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EF ECOFLOW 240V/7200Wh, 7200W Home Battery Backup: 2 DELTA Pro with Double Voltage Hub, Lifepo4 Power Station, Electricity Generator for Home Use, Blackout, Emergency

4.4 4.4 out of 5 stars 383 ratings

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2 DELTA Pro with DVH
240V/7200Wh

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About this item

  • 【Whole House Generator】The Double Voltage Hub doubles the AC output to 7200W and 240V. Battery backup has never offered this kind of output, so you can run 99% of all home appliances, including high-wattage ones like a clothes dryer or electric heater. Easily chain together two DELTA Pros using the Double Voltage Hub and plug in to your breaker panel via an transfer switch or power inlet box.
  • 【Large Capacity】Each DETLA Pro features a 3600Wh LFP battery capacity. It provides strong electrical storage for home battery backup power supply and outdoor camping. Applied with DELTA Pro Extra Batteries or Smart Generators, the electric generator can expand its capacity from 3.6kWh to 25kWh.
  • 【X-Stream Fast Charging】Fully recharge a single DELTA Pro in 1.8 hrs with 240V outlets(3000W), 2.7 hrs with 1800W wall outlets or solar charged in 3.5-7 hours with 3*400W solar panels thanks to the industry-leading solar conversion efficiency of up to 23%. Ideal for juicing up the battery between short outages. EcoFlow’s X-Stream charging technology isn't just fast, it's safe too with the battery management system.
  • 【5 Ways to Charge】Pick from EV station charging, solar, wall outlets, using the Smart Outdoor Generator or via a car outlet. Faster than any other 3000 watt solar generator. Keep going for miles when your electric vehicle runs out of battery. Either at home or on the go, DELTA Pro will have you back on the road in no time.
  • 【15 Versatile Outputs】A single DELTA Pro includes 15 outlets and ports: 5*AC outlets, 4*USB-A ports, 2*USB-C ports, 2*DC ports, 1*car power output and 1*Anderson port. Power all your devices such as cell phone, tablet, camera, radio, projector, night light, mini fan and so on.
  • 【Smart App Control】Use the EcoFlow app via Wi-Fi or Bluetooth. Monitor the status of all your devices and power sources that are charging your portable power station. Check on charge level, temperature and charge/discharge times. Control from afar and customize all settings, such as battery life, input/output, and more. Break down your energy habits or customize your energy usage to fit your needs.
  • Kindly note that you can combine two Delta Pro units together to get more capacity when drawing from the 240V outlets. It is not recommended using the second Pro unit as an extra battery when drawing from the 120V oulets on the unit itself.
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EF ECOFLOW 240V/7200Wh, 7200W Home Battery Backup: 2 DELTA Pro with Double Voltage Hub, Lifepo4 Power Station, Electricity Generator for Home Use, Blackout, Emergency
EF ECOFLOW 240V/7200Wh, 7200W Home Battery Backup: 2 DELTA Pro with Double Voltage Hub, Lifepo4 Power Station, Electricity Generator for Home Use, Blackout, Emergency
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Price-24% $4,999.00
List:$6,549.00
-28% $2,599.00
List:$3,599.00
-7% $4,098.00
Typical:$4,399.00
-33% $5,398.00
List:$7,999.00
-21% $1,499.00
Typical:$1,899.00
-33% $2,798.00
List:$4,199.00
Delivery
Get it Mar 27 - 28
Get it Mar 27 - 29
Get it Mar 27 - 28
Get it Mar 27 - 28
Get it Mar 27 - Apr 1
Get it Mar 27 - 28
Customer Ratings
Charging power
4.8
4.2
4.7
4.6
4.2
Portability
4.1
4.2
4.2
4.3
4.2
Value for money
4.0
4.2
4.1
4.6
4.2
Maneuverability
4.2
4.6
3.7
4.6
Noise level
4.7
4.5
4.7
4.7
Sold By
EF ECOFLOW-US
EF ECOFLOW-US
EF ECOFLOW-US
EF ECOFLOW-US
EF ECOFLOW-US
EF ECOFLOW-US
fuel type
Electric
Non-gasoline
Non-gasoline
Non-gasoline
Electric
Non-gasoline
power source
Battery Powered
Battery-powered, Solar-powered, Gas-powered
Battery Powered, Solar Powered
‎Battery-powered, Solar-powered, Gas-powered
Solar Powered
Battery Powered, Solar Powered, Gas Powered
engine type
4 Stroke
4 Stroke
4 Stroke
4 Stroke
4 Stroke
wattage
7200 watt hours
3600 watt hours
3600 watt hours
3600 watts
2048 watt hours
3600 watt hours
voltage
120 volts of direct current
120 volts
120 volts
120 volts
120 volts
120 volts
engine displacement
79 cubic centimeters
79 cubic centimeters
79 cubic centimeters

From the brand


Product Description

Other Choices about DELTA Pro

delta pro

DELTA Pro

extra battery

DELTA Pro Extra Battery

dual fuel generator

Dual Fuel Generator

solar generator

DELTA Pro+400W

dp+eb

DELTA Pro+Extra Battery

dp+dfg

DP+Dual Fuel Generator

dp+db+dfg

DP+EB+Dual Fuel Generator

Customer Reviews
4.4 out of 5 stars
383
4.4 out of 5 stars
269
4.4 out of 5 stars
23
4.4 out of 5 stars
152
4.4 out of 5 stars
269
4.6 out of 5 stars
177
4.6 out of 5 stars
177
Capacity
3600Wh 3600Wh / 3600Wh 7200Wh 3600Wh 7200Wh
Voltage
120V 120V 120V 120V 120V 120V 120V
Watt
3600-4500W 3600-4500W 1800W 3600-4500W 3600-4500W 3600-4500W 3600-4500W
Weight
99 lbs 84 lbs 67 lbs 135 lbs 183 lbs 166 lbs 250 lbs
AC Output Ports
5 x AC 5 x AC / 5 x AC 5 x AC 5 x AC 5 x AC
APP Control
X-Stream Fast Charging

Product information

Technical Details

Additional Information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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EF ECOFLOW 240V/7200Wh, 7200W Home Battery Backup: 2 DELTA Pro with Double Voltage Hub, Lifepo4 Power Station, Electricity Generator for Home Use, Blackout, Emergency


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Important information

Wattage

7200 Watt-hours

Bulb Voltage

120 volts_of_direct_current

Customer reviews

4.4 out of 5 stars
4.4 out of 5
383 global ratings

Customers say

Customers like the ease of use, value, and charging of the electricity generator. For example, they mention it's easy to set up and use, the instructions take close reading, and is relatively affordable. Some are happy with performance, and appearance. Opinions are mixed on battery life, weight, and quality.

