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Generac GP2500i Spec Review

The Generac GP2500i (8250) is a compact and lightweight portable inverter generator with a rated wattage of 2200 W and a starting wattage of 2500 W.

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Picture 1 of the Generac GP2500i
Picture 2 of the Generac GP2500i
Picture 3 of the Generac GP2500i
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Price history for the Generac GP2500i
Latest updates:
  • $584.81 - November 23, 2020
  • $585.74 - November 21, 2020
  • $599.00 - November 10, 2020
Data source: walmart.com
Since: November 10, 2020
  • Highest Price: $599.00 - November 10, 2020
  • Lowest Price: $584.81 - November 23, 2020

Description

An affordable solution for recreational applications, the GP2500i is the perfect size for tailgating,camping and power on the go. (source: Generac (opens in a new tab))

Zoom on the Generac GP2500i

In a nutshell, the Generac GP2500i is a compact and lightweight portable inverter generator mostly geared towards:

  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go
  • Handcrafting enthusiasts who wish to work on-the-go

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Generac GP2500i in use

The Generac GP2500i

The Generac GP2500i is powered by a 98 cc OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 2200W as well as a peak wattage of 2500W. Moreover, since it is parallel capable (7118 parallel kit (opens in a new tab) not included), its power may be doubled if linked to a second compatible unit.

The inverter generator features a conventional pull-start mechanism.

Thanks to a fuel capacity of 1 gallon, the GP2500i can operate for up to 8 hours with a full tank (fuel consumption around 0.13 GPH).

Sensitive electronics can be safely plugged in the AC outlets, as the GP2500i produces a clean sine wave, with a <3% Total Harmonic Disruption (THD).

Outlets

The control panel features the upcoming 2 AC outlets:

Duplex 120V 20A (5-20R)

It also sports 3 DC outlets: there's two 5V USB ports allowing you to conveniently charge electronics such as mobile phones and tablets and a 12V 8A receptacle with which charging your batteries is made easy.

Portability

As the Generac GP2500i is an inverter generator, its encased design (L19.7 x W11.4 x H17.9 in) offers more aesthetics than a conventional, open frame product. This type of design is the most modern and convenient way to recreationally generate power.

Labeled a lightweight portable generator, the GP2500i weighs just 48 lbs. A single person should not have any problems moving it around and thus, enjoy power availability on-the-go. Further convenience is provided by its handle (molded in the case), as it allows you to carry it effortlessly.

Features

Panel of the Generac GP2500i

The GP2500i's control panel

Several light indicators serve to show you when the generator is ready, the generator is on overload and the oil level is too low.

From a security standpoint, the product offers an automatic low oil shut-off and an overload protection (circuit breaker), allowing you to use it with a peace of mind.

Along the basic documentation and an owner's manual (opens in a new tab), useful for starting the generator right away, the Generac GP2500i's package also includes these accessories: oil, tool kit, battery charging cables and funnel.

Emissions

The Generac GP2500i is EPA-approved and CARB-compliant. It can therefore be sold and purchased in all 50 states, including California.

Moreover, it features a spark arrestor, which makes it suitable for use in forested areas.

The Generac GP2500i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP2500i compare to generators of similar power (between 1500 and 2500 W).

  • As for its weight, the Generac GP2500i weighs only 48 pounds, making it one of the lighter generators in the 1500-2500 rated wattage category. If you are concerned by weight, one of the champions in the above mentioned power range is the Champion 200949, with a dry weight of just 38.6 pounds.
  • Autonomy-wise, with up to 8 hours on a full tank at a 25% load, the GP2500i is on the low end when compared to other generators of a similar power output. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Westinghouse WGen2000, reaching up to 26 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. Standing at an estimated 0.13 GPH (gallon per hour) at a 25% load, this inverter generator is somewhat average in this area compared to other devices, within the aforementioned wattage range. If fuel consumption is your top priority, we suggest to check out the Predator 2000, which has a fuel consumption of only 0.08 GPH and thus, is one of the most efficient devices in our database.

Price comparison

As you can see from this interactive chart, when compared to other 1500-2500W generators, the Generac GP2500i is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • Several accessories included
  • Parallel capable
  • Inverter
  • Lightweight (48 lbs)
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • No data center
  • No electric start
  • Relatively low run time

Do you own the Generac GP2500i and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyNo
FuelGasoline
Engine98 cc OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz, DC: 12V
Running watts2200 W
Starting watts2500 W
Running amps18.3 amps
Peaks amps20.8 amps
Run time @50% load4.5 h
Run time @25% load8 h
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets1x Duplex 120V 20A (5-20R)
DC outlets2x 5V USB port
1x 12V 8A receptacle
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tank1 gal
Fuel gaugeNo
Misc
Weight48 lbs
Approx. dimensions (L x W x H)19.7 x 11.4 x 17.9 in
Noise (lower limit)Unknown
THD< 3%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedOil, funnel, tool kit, and battery charging cables
Warranty3 years
Other model numbers8250

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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 made in the USA. However, the company provides no information about the origin of their components.

Warranty Information

The Generac GP2500i 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

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator size calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Clothes iron12701270
Cell phone charger2020
Total1482 W2482 W
For campingRadiant heater13001300
RV refrigerator180600
Slow cooker270270
Total1750 W2170 W
For workDemolition hammer12601260
Electric fence (25 miles)250250
Bug zapper8080
Total1590 W1590 W

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