14 Best Dual Fuel Portable Generators for Home Backup and RV Use in 2027

Dual fuel portable generators give you the choice of gasoline or propane, but the right model depends on how much power you need and how you plan to use it. I rank the Champion 4000-Watt Dual-Fuel RV-Ready Portable Inverter Generator as the best overall for its balance of inverter operation, RV-ready features, and practical output. The WEN DF360iX is a strong smaller inverter option, while the Westinghouse WGen11500DFc suits buyers who need substantially more capacity for home backup. The main tradeoffs are output versus portability, inverter power quality versus conventional-generator capacity, and convenience features versus a simpler setup. Read on for the full comparison and advice on choosing a generator that fits your loads.

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Key Takeaways

• The Champion 4000-Watt inverter is the most balanced pick for buyers who want dual-fuel flexibility, RV-ready use, and inverter-style power without moving up to a large open-frame unit.
• Small and mid-size inverter models vary more by use than by headline wattage: the PowerSmart 3800, WEN DF360iX, and WEN DF480iX suit different load and portability needs, so compare running output and appliance startup demands.
• Home-backup capacity points toward the larger Westinghouse and DuroStar models. Their higher output can support more circuits, but their size and fuel use make them a different proposition from compact inverter generators.
• Dual fuel does not mean identical performance on both fuels. Buyers should check each model’s gasoline and propane output, then size the generator around the lower output if propane is their planned backup fuel.
• Convenience features matter most when the generator is heavy or used under stress: electric or remote starting and wheel kits can make large units easier to operate, while a simpler compact generator may be easier to store and transport.

Our Top Dual Fuel Portable Generators Picks

PowerSmart 4400-Watt Dual-Fuel Portable Inverter Generator		Best Overall	Fuel type: Gasoline or propane	Starting watts: 4,400 W gasoline; 4,000 W propane	Running watts: 3,600 W gasoline; 3,300 W propane	VIEW LATEST PRICE	See Our Full Breakdown
PowerSmart 3800-Watt Dual-Fuel Inverter Generator		Best for Quiet Camping	Fuel type: Gasoline or propane	Starting watts: 3,800 W gasoline; 3,500 W propane	Running watts: 3,300 W gasoline; 3,100 W propane	VIEW LATEST PRICE	See Our Full Breakdown
Champion 4000-Watt Dual-Fuel RV-Ready Portable Inverter Generator		Best for RV Owners	Fuel type: Gasoline or propane	Starting watts: 4,000 W	Running watts: 3,000 W gasoline; 2,700 W propane	VIEW LATEST PRICE	See Our Full Breakdown
ERAYAK 4500W Dual-Fuel Portable Inverter Generator		Best for Long Runs Between Refueling	Fuel type: Gasoline and propane	Peak output: 4,500 W gasoline; 4,050 W propane	Runtime: Up to 16 hours on gasoline at 25% load; over 20 hours on propane	VIEW LATEST PRICE	See Our Full Breakdown
A-iPower 7600W Dual-Fuel Inverter Generator with Electric Start		Best High-Output Inverter	Fuel type: Gasoline and propane	Starting watts: 7,600 W gasoline; 6,900 W propane	Running watts: 6,100 W gasoline; 5,500 W propane	VIEW LATEST PRICE	See Our Full Breakdown
BILT HARD 4500W Dual-Fuel Portable Inverter Generator		Best for Quiet, Electronics-Friendly Power	Fuel type: Gasoline or propane	Peak output: 4,500 watts gasoline; 4,150 watts propane	Engine: 141cc, 4-stroke OHV, air-cooled	VIEW LATEST PRICE	See Our Full Breakdown
WEN DF360iX 3600-Watt Dual-Fuel Portable Inverter Generator		Best Lightweight RV Pick	Fuel type: Gasoline or propane	Surge output: 3,600 watts gasoline; 3,500 watts propane	Engine: 149cc, 4-stroke	VIEW LATEST PRICE	See Our Full Breakdown
Westinghouse WGen11500DFc Dual Fuel Portable Generator with Remote Electric Start		Best for High-Capacity Home Backup	Fuel type: Gasoline, propane, or natural gas	Running output: 11,500 watts gasoline; 10,500 watts propane	Peak output: 14,500 watts gasoline; 13,500 watts propane	VIEW LATEST PRICE	See Our Full Breakdown
Westinghouse WGen9500DF 12,500-Watt Dual-Fuel Portable Generator		Best for Remote-Start Backup on Two Fuels	Fuel type: Gasoline or propane	Peak output: 12,500 watts gasoline; 11,200 watts propane	Running output: 9,500 watts gasoline; 8,500 watts propane	VIEW LATEST PRICE	See Our Full Breakdown
WEN DF480iX 4800-Watt Dual-Fuel Inverter Generator		Best Inverter Pick for More Output	Fuel type: Gasoline or propane	Surge output: 4,800 watts gasoline; 4,320 watts propane	Engine displacement: 224cc	VIEW LATEST PRICE	See Our Full Breakdown
DuroStar DS13000MX 13,000-Watt Dual-Fuel Portable Generator		Best for High-Demand Home Backup	Peak wattage: 13,000 watts	Running wattage: 10,500 watts	Engine: 500cc	VIEW LATEST PRICE	See Our Full Breakdown
WEN DF475T 4,750-Watt Dual-Fuel Portable Generator with Wheel Kit and Electric Start		Best for Straightforward, Mid-Range Backup	Gasoline output: 4,750 surge watts; 3,800 running watts	Propane output: 4,350 surge watts; 3,500 running watts	Engine: 224cc 4-stroke OHV	VIEW LATEST PRICE	See Our Full Breakdown
Westinghouse 4650 Peak Watt Dual-Fuel Portable Generator		Best for RV Outlet Flexibility	Peak output: 4,650 watts on gasoline; 4,650 watts on propane	Engine: 212cc 4-stroke OHV	Fuel tank capacity: 4 gallons	VIEW LATEST PRICE	See Our Full Breakdown
Westinghouse 6500-Watt Dual-Fuel Portable Generator		Best for Balanced Home and RV Backup	Gasoline output: 5,300 running watts; 6,500 peak watts	Propane output: 4,800 running watts; 5,800 peak watts	Engine: 274cc Westinghouse 4-stroke OHV	VIEW LATEST PRICE	See Our Full Breakdown

