Description
Description
EcoFlow Smart Generator 4000 (Dual Fuel)
Important: This product is not CARB-approved and cannot be shipped to California.


Product Description
The EcoFlow Smart Generator 4000 (Dual Fuel) is a versatile inverter generator designed for backup power and charging applications. Supporting both unleaded gasoline and LPG, it delivers up to 3200W rated power on gasoline and 2900W on LPG, with up to 4000W peak output using X-Boost technology.
When connected to an EcoFlow DELTA Pro 3, the generator supports 3200W DC fast charging and intelligent backup functionality. App-based monitoring and control provide access to operating information, safety alerts, maintenance prompts, and remote start and shutdown functions.
Key Benefits
- Dual-fuel operation with unleaded gasoline or LPG
- 3200W rated output with gasoline
- 2900W rated output with LPG
- Up to 4000W peak output with X-Boost technology
- 3200W DC fast charging when paired with EcoFlow DELTA Pro 3
- Up to 40% improved efficiency when fully charging DELTA Pro 3 compared with traditional fuel generators
- EcoFlow app monitoring and control via Bluetooth/Wi-Fi
- Multiple manual, electric, automatic, scheduled, and app-based start/stop methods
- Five safety notifications through the EcoFlow app
- ECO Mode adjusts engine speed according to power usage to reduce fuel consumption and noise
- Built-in pull rod for easier transportation
- LCD screen
- Two AC outlets: TT30R and 5-20R
- IP23 dust and water protection rating
- 3-year warranty
Specifications
| Specification | Details |
|---|---|
| Generator Type | Inverter Generator |
| Fuel Type | Unleaded Gasoline / LPG |
| Engine | Single-Cylinder, Four-Stroke, Forced Air-Cooled, Overhead Valve |
| Engine Size | 196cc |
| Rated Power – Gasoline | 3200W |
| Rated Power – LPG | 2900W |
| Peak Output | 4000W with X-Boost Technology |
| Rated Voltage | 120V |
| Frequency | 60Hz |
| DC Output Voltage | 40–60V |
| DC Current | 56A Max. |
| Fuel Tank Capacity | 6L / 1.58 gal |
| Engine Oil Capacity | 0.55L / 0.145 gal |
| Recommended Oil | SAE SJ 10W-40 |
| Recommended Oil Grade | API SJ or Higher |
| Noise Level | 70 dB at 7m, Full Load |
| Gasoline Runtime | 2.8 Hours at Full Load / 8 Hours at 1/4 Load |
| Gasoline Energy | 8kWh from 6L |
| LPG Energy | 20kWh from a 20 lb LPG Tank |
| AC Outlets | 1 × TT30R (120V, 30A); 1 × 5-20R (120V, 21A) |
| Protection Rating | IP23 |
| Spark Plug | F6RTC |
| Internal Battery | 19.2Wh, 12.8V, 1500mAh |
| Net Weight | 83 lb / 38 kg |
| Dimensions | 24.9 × 15 × 20.8 in / 633 × 381 × 529 mm |
| Warranty | 3 Years |
What’s In The Box?
- XT150 connection cable – 5 meters long
- LPG hose – 1.3 meters long
FAQs
Q: Can the EcoFlow Smart Generator 4000 run on both gasoline and propane?
A: Yes. It supports unleaded gasoline and LPG. The two fuels cannot be used simultaneously.
Q: How much power does the Smart Generator 4000 produce?
A: It is rated at 3200W with gasoline and 2900W with LPG, with up to 4000W peak output using X-Boost technology.
Q: How long can it run on gasoline?
A: EcoFlow lists a continuous working time of 2.8 hours at full load and 8 hours at one-quarter load.
Q: Can the generator operate without an EcoFlow power station?
A: Yes. EcoFlow states that it can operate independently using manual pull start, electric button start, or app start via Bluetooth or Wi-Fi.
Q: Can the EcoFlow Smart Generator 4000 be shipped to California?
A: No. EcoFlow states that this product is not CARB-approved and cannot be shipped to California.
Compatibility
For AC charging, EcoFlow states that the generator can work with power stations through its AC output when the cable interface, output power, and connected power station are compatible.
DC charging and automatic start/stop functionality are available through the XT150 interface with supported systems and the required firmware.
EcoFlow specifically states that the Smart Generator 4000 is not compatible with the DELTA Pro Ultra or EcoFlow RIVER Series for DC output charging and automatic start/stop functionality.




