Skip to content

Generac 2500i Gasoline 2200W/2500W Portable Inverter Generator | COsenseĀ®

by Generac
|
SKU: 8251
$695.00

Found a lower price?

Send us a request and we’ll beat it today — guaranteed!

State Availability
Authorized Retailer

Authorized Retailer

Friendly Lifetime Support

Friendly Lifetime Support

Generac 2500i Inverter Generator – 2500W Of Quiet, Reliable Power Wherever You Go

Power your adventures, workdays, or emergencies with the Generac 2500i Gasoline Portable Inverter Generator, delivering 2200 running watts and 2500 starting watts of clean, stable energy. Whether you’re camping, tailgating, or backing up essential home appliances, the 2500i provides efficient, quiet, and dependable performance in a compact, easy-to-carry design.

Built with TruePowerā„¢ Technology, this inverter generator produces safe power for sensitive electronics like phones, laptops, and medical devices. Its enclosed design and fully enclosed shell minimize noise, making it ideal for quiet environments like campsites and neighborhoods. The economy mode automatically adjusts engine speed to save fuel and reduce sound output.


Generac 2500i Generator Features

Clean and Stable Power for Sensitive Electronics

The Generac Portable Inverter Generator 2500i is equipped with TruePowerā„¢ Technology, which delivers extremely clean and stable electricity. That means you can operate sensitive electronics, such as smartphones, tablets, laptops, and medical devices, without worrying about voltage fluctuations that could damage your equipment.

Quiet Operation for Neighborhood-Friendly Power

Thanks to its fully-enclosed, compact design and advanced noise reduction features, the 2500i operates at a remarkably quiet level. Perfect for outdoor gatherings, camping trips, or any setting where noise could be disruptive, it ensures you enjoy your activities without disturbing neighbors or wildlife.

COSENSEĀ® Technology for Powerful Carbon Monoxide Safety

Safety is a top priority, especially when using a generator outdoors. The Generac Portable Inverter Generator 2500i features COSENSEĀ® Technology, which actively monitors for hazardous carbon monoxide levels. If dangerous CO levels are detected, the generator automatically stops or alerts you, protecting your health and safety during use.

Easy to Use with Intuitive Controls

Starting the generator is straightforward with integrated Off/Run/Choke knobs, simplifying the startup process. LED indicators keep you informed of essential operational statuses such as low oil, overload, and readiness, ensuring you stay aware of the generator’s condition.

Fuel Efficiency and Low Noise Levels

Economy Mode automatically adjusts engine speeds to optimize fuel consumption and minimize sound emissions. This feature extends runtime and allows for quieter operation, saving you money and creating a more harmonious outdoor experience.

Portable and User-Friendly Design

Weighing just a few pounds for easy transport, the 2500i includes a built-in handle and fully-enclosed case for protection and convenience. Its covered outlets guard against environmental damage while providing all the essential connection points.

Multiple Power Outputs and Charging Options

The generator includes USB ports for charging mobile devices directly, along with standard outlets for larger appliances. Its parallel-ready feature lets you connect two GP2500i units for doubled power output, ideal for more demanding applications.

Automatic Safety Protections

Low-oil pressure shutdown automatically protects the engine from damage if oil levels are insufficient, ensuring reliability and longevity. Combined with robust case design and weather-resistant outlets, this generator is built to withstand outdoor conditions.

Generac Portable Inverter Generator 2500i Warranty

GeneracĀ provides a 3-year warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.


What's Included

  • 1 x Generac 2500i Gasoline 2200W/2500W Portable Inverter Generator
  • 1 x User Manual


Generac 2500i Generator Specifications

2500iĀ Specifications

Product Series GP2500i
Model (Configuration) 8251
AC Rated Output Running Watts 2200
AC Maximum Output Starting Watts 2500
Rated AC Voltage 120 VAC
Rated AC Frequency 60 Hz
Rated 120 VAC Amperage 18.3
Engine Displacement 98cc
Engine Type OHV
Engine RPM Variable
Recommended Oil 10W-30Ā 
Oil Capacity Qt (L) 0.36 (0.35)
Lubrication Method Splash
Choke Location On Control Panel
Fuel Shut Off On Control Panel
Starting Method Recoil Pull Start
Low Oil Shutdown Low Level
Floating Neutra Yes
Start Switch Type Off/Run/Choke Knob
Start Switch Location On Control Panel
Fuel Tank Capacity Gal (L)Ā  1.0 (3.75)
Run Time at 25% of Rated Load (Hours) 8
Run Time at 50% of Rated Load (Hours) 4.5
Weight 56.4 lbs
Dimensions Ā 21.1 x 12.2 x 18.1
Warranty- Residential 3 Year Limited
Warranty- CommercialĀ  1 Year Limited


Generac 2500iĀ Generator Manual

Generac_Portable_Inverter_Generator_2500i_Manuals