The EcoFlow DELTA 3 Plus Power Station is a 1024Wh portable battery station with an LFP (LiFePO4) battery, sold by EcoFlow and marketed for home backup, RV and outdoor use. The seller advertises a 5-year warranty, and its Terms of Use send returns to its Return & Refund Policy, which you can open from the footer of the product page. EcoFlow says its third-generation LFP cells are rated 4000 cycles to 80%+ capacity and that an SGS analysis, based on EcoFlow’s internal test data for 1kWh mainstream power stations (current as of August 28, 2024), gives the DELTA 3 Plus’s fast and safe charging a 5-star rating. This article did not see the SGS report itself. This page covers the specs, runtimes for a refrigerator, a CPAP and phones, prices, refunds, buyer checks and comparisons, and the model is also searched as eco flow delta 3 plus power station.
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| What it is | EcoFlow DELTA 3 Plus Power Station, 1024Wh LFP portable power station with 1800W AC output |
| Who sells it | EcoFlow, on us.ecoflow.com (the contract is between EcoFlow and you) |
| Price as shown | $719 basic (was $799), pre-order; kits from $819 to $1,377 |
| Guarantee or returns | 5-year warranty; returns and cancellation under the Return & Refund Policy linked in the footer |
| How to contact the seller | +1 (800)-368-8604, Mon-Fri 9 am-7 pm (EST); [email protected] |
| Product Page | Where to Buy |
What is the EcoFlow DELTA 3 Plus Power Station, and who is it for?
EcoFlow describes the DELTA 3 Plus as an “industry-leading portable power station with the fastest charging speed,” and says it is “Perfect for home backup, RV, and outdoor usage.” The page also says it supports “99% of household devices, including refrigerators, TVs, and computers.” At 12.5 kg (27.6 lb), it is a unit you can carry from room to room or to a campsite.
The seller’s noise figure is one reason it is pitched for indoor use. It says the unit is “Completely imperceptible under 600W, blending with natural ambient noise (30 dB),” and adds that “Inside a tent or indoors, it won’t disrupt sleep.”
What does EcoFlow say the DELTA 3 Plus does, and how does it work?
The seller’s page lists these features for the unit:
- Output: 1800W AC output with a 3600W surge. With X-Boost, the page says you can run ovens (2150W), hair dryers (1800-2500W) and kettles (1200-2600W).
- Charging: five methods, AC, solar, an 800W Alternator Charger, the Smart Generator 3000 (Dual Fuel) and multicharging.
- Hybrid runtime: with the Smart Generator 3000 (Dual Fuel), the page says it runs with an auto start/stop function for extended runtime.
- App: EcoFlow’s app is listed for time-of-use (TOU) and storm warning alerts, and the page says its energy management runs on EcoFlow Oasis.
DELTA 3 Plus specs: battery, outlets, charging and size
These are the figures the seller’s product and spec pages list. The footnotes say the test results are EcoFlow’s own internal testing.
| Spec | What the seller’s page lists |
|---|---|
| Battery capacity | 1024 Wh |
| Battery chemistry | LFP (LiFePO4) |
| Cycle life | 4000 cycles to 80+% capacity |
| AC output | 1800W, 6 outlets (surge 3600W) |
| Max device power with X-Boost | 2200W (see the note below) |
| Total output ports | 13 |
| USB-A | 2 ports, 36W max (fast charge) |
| USB-C | 2 ports, 140W max |
| Car power | 1 port, 12.6V, 10A, 126W max |
| DC5521 | 2 ports, 12.6V, 3A max |
| DC charge input | 2 ports, 11V-60V, 500W max |
| AC charging | 1500W AC input; full charge 0-100% in 56 minutes |
| Smart Generator charging (1.8kW) | 1.8kW |
| UPS switchover | Under 10 ms |
| Noise | Under 600W: under 30 dB; 1200W: under 40 dB |
| Battery pack waterproof rating | IP65 |
| Expansion | 1-5kWh with listed extra batteries (see below) |
| Connectivity | App (TOU / Storm Warning Alert) |
| Dimensions | Approx. 398 x 202 x 283.6 mm (16 x 8.0 x 11 in) |
| Net weight | Approx. 12.5 kg (27.6 lb) |
| Warranty | 5 years |
A note on X-Boost: the spec list gives 2200W as the maximum device power with X-Boost, but the feature text says X-Boost can “continuously power appliances over 2600W.” The two figures do not match on the seller’s pages. Plan around the lower 2200W figure until support confirms which is right.
