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GENMAX · Inverter generator

GM3000iA

Gasoline inverter generator with 3,000 peak watts

2,300W running3,000W peak145cc OHVGasoline
Compare retailer offers Retail pricing varies
GENMAX GM3000iA 3000 Watt Portable Inverter Generator - CO Sensor
Official product image: GENMAX

Visual spec gallery

The deciding numbers, made scannable.

01 · Maximum output

3,000W peak

Continuous output2,300W running

Size around running load first, then confirm the peak rating covers the largest startup surge.

02 · Fuel output

Gasoline

Gasoline

2,300W run · 3,000W peak

Alternative-fuel ratings are shown only when GENMAX publishes a fuel-specific figure.

03 · Portability

See manufacturer page

Unit weight

See manufacturer page

Dimensions

Sound rating

62 dBA

04 · Controls & ownership

Starting

See manufacturer page

CO shutoff

Manufacturer-listed

Parallel

Not listed

Warranty

See manufacturer warranty

Official product gallery

Every manufacturer view in one place.

GENMAX imagery can include the enclosure, control panel, outlets, dimensions, feature callouts, and included accessories.

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Complete specifications

Manufacturer data, organized for comparison.

Power ratings, features, imagery, manuals, and seller links come from GENMAX’s current U.S. model page. A missing figure is labeled instead of estimated.

Never run a portable generator indoors. Keep it at least 20 feet from occupied buildings with exhaust directed away from doors, windows, and vents. Use a qualified electrician and approved transfer equipment for home connections.

Model overview

2,300 running watts and 3,000 peak watts for camping and tailgating. Confirm exact configuration and included accessories with the seller before purchase.

Fuel-specific output

Gasoline
2,300W running / 3,000W peak

Operation & ownership

Engine
145cc OHV
Voltage / frequency
120V / 60 Hz
Runtime
6.5 hrs at 50% load with 1
Fuel capacity
1.5 gallon fuel tank
Sound
62 dBA
Starting methods
See manufacturer page
Unit size / weight
See manufacturer page / See manufacturer page
Warranty
See manufacturer warranty

Connections

Easy To Use Control Panel: The control panel consists of CO sensor indicator light, automotive inspired digital data center display, 1x 5-20R 20A 120V, 1x L5-30R 30A 120V 1x USB-A, 1x USB-C.

Manufacturer feature details

Robust Engine: 145cc OHV high performance 4 cycle engine. Fuel-efficient, reliable, powerful providing long life and excellent heat dissipation.
High Output: 3,000 starting watts with 2,300 running watts. At only 62dB this powerful portable inverter generator is the ideal product for your tailgating and camping needs.
Low Idle With Portability: Lightweight for easy transport weighs less than 50lbs! Low idle technology gives you a run time of 6.5 hrs at 50% load with 1.5 gallon fuel tank.
Easy To Use Control Panel: The control panel consists of CO sensor indicator light, automotive inspired digital data center display, 1x 5-20R 20A 120V, 1x L5-30R 30A 120V 1x USB-A, 1x USB-C.
In Compliance With Latest Standards: In compliance with PGMA, UL2201 and CARB 2024

Current seller links

Compare offers from GENMAX-listed retailers.

These destinations are supplied on the official model page. Prices and availability can change.

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Best-fit uses

  • Camping
  • Tailgating
  • Small electronics
  • Light emergency power

Standout features

  • 2,300 running / 3,000 peak watts
  • Gasoline
  • Manual start
  • CO shutdown system

Compare it with your actual load.

Run your essentials through the calculator before choosing a generator.

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Official sources:Model pageAll GENMAX generatorsVerified September 15, 2026