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Generac GP2500i Spec Review

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

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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 summary, the Generac GP2500i is a compact and lightweight portable inverter generator especially useful for:

  • Camping and tailgating hobbyists looking for a portable power source
  • DIYers who wish to improve their efficiency with tools

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's engine, 98 cc OHV 4-stroke, fueled by gasoline, can deliver 120V. It provides a running wattage of 2200W and reaches 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 simple traditional pull-start mechanism.

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

Delicate electronics can be plugged in an AC outlets safely, as the GP2500i generates a clean sine wave, reaching a <3% Total Harmonic Disruption (THD).

Outlets

The control panel includes the following 2 AC outlets:

Duplex 120V 20A (5-20R)

Additionally, it features 3 DC outlets: there's two 5V USB ports with which you may charge electronics, for example mobile phones or tablets, conveniently and a 12V 8A receptacle with which charging your batteries is made easy.

Portability

Since the Generac GP2500i is an inverter generator, its closed design (L19.7 x W11.4 x H17.9 in) has an esthetical advantage over conventional, open frame devices. The design follows the contemporary trends and is perfect for recreationally generating power.

The GP2500i is a lightweight, portable generator, as it only weighs 48 lbs. A single person should not have any problems moving it around and thus, enjoy power availability on-the-go. This convenience is further enhanced thanks to its handle (molded in the case) that allows you to carry it with ease.

Features

Panel of the Generac GP2500i

The GP2500i'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 overloaded.

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.

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: battery charging cables, funnel, tool kit and oil.

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 and therefore, can be used 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).

  • Regarding its weight, the Generac GP2500i only weighs in at 48 pounds, which means it's one of the lighter generators in the 1500-2500 rated wattage range. Regarding dry weight, one of the champions in the same power range is the Champion 200949, with a dry weight of only 38.6 lbs.
  • Regarding its autonomy, the autonomy of the GP2500i, reaching up to 8 hours at a 25% load, can be considered as low end, compared to other products of a roughly equal output. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Westinghouse WGen2000, as it provides up to 26 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. This inverter generator reaches an estimated fuel consumption of 0.13 GPH (gallon per hour) at a 25% load, making it average, for the previously mentioned 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.

Here's a list of the most popular specific comparisons:

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
Peak 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.

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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 wattage calculator.
ItemRunning WattsStarting Watts
At homeAC (10,000 BTU)15002200
Satelite receiver250250
Total1750 W2450 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Blender400850
Game console150150
Total1740 W2330 W
For workDemolition hammer12601260
Drain cleaner250250
Bug zapper8080
Total1590 W1590 W
What is the noise rating of the GP2500i?

Due to the lack of standardization in noise emission measurement, Generac does not provide their units' noise levels.

Couldn't find the right answer for you? Ask your own question.

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