AI-generated from the text of customer reviews

68 customers mention54 positive14 negative

Customers like the performance of the generator. For example, they say it works great, both power stations work flawlessly, and is impressive. Some say the functionality with the app is awesome. That said, most are happy with their purchase and recommend it to others.

"...Wheels for easier transportation- Strong Research & Development and Engineering teams who create innovations that Goal Zero, Jackery/Generark,..." Read more

"AMAZING FOR TOU POWER PLANS! Great product, built like a tank (it even has wheels!)..." Read more

"Charged it up. Took 2 hours from 29%. Hooked it up and it runs flawlessly. Powers my well and barely breaks a sweat...." Read more

"...Worked great, kept our refrigerator humming and after 9 hours, still had 80% battery left...." Read more

34 customers mention24 positive10 negative

Customers like the charging of the generator. They say it charges quickly, has a long battery life, and is easy to charge with the grid or solar. The unit has no problem supplying the power needed for the heater. The display is easy read and the unit has many charging options. Overall, customers are satisfied with the quality, power, and operability of the product.

"...Slow/Custom: 200W – 1,800W-- Slow charging is gentler on the battery, prolongs its lifetime, and minimizes risk of tripping the circuit..." Read more

"...Great product, built like a tank (it even has wheels!) charges incredibly fast, I'm not using this as an emergency backup..." Read more

"...For the fourth time since owning the Delta Pro, it momentarily cut power for no discernible reason while only 300 to 400 watts were being..." Read more

"This was easy to charge with the four part solar panel. Have had it for a year and just used it during a 9 hour power outage...." Read more

19 customers mention19 positive0 negative

Customers are satisfied with the appearance of the electricity generator. They mention that the design is outstanding, the APP looks relatively good, and the screen information and look are nice. The product is well built, and intuitively designed. Customers also appreciate the switch over panels that come with the generator. Overall, they are happy with their purchase and recommend it to others.

"...Although the Delta Pro still looks quite nice, Goal Zero's Yeti X series is housed in a mostly metallic enclosure that helps dissipate heat and is..." Read more

"...Connects to the app well and the app is great with a lot of information. This unit is a beast!! Got the extra battery so am set for emergencies...." Read more

"...The related android app is also steller...." Read more

"...there and you can always put together a DIY but I was impressed by how smart and portable this thing is...." Read more

18 customers mention18 positive0 negative

Customers find the electricity generator easy to use. They mention that the instructions take close reading, but the program uploaded and connected easily. The quality cables and connections are easy to connect. Hooking up solar panels are a quick plug in. The manual is clear and easy to read, and the approach is logical.

"...Quality cables and easy to connect. Can you tell I love this thing!! It should give me many years of service...." Read more

"...use in different rooms, but the handle and wheels make it as easy as pulling a cart or wheelbarrow..." Read more

"...Although the approach is somewhat logical, there are two issues: It assumes that everyone is using solar (which is not always true); and while it..." Read more

"...Set up was easy. Display was easy to read. Fully charged (A/C) in short period of time. Only time will tell how long the charges last...." Read more

18 customers mention13 positive5 negative

Customers like the value of the electricity generator. They say it's worth the money, affordable, and has solid features that warrant the price. Some say the unit is a beast and well worth the peace of mind.

"...Safer, less volatile, and thus cheaper to manufacture- Charge cycle: 1500-2000 (10+ years)..." Read more

"...This unit is a beast!! Got the extra battery so am set for emergencies...." Read more

"...For me, it is well worth the peace of mind to know that when the power goes out for a day or two, I will still be able to run my refrigerator, be..." Read more

"...On the value for money I gave 4 stars because it is very pricey, but if you can afford it, it’s money we’ll spent...." Read more

33 customers mention21 positive12 negative

Customers are mixed about the quality of the electricity generator. Some mention that it is a very well made piece of equipment, while others say that they have a defective unit and no way to get a warranty replacement.

"...Goal Zero had been the gold standard for a long time with its market leading quality, safety record, and philanthropy roots, but the Delta Pro..." Read more

"...Two units were fried when I connected THEIR solar panels. So now I am a little hesitant to connect them again. Other than that I like the Delta Pro...." Read more

"...Got the extra battery so am set for emergencies. Quality construction, so glad that it has wheels because it is Heavy... With the wheels and handle..." Read more

"AMAZING FOR TOU POWER PLANS! Great product, built like a tank (it even has wheels!)..." Read more

22 customers mention11 positive11 negative

Customers are mixed about the battery life of the electricity generator. Some mention that it runs a long time and is great for all of the power outages they experience. However, others say that the unit arrived with zero power and the AC power plug does nothing. Some customers also say that after 2 days the battery was down to about 20% and that they can't use the battery while it is hooked up to AC charging.

"...Slow charging is gentler on the battery, prolongs its lifetime, and minimizes risk of tripping the circuit breaker--..." Read more

"...As shown in the 2nd and 3rd photos, the unit is drawing more watts than the setting...." Read more

"...Can you tell I love this thing!! It should give me many years of service...." Read more

"There is a design flaw with these units. You can't use the battery while it is hooked up to AC charging...." Read more

20 customers mention13 positive7 negative

Customers are mixed about the weight of the electricity generator. Some mention that it's nice and compact but heavy, so good to have the wheels. Others say that it is quite heavy, which is to be expected, and adds weight. That said, some say it'll be difficult to work with due to the weight distribution.

