GENMAX · Inverter generator

GM4800iAEFI

Gasoline inverter generator with 4,800 peak watts

3,800W running4,800W peak160cc OHVGasoline

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GENMAX GM4800iAEFI 4800 Watt Portable Inverter Generator - Remote Start CO Sensor — Official product image: GENMAX

Visual spec gallery

The deciding numbers, made scannable.

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01 · Maximum output

4,800W peak

Continuous output3,800W running

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

02 · Fuel output

Gasoline

3,800W run · 4,800W 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

60 dBA

04 · Controls & ownership

Starting

Remote

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

3,800 running watts and 4,800 peak watts for rv power and home essentials. Confirm exact configuration and included accessories with the seller before purchase.

Fuel-specific output

Gasoline: 3,800W running / 4,800W peak

Operation & ownership

Engine: 160cc OHV
Voltage / frequency: 120V / 60 Hz
Runtime: 6.0 hrs at 50% load with 1
Fuel capacity: 1.5 gallon fuel tank
Sound: 60 dBA
Starting methods: Remote
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, LED light, battery charging port, automotive inspired digital data center display, 1x Duplex 5-20R 20A 120V, 1x TT-30R 30A 120V, 1x 12V DC 8.3A

Manufacturer feature details

Robust Engine: 160cc OHV high performance 4 cycle engine. Fuel-efficient, reliable, powerful providing long life and excellent heat dissipation.

High Output: 4,800 starting watts with 3,800 running watts. At only 60dB 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 60lbs! Low idle technology gives you a run time of 6.0 hrs at 50% load with 1.5 gallon fuel tank. "

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

RV power
Home essentials
Tailgating
Jobsite tools

Standout features

3,800 running / 4,800 peak watts
Gasoline
Remote start
CO shutdown system

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Official sources:Model page All GENMAX generatorsVerified September 15, 2026