Generac GP2500i

Generac GP2500i

The Generac GP2500i inverter generator is one of many affordable power solution products you will find from Generac. So what makes the GP2500i stand out among other options or its competitors? 

We break down its quality features and benefits and see what other current users say about this portable power source. This way, you can make an informed decision if the Generac GP2500i unit is the right choice for you. 

Features and Benefits

Before deciding on a generator, consumers should explore its features and benefits to determine if it will suit their needs. The Generac GP2500i is an exceptional unit for many individuals who require a high-quality power source. 

Product Highlight

Generac GP2500I

Gas Powered Inverter Generator

  • Starting – 2,500 W, Running – 2,200 W.
  • Dry Weight – 48 Pounds.
  • Tank Volume – 1 Gallon.
  • Runtime – 4.5 hrs at 50% load

Power Output, Run Time

For a reliable power source, the GP2500i has a maximum starting power output of 2,500 watts and continues to provide 2,200 watts of power for your items. In addition, its AC-rated voltage is 120 volts, making it versatile for numerous uses. 

The Generac GP2500i may fit the bill if you need a long-lasting generator. With its 1-gallon fuel tank, this portable unit can run up to eight total hours on a 25% load. If you have multiple devices that require power, you can expect four and a half hours of runtime with a 50% load capacity. 

Outlets, Hook Up Provisions, and Possibilities 

This GP2500i model offers several covered outlets to suit your needs of hooking to your house even while using it out in the elements. You will find: 

  • 12-volt DC outlet
  • 2.1A, 5-volt DC USB outlet
  • Parallel outlets 
  • 120-volt, 20A 5-20R Duplex outlet 

Using TruePower Technology, Generac ensures this product provides clean, stable energy safe for your sensitive electronics while still powerful enough for tools and appliances. This model is ideal for many different recreational uses and can charge and run several electronic devices at once. 

Starting, Remote Start 

The Generac GP2500i inverter generator is easy to use with its onboard integrated Off/Run/Choke knob on the control panel. This switch makes the startup process easier than ever, compared to other competitor models. 

It controls the ON/OFF functions, and the CHOKE position turns on the fuel valve to start the engine. The RUN position continually maintains regular operation and slowly decreases the use of the CHOKE function. 

However, the GP2500i model does not include a remote start. If you require a Generac inverter generator with remote starting capabilities, other units may suit your needs better. 

Portability, Dimensions, Weight 

This Generac inverter generator is the ideal portable power unit for many occasions. The GP2500i model measures 19.7 inches long by 11.4 inches wide, and 17.9 inches tall. This compact size makes it easy to store in your camper or vehicle or take along wherever you need it. 

Since this model is only 48 pounds of dry weight, the Generac GP2500i unit is light enough to transport to any tailgate party or use at your campsite. 

Other Features

Naturally, any product review is not complete without exploring additional features that may set an item apart from the competition. The Generac GP2500i inverter generator is no exception. Here, you can see the other elements that make this model a terrific choice for many situations. 

Paralleling with Other Generators 

Generac offers exceptional parallel capabilities to double your power by connecting two GP2500i units. All you need is to use a GP2500 Parallel Kit, and you will have enough energy to safely run an air conditioner in your RV, small appliances, and sensitive electronic devices.  

Control Panel Features 

The easy-to-use control panel on the GP2500i model provides a simple way for users to start the unit and connect various electrical devices with covered outlets. In addition, it offers LED lights to monitor the operation status and provides an Economy Mode for better fuel efficiency and minimal noise output. 

Security, Alarms, and Accessories 

The Generac GP2500i inverter generator comes equipped with various LED indicator lights to alert users of different situations, including low oil, an overloaded status, or being ready for use. 

The GP2500i will also shut down automatically when running low on oil to prevent engine damage. 


The Generac GP2500i follows the guidelines of the United States Environmental Protection Agency (US EPA) and the California Air Resources Board (CARB) for a safe product with proper emissions control. 

This completely encased model helps minimize noise and emissions, and it uses an Economy Mode to reduce fuel consumption. 