More Details on Our Top Picks

1. PowerSmart 4400-Watt Dual-Fuel Portable Inverter Generator

   

   Best Overall

   View Latest Price

   The PowerSmart 4400 earns my Best Overall spot by balancing useful output, inverter-quality electricity, and two-fuel flexibility without moving into the size of a high-output worksite unit. Its less-than-3% THD is suited to sensitive electronics, while 3,600 running watts on gasoline gives more operating headroom than the PowerSmart 3800. Propane runtime reaches up to 24 hours at a quarter load, but that figure depends on a separate 20-pound tank; the built-in 1.6-gallon gasoline tank is small, with up to eight hours at the same load. At 68 pounds, it is also heavier than the 3800 and the sub-55-pound Champion. I’d choose it for a balanced home-backup and camping option, not for frequent solo carrying or extended gasoline use without refills.

   Pros:

   • Gasoline and propane operation gives fuel-choice flexibility.
   • Less than 3% THD is suitable for sensitive electronics.
   • Up to 24 hours on a 20-pound propane tank at 25% load.
   • Includes a CO sensor and overload protection.

   Cons:

   • The 1.6-gallon gasoline tank limits capacity for longer gas-only runs.
   • At 68 pounds, it is heavier than the PowerSmart 3800 and Champion 4000.

   Best for: Campers and homeowners who want clean inverter power, useful 120V output, and the choice to run on propane or gasoline.

   Not ideal for: Buyers who need a light generator for frequent solo lifting or longer gasoline stretches between refills.

   • Fuel type:Gasoline or propane
   • Starting watts:4,400 W gasoline; 4,000 W propane
   • Running watts:3,600 W gasoline; 3,300 W propane
   • Runtime:Up to 8 hours on gasoline; up to 24 hours on a 20 lb propane tank, both at 25% load
   • Fuel tank:1.6 gallons
   • Total harmonic distortion:Less than 3%
   • Weight:68 lb
   • Outlets:120V 30A L5-30R, 120V 20A 5-20R duplex, 12V 8A DC
   Our verdict

   “Choose this for a strong middle ground of inverter output and dual-fuel flexibility, provided its weight and small gasoline tank suit your plans.”

   → See it on Amazon →

2. PowerSmart 3800-Watt Dual-Fuel Inverter Generator

   

   Best for Quiet Camping

   View Latest Price

   The PowerSmart 3800 suits campsites and smaller backup loads where lower operating noise and manageable weight matter more than maximum output. It is rated at 59 dBA at 25% load in Eco Mode, and its 50.7-pound weight makes it easier to handle than the PowerSmart 4400. The tradeoff is less running capacity: 3,300 watts on gasoline and 3,100 on propane, so it gives up some headroom for larger appliances or overlapping loads. It also offers USB charging and parallel-ready capability, adding flexibility for smaller devices or a future paired setup. Runtime reaches up to 24 hours on a 20-pound propane tank, but gasoline capacity is only 1.3 gallons. Compared with the Champion 4000, this is quieter by its stated rating, though the Champion is lighter.

   Pros:

   • Rated at 59 dBA at 25% load in Eco Mode.
   • 50.7-pound weight is easier to move than the PowerSmart 4400.
   • USB outlets supplement its standard AC and DC outlets.
   • CO sensing and overload, short-circuit, and low-oil protections are included.

   Cons:

   • Lower running output than the PowerSmart 4400 limits larger or simultaneous loads.
   • The 1.3-gallon gasoline tank is small, and the propane runtime figure requires a 20-pound tank.

   Best for: Campers and owners of smaller RVs who prioritize a quieter inverter generator, USB charging, and lighter handling over higher output.

   Not ideal for: Buyers who need extra capacity for several large appliances or want a larger onboard gasoline supply.

   • Fuel type:Gasoline or propane
   • Starting watts:3,800 W gasoline; 3,500 W propane
   • Running watts:3,300 W gasoline; 3,100 W propane
   • Noise level:59 dBA at 25% load in Eco Mode
   • Runtime:Up to 8 hours on gasoline at 25% load; up to 24 hours on a 20 lb propane tank
   • Gasoline tank:1.3 gallons
   • Weight:50.7 lb
   • Outlets:120V 30A L5-30R, 120V 20A 5-20R duplex, 12V 8A DC, dual 5V 2.1A USB
   Our verdict

   “Pick this for quieter, lighter-duty camping and backup use, but choose the PowerSmart 4400 if additional running wattage matters more.”

   → See it on Amazon →

3. Champion 4000-Watt Dual-Fuel RV-Ready Portable Inverter Generator

   

   Best for RV Owners

   View Latest Price

   The Champion 4000 is the clearest fit here for RV owners who want a dedicated TT-30R connection and a comparatively light dual-fuel inverter. Its 120V 25A TT-30R outlet avoids relying only on a household-style receptacle for RV connection, while less than 3% THD supports sensitive electronics. At under 55 pounds, it is easier to move than the PowerSmart 4400 and far lighter than the A-iPower 7600. Champion lists up to 10 hours on gasoline and 25 on propane at 25% load, though propane output falls to 2,700 running watts versus 3,000 on gasoline. The 64 dBA rating is louder than the PowerSmart 3800’s stated Eco Mode figure. I’d favor this for RV-ready portability, but buyers wanting more running power should look to the PowerSmart 4400.

