High-Efficiency Backup Power with Dual Fuel Flexibility
The EcoFlow Smart Generator 4000 (Dual Fuel) is designed for maximum efficiency and reliability, making it the ideal backup power solution for home emergencies, off-grid use, and outdoor applications. Offering a 40% increase in fuel efficiency compared to traditional generators, it delivers more power per gallon while reducing emissions. With dual fuel capability (gasoline & propane), industry-leading 3200W DC fast charging, and smart app control, this next-generation generator ensures continuous, intelligent power management.
Superior Energy Efficiency & Smart Charging
40% more efficient than standard generators, delivering 1kWh more power per gallon.
3200W DC fast charging, the industry’s fastest system, for quick power replenishment.
Pairs seamlessly with EcoFlow DELTA Pro 3 for optimized energy storage and hybrid power solutions.
Four Intelligent Backup Modes (Paired with DELTA Pro 3)
Customizable Start/Stop: Automatically activates when power consumption reaches a certain level.
Night-Care Mode: Minimizes noise during nighttime operation while maintaining power levels.
PV-Priority Mode: Prioritizes solar charging first to reduce fuel consumption and noise.
Smart Reverse Charging: Enables reverse charging from DELTA Pro 3 to wake up the generator and prevent battery failures.
Five Start Methods: ① Manual Pull Start ② Electric Button Start ③ Reverse Charging via Portable Power Station ④ App-Controlled Start (Bluetooth/Wi-Fi) ⑤ Scheduled Auto Start
Six Shutdown Methods: ① Knob Switch Off ② One-Click Electric Shutdown ③ Automatic Shutdown ④ Scheduled Shutdown ⑤ Low Output Shutdown* ⑥ App-Controlled Shutdown (*Automatically shuts down when a connected power station is fully charged.)
User-Friendly & Portable Design
Ergonomic pull-rod and compact size for easy transport and storage.
Noise level of just 70 dB at full load for quieter operation compared to conventional generators.
At King of Generators, we are committed to ensuring you have a seamless experience with your purchase. Below is an overview of the EcoFlow warranty policy to help you understand coverage and how to make a warranty claim through King of Generators support.
Warranty Period Overview
EcoFlow provides a limited warranty on its products, starting from the date of purchase. The warranty period varies by product type:
DELTA Series & RIVER Series: 1–5 years (depending on model)
Solar Panels: 12 months to 10 years
Accessories: 12 months
Smart Generators: 1–3 years
For detailed coverage, refer to the product-specific warranty on EcoFlow’s official website or contact King of Generators support.
What’s Covered?
Free repairs or replacements for defects in materials or workmanship
Warranty extensions available for select products upon registration on EcoFlow’s website
What’s Not Covered?
The warranty does not cover:
Damage due to misuse, unauthorized modifications, or external factors (e.g., water, weather)
Products purchased from unauthorized sellers or without valid proof of purchase
Products used outside the intended region or incompatible with local power standards
Note: EcoFlow products are designed for use in the U.S. Warranty claims for malfunctions due to use outside the country may not be covered.
How to Make a Warranty Claim
If you experience any issues, please contact King of Generators support to initiate a warranty claim.
Our team will assist you with the claim process, including verifying your purchase, troubleshooting the issue, and coordinating with EcoFlow for repair or replacement.
Once approved, we will provide further instructions, including shipping details and estimated resolution time.
