Generac GP3300i - 2500/3300W Inverter Generator

The Generac GP3300i (7153) is a compact and lightweight inverter generator with a rated wattage of 2,500 W and a starting wattage of 3,300 W. (Read full specs)

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Zoom on the Generac GP3300i

In summary, the Generac GP3300i is a compact and lightweight portable inverter generator especially useful for:

• Camping and tailgating hobbyists looking for a portable power source
• Handcrafting enthusiasts who wish to work on-the-go
• Homeowners in need of an emergency backup power for their essentials
• RV travellers who wish to upgrade their experience to another level

In the forthcoming sections, you'll delve into its power characteristics, the various outlets it offers, its overall portability, and the additional features it boasts.

Power & Run Time

The Generac GP3300i

The Generac GP3300i's design includes a gasoline-fueled 149 cc Generac OHV 4-stroke engine. With a 120V output, it gives a running wattage of 2,500W and also a peak wattage of 3,300W. Furthermore, its parallel capability (parallel kit (opens in a new tab) not included) allows for doubling of power output when connected to another similar or compatible unit, ensuring expanded energy capacity and reliability for various applications.

This inverter generator utilizes a conventional pull-start mechanism for startup. It features Generac's PowerDial™, an easy-to-use dial with three operation settings.

Thanks to its 1.06 gallon fuel tank, the GP3300i can run continuously for up to 7 hours on a full tank (with an average fuel consumption of approximately 0.15 GPH).

The <3% Total Harmonic Distortion (THD) of the GP3300i ensures a clean sine wave output, providing a secure power source for your sensitive electronics through its AC outlets.

Outlets

The control panel features the following 3 AC outlets:

Duplex 120V 20A (5-20R)

120V 30A (L5-30R) receptacle

Furthermore, it has 2 DC outlets: there's two 5V USB ports (USB-A) providing convenient charging capabilities for mobile phones, tablets, and other electronic devices.

Despite not meeting the 'RV Ready' criteria, this Generac generator grants the advantage of simple RV compatibility via its L5-30R receptacle, enabling you to conveniently power your RV by using an L5-30P to TT-30R adaptor.

Portability

As an inverter generator, the Generac GP3300i showcases a closed design (L22.2 x W13.3 x H18.4 in), enhancing aesthetics and ensuring quieter operation compared to conventional, open frame models. This modern design aims to provide an ideal power solution to recreational users.

The 59.5 lbs of the GP3300i's dry weight enables you to use it anywhere you will ever need. Additionally, the strategically placed handle (molded in the case) enhances grip, making it significantly easy to move the GP3300i across any distance.

Features

The GP3300i's control panel

Some light indicators allow you to instantly see if the oil level is too low, the generator is ready and the generator is on overload.

Security-wise, this product benefits from an automatic low oil shut-off and an overload protection (circuit breaker), which gives you a complete peace of mind when using it.

The GP3300i also benefits from Generac’s COsense® carbon monoxide monitoring. This technology senses and manages CO output and shuts down the unit when necessary, to protect you from CO poisoning.

Alongside the standard documentation and an owner's manual (opens in a new tab) for quick setup, the Generac GP3300i is bundled with additional accessories: funnel, tool kit and oil.

Product Videos

The Generac GP3300i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP3300i compare to inverter generators of similar power (between 2000 and 3000 W).

• Considering its weight, the Generac GP3300i registers at a modest 59.5 pounds, placing it among the lighter inverter generators in the 2000 to 3000 rated wattage selection. if you wish to prioritize weight, the WEN 56280iX is one of the top contenders in its power category, weighing only 41.9 pounds.
• Regarding its autonomy, the autonomy of the GP3300i, reaching up to 7 hours at a 25% load, can be considered as low end, compared to other inverters of a roughly equal output. If you wish to prioritize autonomy, the Honda EU3000iS shines as one of the top contenders, offering one of the highest run times among generators with similar power output, totaling up to 20 hours.
• While the run time is an important parameter, it is dependent on the fuel tank's capacity and thus, doesn't say much on its own unless we consider fuel consumption as well. This inverter generator has an average fuel consumption among comparably powerful devices, as it reaches 0.15 GPH (gallon per hour) at a 25% load. To prioritize fuel savings, we advise considering the Westinghouse iGen2800, which stands out for its gasoline efficiency, consuming just 0.08 gallons per hour.

Price comparison

The bottom line

About Generac

Generac Power Systems is an American based generator and power equipment manufacturer, founded in 1959. As its name suggests, the main focus of Generac are power generators, and other related electric equipment, such as switches, paralleling systems and small engines. The company has several manufacturing facilities based in the US, thus, their products are engineered and built in the USA. However, their components can be a mix of domestic and foreign parts.

Warranty Information

The Generac GP3300i is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Generac generators, please consult Generac's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-888-GENERAC (888-436-3722).

Questions & Answers

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