   Pros:

   • TT-30R outlet provides an RV-oriented connection.
   • Under-55-pound weight makes it lighter than the PowerSmart 4400.
   • Less than 3% THD is suited to sensitive electronics.
   • CO Shield automatic shutoff and a three-year limited warranty are included.

   Cons:

   • Running output drops to 2,700 watts on propane.
   • The parallel kit is sold separately.
   • Its 64 dBA rating is higher than the PowerSmart 3800’s stated Eco Mode noise level.

   Best for: RV travelers who want a portable inverter with a TT-30R connection, dual-fuel operation, and clean power for electronics.

   Not ideal for: Owners with higher continuous loads or anyone who wants electric starting or a parallel kit included.

   • Fuel type:Gasoline or propane
   • Starting watts:4,000 W
   • Running watts:3,000 W gasoline; 2,700 W propane
   • Runtime:Up to 10 hours on gasoline; up to 25 hours on propane at 25% load
   • Noise level:64 dBA at 23 ft
   • Total harmonic distortion:Less than 3%
   • Weight:Less than 55 lb
   • Outlets:120V 25A TT-30R, 120V 20A duplex, 12V automotive-style, parallel outlets
   • Warranty:3-year limited warranty; lifetime technical support
   Our verdict

   “Choose the Champion for a light, RV-ready inverter with clean output; look elsewhere if propane load capacity or quieter operation is the priority.”

   → See it on Amazon →

4. ERAYAK 4500W Dual-Fuel Portable Inverter Generator

   

   Best for Long Runs Between Refueling

   View Latest Price

   The ERAYAK 4500 stands out for its larger 2.25-gallon gasoline tank and stated runtime of up to 16 hours at 25% load, giving it an advantage over the PowerSmart models’ stated eight-hour gasoline runtimes. It also lists automatic fuel switching, a useful feature for buyers who want gasoline use to give way to propane when the gas supply runs out. Its 54-pound weight keeps it more portable than the 68-pound PowerSmart 4400, and the outlet mix includes an RV-style 30A connection plus USB-A and USB-C. The 58 dBA rating is specified at 23 feet and quarter load, so it is not directly comparable with every noise claim in this group. Its peak rating is not its continuous output, which is not specified in the supplied data; buyers should check that figure against their loads.

   Pros:

   • 2.25-gallon tank and up to 16-hour gasoline runtime at 25% load.
   • Automatic fuel switching offers a hands-off change between fuel sources.
   • 54-pound weight is lighter than the PowerSmart 4400.
   • Includes an RV outlet, USB-A, USB-C, and CO shutdown protection.

   Cons:

   • Supplied product data gives peak output but does not specify running watts.
   • At 54 pounds, it is heavier than the Champion 4000.
   • Requires outdoor operation in a well-ventilated area.

   Best for: Campers and backup-power buyers who value longer stated gasoline runtime, automatic fuel switching, and RV and USB connections.

   Not ideal for: Buyers who need a clearly stated running-watt rating before sizing loads or who prioritize a very light unit.

   • Fuel type:Gasoline and propane
   • Peak output:4,500 W gasoline; 4,050 W propane
   • Runtime:Up to 16 hours on gasoline at 25% load; over 20 hours on propane
   • Gasoline tank:2.25 gallons
   • Noise level:58 dBA at 23 ft and quarter load
   • Weight:54 lb
   • Outlets:Two 120V/20A outlets, 30A L5-30P, USB-A, USB-C
   • Safety:CO sensor with automatic shutdown; outlet circuit breaker protection
   • Warranty:3-year limited warranty with lifetime technical support
   Our verdict

   “Consider the ERAYAK if longer stated gasoline runtime and automatic fuel switching lead your priorities, but verify its continuous output fits your appliances.”

   → See it on Amazon →

5. A-iPower 7600W Dual-Fuel Inverter Generator with Electric Start

   

   Best High-Output Inverter

   View Latest Price

   When a smaller inverter’s capacity is the limiting factor, the A-iPower 7600 brings a substantial step up: 6,100 running watts on gasoline and 5,500 on propane, well above the PowerSmart 4400’s 3,600 and 3,300 watts. That extra capacity can support more demanding backup loads, while electric start avoids recoil starting. Its inverter output is listed at 3% THD, and the 3.6-gallon tank supports up to 10 hours on gasoline at 25% load; the stated 21.2-hour runtime uses both fuels. The tradeoff is portability: at 130 pounds, this is much harder to reposition than the Champion or ERAYAK. I’d choose it for higher-output backup where wheels and a telescoping handle help, not for campers who need a generator they can lift into a vehicle alone.

   Pros:

   • 6,100 running watts on gasoline exceeds the output of the other reviewed inverter models.
   • Electric start reduces the effort of starting the engine.
   • 3% THD inverter output is suited to sensitive electronics.
   • Includes a CO sensor, telescoping handle, and flat-free wheels.

   Cons:

   • At 130 pounds, it is far less portable than the Champion 4000 or ERAYAK 4500.
   • Gasoline runtime is up to 10 hours at 25% load, shorter than the stated combined-fuel runtime.
   • Two-year warranty is shorter than the Champion and ERAYAK three-year limited warranties.

   Best for: Homeowners who need higher running capacity for backup loads and prefer electric starting over a lighter, lower-output generator.

   Not ideal for: Campers, solo movers, and buyers who need a genuinely lightweight portable unit; it weighs 130 pounds.

   • Fuel type:Gasoline and propane
   • Starting watts:7,600 W gasoline; 6,900 W propane
   • Running watts:6,100 W gasoline; 5,500 W propane
   • Engine:322 cc, 4-cycle OHV
   • Fuel tank:3.6 gallons
   • Runtime:Up to 21.2 hours at 25% load using both fuels
   • Total harmonic distortion:3%
   • Starting system:Electric start
   • Weight:130 lb
   Our verdict

   “Pick this for higher-output dual-fuel inverter backup with electric start, as long as its 130-pound weight is manageable.”

