Dual Fuel Generators

At King Of Generators, we bring you advanced dual-fuel electric generator solutions from the leading industry brands. The Dual-fuel technology allows these generators to operate on both gasoline and LPG, giving you versatile fuel options during emergencies or long-term use.  Our collection includes two powerful options: a lightweight mid-range system and a high-capacity system.  

As an authorized dealer, we provide full manufacturer warranty coverage on our generators. Depending on the model, our EcoFlow Smart Generators come with 1–3 years of warranty, covering free repairs or replacements for defects in materials or workmanship, with extended options available upon registration.

Explore our lineup to find the generator that best matches your power needs.

Our Product Category

Mid-Range Smart Generator

The Smart Generator 3000 is lightweight and agile, and is a practical choice for moderate household use or outdoor applications. Delivering a continuous output of approximately 2,000W on gasoline and 1,800W on LPG, with a 3,000W peak capacity through X-Boost inverter technology, it provides reliable power stability for sensitive electronics and household appliances. A 4-liter fuel tank supports runtimes up to 9 hours at 25% load or 3.3 hours at rated output, ensuring sustained operation during outages. The unit operates at approximately 69 dB, balancing acoustic performance with energy delivery. Integrated smart monitoring via the EcoFlow app, real-time five-stage safety alert systems, and remote control functionality improve operational safety and user control. At 21.8 kg (48 lbs), the compact housing and ergonomic frame design make it highly transportable for both domestic and field use, positioning it as an optimized solution for lightweight, dual-fuel power demands.

High-Capacity Smart Generator

The EcoFlow Smart Generator 4000 (Dual Fuel) is a high-capacity, dual-fuel system designed for intensive residential and professional energy requirements. It achieves a continuous power output of 3,200W on gasoline and 2,900W on LPG, with 4,000W peak via X-Boost inverter mode, making it suitable for whole-home backup and heavy-duty equipment loads. A 6-liter fuel tank extends operational runtime, while advanced fuel optimization protocols yield up to 40% efficiency gains when integrated with EcoFlow DELTA Pro 3 storage systems. The generator incorporates app-enabled telemetry, automatic start/stop programming, and multi-layer inverter protection systems for voltage regulation, thermal stability, and overload prevention. At 38 kg (83 lbs), the reinforced chassis includes a pull-rod mobility system for improved handling. Acoustic output averages 70 dB, appropriate for high-capacity systems. Engineered for durability, redundancy, and seamless smart-grid integration, the Smart Generator 4000 represents EcoFlow’s flagship dual-fuel architecture for maximum load resilience and operational reliability.

Power continuity depends on the right system architecture. Choose King Of Generators for an advanced dual-fuel solution.  Reach out to us at (855) 799-2943 or email info@kinggenerators.com to discuss the best solution for your application.

FAQ’s

What is the warranty on your products?

Our products come with warranties that vary by item. EcoFlow devices typically have 1–5 years, solar panels range from 12 months to 10 years, and accessories generally come with 12 months of coverage. Smart generators often have 1–3 years. We recommend checking the product-specific warranty or contacting us directly so you can fully understand the protection we provide.

Do you offer installation services for solar kits or larger systems?

While we provide guidance and support for setting up solar systems, we do not list direct installation services. We encourage you to contact us at (855) 799-2943 or info@kinggenerators.com for assistance. We can provide guidance, recommend certified installers, and answer any questions you have to ensure your solar kit or larger power system is installed safely.

How can I determine the right generator or power solution for my needs?

We help you find the right solution by first assessing your total wattage needs for essential appliances. Consider fuel types such as gasoline, propane, or solar, and whether a portable or stationary system works best for your lifestyle. If you need guidance, our team can recommend products tailored to your energy requirements and help you make the best choice.

Are there financing options available for larger purchases?

We accept major credit cards, PayPal, and Shop Pay. For larger purchases, financing options may be available. We encourage you to contact us directly to discuss installment plans or special promotions, so we can help make higher-cost generators or solar kits more affordable and easier to manage.

What is your return policy?

We offer a return policy for eligible products. Terms and conditions vary depending on what you purchase. If you need to return an item, we will guide you through the process, confirm eligibility, and provide instructions to safely return your product and receive a refund.