At night, once the power consumption reaches a certain level, the smart generator will automatically start to replenish power, eliminating the need to get up in the middle of the night to reset it.
Monitor the remaining power of the EcoFlow DELTA Pro 3 energy storage in real-time, predict future power consumption and measure the power generation from PV, and auto-recharge it in time to ensure a peaceful night's sleep and rest for your family and neighbors, avoiding noise during charging at night or during peak power consumption periods.
Recharge the EcoFlow DELTA Pro 3 with PV panels, automatically prioritizing PV charging for savings and environmental benefits while minimizing noise from continuous generator operation. Need more power quickly as an outage approaches? One tap in the EcoFlow app switches back to PV and Smart Generator charging combo for swift reinforcement.
It provides a reverse power supply to the generator battery through EcoFlow DELTA Pro 3 to wake up the generator and start charging it at the same time. Also, to prevent the Smart Generator battery failure caused by long-term storage or extremely low temperatures, it protects household electricity during severe weather scenarios.
Compatibility
- Designed to integrate with EcoFlow DELTA Series power stations for DC fast charging and smart control.
- Supports automatic start/stop with compatible DELTA models when battery levels reach configured thresholds.
- Not compatible with EcoFlow DELTA Pro Ultra or EcoFlow RIVER Series.
- For the best experience, always confirm model-specific compatibility in EcoFlow’s latest documentation.
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.
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The smart engine produces 8kWh in single gasoline tank, you could power your home appliances for 8-hours at 25% load.
Simply plug in a 20lb propone tank and allow you access to a 24kWh power, secured and keep your family a whole day of cozy life in a outage.

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.
Specifications
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)












