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Generac GP2500i - Spec Breakdown

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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Price history for the Generac GP2500i
Latest updates:
  • $579.00 - June 17, 2022
  • $649.00 - June 7, 2022
  • $629.00 - April 4, 2022
Data source: farmandfleet.com
Since: April 4, 2022
  • Highest Price: $649.00 - June 7, 2022
  • Lowest Price: $579.00 - June 17, 2022

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:

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

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.

Power & Run Time

The Generac GP2500i in use

The Generac GP2500i

The Generac GP2500i houses a 98 cc OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 2200W along with a peak wattage of 2500W. In addition, the device is parallel capable (7118 parallel kit (opens in a new tab) not included) and thus, can be linked to a similar or compatible unit for added power.

This inverter generator is started via a conventional pull-start mechanism.

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

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

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 with which charging of electronics like mobile phones and tablets is made convenient 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. The featured design follows the latest trends and is ideal for easy and recreational use.

Since the GP2500i weighs only 48 lbs, it can be labeled as a portable lightweight generator. The generator can be moved with ease by only one person and so it can be enjoyed on-the-go. Its handle (molded in the case) allows you to carry it easily, further enhancing its convenience.

Features

Panel of the Generac GP2500i

The GP2500i's control panel

The device’s light indicators will display if its oil levels are insufficient, the generator is on overload and the generator is ready.

From a security point of view, the generator is equipped with an automatic low oil shut-off and an overload protection (circuit breaker), giving you a peace of mind during use.

Besides the classic documentation and an owner's manual (opens in a new tab) to get you promptly started, the Generac GP2500i also comes with some accessories: tool kit, battery charging cables, funnel and oil are included.

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 thus, may 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).

  • As its weight is 48 pounds, the Generac GP2500i falls in the expected weight range of the devices 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 Genmax GM2000i, with a dry weight of just 34.2 pounds.
  • 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. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Westinghouse WH2200iXLT, boasting with up to 13 hours.
  • Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. This inverter generator is not fuel efficient compared to devices of similar output: its estimated fuel consumption stands at 0.13 GPH at a 25% load. If you wish to acquire one of the most gasoline efficient products of this power range, the Energizer eZV2200P, with a fuel consumption of 0.08 GPH could be in your good books.

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
AVERAGE SPECS:
  • Decent weight (48 lbs)
WEAKNESSES:
  • No data center
  • No electric start
  • Relatively low run time
  • Low fuel efficiency

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%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedOil, funnel, tool kit, and battery charging cables
Warranty3 years
Other model numbers8250
UPC696471080308

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 generator sizing 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
Electric fence (25 miles)250250
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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Generac GP2500i
7.3 Total Score
1 review
Add your review
Price
8
Value
9
Quality
4
Performance
8
1 Review
  1. 3.65
    Price
    80
    Value
    90
    Quality
    40
    Performance
    80

    Drinks gas at anything past idle which is any load over 5 amps
    EXTREMELY NOISY!! Even with light load. I placed it 30 ft from my camper with the exhaust pointed away and it kept me up all night. If I could get all my money back on this, I would do it and buy a better one that wasn’t so noisy. Had one years ago that was so quiet I couldn’t hear it at all from 30 ft

    + PROS:
    • 20 amp outlet
    • Lightweight
    - CONS:
    • Drinks gas at anything past idle which is any load over 5 amps
    • EXTREMELY NOISY!! Even with light load. I placed it 30 ft from my camper with the exhaust pointed away and it kept me up all night. If I could get all my money back on this, I would do it and buy a better one that wasn't so noisy. Had one years ago that was so quiet I couldn't hear it at all from 30 ft
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