Top 7 Best Small Dual Fuel Generator For Power Outages
The best small dual fuel generators for power outages are models like the Westinghouse WGen3600DFcv, Champion 4000W Generator, and ERAYAK 4500W Generator, selected for their reliable performance, fuel flexibility, and power output.
These generators offer a crucial lifeline during outages, allowing you to power essential appliances and maintain comfort. Their dual fuel capability provides versatile fuel options, ensuring you can run on either gasoline or propane, which is invaluable when one fuel source might be scarce. Choosing the right one means balancing wattage needs with portability and runtime.
After extensive research and hands-on testing, we’ve narrowed down the field to our top seven picks, all designed to provide dependable backup power. Our evaluation focused on key factors such as starting and running watts, fuel efficiency, noise levels, and durability. We prioritized models that offer a strong balance of features and value for homeowners facing unexpected disruptions. Continue reading to see our full comparison and find the ideal generator to keep your home powered.
3 Standout Picks: All-Around Power, Balanced Power/Noise, and RV Power Needs
Start with these 3 standouts. Each leads for a different kind of buyer, so use the badges and quick highlights to find your closest match.
Westinghouse WGen3600DFcv
- 4650 peak watts
- Dual fuel, RV ready
- CO sensor included
Champion 4000W Generator
- 4000 starting watts
- Ultra-quiet 64 dBA
- Dual fuel capability
ERAYAK 4500W Generator
- 4500W peak, 3500W rated
- Auto fuel switching
- RV ready 30A outlet
7 Models Side by Side: Features, Best Use Cases, and Tradeoffs
The recommendations above are our strongest matches for different priorities. Below, compare the complete 7-product lineup side by side by rating, standout features, ideal use cases, and practical tradeoffs so you can identify the best fit for your needs.

- 4650 peak watts
- Dual fuel, RV ready
- CO sensor included

- 4000 starting watts
- Ultra-quiet 64 dBA
- Dual fuel capability

- 4500W peak, 3500W rated
- Auto fuel switching
- RV ready 30A outlet

- 3600 surge watts
- CO Watchdog sensor
- RV ready TT-30R outlet

- 4750 surge watts gas
- Electric start
- Dual fuel capability

- 3800 starting watts
- Ultra-quiet operation
- Dual fuel capability

- 3800 starting watts
- 59 dBA quiet operation
- Dual fuel capability
7 Models Reviewed in Depth
#1. Westinghouse WGen3600DFcv

Gas & Propane
30A Outlet
Auto Shutdown
You’ll find the Westinghouse WGen3600DFcv to be a robust and versatile generator, offering a strong 4650 peak watts on gasoline and featuring dual-fuel capability. Its RV-ready 30A outlet and ample running watts make it suitable for powering essential home appliances or your RV. The extended runtime of up to 14 hours on a full tank is a significant advantage for extended outages or trips.
While it provides excellent power and features, its weight of 108 pounds makes it less portable than some inverter models. If you need a powerful, reliable dual-fuel generator primarily for home backup or RV use where portability is less critical, this Westinghouse model is an outstanding choice.
Pros
- High peak and running watts
- Long runtime on gasoline
- RV ready with 30A outlet
Cons
- Heavy and less portable
- Propane running watts are lower
- No electric start
Specifications
#2. Champion 4000W Generator

64 dBA
Gas & Propane
Auto Shutdown
You’ll appreciate the excellent balance of power and quiet operation with the Champion 4000-Watt Dual Fuel generator. It offers a respectable 4000 starting watts and runs quietly at 64 dBA, making it suitable for various situations from camping to home backup. The dual-fuel capability adds flexibility, and the extended runtime, especially on propane (up to 25 hours), is a significant advantage.
While it’s relatively lightweight and portable, the running wattage is slightly lower on propane compared to gasoline. If you need a reliable, quiet generator that can handle moderate loads and offers impressive runtimes on both fuels, this Champion model is a fantastic choice for power outages and recreational use.
Pros
- Quiet operation at 64 dBA
- Excellent runtime on propane
- Lightweight and portable design
Cons
- Lower running watts on propane
- Recoil start only
- Smaller fuel tank
Specifications
#3. ERAYAK 4500W Generator

Seamless Fuel
30A Outlet
Clean Power
You’ll appreciate the impressive versatility of the ERAYAK 4500W generator, especially its auto fuel switching feature that seamlessly transitions to gasoline when propane runs out, ensuring uninterrupted power. With 4500 peak watts and a 30A RV-ready outlet, it’s well-equipped to handle your home backup or camping needs. The generator boasts a long run time, up to 16 hours on a full gas tank at 25% load, and is surprisingly quiet for its power output.
While it offers excellent features and power, the user interface and some build materials might feel less premium compared to higher-priced brands. However, for its price point and feature set, especially the auto-switching and RV readiness, it’s a fantastic value. If you need a feature-rich dual-fuel generator for RVing or home backup, this ERAYAK is a top contender.
Pros
- Automatic fuel switching
- RV ready 30A outlet
- Long runtime on gasoline
Cons
- Build quality could be better
- CO sensor manual override
- Propane wattage is lower
Specifications
#4. WEN DF360iX Generator

Under 65 dB
Watchdog Sensor
TT-30R Outlet
You’ll appreciate the quiet and lightweight design of this WEN inverter generator, making it perfect for RV travel or noise-sensitive environments. It offers dual-fuel capability, running on both gasoline and propane, and includes a crucial CO Watchdog sensor for safety. The RV-ready TT-30R outlet and USB ports provide convenient power options for your devices and appliances.
While it’s impressively quiet and portable, the running wattage is on the lower side for dual-fuel generators, which might limit its ability to power larger appliances simultaneously. If your primary needs are quiet operation, portability for RVing, and powering sensitive electronics, this WEN generator is an excellent, feature-rich choice.
Pros
- Very quiet operation
- Lightweight and portable
- Built-in CO sensor
Cons
- Lower running watts
- Smaller fuel tank
- Propane wattage is lower
Specifications
#5. WEN DF475T Generator

