The 11 best inverter generators of 2025

9000 Running Watts and 11000 Peak Watts (Gasoline), 8100 Running Watts and 10000 Peak Watts (Propane) at Less Than 3% THD; Remote Electric Start With Included Key Fob, Push Button and Recoil Start; Up to 17 Hours of Run Time on a 9.8 Gallon Fuel Tank

Features Two GFCI 120V 5–20R Standard Household Outlets, One Transfer Switch Ready 120V L14-30R Outlet, and One Transfer Switch Ready 120/240V 14–50R Outlet; All Outlets Have Rubber Covers for Added Safety

Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours

Powered by a Heavy Duty 452cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Carbon Monoxide (CO) Sensor

Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

At less than 49 pounds, this inverter is one of the lightest 4000-watt inverters in the industry

64 dBA from 23 feet is perfect for camping, tailgating or to backup a few home essentials, with 4000 starting watts, 3000 running watts and up to 10 hours run time, plus features CO Shield carbon monoxide auto shutoff system

The optional parallel kit enables this inverter to connect with another 4000-watt Champion inverter to double your output power

Includes a 120V 25A TT-30R outlet, a 120V 20 A household duplex outlet (5-20R) with clean electricity (less than 3% THD), plus a 12V automotive-style outlet, and Parallel outlets

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

224cc dual-fuel engine runs on both gasoline (6800 surge watts, 5100 rated watts) and propane (6000 surge watts, 4500 rated watts)

Bonded-neutral 240V configuration provides low-power Level 2 charging for battery and hybrid electric vehicles

The WEN Watchdog CO Shutdown Sensor helps protect both you and your family by automatically turning off the generator if dangerous levels of carbon monoxide are detected

Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down

Includes fuel shut-off to help limit maintenance, onboard wheels, a telescoping pull handle, one L14-30R 120V/240V receptacle, two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, a voltage selector switch, a tool-free LPG quick-connector, a six-foot-long LPG regulator hose, and a three-year warranty

149cc engine generates up to 3600 surge watts and 2900 rated watts

Produces clean power to prevent damage to sensitive electronics such as smart phones, tablets and laptops

Ultralight body weighs in at a mere 46 pounds for easy transport and torage

Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down

Includes two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, and a three-year warranty

224cc engine generates up to 4800 surge watts and 4000 rated watts

Produces clean power to prevent damage to sensitive electronics such as smartphones, tablets and laptops

Ultra-efficient 1.9-gallon tank provides up to 7 hours of half-load run time

Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down

Includes onboard wheels, a telescoping pull handle, four three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, and a three-year warranty

This popular model can operate a wide variety of appliances, making it perfect for portable use at home, camping, on the job site, or much more. Reliable Power is now at your fingertips with Honda's Inverted Generators.

So quiet, your neighbors will thank you. The EU2200i operates at 48 to 57 dBA, which is less noise than a normal conversation. This makes it ideal for camping, supplemental RV power and any other activity that requires quiet operation.

Add a second EU2200i for additional power. Two identical models can be paralleled with an optional cable or cord for up to 4400 watts of power, or time-consuming applications.

Thanks to our exclusive Eco-Throttle System, the EU2200i offers great fuel efficiency. Runs 4.0 to 9.6 hours on a single tank, depending on the load. This makes it the ideal choice for overnight power, or long-time applications.

Honda's inverter technology means stable, clean power in a smaller, lighter package. The precision of Honda's inverter technology ensures our inverter generators produce power that is as reliable as the power you get from your outlets at home.

2550 Peak Watts and 1900 Rated Watts at Less Than 3% THD – Weighs Only 42.4 Lbs. – Gas or Propane Powered – One RV Ready TT-30R Outlet, Two 120V 20 Amp Outlets, and Two USB Outlets

Great Choice for Home Use as an Emergency Backup in a Power Outage – Strong Enough to Run All Your Home Essentials

Extremely Quiet, Extremely Fuel Efficient: As Low As 52 dBA Noise Output and Up to 12 Hours of Run Time on a 1.16 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency

Plug-and-Play: Comes With Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

Operate your 11,000-watt portable generator right out of the box on either gasoline or propane, plus features CO Shield carbon monoxide auto shutoff system

At 11,000 starting watts and 9,000 running watts on gasoline, and 11,000 starting watts and 8,100 running watts on propane, enjoy up to 15 hours of run time on a full tank of gasoline with a noise level of 64 dBA from 23 feet

Trust the reliable 459cc Champion engine with its battery-included electric start feature and built-in Cold Start Technology for easy starts in cold weather

Two 120V 20A GFCI household duplex outlets, a 120/240V 30A locking outlet, a 120/240V 37.5A outlet, and a 12V automotive-style outlet

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

5000 Peak Watts and 3900 Rated Watts at Less Than 3% THD – Telescoping Handle – Gas or Propane Powered – Remote Start With Included Key Fob, Electric and Recoil Start. Grounding System-Floating Neutral

Features a 5–20R 120V Duplex Household Outlet, an RV-Ready TT-30R 30 Amp Outlet and Two USB Outlets – Great Choice for Travel Trailers or Home Use with Automatic Low Oil and Carbon Monoxide (CO) Shutdown – Strong Enough to Run All Your Essentials

Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours

Extremely Quiet, Extremely Fuel Efficient: as Low as 52 dBA Noise Output and Up to 18 Hour Run Time on a 3. 4 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network

"POWERFUL With inverter technology, this generator produces 2350 peak watts and 1,900 running watts of clean power (less than 3% THD), providing ample power for tailgating, camping, and emergency home backup."

"SUPER QUIET & CO SENSOR Operates as low as 56 dB with a double-insulated acoustic enclosure, a forced air-cooling system, an OHV 4-stroke engine, and a muffler to reduce operating noise. Equipped with CO Sensor technology, it shuts off automatically if harmful levels are detected, keeping you safe."

"ULTRA LIGHTWEIGHT The portable inverter generator is EPA compliant, features low-oil shutdown, overload protection, and Eco-mode. Weighing only 39 pounds, it is lightweight, compact, and easy to carry."

"PARALLEL READY Allows you to increase output power up to 30 amps by connecting two 2500-watt inverters (parallel kit is sold separately), meeting higher energy demands for your devices."

"POWER PANEL Use the Eco-mode to extend the running time. Includes (2) 120V 20A NEMA 5-20R household receptacles, (2) USB receptacles, and (1) 12V DC outlet for charging batteries. Comes with a 2-year warranty and FREE lifetime technical support from experts."

Quiet Technology and Extended Run Time: 61 dBA is great for RVs, tailgating, or camping with 4500 starting watts and 3500 running watts and up to 14 hours run time on only 2.3 gallons of gasoline

Parallel Ready: The optional parallel kit (sold separately) enables this inverter to connect with another 2800-watt or higher Champion inverter to double your output power

Intelligauge with Power Meter: Monitor voltage, frequency and operating hours with ease, plus features CO Shield carbon monoxide auto shutoff system, and the EZ Start Dial simplifies startup while Economy Mode monitors power consumption in real time

Clean Power for Sensitive Electronics: 120V 29.2A RV outlet, and a 120V 20A household duplex outlet with clean power (less than 3% THD)

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