Generac 2500i inverter generators come with a standard 3-year limited warranty with purchase. This service includes 1-year coverage for limited parts and labor, with a 2- to 3-year coverage on parts only. 

About the Manufacturer 

Generac began in 1959 by providing affordable and reliable power solutions to customers for personal, commercial, and industrial use. 

They are a leader in quality power products and provide a wide range of units to suit various needs, including portable and emergency options. 

FAQ About the Generac GP2500i 

If you have any other questions about the Generac GP2500i inverter generator, look at these common frequently asked questions. 

How Far Away Should this Generator be from a Structure? 

When using the Generac GP2500i generator, ensure it is five feet away from doors, windows, and any fresh air intake valves to minimize the chances of carbon dioxide emissions indoors. 

Are Generac Engines Made in China? 

No, Generac produces all their engines and products within the United States. 

How Long Can You Continuously Run the Generac GP2500i Inverter Generator? 

Typically, users can operate the GP2500i unit for up to about 3,000 hours of use. For example, running this unit 24-hours a day, seven days a week, you will find it lasting a full 125 days. Alternatively, Generac estimates that an average of 3,000 hours of use should last the typical user between 25 to 30 years.

Things to Consider Before Buying a Generac GP2500i 

To narrow down the Generac choices, follow this helpful guide. 

Best Suited for 

The Generac GP2500i generator is the ideal portable inverter unit for anyone who requires a power source to charge and run electrical devices for up to eight hours at a time.  

Reasons to Buy 

The GP2500i model is an affordable yet powerful generator option that is lightweight and compact to take with you when you need it. 

Strengths, Average Specs, and Weaknesses

Generac is a top-rated company for providing exceptional power products for consumers. They continue to offer reliable generators with affordable choices and can handle many circumstances where you may need emergency power. 


  • Fuel-Efficient
  • Quiet Operation 
  • Easy to Use


  • Fuel can leak from drain hoses if the carburetor drain is not closed 
  • Not for use indoors 
  • Not for use with ethanol fuel 

Standard Features 

  • Simple starting operation 
  • It comes with a carrying handle for easy transportation 
  • Includes storage space for electrical cords

What Current Users Say

After scouring the internet for consumer reviews and ratings, the Generac GP2500i is a favorable generator and is a common item for many outdoor enthusiasts. 

  • One Amazon user, Jay Man, claimed that by purchasing two GP2500i units, he spent less than buying a 4,000-watt model to get the same power output. The parallel capabilities make it easy for users to upgrade and build onto their current model later. 
  • Amazon customer Jason Osmond ran his GP2500i model during a power outage found with careful usage, he got between nine and ten hours of runtime for his various needs, with outstanding fuel efficiency. 
  • Chef Daryl, another Amazon user, was extremely impressed with his Generac unit, which puts out less noise than other competitor models. Easy starting is just another excellent review of this model. 

Of course, there will be positive and negative reviews of any product. But, for the most part, the Generac GP2500i inverter generator is a favored product among consumers. 

Related Products

To compare against another competitor, we chose a similar product that can provide approximately the same capabilities and features that the Generac GP2500i can. 

Westinghouse WH2200iXLT Super Quiet Portable Inverter Generator

The Westinghouse WH2200iXLT model weighs 43 pounds, slightly lighter than the Generac GP2500i model. However, it measures only marginally bigger by an inch or so from its overall dimensions, making it a terrific compact model to take along as a portable unit. 

This unit can last up to 13 hours of use when using Economy Mode, which lasts slightly longer than the Generac model. In addition, it has similar parallel capabilities to other Westinghouse models to increase your power capacity. 

The noise level on the WH2200iXLT is extremely quiet and falls to only 52 dB. Consequently, the price point of the Westinghouse inverter generator is a bit higher in cost than the GP2500i choice. 

In Conclusion

If you are in the market for a stable, reliable inverter generator that is adaptable and safe for your various electrical devices, the Generac GP2500i is a terrific solution. 

The GP2500i is lightweight, compact, and portable enough to take on the road for a weekend away camping, to your next tailgate party, or to provide emergency power during a storm. Be sure to click here to purchase your Generac GP2500i inverter generator unit today. 

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