• Generac Portable Inverter Generator 2500i
  • Generac 2500i Portable Inverter Generator powering a picnic in the outdoors
  • Generac 2500i Inverter Generator showing gas tank capacity details
  • Generac 2500i Inverter Generator with key features displayed
  • Generac 2500i Inverter Generator with dimensions shown for size reference
  • Generac 2500i Inverter Generator powering multiple home appliances
  • Back view of Generac 2500i Inverter Generator showing outlets and controls
  • Generac 2500i Inverter Generator placed on the ground outdoors
  • Close-up of Generac 2500i Inverter Generator control panel
  • Generac 2500i Inverter Generator control panel with COsense Technology
  • Generac 2500i Inverter Generator operating quietly in a neighborhood setting
  • Generac 2500i Inverter Generator displaying appliance wattage usage
1 12

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

Generac

$687.00
$687.00
In Stock — Ready to Ship
Free Shipping
Mfr. Warranty
Authorized Dealer
Easy Returns

Price Match Guarantee

Found it cheaper? Send us the link and we'll match or beat the price at any authorized retailer.

Email support@thegeneratorsdepot.com Chat Instant Live Chat
View full details

Product Details

The Generac 2500i Gasoline 2200W/2500W Portable Inverter Generator | COsense® delivers 2200W of gasoline output with COsense® carbon monoxide detection — automatically shutting down and triggering an audible alarm if dangerous CO levels are detected near the unit. This Generac-exclusive safety system provides critical protection for users operating in garages, carports, and semi-enclosed outdoor spaces.

As a true sine wave inverter generator, this unit produces clean, stable power safe for laptops, smartphones, medical devices, and modern electronics — with noise levels as low as 52 dB at 25% load, appropriate for campgrounds and residential neighborhoods.

Brand new in box

Brand new in box

3 year factory warranty

3 year factory warranty

Fast shipping (5–7 business days)

Fast shipping (5–7 business days)

Authorized Generac dealer

Authorized Generac dealer
  • 2200W rated output — powers job site tools, home essentials, and recreational equipment
  • Reliable gasoline operation with GFCI-protected outlets for outdoor use
  • COsense® CO detection: automatic shutdown and audible alarm at dangerous carbon monoxide levels
  • Electric start for fast, reliable cold-weather ignition without priming sequences
  • True sine wave output: clean power safe for sensitive electronics and medical devices
  • Low-oil shutdown: automatic engine protection prevents damage during unattended operation
  • Hour meter tracks runtime for accurate maintenance interval scheduling

General

  • Product Series: GP2500i
  • Model (Configuration): 8251
  • 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-30
  • 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): 1.0 (3.75)
  • Run Time at 25% of Rated Load (Hours): 8
  • Run Time at 50% of Rated Load (Hours): 4.5
  • Warranty- Residential: 3 Year Limited
  • Warranty- Commercial: 1 Year Limited

Output

  • AC Rated Output Running Watts: 2200
  • AC Maximum Output Starting Watts: 2500

Dimensions & Weight

  • Weight: 56.4 lbs
  • Dimensions: 21.1 x 12.2 x 18.1

This item comes with a 3-Year Factory Warranty from Generac for consumer use, covering defects in materials and workmanship from the date of original purchase. The unit must be registered and proof of purchase must be available for warranty service. All warranty repairs must be performed by an authorized Generac Service Dealer. Exclusions include normal maintenance items, damage from misuse, and non-Generac replacement parts. For warranty service, locate your nearest authorized Generac dealer at generac.com or call 1-888-436-3722.