"...Plastic enclosure helps shed some weight but is not as heavy-duty as Goal Zero's Yeti X line-..." Read more

"...Quality construction, so glad that it has wheels because it is Heavy... With the wheels and handle it is easy to roll around the house...." Read more

"...The unit is heavy but has a handle that extends out of the bottom of the unit and (2) back wheels which helps in moving it. Set up was easy...." Read more

"...can always put together a DIY but I was impressed by how smart and portable this thing is...." Read more

Blew my mind. Am a loyal Goal Zero/Jackery fan, but add Ecoflow to my small list now
5 Stars
Blew my mind. Am a loyal Goal Zero/Jackery fan, but add Ecoflow to my small list now
This battery is a BEAST and surprised me with its design. This is coming from someone who has reviewed over a dozen battery brands, including Goal Zero, Jackery, BigBlue, Rockpals, Aimtom, and the like. Goal Zero and Jackery are two of my favorites, but this Ecoflow surprised me indeed and has skyrocketed to one of the top brands I have tested and used thus far.IN A NUTSHELLThe EcoFlow Delta Pro packs so many features and nuances, it took a surprisingly long time to summarize my thoughts for this review. It is one HECK of a beast of a power station! Although I was not able to test many of the capabilities due to my limited budget, reading and researching about some of the functions kept me in awe.Goal Zero had been the gold standard for a long time with its market leading quality, safety record, and philanthropy roots, but the Delta Pro definitely should put the company on notice with an ecosystem that surprisingly surpassed Goal Zero's in many ways. Offering a 3,600Wh battery capacity that could be expanded to 25,000Wh nearly doubles what Goal Zero could currently offer at 15,671Wh, and its AC inverter leapfrogs Goal Zero's 2,000W of continuous power and 3,500W surge with double that: 3,600W and 7,200W, respectively. What that translates to is more devices and appliances that can be left running for many more days than homes with the Tesla Powerwall or large LG batteries commonly paired with home solar panels.Specifications and numbers aside, the Delta Pro has an impressive set of input (charging) options, including AC wall, EV charger (a first!), solar, DC-producing gas generator, and possibly a wind turbine in the near future. What wowed me was the rapid charging capability when specific EcoFlow products are combined: 6,500W! Goal Zero's best only charges at 600W, and two years ago, THAT number dropped my jaw. Charging a Delta Pro and Smart Extra Battery (7,200Wh) at 6,500W would take them from empty to full in less than 2 hours — SUPER impressive! Goal Zero's 600W would have taken over 10 hours.What additionally sets the Delta Pro apart is its Double Voltage Hub that can double the capacity and output of various Delta Pro product combinations. Tack on the Solar Tracker that uses a top-mounted sensor to follow the sun for maximum exposure, a Smart Generator that uses gasoline to produce DC power to directly feed into the Delta Pro, and you have a good support system to maximize battery capacity to run appliances with for longer, if not infinite, time periods.A large, colorful display provides information about the battery's status, and although it is beautiful, it lacks the details that Goal Zero's higher-end products provide. EcoFlow makes up for that with its gorgeous smartphone app that also tracks historical data to help the owner make a variety of decisions from.I really like the telescoping, retractable handle built into the EcoFlow: extend it to one of two lengths to tilt the battery backwards, then pull and roll the 99-pound Delta Pro across the house — at least, that's the theory. Dragging the heavy battery on uneven grounds (like gravel) or traversing stairs is a huge challenge with the Pro's small wheels. Did you notice the weight I had just mentioned? Ninety-nine pounds is no joke for the average person to carry up a flight of stairs! Goal Zero's Roll Cart, on the other hand, with its larger wheels conquer those obstacles and surfaces with much more ease.The EcoFlow tries to shed some of its LiFePO4 battery weight and cost by using a mostly plastic exterior. Although the Delta Pro still looks quite nice, Goal Zero's Yeti X series is housed in a mostly metallic enclosure that helps dissipate heat and is more durable. Metal withstands impact force better than plastic, no doubt about that, but also adds weight. Two distinctive, exterior design philosophies each with their own pros and cons. Delta Pro is physically larger than the higher-capacity Yeti 6000X (6,071Wh), for some reason.What surprised me despite all the impressive features of the 3,600Wh Delta Pro, it still costs just a little more than the lower-capacity, 3,032Wh Goal Zero Yeti 3000x. That makes it a great value!Overall, it both pains and delights me to see the Delta Pro kicking Goal Zero's Yeti X line to the curb. On one hand, Goal Zero now painfully looks a bit outdated, and on the other hand, Delta Pro has set a new bar that slaps Goal Zero in the face to wake up and innovate. Competition is always good for the consumer, and so, Goal Zero, what will you do next? EcoFlow has a winning product portfolio on its hands that is difficult to beat.ANALYSISAs one of Time Magazine's "Best Inventions of 2021" under the "Sustainability" category, EcoFlow's Delta Pro power station deservedly turned some heads. It certainly caught my attention with its wide list of features, expansion options, and accessories primarily geared for home use. Market leader, Goal Zero, offers a similar range of products, but EcoFlow does so in a sleeker — and at times more innovative — package. The configuration options gave me some struggles to write about while researching the Delta Pro because there were so MANY, most of which I could not test because it would have cost over $30,400 to collect the entire ecosystem for the "full experience"!Bear with me! There is a LOT to discuss because of EcoFlow's vast ecosystem of products. I will attempt to summarize the important ones and how they work with the Delta Pro.Delta Max vs Pro: The Max is a smaller, lighter version of the Pro with less capacity at 2,016 Wh, a smaller AC inverter, and no transport wheels.BATTERY CAPACITYThe Delta Pro offers 3,600 Watt-hours of battery capacity — how long something can run for — that can be expanded with up to two EcoFlow Smart Extra Batteries (3,600 Wh each) for a combined total of 10,800 Wh simply by connecting them with a pair of cables. That could power a typical home drawing 750-1,000W of power per hour for 10-12 hours. Double that to 21,600 Wh by linking another set of Delta Pro and 2 Extra Batteries via either the EcoFlow Smart Home Panel or the Double Voltage Hub. Finally, this can further be expanded to 25,000 Wh through the use of a Smart Home Panel, 2 Delta Pros, 2 Extra Batteries, and 2 EcoFlow Smart Generators — a gas-powered generator that produces virtually unlimited DC output (as long as gasoline is available) for more efficient charging of the Delta Pro.Goal Zero can only store up to 10,871 Wh with a Yeti 6000X and 4 Yeti Tank Expansion Batteries. Let that sink in. The market leader is actually BEHIND in this area.EcoFlow's Smart Home Panel can power up to 10 electrical home circuits during a blackout, the Double Voltage Hub can double the Delta Pro's capacity with the addition of another unit, and the Smart Generator can provide gas-generated DC power to the Delta Pro for more efficient charging. Furthermore, the generator can directly be controlled by the Delta Pro so it would only be started when needed.POWER OUTPUTAnother area the Delta Pro shines at is what devices — and how many of them — it can power at the same time. Its AC inverter can operate at a continuous 3,600W of energy and surge up to 7,200W. If those numbers do not make sense to you, do not worry. I will go over Continuous vs Peak (Surge) in more detail later.You can throw a number of high-powered devices, like a home air conditioner, refrigerator, TV, laptop, and hair dryer at it with no problem whatsoever as long as their combined power usage does not exceed 3,600W. The Continuous output can be expanded to 4,500W with X-Boost, or 7,200W by combining 2 Delta Pros with either a Smart Home Panel or Double Voltage Hub.Goal Zero's flagship Yeti 6000X can only go 2,000W continuously and peak at 3,500W — numbers that were impressive and unheard of when the product was announced in 2020.BATTERY TECHNOLOGYThere has been a lot of debate on whether Nickel Manganese Cobalt (NMC) or Lithium Iron Phosphate (LiFePO4) -- both are Lithium-ion (Li-ion) -- is better. Goal Zero, Jackery, and most of today's power station manufacturers use NMC, but why do EcoFlow and Bluetti use Li-ion LiFePO4 when they are bulkier and heavier? They hold some important advantages over Li-ion NMC:- Safer, less volatile, and thus cheaper to manufacture- Charge cycle: 1500-2000 (10+ years)-- NMC: 20-25% capacity loss after every 500 cycle (6-10 years for up to 2000 cycles, after which capacity is vastly diminished)-- EcoFlow claims 3500 cycles before dropping to 80% of original capacity and 6500 to 50%. Those are some VERY optimistic projections that I do not think are accurate in actual usage- Usable in more extreme temperatures (-4F/-20C to 176F/80C). NMC: only 140F/60C max- Holds 350-day charge. NMC: 300AC CHARGING SPEEDSTip: A record-breaking input of 6,500W (!) can be achieved by combining AC + Solar + Smart Generator charging! (A Smart Extra Battery must be connected to the Delta Pro for this to work.)The back of the Delta Pro has a toggle for how much power it should draw for charging: Fast or Slow/Custom.- Fast: 1,800W (120V @ 15A) or 3,000W (240V @ 12.5A)-- 0-80% in 2 hours and to 100% after another 45 mins- Slow/Custom: 200W – 1,800W-- Slow charging is gentler on the battery, prolongs its lifetime, and minimizes risk of tripping the circuit breaker-- Custom allows the Delta to charge at a configured rate so the wall circuit would not be overloaded. That's an EXCELLENT feature to have!--- Example: If an AC Circuit can only handle 1,200W and a coffee maker uses 800W, then the Delta Pro should be configured to charge at no more than 400W (1,200W – 800W)-- Configurable through the EcoFlow appTip: AC charging is prioritized over DC when both are connected simultaneously. Never use an extension cord to charge the Delta Pro with unless it's a heavy-duty one.If the Delta Pro is used in pass-through UPS (uninterruptible power supply) mode, the internal circuit will turn off its inverter if it detects the AC wall outlet getting overloaded (ie. passing through more than 20A). This means that it could shut off at 1,200W without ever reaching its 3,600W capacity. To use the full 3,600W, disconnect it from the wall and let the battery provide that power.Note: Using a battery as a UPS (charging and outputting at the same time) could shorten its lifetime.PROS- Impressive battery capacity (3,600Wh – 25,000Wh)-- Superfast, configurable charging speeds (200W – 1,800W or up to 6,500W under specific conditions!)- LiFePO4 technology provides for 10+ years of power-- Up to 2,000 – 3,000 cycles based on my research (I do not believe EcoFlow's claim of lasting much longer than 6,500 cycles. Hope they prove me wrong 15-20 years from now!)-- Much safer and stable than Lithium-ion NMC- Large AC inverter with continuous 3,600W (7,200W peak) of output-- Enough to power a typical home for days — or, when used with the EcoFlow (Gas) Smart Generator and/or set of solar panels, virtually forever-- Pure-Sine Wave AC Inverter--- Clean power for sensitive electronics--- Less heat--- Note: Some manufacturers claim to be Pure-Sine when they are actually Modified or Square Waves- High-quality BMS (Battery Management System) for safety-- Provides built-in overload, overcharge (automatic stop when the device is full), and short-circuit protection- Expansion/augmentation ecosystem with EF Solar Panels, Double Voltage Hub, Smart Generator, Extra Smart Batteries, Smart Home Panel, wind turbine (not yet available), EV charging station, and Remote Control- Impressive input and output options, including a NEMA 30A for RV hookup-- Up to 1,600W of solar charging- Carry handle is strong enough to run a cable lock through for theft deterrence- Can be used in pass-through UPS mode, though that can shorten the battery's lifetime- Beautiful, large, color information display- Built-in, retractable handle- Wheels for easier transportation- Strong Research & Development and Engineering teams who create innovations that Goal Zero, Jackery/Generark, and Bluetti cannot ignore-- Competition hopefully continues to spur