The spec list also shows a DC charge input of 11V-60V at 500W max across 2 ports. The solar kits pair the unit with a 160W or 220W panel. Ask support which input that 500W figure refers to before you buy a kit.
How long will it run a refrigerator, a CPAP or phones?
The arithmetic is simple: hours = watt-hours ÷ device watts, before inverter losses. Your battery’s 1024Wh is the total energy. Use the wattage printed on each device’s label. The rows below use example draws so you can see the math.
| Device | Draw used in the example | Rough runtime from 1024Wh |
|---|---|---|
| Refrigerator | 100W (example) | 1024 ÷ 100 = about 10 hours |
| CPAP | 30W (example) | 1024 ÷ 30 = about 34 hours |
| Phone | 15Wh phone battery (example) | 1024 ÷ 15 = about 68 full charges |
Actual runtime varies, so treat these as rough numbers. If a CPAP depends on backup power, check its manual for the draw and talk with your clinician about a backup plan that fits.
Can you add more battery capacity?
Yes. The seller says the DELTA 3 Plus is “expandable up to 5kWh” with extra batteries, and its spec list gives a range of 1-5kWh. The listed extra batteries are the DELTA 3 Extra Battery, the DELTA 2 Extra Battery, the DELTA 2 Max Extra Battery and the DELTA Pro 3 Extra Battery, connected through an Alternator Charger XT150 Output Cable. The seller sells a “DELTA 3 Plus + DELTA 3 Series Extra Battery” kit at $1,119, marked “Recommended” on the page.
Can the DELTA 3 Plus act as a UPS during a power outage?
The seller lists a UPS switchover of under 10 ms and markets the unit for home backup. For a plan covering the devices you would keep running in an outage, read the home wi-fi during a power outage checklist
How much does the EcoFlow DELTA 3 Plus cost, and what are the kit options?
The seller lists these options and prices. Open the Product Page to choose one and see today’s figures at checkout.
| Option | Price shown | Note on the page |
|---|---|---|
| DELTA 3 Plus (basic, 1024Wh, 1800W, under 10 ms UPS) | $719 (was $799) | Pre-order: ships in late November. The page header shows “Out of Stock.” |
| DELTA 3 Plus + 160W Portable Solar Panel | $819 | Solar kit |
| DELTA 3 Plus + 220W Portable Solar Panel | $919 | Solar kit |
| DELTA 3 Plus + DELTA 3 Series Extra Battery | $1,119 | Marked “Recommended” |
| DELTA 3 Plus + Smart Generator 3000 (Dual Fuel) | $1,219 | Marked “coming soon” |
| DELTA 3 Plus + 800W Alternator Charger | $949 | Listed with $30 off |
| DELTA 3 Plus + WAVE 3 | $1,377 | Listed with $112 off |
Monthly payments and membership: the product page says “Starting at $240/mo and 0% with Affirm. See if you qualify,” and adds “Flexible installment payment options available.” Check the monthly amount and schedule in the Affirm checkout before you agree to it. The account page offers “Get 500 EcoCredits, worth $25” for creating an account, and says you “Earn EcoCredits with each purchase” that can be used “as cash deductions.” The sign-up banner also says “Join now for 5% off and $1,000+ exclusive coupons!”
Tax and shipping: the Terms of Use say posted prices “do not include taxes or charges for shipping and handling.” The store header says “Free shipping for all!” with the exception that there is “No shipment to outlying areas (including Puerto Rico, Hawaii, and Alaska.)” The terms also say shipping and delivery dates “are estimates only and cannot be guaranteed.”
What are the refund, return, warranty and cancellation terms?
Warranty: the product page lists a 5-year warranty. The support menu includes an Activate Warranty page, so you can find the warranty steps there.
Returns: the Terms of Use say returns follow the EcoFlow Return & Refund Policy, linked from the footer of the product page.
- Open the Return & Refund Policy from the footer of the product page.
- Note the return window and any conditions it lists.
Cancelling: the terms say your order is an offer, and a contract forms only “unless and until you have received your order confirmation email.” Cancellation is covered by the same Return & Refund Policy. Keep that confirmation email.
The installation refund policy on the seller’s site covers its Smart Home Panel and Delta Pro products, not the DELTA 3 Plus, so it does not apply to this unit.