   → See it on Amazon →

6. BILT HARD 4500W Dual-Fuel Portable Inverter Generator

   

   Best for Quiet, Electronics-Friendly Power

   View Latest Price

   The BILT HARD stands out for pairing 4,500 peak watts on gasoline with inverter output rated below 3% THD, a useful combination for buyers running electronics alongside camping or RV equipment. Its 58 dBA rating at 23 feet is quieter on paper than the WEN DF480iX’s 62 dB at quarter load, though the figures use different stated conditions and are not a direct test comparison. The 30A RV outlet, USB ports, and 12V DC output also cover more than basic household charging. At 57.7 pounds, it is not the lightest compact pick, and propane peak output falls to 4,150 watts. I’d choose it over the WEN DF360iX when the extra gasoline surge capacity and lower stated noise matter more than carrying weight; parallel operation requires a separately purchased kit.

   Pros:

   • Gasoline and propane operation gives fuel flexibility.
   • Less than 3% THD is suited to sensitive electronics.
   • Includes a 120V 30A TT-30R outlet, USB ports, and 12V DC output.
   • CO sensor, ECO mode, and a 58 dBA rating at 23 feet support quieter, safety-conscious use.

   Cons:

   • Propane peak output is lower than gasoline output.
   • Parallel kit is sold separately.
   • At 57.7 pounds, it is heavier than the WEN DF360iX.

   Best for: RV owners and campers who want inverter power, a 30A RV outlet, and a low stated noise level for electronics and smaller appliances.

   Not ideal for: Buyers who need high sustained output for several large household loads, or who want to expand capacity without buying a separate parallel kit.

   • Fuel type:Gasoline or propane
   • Peak output:4,500 watts gasoline; 4,150 watts propane
   • Engine:141cc, 4-stroke OHV, air-cooled
   • Power quality:Less than 3% THD
   • Noise level:58 dBA at 23 feet
   • Fuel tank capacity:1.37 imperial gallons
   • Runtime:Up to 13 hours
   • Weight:57.7 pounds
   Our verdict

   “Choose the BILT HARD if quiet, clean inverter power and RV-ready outlets matter more than minimizing weight or maximizing propane output.”

   → See it on Amazon →

7. WEN DF360iX 3600-Watt Dual-Fuel Portable Inverter Generator

   

   Best Lightweight RV Pick

   View Latest Price

   At 49 pounds, the WEN DF360iX is the easiest fit here for buyers who need to lift a generator into a vehicle or move it around a campsite. It offers both gasoline and propane, clean inverter power, and a TT-30R outlet, so its lower output than the BILT HARD 4500W is a deliberate trade: easier handling in exchange for less headroom for simultaneous loads. Its propane runtime reaches up to 14 hours with a 20-pound tank at half load, while gasoline runtime is listed at up to five hours at half load. That gap makes fuel choice relevant for longer outings. CO, low-oil, and low-fuel shutdown protection add useful safeguards, but the parallel kit costs extra. I’d pick this over the WEN DF480iX when carrying weight matters more than its larger surge capacity.

   Pros:

   • 49-pound weight makes it easier to transport than the larger WEN DF480iX.
   • Runs on gasoline or propane, with up to 14 hours on a 20-pound propane tank at half load.
   • Includes a TT-30R RV outlet, DC receptacle, and USB ports.
   • CO, low-oil, and low-fuel shutdown protection plus overload protection.

   Cons:

   • Gasoline runtime is listed at up to five hours at half load.
   • Lower output than the BILT HARD 4500W and WEN DF480iX.
   • Parallel connection kit is sold separately.

   Best for: Campers and RV owners who regularly load and unload their generator and can keep their power needs within its rated output.

   Not ideal for: Households seeking longer gasoline operation between refills or enough capacity for multiple high-draw appliances at once.

   • Fuel type:Gasoline or propane
   • Surge output:3,600 watts gasoline; 3,500 watts propane
   • Engine:149cc, 4-stroke
   • Noise level:65 dB at quarter load
   • Gasoline tank capacity:1.5 gallons
   • Runtime:Up to 5 hours at half load on gasoline; up to 14 hours at half load on a 20-pound propane tank
   • Weight:49 pounds
   Our verdict

   “Pick the DF360iX for portable RV and camping power when low weight matters more than extended gasoline runtime or extra capacity.”

   → See it on Amazon →

8. Westinghouse WGen11500DFc Dual Fuel Portable Generator with Remote Electric Start

   

   Best for High-Capacity Home Backup

   View Latest Price

   For buyers prioritizing household backup over campsite portability, the WGen11500DFc is the clear high-output choice in this group: it supplies 11,500 running watts on gasoline and 10,500 on propane. That is a different class from the inverter-focused BILT HARD 4500W, with capacity suited to more substantial loads and gasoline, propane, or natural gas for fuel flexibility. Remote key-fob and push-button starting can spare a trip outside to pull a recoil cord, while the 9.5-gallon tank is rated for up to 19 hours on gasoline. The cost of that capability is size: its 550cc engine and large tank make storage and transport less convenient. Its under-5% THD rating is also less stringent than the BILT HARD’s under-3% figure. This is a backup-station choice, not a lightweight portable pick.

   Pros:

   • High running output supports more household loads than the inverter models in this batch.
   • Accepts gasoline, propane, or natural gas.
   • Remote key-fob and push-button electric starting.
   • 9.5-gallon tank is rated for up to 19 hours of gasoline runtime.