better products from all companies- Beautiful, informative EcoFlow smartphone app with historical data (for Apple iOS and Android)CONS- Heaviest power station (99 lbs) I have ever reviewed-- Weight is due to the use of 3,600Wh of LiFePO4 battery cells instead of NMC--- Comparison: Goal Zero, despite using a more heavy-duty, metallic enclosure, has the Yeti 3000X (3,032Wh) weigh at 70lbs, Yeti 6000X (6,071Wh) at 106 lbs-- Difficult to move up stairs, lifting onto truck bed, or pulling across gravel ground — especially with the small wheels- Plastic enclosure helps shed some weight but is not as heavy-duty as Goal Zero's Yeti X line- Bulkier than Goal Zero's Yeti 3000X and 6000X-- Although I was not able to borrow my friend's Goal Zero Yeti 6000X for a full comparison review, I took a photo of the Delta Pro next to it for size comparison- Outputs 3,600W continuously only if powered from its battery and not in a 120V UPS pass-through configuration- No vehicle integration kit- Cable to link Delta Pro with additional Smart Batteries is too short, limiting how and where the batteries can be placed- Car Cigarette Port only accepts 96W of input at 12V-- Goal Zero Yeti X and Jackery Explorer series can take 120W (12V @ 10A)- Many configuration options are only available through the EcoFlow smartphone app and not from the Delta Pro itself- Anderson Power Pole (APP) solar part is configured vertically (like Goal Zero, but in reverse)-- Most companies arrange APP horizontally-- Can be remediated by buying an APP extension cable, such as those by iGreely, and re-arranging it- Manual: Not as detailed and as many helpful tips as Goal Zero's- Not an American company- Not waterproof. Keep it away from water splashes, rain, and pool!USAGECONTINUOUS VS PEAK OUTPUTIt is important to understand the difference between Watts and Watt-Hours. How much power is used or produced is measured in Watts, and how much energy a battery can store is calculated in Watt-Hours. See the "Calculations" section below for more details.How much energy a battery can store is measured in Wh (Watt-hours), and how much power is used or produced in W (Watts).- AC Inverter: Converts battery (DC) power into AC-- Delta Pro provides 3,600W continuous output with a 7,200W peak- Peak/Surge (Starting): Nearly every device initially draws extra power to turn on. The highest amount it pulls is the Peak. As long as that number is below 7,200W, it can be STARTED. Because the Delta Pro's capacity is so high, it is difficult to provide examples for devices that start at over 7,200W. So, to illustrate the concept, I will use the Goal Zero Yeti 1000 Core's specs (2,400W peak and 1,200W continuous) as examples.-- Turns on OK (PEAK under 2,400W):--- Freezer starts at 400W (peak), runs at 150W once on--- Coffee maker starts at 1,400W (peak), runs at 800W once on-- Will NOT turn on (PEAK over 2,400W):--- Home AC starts at 4,000W (peak), runs at 1,000W once onMost devices power on at a higher (Peak) wattage than when they are already on (Continuous). Therefore, if its peak exceeds the power station's max, it may not be able to start- Continuous Output (Running): Once devices are on, as long as they keep drawing less than 3,600W total, they will stay ON until the battery runs out-- CONTINUES running (under 3,600W)--- 100W TV + 60W laptop = 160W-- COULD STOP running (over 3,600W)--- Temporary overdrawing beyond 3,600W for a few seconds is okay. A quality BMS will protectively shut down the battery if the surge does not end after a while. Regularly going over for a prolonged time can ruin the battery in the long run--- 300W appliance (500W peak) + 1,000W Home AC (4,000W peak) + 800W Coffee maker (1,400W peak) + 1,200W Miter saw (2,400W peak) + 400W appliance = 3,700W. Probably will stay on for a short period---- Add 1,000W mower (1,400W peak) = 4,700W. Battery will definitely shut downCALCULATIONS - SIZE & TIMEWhat size battery should you get? How long will it power your fridge for? How long will it take to recharge? The below calculations can help answer those questions and are rough ESTIMATES as conditions, battery quality, and age can vary.TIME TO CHARGE BATTERY- Calc: Hours to charge battery = Battery capacity (Wh) / Input Wattage-- Note: As battery approaches 75% full, the input charge will increasingly be slowed down to prevent overcharging- AC Wall: 1,800W @ 2 hrs [3,600 Wh / 1,800W]CHARGE TIME WITH SOLAR- Calc: Hours to charge battery = Battery capacity (Wh) / (Panel Wattage x [0.5 or 0.75])-- In a perfect lab environment, solar panels charge at the listed wattage-- Expect to only receive 50-75% on a good, sunny day (ie. 75W – 113W for a 150W panel), depending on panel's age, component quality, and weather- Two 400W solar panels: as fast as 6 hours [3,600Wh / (2 x 400W x 0.75)]WATTS USED/PRODUCED- Calc: Watts used or produced by device = Voltage x Amperage- Vacuum with 120V @ 9.5A uses 1,140W- Solar panel with 12V @ 10A can produce up to 120WIDEAL BATTERY SIZE- Calc: Battery capacity (Wh) = Watts used by device x Hours needed for / 0.85-- 10-15% of power is lost during power conversion- 45W car fridge needed for 8 hours: Minimum 424Wh power station (45W x 8 / 0.85)How much energy a battery can store is measured in Wh (Watt-hours), and how much power is used or produced in W (Watts).TIME BEFORE BATTERY IS EMPTY- Calc: Hours available for device = Battery capacity (Wh) x 0.85 / Watts used by device-- 10-15% of power is lost during power conversion- 60W laptop with 505Wh battery: Up to 7.2 hours (505Wh x 0.85 / 60W)TIME TO CHARGE DEVICE- Calc: Hours to charge device = Device's battery capacity (Wh) / Input Wattage- 60W laptop with 200Wh battery: Up to 3.4 hrs (200 Wh / 60W)
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Reviewed in the United States on February 24, 2022
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5.0 out of 5 stars Blew my mind. Am a loyal Goal Zero/Jackery fan, but add Ecoflow to my small list now
Reviewed in the United States on February 24, 2022
This battery is a BEAST and surprised me with its design. This is coming from someone who has reviewed over a dozen battery brands, including Goal Zero, Jackery, BigBlue, Rockpals, Aimtom, and the like. Goal Zero and Jackery are two of my favorites, but this Ecoflow surprised me indeed and has skyrocketed to one of the top brands I have tested and used thus far.

