Generac iQ3800 Dual Fuel Portable Inverter Generator (G0089440 / 8944)

Overview

The Generac iQ3800 Dual Fuel Portable Inverter Generator is a premium portable power solution designed for home backup, RV use, camping, job sites, and outdoor recreation. Featuring dual-fuel capability, it can operate on either gasoline or propane, providing flexibility during emergencies and extended outages.

With inverter technology delivering clean power, electric start convenience, and quiet operation, the iQ3800 is ideal for powering sensitive electronics, appliances, and tools.

Key Features

• Dual-fuel operation (gasoline or liquid propane)
• 3,800 starting watts and 3,000 running watts on gasoline
• 3,400 starting watts and 2,700 running watts on propane
• Inverter technology with low THD (<3%) for sensitive electronics
• Push-button electric start with included battery
• Quiet enclosed design for reduced noise levels
• Intelligent LED display for power output and fuel monitoring
• Economy mode for improved fuel efficiency
• COsense® carbon monoxide safety shutdown technology
• Parallel-ready capability for expanded power output
• USB-A and USB-C charging ports
• Integrated wheels and handle for portability
• 4 ft propane connection hose included

What’s Included

• Generac iQ3800 Dual Fuel Generator
• Integrated battery for electric start
• 4 ft propane hose
• Wheel and handle assembly
• Owner's manual

Applications

Ideal for:

• Home emergency backup power
• RV and camper power systems
• Camping and outdoor recreation
• Tailgating events
• Mobile job sites
• Powering electronics and sensitive equipment
• Small appliance and tool operation

Performance & Functionality

The iQ3800 combines inverter technology with dual-fuel flexibility, allowing users to switch between gasoline and propane depending on availability and runtime needs. It provides clean, stable power with less than 3% total harmonic distortion, making it safe for laptops, televisions, smartphones, appliances, and other sensitive electronics.

Runtime reaches up to 13 hours on gasoline and up to 16 hours on a standard 20 lb propane tank at 50% load, making it suitable for overnight operation during outages or outdoor adventures.

Installation & Operation

• Push-button electric start
• Backup recoil start capability
• Portable freestanding design
• No permanent installation required
• Parallel capable with compatible Generac inverter generators
• Suitable for RV and recreational use

Specifications

• Starting Watts (Gasoline): 3,800W
• Running Watts (Gasoline): 3,000W
• Starting Watts (Propane): 3,400W
• Running Watts (Propane): 2,700W
• Engine: 212cc OHV
• Fuel Types: Gasoline / Liquid Propane
• Fuel Tank Capacity: 3.2 gallons
• Runtime: Up to 13 hours (gasoline), 16 hours (20 lb propane tank) at 50% load
• Start Type: Electric Start + Recoil Backup
• THD: <3%
• Weight: 107 lbs
• USB Ports: USB-A and USB-C
• Parallel Ready: Yes
• Safety System: COsense® Carbon Monoxide Protection

Materials & Build Quality

• Fully enclosed inverter housing
• Heavy-duty portable construction
• Integrated never-flat wheels
• Rugged outdoor-ready design
• Built for recreational and emergency use

Why Choose the iQ3800?

Unlike traditional portable generators, the iQ3800 offers the flexibility of dual-fuel operation combined with inverter-grade clean power. Users benefit from quieter operation, lower fuel consumption in economy mode, and safe power delivery for modern electronics.

Its combination of propane compatibility, long runtime, electric start, and low harmonic distortion makes it one of the most versatile generators in its class. Independent reviews have highlighted its quiet operation, fuel flexibility, and clean power output as key strengths.

Safety Features

• COsense® carbon monoxide shutdown system
• Overload protection
• Low oil protection
• Covered outlets for outdoor durability
• Stable inverter-generated power for sensitive electronics

Warranty & Support

Backed by Generac's residential warranty and nationwide service network for long-term support and reliability.