EcoFlow Smart Generator SG4000 Dual Fuel Front And Right View

EcoFlow Dual Fuel 3200W/4000W Smart Generator 4000

Name: EcoFlow Dual Fuel 3200W/4000W Smart Generator 4000
Brand: EcoFlow
SKU: EFSG4000-US-EPA
Price: 1259.0 USD
Availability: InStock

by EcoFlow

SKU: EFSG4000-US-EPA

Save $540.00

$1,799.00

$1,259.00

State Availability

Available in 49 States | Not Available for Sale in California

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The EcoFlow Dual Fuel Smart Generator 4000 Is The Newest Generation Of Effortless Backup Power For Any Situation

Introducing the EcoFlow Smart Generator 4000, your ultimate solution for dependable backup power during outages or off-grid adventures. This innovative generator seamlessly integrates with your EcoFlow DELTA Pro 3, providing a powerful and fuel-efficient way to keep your essential appliances and electronics running smoothly.

Due to local regulations, this product cannot be shipped to California.

EcoFlow Smart Generator 4000 At A Campging Site With Five People

EcoFlow Smart Generator 4000 Modes

Gone are the days of wrestling with clunky, pull-start generators. The EcoFlow 4000 Smart Generator boasts intelligent self-starting modes that automate the power generation process, ensuring a seamless user experience.

Choose from four convenient Smart Generator 4000 self-starting modes:

Customizable Start/Stop: Set specific start and stop times for the generator based on your energy needs.
Night-Care Mode: Enjoy quieter operation at night with reduced noise levels, perfect for maintaining a peaceful environment while keeping your devices powered.
PV-Priority Mode: Leverage the power of the sun! This mode prioritizes solar energy from compatible solar panels (sold separately) to reduce fuel consumption and minimize your environmental impact.
Smart Reverse Charging: When connected to the grid, the EcoFlow 4000 Generator can intelligently reverse charge your EcoFlow DELTA Pro 3, providing a backup charging method in case of unexpected power cuts.

Key Features and Upgrades of the EcoFlow Smart Generator 4000

Reliable Dual Fuel Backup Power for Power Emergencies

Rest easy with dual fuel options (LPG and gasoline) that ensure reliable backup power during emergencies. The engine generates 8kWh on a single gasoline tank, powering home appliances for up to 8 hours at 25% load. Connect a 20lb propane tank to access 24kWh of power, providing a full day of backup during an outage

Control the Smart Generator 4000 from Anywhere with Just One Tap on the EcoFlow App

Use the EcoFlow app to monitor and control energy usage, receive real-time safety alerts, and manage maintenance.

Multiple Start/Stop Methods for Easy Operation

The EcoFlow Smart Generator 4000 (Dual Fuel) offers multiple convenient start and stop methods for various scenarios.

Stay on Guard With Real-time Alerts for Greater Safety

Receive real-time safety notifications via the EcoFlow app, ensuring safety and automatic shutdowns for most alerts.

User-Friendly Design for Enhanced Portability

The ergonomic design with a built-in pull-rod makes it easy to transport and store, ensuring hassle-free activation of backup power.

EcoFlow Dual Fuel Smart Generator 4000 Being Used For Wood Cutting

What's Included

1 x EcoFlow Dual Fuel Smart Generator 4000
1 x Breaker Bar
1 x Screwdriver
1 x Spark Plug
1 x Socket
1 x Double-Ended Spanner
1 x Oil Funnel
1 x Extra Battery Connection Cable
1 x LPG Hose
1 x Delta Pro to Smart Generator Adapter
1 x User Manual
1 x Warranty Card

EcoFlow Smart Generator 4000 Warranty

The EcoFlow Smart Generator 4000 comes with a 3-year manufacturer warranty.