IN A NUTSHELL
The EcoFlow Delta Pro packs so many features and nuances, it took a surprisingly long time to summarize my thoughts for this review. It is one HECK of a beast of a power station! Although I was not able to test many of the capabilities due to my limited budget, reading and researching about some of the functions kept me in awe.

Goal Zero had been the gold standard for a long time with its market leading quality, safety record, and philanthropy roots, but the Delta Pro definitely should put the company on notice with an ecosystem that surprisingly surpassed Goal Zero's in many ways. Offering a 3,600Wh battery capacity that could be expanded to 25,000Wh nearly doubles what Goal Zero could currently offer at 15,671Wh, and its AC inverter leapfrogs Goal Zero's 2,000W of continuous power and 3,500W surge with double that: 3,600W and 7,200W, respectively. What that translates to is more devices and appliances that can be left running for many more days than homes with the Tesla Powerwall or large LG batteries commonly paired with home solar panels.

Specifications and numbers aside, the Delta Pro has an impressive set of input (charging) options, including AC wall, EV charger (a first!), solar, DC-producing gas generator, and possibly a wind turbine in the near future. What wowed me was the rapid charging capability when specific EcoFlow products are combined: 6,500W! Goal Zero's best only charges at 600W, and two years ago, THAT number dropped my jaw. Charging a Delta Pro and Smart Extra Battery (7,200Wh) at 6,500W would take them from empty to full in less than 2 hours — SUPER impressive! Goal Zero's 600W would have taken over 10 hours.

What additionally sets the Delta Pro apart is its Double Voltage Hub that can double the capacity and output of various Delta Pro product combinations. Tack on the Solar Tracker that uses a top-mounted sensor to follow the sun for maximum exposure, a Smart Generator that uses gasoline to produce DC power to directly feed into the Delta Pro, and you have a good support system to maximize battery capacity to run appliances with for longer, if not infinite, time periods.

A large, colorful display provides information about the battery's status, and although it is beautiful, it lacks the details that Goal Zero's higher-end products provide. EcoFlow makes up for that with its gorgeous smartphone app that also tracks historical data to help the owner make a variety of decisions from.

I really like the telescoping, retractable handle built into the EcoFlow: extend it to one of two lengths to tilt the battery backwards, then pull and roll the 99-pound Delta Pro across the house — at least, that's the theory. Dragging the heavy battery on uneven grounds (like gravel) or traversing stairs is a huge challenge with the Pro's small wheels. Did you notice the weight I had just mentioned? Ninety-nine pounds is no joke for the average person to carry up a flight of stairs! Goal Zero's Roll Cart, on the other hand, with its larger wheels conquer those obstacles and surfaces with much more ease.

The EcoFlow tries to shed some of its LiFePO4 battery weight and cost by using a mostly plastic exterior. Although the Delta Pro still looks quite nice, Goal Zero's Yeti X series is housed in a mostly metallic enclosure that helps dissipate heat and is more durable. Metal withstands impact force better than plastic, no doubt about that, but also adds weight. Two distinctive, exterior design philosophies each with their own pros and cons. Delta Pro is physically larger than the higher-capacity Yeti 6000X (6,071Wh), for some reason.

What surprised me despite all the impressive features of the 3,600Wh Delta Pro, it still costs just a little more than the lower-capacity, 3,032Wh Goal Zero Yeti 3000x. That makes it a great value!

Overall, it both pains and delights me to see the Delta Pro kicking Goal Zero's Yeti X line to the curb. On one hand, Goal Zero now painfully looks a bit outdated, and on the other hand, Delta Pro has set a new bar that slaps Goal Zero in the face to wake up and innovate. Competition is always good for the consumer, and so, Goal Zero, what will you do next? EcoFlow has a winning product portfolio on its hands that is difficult to beat.

ANALYSIS
As one of Time Magazine's "Best Inventions of 2021" under the "Sustainability" category, EcoFlow's Delta Pro power station deservedly turned some heads. It certainly caught my attention with its wide list of features, expansion options, and accessories primarily geared for home use. Market leader, Goal Zero, offers a similar range of products, but EcoFlow does so in a sleeker — and at times more innovative — package. The configuration options gave me some struggles to write about while researching the Delta Pro because there were so MANY, most of which I could not test because it would have cost over $30,400 to collect the entire ecosystem for the "full experience"!

Bear with me! There is a LOT to discuss because of EcoFlow's vast ecosystem of products. I will attempt to summarize the important ones and how they work with the Delta Pro.

Delta Max vs Pro: The Max is a smaller, lighter version of the Pro with less capacity at 2,016 Wh, a smaller AC inverter, and no transport wheels.

BATTERY CAPACITY
The Delta Pro offers 3,600 Watt-hours of battery capacity — how long something can run for — that can be expanded with up to two EcoFlow Smart Extra Batteries (3,600 Wh each) for a combined total of 10,800 Wh simply by connecting them with a pair of cables. That could power a typical home drawing 750-1,000W of power per hour for 10-12 hours. Double that to 21,600 Wh by linking another set of Delta Pro and 2 Extra Batteries via either the EcoFlow Smart Home Panel or the Double Voltage Hub. Finally, this can further be expanded to 25,000 Wh through the use of a Smart Home Panel, 2 Delta Pros, 2 Extra Batteries, and 2 EcoFlow Smart Generators — a gas-powered generator that produces virtually unlimited DC output (as long as gasoline is available) for more efficient charging of the Delta Pro.

Goal Zero can only store up to 10,871 Wh with a Yeti 6000X and 4 Yeti Tank Expansion Batteries. Let that sink in. The market leader is actually BEHIND in this area.

EcoFlow's Smart Home Panel can power up to 10 electrical home circuits during a blackout, the Double Voltage Hub can double the Delta Pro's capacity with the addition of another unit, and the Smart Generator can provide gas-generated DC power to the Delta Pro for more efficient charging. Furthermore, the generator can directly be controlled by the Delta Pro so it would only be started when needed.

POWER OUTPUT
Another area the Delta Pro shines at is what devices — and how many of them — it can power at the same time. Its AC inverter can operate at a continuous 3,600W of energy and surge up to 7,200W. If those numbers do not make sense to you, do not worry. I will go over Continuous vs Peak (Surge) in more detail later.

