Choose by rated output
Use the rating for your selected fuel when planning connected loads.
EcoFlow Smart Generator 4000 (Dual Fuel)
$1,259.00
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AUTHORIZED ECOFLOW RESELLER
EcoFlow Smart Generator 4000
Fuel-powered backup for a planned outdoor setup.
$1,259.00
3200WGasoline rated output
2900WLPG rated output
120VU.S. output voltage
60HzU.S. frequency
EXTRA 5% OFF APPLIED AT CHECKOUT
Outdoor use only. Not CARB-approved; cannot ship to California.
Free shipping · Eligible contiguous U.S. states, excluding CaliforniaEstimated delivery: 5–8 business days1–3 business days processing + approximately 4–5 in transit.
Genuine EcoFlow · Direct U.S. warehouse fulfillment
3-year manufacturer warranty
Coverage is subject to EcoFlow’s U.S. warranty terms.CHOOSE IT FOR YOUR PLANS.
Fuel-powered backup for a planned outdoor setup.
The EcoFlow Smart Generator 4000 (Dual Fuel) is a fuel-powered option for longer outages and compatible battery-system charging. Compare it when you need a larger generator and have a suitable outdoor operating location.
Check integration
Automatic functions require a supported host, cables and firmware.
Plan outdoor use
Choose a safe operating location and follow fuel and maintenance instructions.
KNOW YOUR CONFIGURATION.
Plan the location before the power.
Operate outdoors only, at least 20 feet from homes and buildings, with exhaust directed away from doors, windows and vents. Never use it in a home, garage, shed or enclosed space. Follow the manual for fuel, maintenance and wet-weather protection.
Outdoor use only. Not CARB-approved; cannot ship to California.
KNOW YOUR CONFIGURATION.
The details, in one place.
Specifications refer to the model and configuration described. Actual performance depends on operating conditions. Optional equipment is sold separately unless expressly included.
- Fuel options
- Unleaded gasoline or LPG
- Rated gasoline output
- 3200W
- Rated LPG output
- 2900W
- Peak with X-Boost
- 4000W; not continuous output
- Shipping restriction
- Cannot ship to California
- Manufacturer warranty
- 3-year manufacturer warranty
Before you order
- No shipping to California.
- Use outdoors only, at least 20 feet from homes and buildings, exhaust facing away.
- Confirm the host, connection accessories and rated load.
BUY WITH CLARITY.
Good questions. Clear answers.
Can it run indoors or in a garage?
No. This fuel-burning generator produces carbon monoxide. Use outdoors only, at least 20 feet from homes and buildings, with exhaust facing away.
Does every EcoFlow station support automatic start-stop?
No. Automatic start-stop and DC charging are model-specific. Confirm the exact supported host, firmware and required cables before ordering.
Is the model number the continuous wattage?
No. Choose connected loads by the rated output for your selected fuel. The peak X-Boost number is not the continuous rating.
Can this ship to California?
No. This product is not CARB-approved and cannot be shipped to California.
When will my order arrive?
Allow 1–3 business days for processing and approximately 4–5 business days in transit for available items. Delivery times are estimates. Check the selected option’s availability before ordering.
Shipping & delivery ↗What warranty applies?
3-year manufacturer warranty. Coverage is subject to EcoFlow’s U.S. warranty terms.
EcoFlow warranty terms ↗What is the return policy?
Review NOVANEST’s current Returns & Refunds Policy for eligibility, timing and return-shipping details. Contact us for help with an order.
Returns & Refunds Policy ↗Full product description
EcoFlow Smart Generator 4000 Dual Fuel: outdoor backup generation with smart system integration
The EcoFlow Smart Generator 4000 (Dual Fuel) is a fuel-powered option for longer outages and compatible battery-system charging. Compare it when you need a larger generator and have a suitable outdoor operating location.
Key specifications and configuration
- Rated output: 3200W on gasoline or 2900W on LPG.
- Peak output with X-Boost: 4000W; this is not the continuous rating.
- U.S. electrical specification: 120V, 60Hz.
- DC charging and automatic start-stop require a supported EcoFlow system.
Confirm supported system functions
Check the host compatibility chart for DC charging and automatic start-stop, and confirm required cables. These features are not supported with the EcoFlow RIVER series or DELTA Pro Ultra. Choose loads by rated output on the selected fuel, and plan refueling and maintenance according to the manual.
If you are assembling a complete backup setup, confirm compatibility with your current station model and intended loads. Browse DELTA power stations to compare the battery side of a setup.
Outdoor operation and shipping restriction
Operate this fuel-burning generator outdoors only, at least 20 feet from doors, windows and vents, with exhaust directed away from occupied areas. Never operate it indoors or in a garage. Follow the manufacturer\'s safety and maintenance instructions.
This product is not CARB-approved and cannot be shipped to California.
The right power starts with your needs.
Tell us what you want to run and for how long. We’ll help you narrow it down.