EcoFlow Smart Generator 4000 Specifications

Net Weight	83 lbs \| 38kg
Type	Inverter Generator
Rated Voltage	120V
DC Output Voltage	40～60V
Dimensions	24.9 x 15 x 20.8 in \| 633 x 381 x 529 mm
Frequency	60Hz
Rated Power	3200W with Gasoline 2900W with LPG 4000W Peak Output with X-Boost Tech
DC Current	56A maximum
Engine Specifications
Engine Size	196cc
Fuel Type	Unleaded gasoline \| LPG
Engine Oil Capacity	0.55L \| 0.145gal
Continuous Working Time (Gas)	2.8 hours (full load) \| 8 hours (1/4 load)
Type	Four-stroke
Fuel Tank Capacity	6L \| 1.58gal
Noise Level (at 7m distance)	70 dB (full load)

Is Outbound Power an Authorized Dealer?

Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.

How long will it take for my order to arrive?

Shipping times vary depending on your location and the product or products ordered.

Order Processing Time
Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.

After order processing is complete, you will receive tracking information to monitor your order while it is in transit.

Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.

Please refer to the product page for your item and reference the estimated delivery time frame for more details.

Additionally, you can see the estimated delivery time frame during checkout and receive a tracking number once your order ships.

What are your shipping rates? Do you offer free shipping?

Everything on our store ships for free. Really!

What is Outbound Power's return policy?

Most items may be returned within 30 days of delivery. Please refer to our Returns & Exchanges policy to determine what items are eligible. Returns are not accepted beyond 30 days following delivery.

Are Outbound Power products used/old/refurbished?

Everything sold on our website is brand-new.

Do you price match?

No — we price BEAT! Please refer to our Price Beat Promise for full details.

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Expansion batteries

Received the expansion batteries in excellent condition. Warranty registration with the company was smooth with no issues. I’ll definitely place a larger order again when there’s a big sale! 🔋👍

EcoFlow 500 Watt Alternator charger

So far, it's been working flawlessly with my EcoFlow Delta 3 Plus
It doesn't seem to work well with my EcoFlow River 2 Pro; for some reason, I had to restart the Charger. Every time I tried to charge my River 2 Pro, eventually it wouldn't charge. There is a good possibility I did something wrong in the settings. I didn't buy it to Charger for the River 2 Pro anyway, so no big deal to me. So far, after two days, the EcoFlow Delta 3 Plus hasn't had any issues.

Thank you for taking the time to leave a review. We are glad to hear that it has been working flawlessly with your EcoFlow Delta 3 Plus. We apologize for the inconvenience you experienced with your EcoFlow River 2 Pro. Our team is here to assist you and make sure you are fully satisfied with our product. Please feel free to reach out to us if you need any help with the settings. We want to ensure that your experience with our charger is nothing but positive. Thank you for choosing Outbound Power.

Jackery Explorer 1000 Plus Portable Power Station | 1264Wh | 2000W | 800W Solar Input

Hi there! Thank you for taking the time to leave a rating for the Jackery Explorer 1000 Plus. We are pleased you're happy with it. Enjoy!

EcoFlow from Outbound Power

Outbound team is fast and responsive. With my purchases so far they have beat everyone else’s prices.

Thank you for your kind words! We’re thrilled you had a great experience with our team and found our prices competitive. We truly appreciate your support and look forward to serving you again soon.

Review of EcoFlow DELTA Pro Ultra X Whole-Home Backup

I purchased the Delta Pro Ultra X with two batteries at the end of 2025 from Outbound Power to get the best price. All three components arrived intact in three separate heavy duty boxes with ample custom molded padding to protect the units from shipping mishaps. I stacked the 3 units on the included caster tray in a new tiny home, and used the unit after a firmware update to my satisfaction. After using the unit for a short while, I charged the unit with a Honda EU3000i gas generator. A week later I installed two solar arrays, totaling 4400 watts with 2 sets of (5) 440 watt panels. I live in Southern California, so this allowed me to be fully charged in an hour or two of full morning sun. The unit has been powering the tiny home which came with a 50A shore power connection. I ran a circuit from the wall nearest the EcoFlow under the tiny home and connected to power panel via the shore power 50A outlet, by removing the outlet and splicing in the new circuit. The unit will run the tiny home no problem and has been on since the end of 2025. I may consider two more batteries after running all my consumer calcs to be 100% off grid, all electric, while satisfying San Diego County's 4 day battery reserve capacity for permitted off grid application such as mine. I'm very happy with this unit. I run Starlink, the refrigerator, an on demand propane water heater (at this time) and a minisplit, plus an inductive cook top, oven, washer/dryer, lights, etc without any issues. The simplicity of installation is peace of mind, and being plugged into the sun feels good every day. Outbound power has reached out and offered to assist if the need should present itself. So far so good!

