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4,000 Watt EcoFlow DELTA Pro 3 Portable Power Station

Instructions

"EcoFlow DELTA Pro 3 – The Future of Portable Power Starts Here Meet the EcoFlow DELTA Pro 3, the ultimate leap forward in portable power technology. Built for those who demand serious performance—whether you're powering a home, running a jobsite, or heading off the grid—this next-generation power station delivers unmatched versatility, capacity, and control. At its core, the DELTA Pro 3 packs a massive 4kWh expandable battery with an output of up to 4000W, capable of running everything from refrigerators and power tools to electric vehicles and entire home circuits. Need more? Stack multiple units to reach up to 12kWh and unlock true whole-home backup. What truly sets the DELTA Pro 3 apart is its ultra-fast charging—fully recharge from 0–100% in just over 1 hour with EcoFlow’s X-Stream AC + solar dual charging. Whether you plug into the wall, connect solar panels, or use EV charging stations, you’re never left waiting when the power matters most. Designed for real-life usage, it includes multiple ports and outputs—including AC, USB-A, USB-C, DC, and even a 30A RV outlet—so you can power everything at once, from delicate electronics to high-wattage appliances. Control and monitor your energy usage through the EcoFlow app for real-time data, smart power management, and remote control from anywhere. Built tough but designed sleek, DELTA Pro 3 moves easily on built-in wheels with a telescopic handle, making it perfect for home, work, or travel."

Brand

<ul> <li>Expandable Capacity</li> <li>Continuous Output While Charging</li> <li>Longer Life Cycle</li> <li>Energize All Scenarios</li> <li>Easy to Use</li> </ul>

Specifications

Allstate Protection Plan

Allstate Protection Plans
Protect your new purchase
3-Year Protection Plan

<ul><li>Mechanical & electrical failures during normal use
<li>Fast repairs or replacement
<li>Worldwide coverage
<li>Free 2-way shipping
<li>Easy online claims available 24/7
</ul>
Accidental or intentional damage, loss, and theft are not covered.
How does my plan work with the manufacturer's warranty?
Most products at Sam’s Club come with a manufacturer’s warranty that lasts 90 days to one year from the date of purchase. If there is an issue during this time that is covered by the warranty, you will be referred to the manufacturer for service. If there is an issue that is not covered by the manufacturer during the warranty period but is included in your Allstate plan, Allstate will cover it.
To file a claim:
<ul>
<li>Register your protection plan at www.squaretrade.com/SamsClub (this step is not required to file a claim)
<li>File a claim at www.squaretrade.com/SamsClub anytime, 24/7. Or call us at (888) 240-6940.
<li>Have your receipt and covered item with you if you have not registered your plan.
<li>Many claims are approved instantly. in other cases, a specialist will guide you through next steps.
</ul>
Click here for <a href="https://scene7.samsclub.com/is/content/samsclub/protection_plan_terms_conditions" target=blank"_self">Protection Plan Terms and Conditions</a>

<ul>
<li>3-years of protection
<li>Mechanical & electrical failures during normal use
<li>Fast repairs or replacement
<li>Accidental and intentional damage not covered
<li>Loss and theft are not covered
<li>Easy online claims 24/7
<li>No deductibles or hidden fees</ul>
Click here for <a href="https://scene7.samsclub.com/is/content/samsclub/protection_plan_terms_conditions" target=blank"_self">Protection Plan Terms and Conditions</a>

Get peace of mind for pennies a day!

Protect your purchase

<ul>
<li>Expandable Capacity</li>
<li>Continuous Output While Charging</li>
<li>Longer Life Cycle</li>
<li>Energize All Scenarios</li>
<li>Easy to Use</li>
</ul>

I plan to use this to run a few of the most important items in my house during a power outage. Between the solar panels and my Honda eu2200i, I can keep a charge on it even during an extended outage. Since the unit is portable, albeit heavy, I can take it anywhere I need quiet, clean power.

Just what I needed

ecoflow 

I like the power and carry handle with wheels.

EcoFlow

walmart.com

Just what I needed to power my home during power company outages. Charges quickly with AC charging and the 400W solar panel keeps it topped off when there is no AC power.  It is whisper quiet and hassle free. No more loud smelly gasoline generators for me, this is the only way to go.

Just what I needed.

