5 Best Portable Generac Generators - May 2026

BEST OF THE BEST

Generac

GP3500iO Open Frame Inverter Generator

Built to Last

While still powerful, this generator operates much quieter than other units.

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PROS

Equipped with PowerRush technology for 50% more starting capacity with 3,500 starting watts.
Well-built and durable.
Works in RVs and can run several household appliances.

CONS

After a few uses, the unit gets harder to start and intermittently shuts down during operation.

BEST BANG FOR THE BUCK

Generac

GP3600

Bargain Pick

Offers up to 3,600 watts of power and is good for long power outages at home or tailgating.

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PROS

It measures 24 by 22.5 by 21.3 inches and weighs 105 pounds, though it features wheels and a transport handle for portability.
It has an oil safeguard that stops the generator when oil is low to prevent damage to the engine.

CONS

Some found it louder than similarly sized and powered generators.

Generac

GP3300i

Portable Convenience

This generator provides up to 3,300 watts of power and is best for traveling, especially if you call an RV home.

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PROS

It uses a quiet inverter to keep noise levels low enough not to disturb nearby people.
It has a handle built into the top and 2 standard power outlets and 2 USB ports.

CONS

It has some issues powering devices at the edge of its ability.

Generac

IQ3500

Simple Yet Solid

Good power at up to 3,500 watts and is good for minor home emergencies.

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PROS

The LCD screen displays plenty of useful information, including your wattage, run time remaining, and fuel left.
It has 2 USB ports in addition to 2 standard outlets.
The crank starter is easy to use.

CONS

It has some issues running on slightly unlevel ground.

Generac

GP2500i Inverter

Smart Features

A simple inverter model with automatic adjustments for better performance.

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PROS

Starts at 2,500 watts and runs at 2,200 watts.
Weighs 48 pounds and operates quietly.
Economy mode preserves fuel.
Features a USB port and LED light alerts for low fuel level, ready status, and overload status.

CONS

May take some time to start.

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How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

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First Reviewed

September 25, 2021

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considered

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researched