Side effects, safety and who should not use the DELTA 3 Plus
The DELTA 3 Plus is a battery, not something you take or apply. The seller’s pages make safety claims, but this article found no independent safety data. The seller describes “triple protection”: LFP cells, an IP65 battery pack and a battery management system (BMS). Those are the maker’s design claims.
Who the seller says it is for: home backup, outdoor use and professional work. Who it does not fit on these pages: buyers in Puerto Rico, Hawaii and Alaska, because the store does not ship to those areas. If you need a panel-wired system rather than a portable unit, the seller’s installation service covers Smart Home Panels and Delta Pro products, not this unit. The support menu lists a User Manual, and it is worth reading before you connect the unit to anything.
Are there buyer complaints about the DELTA 3 Plus?
The product page shows a 4.8 out of 5 average from 11 reviews. Those reviews are the seller’s own listing, so read the lowest-rated ones for the problems buyers describe. Then search the model name with “complaints” before you order, and weigh what you find against the warranty and return terms above.
How does the DELTA 3 Plus compare with other solar generators?
EcoFlow’s own support page lists these larger or related models in its lineup. Capacities come from the model names.
| EcoFlow model (name as listed) | Capacity from the name |
|---|---|
| DELTA 3 Plus | 1024Wh (this unit) |
| DELTA 3 Max | 2048Wh |
| DELTA 3 Max Plus | 2048Wh |
| DELTA 3 Ultra | 3072Wh |
| DELTA 3 Ultra Plus | 3072Wh |
For other brands, line up the same things: watt-hours, continuous watts, surge watts, outlet count, warranty, and the price with panels included. The spec table above lists each of these for the DELTA 3 Plus. If you need only phone charging, a smaller option such as a solar juice pro review covers a different scale, and the solar-powered gadgets guide surveys the wider category. Doing nothing means no backup when the power goes out.
Is the EcoFlow DELTA 3 Plus Power Station legit or a scam?
The unit is sold on EcoFlow’s own site, us.ecoflow.com, and the terms say the contract of sale is “between EcoFlow and you.” That means EcoFlow is both the seller and the party that handles your refund request. The contact page names the company as Ecoflow Technology Inc. and lists a phone line, a support email and an order email.
What you can confirm on the seller’s pages: the price, the kit contents, the 5-year warranty, the 1024Wh and 1800W specs, and the contact channels. The return and cancellation policy is linked from the footer, and the terms refer to it; its window and conditions are there to read before you pay. What you cannot confirm from those pages: the performance of the unit outside EcoFlow’s internal tests, and any complaint record outside the seller’s listing. This article is based on EcoFlow’s own pages and reports no independent testing of the unit.
How to protect yourself: buy only through us.ecoflow.com, save the order confirmation email, check the refund policy before you pay, keep the warranty activation steps, and check the card statement against the order total. The footer also lists a Fraud Alert page and a Payment Policy that states the accepted payment methods.
Who should check with a professional first?
EcoFlow’s installation terms describe its electrician service as a licensed electrician who must meet local electrical codes. Those terms apply to Smart Home Panels and Delta Pro products, not this unit. If you plan to connect the DELTA 3 Plus to your home circuit, ask a licensed electrician about the wiring before you plug in.
What to check before you order the DELTA 3 Plus
- Confirm the option you want: basic, solar kit, extra battery kit or alternator charger kit, and check the stock status and the pre-order ship date (late November).
- The Terms of Use say posted prices do not include taxes or shipping charges, while the store header advertises free shipping for all except Puerto Rico, Hawaii and Alaska. Check the checkout total for tax and any shipping charge.
- Confirm the X-Boost figure with support: 2200W on the spec list, “over 2600W” in the feature text.
- Ask support which input the 500W DC figure refers to before you buy a solar kit.
- Read the Return & Refund Policy window and conditions from the footer before you pay.
- If you choose monthly payments, check the Affirm terms in the checkout.
- Confirm your address is not in Puerto Rico, Hawaii or Alaska.
Quick answers
Is the DELTA 3 Plus expandable? Yes. The seller says it expands to 5kWh with the listed extra batteries.
Can it power a refrigerator? The seller says it supports refrigerators. At 1024Wh, a 100W example fridge runs about 10 hours before inverter losses.
Is it worth it? It fits if 1024Wh and 1800W cover the devices you plan to run, and if the 5-year warranty and return terms match what you want.
By InfinitePowerSolutions.com Technology Desk