You can throw a number of high-powered devices, like a home air conditioner, refrigerator, TV, laptop, and hair dryer at it with no problem whatsoever as long as their combined power usage does not exceed 3,600W. The Continuous output can be expanded to 4,500W with X-Boost, or 7,200W by combining 2 Delta Pros with either a Smart Home Panel or Double Voltage Hub.

Goal Zero's flagship Yeti 6000X can only go 2,000W continuously and peak at 3,500W — numbers that were impressive and unheard of when the product was announced in 2020.

BATTERY TECHNOLOGY
There has been a lot of debate on whether Nickel Manganese Cobalt (NMC) or Lithium Iron Phosphate (LiFePO4) -- both are Lithium-ion (Li-ion) -- is better. Goal Zero, Jackery, and most of today's power station manufacturers use NMC, but why do EcoFlow and Bluetti use Li-ion LiFePO4 when they are bulkier and heavier? They hold some important advantages over Li-ion NMC:
- Safer, less volatile, and thus cheaper to manufacture
- Charge cycle: 1500-2000 (10+ years)
-- NMC: 20-25% capacity loss after every 500 cycle (6-10 years for up to 2000 cycles, after which capacity is vastly diminished)
-- EcoFlow claims 3500 cycles before dropping to 80% of original capacity and 6500 to 50%. Those are some VERY optimistic projections that I do not think are accurate in actual usage
- Usable in more extreme temperatures (-4F/-20C to 176F/80C). NMC: only 140F/60C max
- Holds 350-day charge. NMC: 300

AC CHARGING SPEEDS
Tip: A record-breaking input of 6,500W (!) can be achieved by combining AC + Solar + Smart Generator charging! (A Smart Extra Battery must be connected to the Delta Pro for this to work.)

The back of the Delta Pro has a toggle for how much power it should draw for charging: Fast or Slow/Custom.
- Fast: 1,800W (120V @ 15A) or 3,000W (240V @ 12.5A)
-- 0-80% in 2 hours and to 100% after another 45 mins
- Slow/Custom: 200W – 1,800W
-- Slow charging is gentler on the battery, prolongs its lifetime, and minimizes risk of tripping the circuit breaker
-- Custom allows the Delta to charge at a configured rate so the wall circuit would not be overloaded. That's an EXCELLENT feature to have!
--- Example: If an AC Circuit can only handle 1,200W and a coffee maker uses 800W, then the Delta Pro should be configured to charge at no more than 400W (1,200W – 800W)
-- Configurable through the EcoFlow app

Tip: AC charging is prioritized over DC when both are connected simultaneously. Never use an extension cord to charge the Delta Pro with unless it's a heavy-duty one.

If the Delta Pro is used in pass-through UPS (uninterruptible power supply) mode, the internal circuit will turn off its inverter if it detects the AC wall outlet getting overloaded (ie. passing through more than 20A). This means that it could shut off at 1,200W without ever reaching its 3,600W capacity. To use the full 3,600W, disconnect it from the wall and let the battery provide that power.

Note: Using a battery as a UPS (charging and outputting at the same time) could shorten its lifetime.

PROS
- Impressive battery capacity (3,600Wh – 25,000Wh)
-- Superfast, configurable charging speeds (200W – 1,800W or up to 6,500W under specific conditions!)
- LiFePO4 technology provides for 10+ years of power
-- Up to 2,000 – 3,000 cycles based on my research (I do not believe EcoFlow's claim of lasting much longer than 6,500 cycles. Hope they prove me wrong 15-20 years from now!)
-- Much safer and stable than Lithium-ion NMC
- Large AC inverter with continuous 3,600W (7,200W peak) of output
-- Enough to power a typical home for days — or, when used with the EcoFlow (Gas) Smart Generator and/or set of solar panels, virtually forever
-- Pure-Sine Wave AC Inverter
--- Clean power for sensitive electronics
--- Less heat
--- Note: Some manufacturers claim to be Pure-Sine when they are actually Modified or Square Waves
- High-quality BMS (Battery Management System) for safety
-- Provides built-in overload, overcharge (automatic stop when the device is full), and short-circuit protection
- Expansion/augmentation ecosystem with EF Solar Panels, Double Voltage Hub, Smart Generator, Extra Smart Batteries, Smart Home Panel, wind turbine (not yet available), EV charging station, and Remote Control
- Impressive input and output options, including a NEMA 30A for RV hookup
-- Up to 1,600W of solar charging
- Carry handle is strong enough to run a cable lock through for theft deterrence
- Can be used in pass-through UPS mode, though that can shorten the battery's lifetime
- Beautiful, large, color information display
- Built-in, retractable handle
- Wheels for easier transportation
- Strong Research & Development and Engineering teams who create innovations that Goal Zero, Jackery/Generark, and Bluetti cannot ignore
-- Competition hopefully continues to spur better products from all companies
- Beautiful, informative EcoFlow smartphone app with historical data (for Apple iOS and Android)

CONS
- Heaviest power station (99 lbs) I have ever reviewed
-- Weight is due to the use of 3,600Wh of LiFePO4 battery cells instead of NMC
--- Comparison: Goal Zero, despite using a more heavy-duty, metallic enclosure, has the Yeti 3000X (3,032Wh) weigh at 70lbs, Yeti 6000X (6,071Wh) at 106 lbs
-- Difficult to move up stairs, lifting onto truck bed, or pulling across gravel ground — especially with the small wheels
- Plastic enclosure helps shed some weight but is not as heavy-duty as Goal Zero's Yeti X line
- Bulkier than Goal Zero's Yeti 3000X and 6000X
-- Although I was not able to borrow my friend's Goal Zero Yeti 6000X for a full comparison review, I took a photo of the Delta Pro next to it for size comparison
- Outputs 3,600W continuously only if powered from its battery and not in a 120V UPS pass-through configuration
- No vehicle integration kit
- Cable to link Delta Pro with additional Smart Batteries is too short, limiting how and where the batteries can be placed
- Car Cigarette Port only accepts 96W of input at 12V
-- Goal Zero Yeti X and Jackery Explorer series can take 120W (12V @ 10A)
- Many configuration options are only available through the EcoFlow smartphone app and not from the Delta Pro itself
- Anderson Power Pole (APP) solar part is configured vertically (like Goal Zero, but in reverse)
-- Most companies arrange APP horizontally
-- Can be remediated by buying an APP extension cable, such as those by iGreely, and re-arranging it
- Manual: Not as detailed and as many helpful tips as Goal Zero's
- Not an American company
- Not waterproof. Keep it away from water splashes, rain, and pool!