Full filling one of my “Bucket List” items I purchased the Delta Pro 3 Power Station.  Why?  Because, 1.) I like the physical design; 2.) I like the number of charging methodologies; 3.) I like the straight forward simplicity of use; 4.) and I like the balanced design of a 4KW inverter operating off of a 4KW battery (keeps the math simple).  I’ve wired the DP3 into my home wiring using a manual transfer.  The system is expanded with a DP3 Extra Battery and supplemented with solar panels and a dual fuel Smart Generator.  The system is simple, effective, expandable and integrated.  Doesn’t get much better than this!!

Delta Pro 3 Power Station, a “Balanced” approach

Excellent quality, I had a friend who bought an Ecoflow product, and it died within warranty , unfortunately. Eco flow came through amazingl, and replaced Is the unit at no cost. Not very many companies today have such great warranties. This there's been a lot of power outages in my area lately and I bought this mainly for emergencies. Would be good to power the refrigerator freezer and charge Electronic devices. As expected, the unit is quite heavy and it's not easy to move around without help. The app is a little basic, hoping for some new updates in the future to clean up the UX and add features.

Ecoflow delivers!

I was overly impressed by the ease of setup and the overall capabilities of the unit. I have been using it as a backup source for two CO2 50 watt laser engravers. It has outperformed any and all expectations. I am now fully confident that if the power should go out during a lengthy engraving, I will not lose the customers product.

Excellent source of independence

As an owner of the DP3 (and formerly the DP), and as I'm leaning more and more about home backup and now journeying into off-grid migration, what a disappointment the DP3 has turned out to be.  And it all comes down to one thing:  The atrocious low solar input this device has.  EcoFlow's release of the Delta 3 Ultra Plus has also really exposed the weakness of the DP3.

As a standalone unit, the DP3 is fantastic.  Being able to provide RV camping power and LIMITED home backup power, the DP3 is quite versatile.  However, EcoFlow continues to market the DP3 as an "off-grid" solution.  Well, it is, but for VERY small loads due to it's lack of solar input.  Meaning, if you max out the DP3 with two extra batteries (giving you 12,288 watts of capacity), at 2600 watts of solar input (more like 2000 watts realistically), it's going to take more than a perfect solar day to top off your battery bank to 100% charged.  What's puzzling is that the Delta Pro Ultra was released long before the DP3, and the DPU has 600V of solar input as compared to the DP3's 210V of solar input.  When you consider that the DP3 can fast charge at 7000 watts across multiple sources, why they arbitrarily decided not to include either a 3rd 150V solar input or a 450V solar input was definitely a questionable design decision.  In an off-grid situation, a power station like this should be able to fully charge your maxed battery bank in 4 hours (one solar day), which, in the case of the DP3, puts that at 3100 watts (really 4000 watts max due to VoC low temperature coefficients).  In other words, sure, you can power your tiny home or cabin off-grid with the DP3, but you're going to be using a metric ton of propane to keep your batter bank topped off.  That's not very economical.

Now that EcoFlow has released the Delta 3 Ultra Plus (which provides a better RV camping experience over the DP3, and which also provides similar limited home backup like the DP3), and with the availability of the scalable Delta Pro Ultra and the new Delta Pro Ultra X, unless EcoFlow plans to equip the Delta Pro 4/X (whatever name the decide to call it) with a MUCH higher solar input capability, there's really no longer a need to go the direction of the DP3.  And since the new Smart Home Panel 3 will not be backwards compatible with the Delta Pro 3, it appears the Delta Pro series of products has seen the end of its days.  It's too bad, because I REALLY liked the DP and DP3, and where I had plans to get the Smart Home Panel (2 or 3) as I progress further into off-grid living, slowly, one circuit at a time.  The DPU/X is now my targeted product to achieve this goal.

I still give this product 4 stars overall, because it IS a good unit on it's own.  But as of two weeks ago, so is the Delta 3 Ultra Plus, which is much lighter, and which has a much lower price point.

EcoFlow:  I love your products, and I own many of them.  But in this situation, a big blunder was made.

Only 2600 Watts of Solar Charging?

Faults with unbalanced Load on 240 power distribution.

Powerful ... but

I’m happy that the DELTA Pro 3 works exactly as advertised. The only difficulty I encountered was when using it at night in my camper i had to get a flashlight to see the buttons and the ports. A backlight to the ports and buttons would have made it easier to use.

4,000 Watt EcoFlow DELTA Pro 3 Portable Power Station

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Highlights

EcoFlow TRAIL DC Portable Power Station