   Cons:

   • Large 550cc engine and 9.5-gallon tank make storage and transport challenging.
   • Propane running output is lower than gasoline output, and listed runtime is up to seven hours on a 20-pound tank.
   • Less than 5% THD is a higher figure than the BILT HARD’s less-than-3% rating.

   Best for: Homeowners who want substantial transfer-switch-ready backup capacity and the option to use natural gas as well as gasoline or propane.

   Not ideal for: Campers, RV owners with limited storage, and buyers who need a light generator or the lowest listed THD for sensitive electronics.

   • Fuel type:Gasoline, propane, or natural gas
   • Running output:11,500 watts gasoline; 10,500 watts propane
   • Peak output:14,500 watts gasoline; 13,500 watts propane
   • Engine:550cc, 4-stroke OHV
   • Gasoline tank capacity:9.5 gallons
   • Gasoline runtime:Up to 19 hours
   • Total harmonic distortion:Less than 5%
   • Starting system:Push-button electric start and remote key fob
   Our verdict

   “Choose the WGen11500DFc for high-capacity home backup and three-fuel flexibility if its size is manageable and inverter-level THD is not your priority.”

   → See it on Amazon →

9. Westinghouse WGen9500DF 12,500-Watt Dual-Fuel Portable Generator

   

   Best for Remote-Start Backup on Two Fuels

   View Latest Price

   The WGen9500DF suits buyers who want substantial home-backup output without moving up to the three-fuel WGen11500DFc. It delivers 9,500 running watts on gasoline and 8,500 on propane, with remote, electric, and recoil starting. That combination gives more starting flexibility than the BILT HARD 4500W, but this is a conventional large-output generator rather than a compact inverter model for light camping. Its 6.6-gallon tank is rated for up to 12 hours, shorter than the WGen11500DFc’s stated 19-hour gasoline runtime, though tank sizes and output levels differ. The display tracks voltage, frequency, and operating hours, and its outlets include transfer-switch-ready and RV-ready connections. Buyers should account for minimal assembly and the lower propane output. I’d choose it when two-fuel operation and remote starting matter more than natural-gas compatibility.

   Pros:

   • Provides 9,500 running watts on gasoline and 8,500 on propane.
   • Offers remote, electric, and recoil starting.
   • Includes transfer-switch-ready and RV-ready outlets.
   • VFT display reports voltage, frequency, and operating hours.

   Cons:

   • Propane output is lower than gasoline output.
   • Up to 12 hours of runtime is less than the WGen11500DFc’s stated gasoline runtime.
   • Requires minimal assembly and is not a compact inverter option.

   Best for: Homeowners who need high-output gasoline-or-propane backup, remote starting, and transfer-switch-ready connections without needing natural-gas operation.

   Not ideal for: Campers seeking a compact inverter generator, or buyers who need natural-gas capability or the longer listed gasoline runtime of the WGen11500DFc.

   • Fuel type:Gasoline or propane
   • Peak output:12,500 watts gasoline; 11,200 watts propane
   • Running output:9,500 watts gasoline; 8,500 watts propane
   • Engine:457cc, 4-stroke OHV
   • Fuel tank capacity:6.6 gallons
   • Runtime:Up to 12 hours
   • Starting methods:Remote, electric, and recoil
   • Outlets:Six; includes transfer-switch-ready and RV-ready outlets
   Our verdict

   “Choose the WGen9500DF for remote-start home backup on gasoline or propane when natural-gas support and inverter portability are not required.”

   → See it on Amazon →

10. WEN DF480iX 4800-Watt Dual-Fuel Inverter Generator

    

    Best Inverter Pick for More Output

    View Latest Price

    The WEN DF480iX is the stronger choice for buyers who want inverter-style power but need more surge capacity than the DF360iX provides. Its 4,800 gasoline surge watts and 4,320 propane surge watts give extra room for startup demands, while the TT-30R outlet supports RV connections. Clean power, CO and low-oil shutdown, and fuel shutoff make it better suited to electronics and practical storage than a basic open-frame backup unit. The tradeoff is portability: wheels and a telescoping handle help move it, but the 224cc engine makes it a larger proposition than the 49-pound WEN DF360iX. At 62 dB at quarter load, its stated noise level is also higher than the BILT HARD’s 58 dBA at 23 feet, though the measurement conditions differ. Parallel operation requires a separate kit, and propane runtime depends on an external tank.

    Pros:

    • Higher gasoline surge output than the WEN DF360iX.
    • Clean inverter power with CO and low-oil shutdown protection.
    • Includes four household outlets, a TT-30R RV outlet, DC output, and USB ports.
    • Wheels and telescoping handle aid movement; electric start has recoil backup.

    Cons:

    • Larger and less convenient to lift than the 49-pound WEN DF360iX.
    • Parallel connection kit is sold separately.
    • Propane runtime depends on a separate 20-pound tank.

    Best for: RV owners and households wanting clean inverter output with more surge capacity than a lightweight 3,600-watt-class model.

    Not ideal for: Buyers who need the lightest generator for frequent lifting, or who want published propane runtime without relying on a separate tank.

    • Fuel type:Gasoline or propane
    • Surge output:4,800 watts gasoline; 4,320 watts propane
    • Engine displacement:224cc
    • Noise level:62 dB at quarter load
    • Gasoline tank capacity:1.9 gallons
    • Starting system:Electric start with recoil backup
    • Outlets:Four 120V NEMA 5-20R, one 120V TT-30R, one 12V DC, and two 5V USB
    • Warranty:3 years
    Our verdict

    “Choose the DF480iX when you need more inverter surge capacity and RV outlets, and can accept greater size and a separately supplied parallel kit.”

