The 12 Best Natural Gas Portable Generator in 2024 - Features, Reviews and FAQs

Your 8000-watt portable generator operates on natural gas, propane, or gasoline, plus natural gas and propane hoses are included so the unit is ready to run on any fuel right out of the box

Power up the 459cc Champion engine with the handy rocker switch, battery included. Gasoline Tank Material-Steel

Track voltage, frequency, session run time, and total run time to monitor output and track maintenance intervals, plus the UL-recognized sensor uses an LED to indicate CO shutoff or fault

Gasoline: 10,000 starting watts and 8000 running watts, propane: 9000 starting watts and 7200 running watts, natural gas: 8750 starting watts and 7000 running watts and engine oil is included

Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

1.8 Hrs to Full Charge. EcoFlow's patented X-Stream AC fast charging lets you recharge DELTA Max in only 1.8 hours. Or even quicker if you combine any two charging methods, that's from an AC wall outlet, solar panels, or a Dual Fuel Generator.

2-6kWh Expandable Capacity. DELTA Max's large 2kWh capacity keeps your home appliances running during a blackout. Expand up to 6kWh with Extra Batteries, keeping your home powered on in any emergency.

Power Heavy-duty Devices with 2400W Output. 2400W output to power up to 15 devices at once. Power 3400W appliances with X-Boost on. That means during a power outage or blackout, you can continue to power your fridge, microwave, dryer, and more. Ideal power generator for backup power.

Solar Charge in as fast as 2.5 Hrs. Connect solar panels of up to 800W to keep DELTA Max running even when there's an outage. Compared to gas generator, the cost of gas, noisy operation, maintenance make DELTA Max a good long-term investment.

Monitor & Control from the EcoFlow App. Take control of your DELTA Max and quick-view stats right from your phone. Customize settings such as charging speeds and Dual Fuel Generator auto-start levels to fit your power needs.

Plug and play home backup power. Simply connect DELTA Max to your power inlet box for instant home backup when the power goes down.

12, 000 peak watts/ 9, 500 Rated watts (gasoline) & 10, 800 peak watts/ 8, 550 Rated watts (LPG)

Dual fuel capability allows you to choose between gasoline & LPG fuel sources; great for emergency situations or natural disaster as LPG may be more readily available and easy to store

The 457cc, single cylinder, 4-stroke, air cooled, OHV engine with electric start is protected by a durable powder coated frame

A 8 gallon fuel tank gives you up to 12 hours of continuous operation at half load when running on gasoline

(4) 120V 20A AC outlets, (1) 120V/240V 30A twist-lock outlet, (1) 120V/240V 50A outlet, (1) 12V DC output provide ample space for powering appliances, tools, and other devices

Convenient drop-down handles and 10” never-flat wheels for added mobility and easy storage

Complete with low oil shut-off, 3-in-1 digital meter, and automatic voltage Regulation for less worry and hassle

Includes propane hose & backed by a 1 Year limited

Plenty of Power – With 10,000 starting watts and 8,000 running watts, this unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools

Dual Fuel Technology – This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice

Powerful Engine – The DuroMax 439cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools

Idle Control – Lowers the RPMs of the generator when not in use, saving fuel and reducing noise. Ideal on job sites where power is used intermittently

MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs

PowerRush ADVANCED TECHNOLOGY – Delivers over 30% more starting capacity allowing you to do more with less.*

Electric start model for easy operation. (Battery Included)

Generac's durable OHV engine with splash lubrication provides a long engine life.

Large-capacity steel fuel tank with incorporated fuel gauge provides durability and up to a 11 hour run-time at 50% load.

Low-oil level shutdown automatically safeguards generator engine from damage.

1 ¼” steel-tube cradle for added durability and strength.

Hour meter tracks generator maintenance intervals.

Heavy-duty, never-flat wheels allow for easy generator portability.

