*Note: The terms "DELTA" and "RIVER" as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.
Higher efficiency, more reliable when connected with EcoFlow DELTA Pro 3
Unlock unmatched power and reliability with the EcoFlow Smart Generator 4000 (Dual Fuel) and EcoFlow DELTA Pro 3 hybrid setup. Featuring industry-leading 3200W DC fast charging and up to 40% improved efficiency, they excel in various scenarios, from backup power to on-the-go charging.
Higher efficiency, more reliable when connected with EcoFlow DELTA Pro 3
Unlock unmatched power and reliability with the EcoFlow Smart Generator 4000 (Dual Fuel) and EcoFlow DELTA Pro 3 hybrid setup. Featuring industry-leading 3200W DC fast charging and up to 40% improved efficiency, they excel in various scenarios, from backup power to on-the-go charging.
Higher efficiency, more reliable when connected with EcoFlow DELTA Pro 3
Unlock unmatched power and reliability with the EcoFlow Smart Generator 4000 (Dual Fuel) and EcoFlow DELTA Pro 3 hybrid setup. Featuring industry-leading 3200W DC fast charging and up to 40% improved efficiency, they excel in various scenarios, from backup power to on-the-go charging.
More Energy-Saving & Efficient
EcoFlow Smart Generator (Dual Fuel) 4000 not only offers significant fuel savings but also generates fewer emissions. Compared to traditional fuel generators, it can save 40% of fuel when fully charging EcoFlow DELTA Pro 3. This means that with the same 1 gallon of fuel, this smart generator provides 1kWh more power.
Dual Fuel for Double Peace of Mind
Rest easy knowing that LPG and gasoline are readily accessible, ensuring you can quickly obtain fuel for backup power and alleviating concerns about fuel shortages during emergencies.
Dual Fuel for Double Peace of Mind
Rest easy knowing that LPG and gasoline are readily accessible, ensuring you can quickly obtain fuel for backup power and alleviating concerns about fuel shortages during emergencies.
Control from Anywhere with Just One Tap
Use the EcoFlow app to monitor and control energy consumption and equipment operation. Get real-time key alerts like CO concentration, high & low temperature warnings, etc., to ensure safety. View faults and maintenance prompts for easy upkeep.
Multiple Start/Stop Methods for Easy Operation
EcoFlow Smart Generator 4000 (Dual Fuel) offers intelligent and elegant start/stop methods for various scenarios, providing greater convenience.
5 Quick Start Methods
① Manual pulling cord start
② Electric button start
③ Reverse charging by portable power stations
④ App start (Bluetooth/Wi-Fi)
⑤ Scheduled automatic start.
6 Shutdown Methods
① Knob switch off
② One-click shutdown (electric button)
③ automatic shutdown
④ Scheduled-time shutdown
⑤ Low output shutdown*
⑥ App-controlled shutdown.
*When matched with a third-party portable power station, it automatically shuts down after the portable the power station is fully charged and a decrease in output power is detected.
Stay on Guard With Real-time Alerts
Receive 5 safety notifications directly through the EcoFlow app, ensuring remote or indoor users stay informed in real-time. All features(except fuel alerts) trigger automatic shutdowns to prioritize safety for you.
User-Friendly Design, Enhanced Portability
The ergonomic design with a built-in pull-rod allows easy transport from the garage or basement, making it simple to activate backup power. Its compact size ensures it doesn't take up too much space for storage and stays well-organized.
What's in the box
Generator Specs
Net Weight
83 lbs/38kg
Dimensions
24.9x15x20.8 in/633x381x529 mm
Type
Inverter Generator
Frequency
60Hz
Rated Voltage
120V
Rated Power
3200W with Gasoline, 2900W with LPG (4000W Peak Output with X-Boost Tech)
DC Output Voltage
40～60V
DC Current
56A max.
Engine Specs
Engine size
196cc
Type
Four-stroke
Fuel Type
Unleaded gasoline/LPG
Fuel Tank Capacity
6L / 1.58gal
Engine Oil Capacity
0.55L / 0.145gal
Noise Level (at 7m distance)
70 dB (full load)
Continuous Working Time (Gas)
2.8hr (full load), 8hr(1/4 load)