Hello Jamie,

Thank you for taking the time to leave a review for the EcoFlow DELTA Pro Ultra X Whole-Home Backup. We appreciate your detailed feedback and are happy to hear that you are satisfied with your purchase.

It's great to know that your unit arrived safely and that you were able to easily set it up in your tiny home. We're glad that the firmware update met your expectations and that you were able to quickly charge the unit using a Honda EU3000i gas generator.

We're also pleased to hear that the solar arrays are working well for you and providing enough power for your tiny home. It's wonderful that you are able to be fully charged in just a few hours of sunlight. We understand the importance of being fully off-grid and are happy to hear that this unit is helping you achieve that.

Thank you for choosing Outbound Power as your supplier. We are always here to assist you with any further needs or questions that may arise.

We hope you continue to enjoy the simplicity and reliability of your EcoFlow DELTA Pro Ultra X. Thank you for being a valued customer.

Works Great. Very useful and a must have if you have Ultra X

Thank you for the great review! We’re glad to hear it’s working well for you. If you ever have questions or want help getting even more out of your setup, we’re here for you.

Worth every penny!!

Runs my fridge and freezer while being mobile in my food trailer. Get interface and features. Great product.

Hi there!

Thank you so much for taking the time to leave such a wonderful review of the Anker SOLIX C1000 Gen 2 Portable Power Station! We’re thrilled to hear that it’s meeting your needs and reliably running your fridge and freezer while you’re on the go in your food trailer.

It’s especially great to know that you’re enjoying the interface and features — Anker did a fantastic job designing this unit, and we’re glad it’s delivering the performance you were looking for.

Thank you again for your support, and we wish you continued success and happy trails ahead!

Peaceful Relief

We have a son with severe autism. If he is awake, he is on his computer and tablet. But if the power goes out, big trouble as he gets extremely upset. This power supply will help keep him entertained for a few hours, hopefully long enough for the power to come back.

Thank you so much for taking the time to leave us a review. We’re truly grateful you chose the Jackery Explorer 500, and it means a lot to hear that it’s helping provide stability and comfort for your son during unexpected outages. Having reliable backup power in moments like those can make all the difference. Thank you for choosing Outbound Power!

We sincerely appreciate your thoughtful review and your trust in us. If you ever need anything at all, we’re always here to help.

Jackery 5000, Runs great, plenty of power

The Jackery 5000 can run my smaller 240V welder (with adapter for the plug). As a test, I plugged in 2 vacuum cleaners, a steamer, and a clothes iron. It ran all four without issue. Plenty of power in a compact package. It might be a bit heavy if you need to pick it up or move it up stairs, but is rolls nicely on its wheels. Overall, seems like a solid unit.

Thank you so much for taking the time to leave a review for the Jackery 5000 Plus. We're glad to hear that the product is running great and providing plenty of power for your needs. It's great to know that it can handle multiple appliances without any issues. We also appreciate your feedback on the weight and portability of the unit. We hope it continues to serve you well. Please feel welcome to be in touch if we can ever be of assistance!

Good company

Called with question and received friendly service. Got my solar panel extension cord cord in a timely manner. Haven’t needed to use it yet.

Thank you for your kind review! We are glad to hear that you had a positive experience and that you received your solar extension cord quickly. Please let us know if we can ever be of service again!

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