    → See it on Amazon →

11. DuroStar DS13000MX 13,000-Watt Dual-Fuel Portable Generator

    

    Best for High-Demand Home Backup

    View Latest Price

    The DuroStar DS13000MX is the high-output choice in this group: its 10,500 running watts on gasoline give it more capacity than the Westinghouse 6500-Watt Dual-Fuel Generator for powering several household loads through a transfer switch. Its 50-amp outlet supports that kind of home connection, while electric start and a front-facing fuel selector make operation more straightforward. Propane adds a storage-friendly alternative to gasoline, though the listed output figures do not specify propane wattage. A CO sensor and low-oil shutdown add protective features, but they do not replace safe outdoor placement. The tradeoff is portability: a 500cc engine and metal frame are harder to move than the smaller WEN DF475T. Choose it for substantial backup capacity, not frequent solo transport.

    Pros:

    • 10,500 running watts on gasoline provide substantial capacity for home backup
    • 50-amp outlet supports transfer-switch connection
    • Runs on gasoline or propane and includes a front-facing fuel selector
    • Electric start, CO detection, and low-oil shutdown

    Cons:

    • Large engine and metal construction can make it difficult to move
    • Fuel-powered operation requires gasoline or propane on hand
    • Propane output is not specified in the supplied product data

    Best for: Homeowners who need high running wattage and a 50-amp transfer-switch connection for multiple backup circuits.

    Not ideal for: Campers or buyers who need a generator they can frequently lift or move alone; its 500cc engine and metal frame favor stationary use.

    • Peak wattage:13,000 watts
    • Running wattage:10,500 watts
    • Engine:500cc
    • Fuel types:Gasoline and propane
    • Voltage:240 volts
    • Runtime:Up to 17 hours
    • Fuel tank capacity:8.3 gallons
    • Safety and connection features:CO sensor, low-oil shutdown, electric start, 50-amp transfer-switch-ready outlet
    Our verdict

    “Choose the DS13000MX if home backup capacity and a 50-amp connection matter more than easy portability.”

    → See it on Amazon →

12. WEN DF475T 4,750-Watt Dual-Fuel Portable Generator with Wheel Kit and Electric Start

    

    Best for Straightforward, Mid-Range Backup

    View Latest Price

    The WEN DF475T offers a practical middle ground for buyers who need more than a small RV generator but not the heavy output of the DuroStar DS13000MX. It provides 3,800 running watts on gasoline and 3,500 on propane, with a 120V/240V selector and an L14-30R outlet for compatible equipment or a transfer-switch setup. The included wheel and handle kit helps with repositioning, and electric start avoids relying only on a pull cord. Its 4-gallon tank is listed for up to 11 hours at half load on gasoline; that figure is useful for planning, but it does not describe runtime at heavier loads or on propane. This WEN suits basic backup and job-site needs, though buyers needing the Westinghouse 6500’s greater listed output should step up.

    Pros:

    • Runs on gasoline or propane, with output figures provided for both
    • 120V/240V output and an L14-30R twist-lock outlet
    • Electric start and included wheel and handle kit
    • Up to 11 hours of gasoline runtime at half load

    Cons:

    • Running output is lower on propane than on gasoline
    • Runtime figure applies to gasoline at half load, not heavier use or propane
    • No CO shutdown feature is listed in the supplied product data

    Best for: Households or DIY users who need moderate backup power, 120V/240V output, and a wheeled frame for occasional repositioning.

    Not ideal for: Buyers running several high-demand appliances at once or needing a stated long runtime under heavy load; its output and runtime details are more limited.

    • Gasoline output:4,750 surge watts; 3,800 running watts
    • Propane output:4,350 surge watts; 3,500 running watts
    • Engine:224cc 4-stroke OHV
    • Voltage:120V/240V
    • Fuel tank capacity:4 gallons
    • Runtime:Up to 11 hours at half load on gasoline
    • Starting method:Electric start
    • Outlets:Two 120V GFCI outlets, one 120V/240V L14-30R outlet, one 12V DC outlet
    • Included items:Wheel and handle kit, 47-inch LPG hose, bottle of oil
    Our verdict

    “Pick the DF475T for moderate dual-fuel backup with useful voltage flexibility and easier repositioning.”

    → See it on Amazon →

13. Westinghouse 4650 Peak Watt Dual-Fuel Portable Generator

    

    Best for RV Outlet Flexibility

    View Latest Price

    For RV owners who want a dedicated connection without moving up to a larger home-backup unit, the Westinghouse 4650 pairs a TT-30R RV outlet with a separate L5-30R outlet and household duplex. That makes its outlet selection more RV-oriented than the WEN DF475T, which instead supplies a 120V/240V L14-30R connection. The Westinghouse lists up to 4,650 peak watts on either fuel and up to 14 hours per tank, though running wattage and the conditions behind that runtime are not provided here. Automatic CO and low-oil shutdown add protection, and the three-year limited coverage is a useful ownership detail. It is a focused fit for RV and moderate backup use, not the pick for buyers who need stated running capacity or the DS13000MX’s much higher output.

    Pros:

    • Includes a TT-30R RV-ready outlet and an L5-30R outlet
    • Runs on gasoline or propane, with 4,650 peak watts listed for both
    • Automatic carbon monoxide and low-oil shutdown
    • Up to 14 hours of runtime per tank and three-year limited coverage

    Cons:

    • Running wattage is not specified in the supplied product data
    • Runtime conditions are not stated, making load-based planning harder
    • Requires minimal assembly before use

    Best for: RV owners who want a TT-30R connection, dual-fuel operation, and a separate 30-amp outlet for compatible equipment.

    Not ideal for: Buyers who need clearly stated running-watt capacity or substantial whole-home backup; the supplied data lists peak output only.

