Best Largest Portable Inverter Generator in 2025
Updated on July 2025
#1
Recommended
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- 16,000 peak and 13,000 running watts for home, jobsite, and RV use.
- Dual fuel capability: operates on gasoline or propane.
- Inverter technology for clean power to protect electronics.
- Remote start feature adds convenience for operation.
- Low oil shutoff for automatic protection of the generator.
- Digital display for monitoring runtime and voltage output.
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- 16,000 peak and 13,000 running watts for home, jobsite, and RV use.
- Dual fuel capability: operates on gasoline or propane.
- Inverter technology for clean power to protect electronics.
- Remote start feature adds convenience for operation.
- Low oil shutoff for automatic protection of the generator.
- Digital display for monitoring runtime and voltage output.
#2
Value for Money
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- Suitable as a backup power supply for large homes or for portable power needs
- Offers peak wattage of 14,500 (gasoline) and 13,500 (propane), with running wattage of 11,500 (gasoline) and 10,500 (propane)
- Can operate for up to 19 hours on a 9.5-gallon fuel tank; about 7 hours on a 20 lb. propane tank
- Equipped with a robust 550cc 4-Stroke OHV engine featuring a durable cast iron sleeve
- Tested for functionality in the factory, may have residual oil or fuel odor; complies with EPA standards; includes a 3-year limited service, labor, and parts warranty with nationwide customer service
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- Suitable as a backup power supply for large homes or for portable power needs
- Offers peak wattage of 14,500 (gasoline) and 13,500 (propane), with running wattage of 11,500 (gasoline) and 10,500 (propane)
- Can operate for up to 19 hours on a 9.5-gallon fuel tank; about 7 hours on a 20 lb. propane tank
- Equipped with a robust 550cc 4-Stroke OHV engine featuring a durable cast iron sleeve
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#3
15% Off
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- Produces 4,500 starting watts and 3,500 running watts, suitable for home and outdoor use.
- Lightweight at 54 lbs, making it highly portable.
- Operates quietly at 60.5 dB(A), ideal for residential and quiet outdoor settings.
- Includes a dedicated 30 Amp RV outlet and various AC and USB ports for versatile power supply.
- Advanced inverter technology provides low Total Harmonic Distortion (THD) of 0.2%-1.2%, making it safe for sensitive electronics.
- Built-in CO detection system for automatic shutdown to ensure safety.
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- Produces 4,500 starting watts and 3,500 running watts, suitable for home and outdoor use.
- Lightweight at 54 lbs, making it highly portable.
- Operates quietly at 60.5 dB(A), ideal for residential and quiet outdoor settings.
- Includes a dedicated 30 Amp RV outlet and various AC and USB ports for versatile power supply.
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#4
20% Off
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- 9500 running watts and 12500 peak watts on gasoline; 8500 running watts and 11200 peak watts on propane; remote start available with included key fob; offers electric and recoil start options
- Equipped with two GFCI 120V 5–20R standard household receptacles, one transfer switch ready 120V L14-30R, and one RV ready 120/240V 14–50R; all outlets are protected with rubber covers
- Powered by a 457cc Westinghouse 4-Stroke OHV engine featuring a durable cast iron sleeve; includes automatic low oil shutdown and a digital hour meter; VFT display provides real-time updates on voltage, frequency, and operating hours
- Includes a remote start key fob, 12V battery charger, oil, oil funnel, tool kit, and user manual for easy setup; minimal assembly required
- Factory-tested for functionality; may contain residual oil or fuel odor; EPA compliant; comes with a 3-year limited service, labor, and parts coverage and access to nationwide customer service
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- 9500 running watts and 12500 peak watts on gasoline; 8500 running watts and 11200 peak watts on propane; remote start available with included key fob; offers electric and recoil start options
- Equipped with two GFCI 120V 5–20R standard household receptacles, one transfer switch ready 120V L14-30R, and one RV ready 120/240V 14–50R; all outlets are protected with rubber covers
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#5
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- 9000 running watts (11,000 peak) on gasoline, 8,100 running watts (10,000 peak) on propane, with less than 3% THD
- Equipped with two GFCI 120V outlets, one transfer switch ready 120V outlet, and one transfer switch ready 120/240V outlet; all outlets feature rubber covers for safety
- Digital display shows fuel level, power output, remaining run time, voltage, and lifetime hours
- Features a durable 452cc 4-stroke OHV engine with a cast iron sleeve, automatic low oil shutdown, and carbon monoxide sensor
- Includes a remote start key fob, 12V battery charger, oil, oil funnel, tool kit, and user manual for easy setup
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- 9000 running watts (11,000 peak) on gasoline, 8,100 running watts (10,000 peak) on propane, with less than 3% THD
- Equipped with two GFCI 120V outlets, one transfer switch ready 120V outlet, and one transfer switch ready 120/240V outlet; all outlets feature rubber covers for safety
- Digital display shows fuel level, power output, remaining run time, voltage, and lifetime hours
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#6
5% Off
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- Compact and lightweight inverter generator suitable for outdoor activities like camping and tailgating
- Electric start feature with included battery for easy operation during power outages
- Noise-reducing design for quiet operation during home backups and outings
- Fuel selector enables smooth switching between gasoline and LP gas for uninterrupted power
- LED indicators for oil level and overload status, plus USB ports for charging devices and parallel capability for increased power
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- Compact and lightweight inverter generator suitable for outdoor activities like camping and tailgating
- Electric start feature with included battery for easy operation during power outages
- Noise-reducing design for quiet operation during home backups and outings
- Fuel selector enables smooth switching between gasoline and LP gas for uninterrupted power
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#7
10% Off
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- XP13000EH Dual Fuel generator delivers 13,000 watts of power for comprehensive home backup during outages.