USAGE
CONTINUOUS VS PEAK OUTPUT
It is important to understand the difference between Watts and Watt-Hours. How much power is used or produced is measured in Watts, and how much energy a battery can store is calculated in Watt-Hours. See the "Calculations" section below for more details.

How much energy a battery can store is measured in Wh (Watt-hours), and how much power is used or produced in W (Watts).

- AC Inverter: Converts battery (DC) power into AC
-- Delta Pro provides 3,600W continuous output with a 7,200W peak
- Peak/Surge (Starting): Nearly every device initially draws extra power to turn on. The highest amount it pulls is the Peak. As long as that number is below 7,200W, it can be STARTED. Because the Delta Pro's capacity is so high, it is difficult to provide examples for devices that start at over 7,200W. So, to illustrate the concept, I will use the Goal Zero Yeti 1000 Core's specs (2,400W peak and 1,200W continuous) as examples.
-- Turns on OK (PEAK under 2,400W):
--- Freezer starts at 400W (peak), runs at 150W once on
--- Coffee maker starts at 1,400W (peak), runs at 800W once on
-- Will NOT turn on (PEAK over 2,400W):
--- Home AC starts at 4,000W (peak), runs at 1,000W once on

Most devices power on at a higher (Peak) wattage than when they are already on (Continuous). Therefore, if its peak exceeds the power station's max, it may not be able to start

- Continuous Output (Running): Once devices are on, as long as they keep drawing less than 3,600W total, they will stay ON until the battery runs out
-- CONTINUES running (under 3,600W)
--- 100W TV + 60W laptop = 160W
-- COULD STOP running (over 3,600W)
--- Temporary overdrawing beyond 3,600W for a few seconds is okay. A quality BMS will protectively shut down the battery if the surge does not end after a while. Regularly going over for a prolonged time can ruin the battery in the long run
--- 300W appliance (500W peak) + 1,000W Home AC (4,000W peak) + 800W Coffee maker (1,400W peak) + 1,200W Miter saw (2,400W peak) + 400W appliance = 3,700W. Probably will stay on for a short period
---- Add 1,000W mower (1,400W peak) = 4,700W. Battery will definitely shut down

CALCULATIONS - SIZE & TIME
What size battery should you get? How long will it power your fridge for? How long will it take to recharge? The below calculations can help answer those questions and are rough ESTIMATES as conditions, battery quality, and age can vary.

TIME TO CHARGE BATTERY
- Calc: Hours to charge battery = Battery capacity (Wh) / Input Wattage
-- Note: As battery approaches 75% full, the input charge will increasingly be slowed down to prevent overcharging
- AC Wall: 1,800W @ 2 hrs [3,600 Wh / 1,800W]

CHARGE TIME WITH SOLAR
- Calc: Hours to charge battery = Battery capacity (Wh) / (Panel Wattage x [0.5 or 0.75])
-- In a perfect lab environment, solar panels charge at the listed wattage
-- Expect to only receive 50-75% on a good, sunny day (ie. 75W – 113W for a 150W panel), depending on panel's age, component quality, and weather
- Two 400W solar panels: as fast as 6 hours [3,600Wh / (2 x 400W x 0.75)]

WATTS USED/PRODUCED
- Calc: Watts used or produced by device = Voltage x Amperage
- Vacuum with 120V @ 9.5A uses 1,140W
- Solar panel with 12V @ 10A can produce up to 120W

IDEAL BATTERY SIZE
- Calc: Battery capacity (Wh) = Watts used by device x Hours needed for / 0.85
-- 10-15% of power is lost during power conversion
- 45W car fridge needed for 8 hours: Minimum 424Wh power station (45W x 8 / 0.85)

How much energy a battery can store is measured in Wh (Watt-hours), and how much power is used or produced in W (Watts).

TIME BEFORE BATTERY IS EMPTY
- Calc: Hours available for device = Battery capacity (Wh) x 0.85 / Watts used by device
-- 10-15% of power is lost during power conversion
- 60W laptop with 505Wh battery: Up to 7.2 hours (505Wh x 0.85 / 60W)

TIME TO CHARGE DEVICE
- Calc: Hours to charge device = Device's battery capacity (Wh) / Input Wattage
- 60W laptop with 200Wh battery: Up to 3.4 hrs (200 Wh / 60W)
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Reviewed in the United States on December 18, 2023
Size: DELTA Pro 3600Wh Power StationColor: 120v/3600whVerified Purchase
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Reviewed in the United States on December 12, 2022
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5.0 out of 5 stars Brilliant Battery & solar generator - Not just for emergencies
Reviewed in the United States on December 12, 2022
AMAZING FOR TOU POWER PLANS! Great product, built like a tank (it even has wheels!) charges incredibly fast, I'm not using this as an emergency backup (although it will be amazing to have during one anyway), I'm using it as a solar generator. With power becoming more and more expensive - I wanted to find a way to decrease my bill and use the free natural solar power around my house. Hooking up 2x 400W Ecoflow solar panels in series, on a very sunny day I can charge this from 0-80% in around 6-7 hours, which means on sunny days I barely rely on grid power anymore. I was worried it would be too heavy to move around to use in different rooms, but the handle and wheels make it as easy as pulling a cart or wheelbarrow (it's 99lbs, so not light, but I'm 5'6 and skinny and I had no problem picking it up)

It does get a bit noisy if you're discharging or charging at above around 700-1000W, but its not a big deal if you use headphones, I'd rather it be safe and cool than have the chance of overheating.

I would recommend getting some solar if you buy this, if you've never used solar power before, it's an amazing feeling knowing you're using the energy that would have just been wasted into the ground, and this battery can power most houses for a full day. Ecoflow support have been incredibly helpful and kind, so if anything goes wrong I have trust that they would replace or help me fix the issue.
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