    • Peak output:4,650 watts on gasoline; 4,650 watts on propane
    • Engine:212cc 4-stroke OHV
    • Fuel tank capacity:4 gallons
    • Runtime:Up to 14 hours per tank
    • Outlets:5-20R 120V household duplex, TT-30R 30A RV-ready, L5-30R 30A
    • Safety features:Automatic low-oil and carbon monoxide shutdown
    • Compliance:EPA compliant
    • Warranty:3-year limited service, labor, and parts coverage
    Our verdict

    “Choose the Westinghouse 4650 for RV-focused outlet options and dual-fuel flexibility, provided peak-only output data meets your planning needs.”

    → See it on Amazon →

14. Westinghouse 6500-Watt Dual-Fuel Portable Generator

    

    Best for Balanced Home and RV Backup

    View Latest Price

    The Westinghouse 6500-Watt Dual-Fuel Generator fills the gap between the RV-focused Westinghouse 4650 and the much larger DuroStar DS13000MX. It lists 5,300 running watts on gasoline and 4,800 on propane, so buyers can plan around a meaningful capacity difference between fuels rather than assuming identical output. The 120/240V selector, L14-30R transfer-switch-ready outlet, and TT-30R RV connection let it serve more than one backup role. Up to 14.5 hours of runtime and a 4.7-gallon tank support extended operation, though the supplied data does not specify the load used for that runtime. CO and low-oil shutdown are included, along with a wheel kit. It is more versatile than the 4650 for home connections, but still falls short of the DuroStar for higher-demand backup.

    Pros:

    • Provides 5,300 running watts on gasoline and 4,800 on propane
    • Includes TT-30R RV and L14-30R transfer-switch-ready outlets
    • Up to 14.5 hours of runtime with a 4.7-gallon tank
    • CO and low-oil shutdown, plus an included wheel kit and propane hose

    Cons:

    • Running output drops by 500 watts when using propane
    • Runtime load conditions are not specified in the supplied data
    • Requires minimal assembly before use

    Best for: RV owners and households seeking midrange backup power with both an RV outlet and a 120/240V transfer-switch-ready connection.

    Not ideal for: Buyers with high-demand whole-home backup needs who require more running capacity than this model’s 5,300 watts on gasoline can provide.

    • Gasoline output:5,300 running watts; 6,500 peak watts
    • Propane output:4,800 running watts; 5,800 peak watts
    • Engine:274cc Westinghouse 4-stroke OHV
    • Voltage:120/240V selector switch
    • Fuel tank capacity:4.7 gallons
    • Runtime:Up to 14.5 hours
    • Outlets:5-20R 120V duplex, TT-30R 30A, L14-30R 30A
    • Safety features:Automatic low-oil and carbon monoxide shutdown; rubber outlet covers
    • Included accessories and warranty:Oil, funnel, propane hose, tool kit, wheel kit, manual; 3-year limited coverage
    Our verdict

    “Choose this Westinghouse if you want one midrange generator for RV use and transfer-switch-connected backup without the DS13000MX’s size and capacity.”

    → See it on Amazon →

How We Picked

I compared these 14 models around the decisions that matter for dual-fuel use: usable output on gasoline and propane, inverter or conventional generator design, portability, starting and control features, and suitability for RV or home backup tasks. I also treated maintenance access, practical handling, and the likely gap between peak and running wattage as buyer concerns rather than relying on a headline watt figure alone. Because product specifications and configurations can vary, buyers should confirm the exact model’s output, outlets, and included accessories before purchase.

The ranking favors models with a useful balance of power, fuel flexibility, and usability for a clearly defined buyer. The Champion 4000-Watt inverter leads as a versatile middle ground; compact inverter models follow for lighter-duty needs, while higher-output conventional generators rank better for demanding backup loads than for portability. Models with electric or remote start earn credit for convenience, but they do not outrank a better-fitting power class simply for having more controls. Each pick has a distinct role, and the tradeoffs become more pronounced as output and generator size increase.

Factors to Consider When Choosing Dual Fuel Portable Generators

Before choosing among these dual fuel portable generators, start with the loads you need to run and the place where the generator will sit. The label alone will not tell you whether a unit can start an air conditioner, support an RV, or power selected home circuits on propane. These factors help turn a long list of wattages into a practical shortlist.

Size the Generator Around Starting Loads

Write down the appliances or equipment you expect to run at the same time, then separate their running watts from their startup demands. Motors in refrigerators, pumps, and air conditioners can briefly draw more power when they start, so a generator that appears large enough on paper may still struggle with overlapping startup loads. Avoid adding every appliance’s peak figure together if you will not run them simultaneously; instead, plan a realistic load schedule. Check the generator’s running-watt rating, not just its peak number, because sustained output determines what it can support over time. If your needs change often, a modest reserve can reduce the need to switch appliances on and off. For home backup, choose which circuits matter before buying rather than assuming a portable unit will power an entire house.

Compare Output on Gasoline and Propane

Dual-fuel flexibility is useful only if the generator supplies enough power on the fuel you expect to use. Manufacturers may list different output figures for gasoline and propane, so compare both ratings for the exact model and use the lower figure when propane will be your main backup fuel. Propane can be convenient to store for emergencies, while gasoline may provide higher output on some models; neither option removes the need for safe storage and correct connection procedures. Think about how you will obtain and store fuel during a long outage, not only which fuel is easier to buy on an ordinary day. Check whether a regulator or hose is included and confirm compatibility before relying on an existing tank. A common mistake is choosing by the gasoline headline figure, then discovering the propane rating does not cover the intended loads.

Choose Inverter or Conventional Power for Your Use

Inverter generators in this roundup are generally better suited to buyers prioritizing quieter operation, portability, or sensitive electronics, while larger conventional designs emphasize higher output. The choice is not simply about whether a device can be plugged in: check the manufacturer’s guidance for your electronics and the generator’s stated power quality. An inverter model can be a sensible fit for RV trips or smaller backup loads, but it may not provide the capacity needed for several high-draw appliances. A conventional model can cover more demanding loads, though its size, noise, and fuel needs may be less appealing at a campsite. Do not assume that every dual-fuel generator is equally quiet or equally easy to transport. Match the design to where it will run and who will need to move or operate it.

