DeusEx DeusEx
For a long time now, I've wanted a small generator to keep critical appliances up and running during power outages. Critical defined as: Refrigerator, sump pump, furnace blower (heat only), modem/wifi, TV, couple of lights, and personal electronics. So with this in mind, I purchased a Honda inverter generator a couple of years ago. The 2000W rating is enough for my needs as the major loads are intermittent. However, small gas generators have one glaring drawback. These become thief bait when not being monitored at night or when you're not home. So I decided a solar/battery generator would solve this problem. Put simply. Run the EcoFlow at night. Charge it with the gas generator during the day. With that in mind, my needs are a minimum 2000W output, runtime of 6 hrs with intermittent loads, pure sine wave output, and ability to charge from a less than 800W. I've decided to forgo the pros & cons and should you buy format of typical reviews. There's plenty of videos and written reviews if that's your jam. Instead I'll highlight the features that meet my needs and requirements. First this unit features 2048Wh array of Lithium batteries. This means (in theory) a 2000W load could be run for 1hr from this unit... Or a 100W load could be run for 20hrs... The real world physics and inefficiencies in DC-AC conversion make this impossible, but that's what Watt-hour rating refer to. But this will meet my need for an average 200W per hour load to run for at least 6hrs even with my battery limits set. (More on that below.) Output is 2.4kW with an optional boost of up to 3.4kW... check... I didnt bother testing up to these loads but theres litterally dozens of videos where peolple load their EF Deltas up with space heaters and hair dryers. But I have only seen one where somone reported the pure sine output... So I wanted to the investigate that one. One of the photos attached illustrates the output under a small load (25W) powering an LED TV veiwed though a Fluke 125B oscilloscope. This is an non-liear load so it could effect power factor and could be effected by modified sine output. But as the photo illistrates the waveform is a healthy pure sine wave, so no issues... I did monitor the load with a Fluke 289 checking voltage/frequency fluctuations and power factor issues. No issues to report. Let's talk about the phone app as seen though the second image. The app provides tons of telemetry on the unit. It's simple enough that non-electrical engineers can understand the important bits but allows for a lot of user configuration and connectivity. This unit connects to the internet via WiFi and pulls firmware updates. These allow the generator to be tweeked to improve efficiency and runtime. I'd like to highlight two screens in the app in particular. FIRST SCREEN) The AC input configuration. On the back of the generator (next to the C14 AC input) is a physical switch. First position is full speed charging. This allows the unit to be charged at up to 1800W. O.O OH my... that's a lot! 1800W is nearly twice what a microwave pulls. And like a microwave, if you choose to charge using the full speed charging you should do this on circuit where ONLY the EF is plugged in. Otherwise you will almost certainly trip a breaker. And NEVER charge at that rate through powers trips of extension cords. Most consumer cords/surge protectors just are not made for that much constant load. In fact I will only be using the full speed charging in a pinch... As in, I drive to the in-law's house to charge as quickly as possible. But frankly speaking, charging that quickly probably isn't great for the batteries. Just like cell phone, the quicker the charger charges the battery, the more heat needs dissipated. So option 2 is custom (or user specified) charge rate. In the app this is configurable from 200W to 1800W. Initially I set mine to 400W but have since set it to 300W. At that rate, it can charge from 20% to 80% in less than 6hrs. Charging slower does three things... Improves overall battery health by not generting as much heat, improves charging efficiency by not stressing the batteries or the charger, and leaves headroom for my usecase of charging from a 1800W Honda Gen. SECOND SCREEN) Battery charge-diacharge limits. The user can set min and max charge limits. Lithium batteries can be discharged much lower than lead-acid but my comfort limit is 30% and the hard floor in my opinion is 20%. Any lower any the batteries become damaged overtime. The same is true for the upper limit of Lithium batteries. 80% is a good safe limit. It's no accident that high speed charging time ratings are listed from 0 to 80%. Above 80% and the charger has to "pump" the current into the battery. Sort of like the last few strokes of a bicycle air pump. It becomes more difficult. Continually charging Lithium batteries to 100% will have a deleterious effect overtime. IMO, 80% is the maximum that the unit should be stored at. After removing from storage you can top it off if you want. For my use, I'll leave my setting as 20% min discharge and 80% max charge. If the outtage goes longer than one night I'll set the max to 100%. Overall I feel like the EcoFlow could've been my brainchild for a good as it fits my needs. But honestly I don't feel like my usecase is unique so that's the reason for this review. The Delta 2 Max is a good buy. Other than light fan noise, it's virtually silent. It's safe to use indoors, expandable, and a best friend to anyone lays awake at night worried about their sump pump or refrigerator. Couple of PSAs: I'm not getting into the floating neutral discussion. But if you plan on hooking this to a gas furnace, make sure you use something like an EZ-Gen or a small transfer switch that grounds the generstor. And use the supplied AC C13 cord. Don't use thinner gauge PC (C13) cords or extension cords as these can overheat, melt, or worse. ... show more
Reviewed in the United States on January 7, 2024 by DeusEx DeusEx
    • Perfect for a variety of uses!
Style: DELTA 2 Max+400W Solar Panel
So, two parts: 1: The Echo Flow Delta 2 Max I had initially just gotten this to be the power station for my camp setup. But thinking about it, it's a lot more than that. It can be used to recharge my RC batteries while at the RC field. It can power appliances at home. If you need to power a light system for the backyard. Power a projector and laptop while out at the park. It's portable power... This is 50 lbs. It is heavy. But the handles are sturdy. Packing it into my SUV I can put things on top of the station and it won't slide off. The handles are study, if this is the only thing you are carrying at the moment, no problem. For the amount of power it stores, 50 lbs is about right. 85" TV and 350W speaker bar/sub 13 hrs run time. Yeah, I like this thing! 2: The Echo Flow 400W Solar Panel So, in full sun light, if you line it up to the sun exactly, I get about 389W of power coming through. to line it up close to what's needed to get max wattage, get the Solar Angle Guide. Changing the angle with the Solar Angle Guide 10 degrees, increased output from 326W to 384W. Well in that particular instance. In the evening shade, no direct sun light, I was getting about 36W of power. I've only completed one full charge during various times of the day. So I can't give you an exact how long it'd take from 30% or less with good sun light to charge with this panel. But I would say about 9hrs at least for a 70% charge? I need to play around with the charging more to a have a better idea on how long and what level of sun light. ... show more
Reviewed in the United States on April 22, 2024 by Nathaniel George
    • Excellent Product! Worth every penny.
Style: DELTA 2 Max+220W Solar Panel
Bought the ecoflow delta 2 max for power for my vendor tent at live events. Have only tested at home so far but I will be taking it to a 2 day festival next week and I think it will do great. Charges crazy fast through AC outlet. Charging with solar panel is obviously slower charging but it does charge up just fine. AC outlet will charge it with like 1650 watts and gets to 100% in a bit over an hour. With the 220w solar panel I got, I set it to charge from 60% and it said about 11 hours till full, but I also don't think my panel was at an optimal angle because it was only outputting about 150w. Love how the panels fold up into the case, very portable, and for the most part I feel like the case offers some good protection during transport. Performance is impressive, for what I need it for. I need to run 1 3d printer on display, lights, charging for my phone and other electronics of course. at 100% charge, I ran 1 of my 3d printers off of it for over 11 hours and the battery was only 60%. I think this setup will work PERFECTLY for a vendor booth. This is going to make my setup really pop. ... show more
Reviewed in the United States on April 20, 2024 by Unreal 3D Manufacturing & Design

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