Generac GP3300i Portable Inverter Generator 

Overview

The Generac GP3300i Portable Inverter Generator (model G0071533 / 7153) is a compact, gasoline-powered inverter generator designed for portable power needs such as camping, RV use, job sites, and emergency backup.

It delivers clean, stable power through inverter technology, making it safe for sensitive electronics while maintaining strong starting capacity for tools and appliances.

Key Features

• 3300 starting watts / 2500 running watts inverter generator
• COsense® carbon monoxide safety shutdown technology
• TruePower™ clean power output for sensitive electronics
• PowerRush™ technology for increased starting capacity
• Quiet inverter design for reduced noise operation
• Economy mode for improved fuel efficiency and lower sound
• USB ports for charging phones and devices
• Parallel capability (with compatible unit) for increased power output
• LED status indicators for oil, overload, and ready status
• Floating neutral design for versatile applications

What’s Included

• Generac GP3300i inverter generator unit
• Engine oil
• Funnel
• Tool kit
• Owner’s manual

Applications

Ideal for:

• Camping and outdoor recreation
• RV power support (adapters may be required)
• Tailgating and outdoor events
• Small home backup power (essential devices)
• Job sites and light construction tools
• Charging electronics during outages

Performance & Functionality

The GP3300i is built around a 149cc OHV engine paired with inverter technology to deliver stable 120V output with low harmonic distortion. This makes it suitable for laptops, phones, medical devices, and other sensitive electronics.

It supports up to 7 hours of runtime at 25% load on a 1.06-gallon fuel tank, with automatic throttle adjustment in economy mode to improve fuel efficiency and reduce noise.

Installation & Operation

• Recoil pull-start system
• Portable design with integrated handle
• No permanent installation required
• Can be used standalone or in parallel configuration
• RV connection possible with appropriate adapter (L5-30R outlet)

Specifications

• Running Watts: 2500W
• Starting Watts: 3300W
• Engine: 149cc OHV 4-stroke
• Fuel Type: Gasoline
• Tank Capacity: 1.06 gallons
• Runtime: Up to ~7 hours (25% load)
• Outlets: 120V duplex, 120V 30A twist-lock, USB ports
• Noise: Not officially standardized by manufacturer
• Weight: ~59.5 lbs
• Start Type: Recoil
• THD: <3% (clean power output)

Materials & Build Quality

• Enclosed inverter housing for noise reduction
• Lightweight portable frame with integrated handle
• Durable steel and polymer construction
• Engineered for outdoor portability and rugged use

Safety Features

• COsense® automatic carbon monoxide shutdown
• Low oil shutdown protection
• Overload protection circuit breakers
• Status indicator lights for operational awareness

Why Choose the GP3300i?

The GP3300i is designed for users who want a balance of portability, clean power, and reliability. It is not a heavy-duty whole-home generator, but it excels as a compact, efficient solution for outdoor power needs and emergency essentials.

Compared to larger generators, it prioritizes mobility, inverter-grade clean electricity, and fuel efficiency over raw output.

Warranty & Support

Backed by a 3-year limited residential warranty, with manufacturer support through Generac Power Systems.