Plan for Portability, Storage, and Starting

Portable describes a product category, not a promise that every generator is easy to lift. Larger units may have wheel kits or handles, but you still need a clear route from storage to the operating spot and enough space for safe operation. Electric or remote start can simplify operation, especially during bad weather or for users who would rather avoid repeated pull starts; check whether the battery needs regular attention. A smaller unit may be easier to move and store, even if its lower output requires careful load management. Measure storage space and consider whether the generator will need to cross steps, gravel, or uneven ground. Buying a heavy model without planning its movement can turn a useful backup tool into a difficult one to deploy.

Check RV and Home Connections Before You Buy

For RV use, confirm the generator has the outlet and capacity your rig requires, and check whether an adapter or separate transfer accessory is needed. An RV-ready outlet does not automatically mean the generator can run every onboard appliance at once; air conditioners and other high-draw equipment still need to fit within the available output. For home backup, a generator should connect through an appropriate transfer arrangement installed or approved by a qualified professional, not through an improvised connection. Compare outlet types, circuit ratings, and any required cables with your actual setup before selecting a model. Buyers sometimes focus on wattage while overlooking that the generator lacks the connection they need. Compatibility checks can prevent extra purchases and avoid unsafe workarounds.

Budget for Fuel, Maintenance, and Safe Operation

The purchase decision is only part of owning a generator: routine oil changes, air-filter care, fuel management, and battery upkeep can affect how ready it is when needed. Read the maintenance schedule for the specific model and consider whether you can access its service points without difficulty. Follow the manual’s instructions for outdoor placement, clearance, grounding where required, and carbon monoxide protection; never operate a fuel-burning generator indoors or in an enclosed space. A transfer switch or other approved connection may add to the overall setup cost for home use, even when the generator itself includes the outlets you want. Propane storage also needs an appropriate location and sound handling practices. A lower-output model that is maintained and safely set up may serve a buyer better than a larger unit that is difficult to store, fuel, or operate.

Frequently Asked Questions

Can a dual-fuel generator run my home during a power outage?

It can power selected household loads if its running output, outlets, and connection method match your setup. Add up the running needs of the circuits you plan to use and account for startup demands from motors such as pumps or refrigerators. The smaller inverter models in this roundup are better suited to a limited set of essentials, while the Westinghouse WGen11500DFc, WGen9500DF, and DuroStar DS13000MX target higher-demand use. A portable generator does not connect directly to a home’s wiring without an approved transfer setup. Ask a qualified electrician to confirm the required equipment and safe installation before relying on a generator for home circuits.

Will a dual-fuel generator run an RV air conditioner?

It may, but the answer depends on the air conditioner’s startup demand, the generator’s running capacity on the fuel you plan to use, and what else the RV is drawing. Check the RV appliance specifications and compare them with the generator’s propane and gasoline ratings separately. An RV-ready outlet helps with connection, but it does not increase the generator’s available watts. If the air conditioner is close to the generator’s limit, running other high-draw appliances at the same time may cause an overload. Buyers should verify outlet compatibility and any adapter needs before travel rather than discovering them at a campsite.

Should I choose an inverter model or a higher-output conventional generator?

Choose an inverter model when portability, RV use, or manufacturer-stated suitability for sensitive electronics matters more than maximum output. Choose a higher-output conventional generator when you need to run several demanding household loads and can accommodate a larger, heavier machine. The PowerSmart, Champion, WEN, ERAYAK, and BILT HARD inverter options represent a different balance from the large Westinghouse and DuroStar units. Compare the noise guidance, fuel use, running watts, and transport requirements for the exact model rather than assuming one design is always better. Your intended location and load plan should decide the type.

Is propane a dependable primary fuel for backup power?

Propane can be a practical backup fuel because it can be stored in suitable tanks, but the generator’s propane output may be lower than its gasoline output. Check that the propane rating covers your essential loads and confirm the required tank, hose, regulator, and connection instructions. Storage conditions, tank size, and access to refills affect how long you can operate during an outage. Gasoline may suit buyers seeking the model’s higher rated output, while propane may better fit a planned storage routine. Either fuel requires following the manufacturer’s safety directions and never running the generator indoors.

What should I verify before ordering a generator for emergency use?

Confirm the exact model’s running watts on your chosen fuel, outlet types, included accessories, starting method, and maintenance requirements. Then check that you have a safe outdoor operating location, a suitable extension-cord or transfer setup, and a realistic fuel-storage plan. Large models may require help or a clear route to move, even when wheels are included; compact models may require you to prioritize which appliances run. For home circuits, arrange an approved transfer solution rather than improvising a connection during an outage. A short test run and upkeep schedule can reveal setup problems before the generator is urgently needed.

Conclusion

For most buyers wanting a balance of inverter operation, dual-fuel flexibility, and RV-friendly utility, I recommend the Champion 4000-Watt Dual-Fuel RV-Ready Portable Inverter Generator as the best overall pick. The WEN DF360iX is my choice for beginners who want a smaller inverter generator and a simpler scale of use; buyers should still confirm that its output covers their planned loads. For value, compare the PowerSmart 3800-Watt and Westinghouse 4650 Peak Watt against your actual output and outlet needs rather than choosing by wattage labels alone. If your priority is higher-capacity home backup, look at the Westinghouse WGen11500DFc or DuroStar DS13000MX, with the tradeoff of greater size and handling demands. The A-iPower 7600W inverter is the premium-leaning fit for buyers seeking a larger inverter-format option, while RV owners should give the Champion’s RV-ready configuration special attention. My final advice is to size for propane output if that is your planned backup fuel, then verify connections, placement, and safe operation before buying.