- DuroMax leads the industry with a range of Dual Fuel portable generators suitable for various needs.
- Equipped with a reliable DuroMax engine designed for durability and performance.
- Features a push-button start, an easy-to-use fuel type selector, and multiple outlet options.
- Durable all-metal construction ensures long-lasting use without plastic components.
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- XP13000EH Dual Fuel generator delivers 13,000 watts of power for comprehensive home backup during outages.
- DuroMax leads the industry with a range of Dual Fuel portable generators suitable for various needs.
- Equipped with a reliable DuroMax engine designed for durability and performance.
- Features a push-button start, an easy-to-use fuel type selector, and multiple outlet options.
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#8
6% Off
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- Operates on natural gas, propane, or gasoline; includes hoses for immediate use with any fuel
- Features a reliable 420cc Champion engine with electric start, Cold Start Technology, and CO Shield for safety
- Quieter (72 dBA) and lighter than traditional generators, with an Economy Mode for fuel savings and an Intelligauge for monitoring
- Power output: 9000 starting watts and varying running watts depending on fuel type; engine oil is included
- Comes with a 3-year limited warranty and lifetime technical support
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- Operates on natural gas, propane, or gasoline; includes hoses for immediate use with any fuel
- Features a reliable 420cc Champion engine with electric start, Cold Start Technology, and CO Shield for safety
- Quieter (72 dBA) and lighter than traditional generators, with an Economy Mode for fuel savings and an Intelligauge for monitoring
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#9
9% Off
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- Portable power source ideal for outdoor activities like camping and tailgating, providing stable energy without noise disruption.
- Utilizes TruePower Technology for clean and safe power, suitable for sensitive electronics and appliances.
- Features PowerRush Advance Technology for over 50% increased starting capacity, enabling efficient operation of tools and equipment.
- Includes Economy Mode for reduced fuel use and noise, with COsense Technology for safety alerts and automatic shutdown.
- Offers LED indicators for maintenance alerts, two USB ports for charging, and parallel capability for expanded power output.
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- Portable power source ideal for outdoor activities like camping and tailgating, providing stable energy without noise disruption.
- Utilizes TruePower Technology for clean and safe power, suitable for sensitive electronics and appliances.
- Features PowerRush Advance Technology for over 50% increased starting capacity, enabling efficient operation of tools and equipment.
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#10
23% Off
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- 5000 peak watts and 3900 rated watts with less than 3% total harmonic distortion; telescoping handle; gas-powered with remote start using included key fob, electric, and recoil start
- Equipped with a 5–20R 120V duplex household outlet, RV-ready TT-30R 30 amp outlet, and two USB outlets; suitable for travel trailers or home use; capable of powering essential devices
- Digital display shows critical information including fuel level, power output, remaining run time, voltage output, and total runtime hours
- Operates quietly at as low as 52 dBA; fuel-efficient with up to 18 hours of runtime on a 3.4-gallon gas tank; features an economy mode for optimal fuel efficiency
- Factory functionally tested; may have residual oil and/or fuel odor; EPA compliant; includes a 3-year limited service warranty with nationwide customer support
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- 5000 peak watts and 3900 rated watts with less than 3% total harmonic distortion; telescoping handle; gas-powered with remote start using included key fob, electric, and recoil start
- Equipped with a 5–20R 120V duplex household outlet, RV-ready TT-30R 30 amp outlet, and two USB outlets; suitable for travel trailers or home use; capable of powering essential devices
- Digital display shows critical information including fuel level, power output, remaining run time, voltage output, and total runtime hours
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