Plenty of Power – With 5,500 starting watts and 4,500 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools

Dual Fuel Technology – This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice. Low Oil Shutoff

Powerful Engine – The DuroMax 224cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools

MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs

Fully Featured Power Panel – The power panel includes a wide selection of outlets for maximum compatibility in your applications including: (2) 120V household GFCI outlets, and (1) 120/240V 30A twist lock outlet. The panel also includes a voltmeter and 12V DC charging posts for charging external batteries

The A-iPower SUA12000 produces 12,000 starting watts with 9,000 running watts to power your tools at the construction site, camping ground, or home appliances

Powerful 459 cc OHV 4 stroke engine with a low oil alert light and low oil automatic shutdown, helping keep your generator performing year after year

Large 7 gallon gasoline fuel tank provides average run time of 7 hours at 100% load and 9 hours at 50% load

Complete with Electric Start capability allowing you to quickly, easily, and conveniently start up your generator whenever you need it

Outlets include: 2x5-20R Duplex GFCI (20A, 120V), 1xL14-30R (30A, 120/240V), 1x14-50R (50A, 120/240V), 1xMultifunction Port USB Ready Automotive Style Outlet (8.3A, 12V). All outlets include rubber covers for an additional layer of safety.

Plenty of Power – With 13,000 starting watts and 10,500 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools

Powerful Engine – The DuroStar 500cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools

Idle Control – Lowers the RPMs of the generator when not in use, saving fuel and reducing noise. Ideal on job sites where power is used intermittently

Low Oil Shutoff – Protects your investment by automatically shutting the generator off when it senses that the oil is low

Fully Featured Power Panel – The power panel includes a wide selection of outlets for maximum compatibility in your applications including: 2 120V household GFCI outlets, (1) 120V 30A twist lock outlet, (1) 240V 30A outlet, and (1) 240V 50A outlet. The panel also includes a digital voltmeter and 12V automotive charging outlet

Portable generator: Generator solid handle, easy to carry, suitable for camping, construction sites, mobile devices, power outages and other outdoor adventures. Weighs only 26.5lbs (approx. 12.0 kg).

Clean energy: The generator has 2 AC outlets (120V) and 5V USB output ports to provide clean power for sensitive devices such as cell phones, laptops and other outdoor electronics. The finished safety design prevents equipment damage.

Stable output: The gas generator includes a 56cc, 4-stroke pneumatic engine that provides 1500 watts and 1000 watts of rated power with reliable performance and a fuel tank capacity of 0.74 gallons for 6 hours of operation.

Low noise: No noise environment is one of our goals. Low decibels are implemented during operation to provide a quiet environment for users.

We care about every precaution you take: please read and follow the manual instructions before operating the generator. We are committed to providing you with a 3-year warranty and excellent customer service.

【Powerful Engine】5000 Rated Watts and 5500 Peak Watts at Less Than 3% THD，Telescoping Handle ，Manual / Electric start， 3.9 Gallon Fuel Tank With Fuel Gauge，Up to 10 Hours of Run Time with 120/240V Volt Selector Switch.

【Wide Application】 GENMAX portable generator is great for home emergency power supply，campgrounds, construction sites, mobile devices and power outages. This generator is very durable that provides continuous power to handle multiple jobs, such as powering high voltage appliances and heavy duty power tools in different job sites.

【Multifunctional power supply panel】Includes low oil alarm, overload alarm,Co warning light ，output indicator features and Fault alarm function，“Eco mode” for conserving energy and maximum fuel efficiency，An easily accessible TT-30R RV outlet makes the perfect for travel trailers.

【Quiet and Lightweight Structure】The compact suitcase design is easy to carry，Economy mode automatically adjusts engine speeds to save fuel and reduce sound emissions，The runtime sound is only 60 decibels， Integrated Off/Run/Choke Knob simplifies startup procedures.

【CO Detect Shutdown】 Includes CO Detect shutdown sensor for Prevention of Carbon Monoxide Poisoning.

【GENMAX Support】Includes 1-year warranty with FREE lifetime technical support from experts.