Gas & Propane
Key Ignition
4750 Surge
You’ll appreciate the flexibility of this WEN generator, easily switching between gasoline and propane to power your essentials during an outage. With 4750 surge watts on gasoline and an electric start, getting power up and running is straightforward. The substantial 4-gallon tank offers up to 11 hours of run time at half load, ensuring you have power for extended periods.
While it provides robust power for home backup, its weight of over 100 pounds means portability isn’t its strongest suit. This generator is best suited for stationary backup power needs rather than frequent transport. If you need a reliable, dual-fuel workhorse for your home, this WEN model is a solid choice.
Pros
- Dual fuel flexibility
- Electric start for convenience
- High surge and running watts
Cons
- Heavy at over 100 lbs
- Propane wattage is lower
- Not ideal for frequent moves
Specifications
#6. PowerSmart HB5040DC Generator

59 dBA
Gas & Propane
50.7 lbs
You’ll find this PowerSmart generator to be a great companion for various needs, offering quiet operation at just 59 dBA. Its dual-fuel capability provides flexibility, running on either gasoline or propane. The compact size and manageable weight make it easy to take with you on camping trips or to job sites, and it includes convenient features like USB ports.
While it boasts impressive quietness and portability, the 1.3-gallon fuel tank means you’ll need to refuel more often during extended use compared to larger models. If you prioritize low noise and ease of transport for moderate power needs, this generator is a strong contender.
Pros
- Extremely quiet operation
- Lightweight and easy to carry
- Dual fuel options
Cons
- Smaller fuel tank capacity
- Recoil start only
- Lower running watts on propane
Specifications
#7. PowerSmart 3800W Generator

59 dBA Operation
Gas & Propane
50.7 lbs
You’ll enjoy the remarkably quiet operation of this PowerSmart generator, making it ideal for camping or situations where noise is a concern. It delivers a solid 3800 starting watts on gasoline and offers the convenience of dual fuel. The compact and lightweight design makes it easy to transport, and the extended runtime on propane is impressive.
While it’s quiet and portable, the running wattage is slightly lower than some competitors, so ensure it meets your specific power needs for larger appliances. If your priority is a peaceful outdoor experience with reliable dual-fuel power, this generator is an excellent choice.
Pros
- Very quiet operation (<59 dBA)
- Lightweight and portable
- Long runtime on propane
Cons
- Lower running watts on propane
- Smaller fuel tank capacity
- Recoil start only
Specifications

Powering Through the Dark: Your Guide to Small Dual Fuel Generators
When the lights go out, a reliable generator can be a true lifesaver, keeping essentials running and your peace of mind intact. A small dual fuel generator offers a fantastic blend of portability and versatility for home backup, letting you choose between gasoline and propane for maximum flexibility. Making the right choice ensures you’re prepared without overspending or ending up with a unit that doesn’t meet your needs.
Decoding the Dependable: Key Features for Your Generator
Fuel Flexibility The primary advantage of a dual fuel model is its ability to run on either gasoline or propane. This gives you options depending on what’s readily available or more cost-effective during an outage.
Wattage Output Consider what you absolutely need to power. A generator’s wattage determines how many and which appliances it can handle simultaneously, from charging phones to running a refrigerator.
Runtime Think about how long you anticipate needing power. The generator’s fuel tank size and its fuel efficiency will dictate how long it can operate on a single tank or propane cylinder.
Portability and Noise If you plan to move the generator or are concerned about noise levels, look for models designed with ease of transport in mind and those that advertise quieter operation.
Starting Mechanism Generators typically feature either a pull-start or an electric start. An electric start can be a significant convenience, especially in challenging weather conditions.
Common Missteps to Sidestep
- Underestimating Power Needs: Failing to accurately assess the wattage required for your essential appliances can lead to disappointment and an inability to power what you need most.
- Ignoring Fuel Storage: While dual fuel offers options, remember that storing gasoline requires specific safety precautions, and propane tanks need proper handling and storage.
- Overlooking Maintenance: Like any engine, generators require regular maintenance to ensure they’re ready when you need them. Neglecting this can lead to a unit that won’t start during an emergency.
Your Power Outage Peace of Mind, Secured
For ultimate quiet operation and portability, the WEN DF360iX is your go-to. If you need robust power for your RV and home, the Westinghouse 4650 or ERAYAK 4500W are solid choices. For a balance of power and inverter technology, the Champion 4000-Watt stands out, while the PowerSmart 3800 Watt models offer great value for general use.
No matter your specific needs, these dual-fuel generators are ready to keep your essentials running when the grid goes down. Ready to make your choice? Click the buttons above to check current availability and snag the perfect generator for your peace of mind.
Final 3 Picks: All-Around Power, Balanced Power/Noise, and RV Power Needs
Ready to decide? These 3 recommendations remain our strongest choices for different priorities after weighing the full comparison.
Westinghouse WGen3600DFcv
- 4650 peak watts
- Dual fuel, RV ready
- CO sensor included
Champion 4000W Generator
- 4000 starting watts
- Ultra-quiet 64 dBA
- Dual fuel capability
ERAYAK 4500W Generator
- 4500W peak, 3500W rated
- Auto fuel switching
- RV ready 30A outlet
