Generac Portable Generator, 3600W
The 3600-watt Generac GP3600 portable generator can be used to tackle home projects, provide power for tools, or deliver essential electricity in the case of an outage. It is an especially affordable solution with premium features. These include PowerRush™ Advanced Technology — delivering over 40% more starting capacity* —an OHV engine for longer engine life and a large-capacity steel fuel tank with an incorporated fuel gauge for durability. The hardened steel tube cradle provides added strength, while the low-oil level shutdown protects your engine from damage. Heavy-duty, never-flat wheels and a foldable handle make for easy transportation of the generator. The compact size of the GP3600 ensures it will take up minimal storage space in the garage.
Featuring PowerRush™ ADVANCED TECHNOLOGY – Delivers over 40% more starting capacity allowing you to do more with less.*
Featuring COsense® Technology: STOPS. ALERTS. SAVES. Powerful protection against hazardous carbon monoxide.
Generac's OHV engine – with splash lubrication provides a long engine life
Low-Oil Pressure Shutdown – Automatically safeguards engine from damage
Large Capacity Fuel Tank – With incorporated fuel gauge provides durability and long run times
Hardened Steel Tube Cradle – For added strength and durability
Heavy-Duty, Never-Flat Wheels – allow for easy portability (Handle and Wheel Kit included)
Fold-down handle – for sturdy portability and compact storage (Handle and Wheel Kit Included)
*Increases electrical current upon demand above rated output when starting electric motors.
Pairs well with
In stock! Ships within 1-2 business days.
90-day risk-free trial
2-Year Warranty
Complimentary shipping & returns
Generac Portable Generator, 3600W
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Home Energy, Reimagined
From Standby Generators that power your home during outages, to Portable Solutions built for flexibility, to Smart Batteries like Tesla and Lion Energy, and Accessories that complete your setup — our collections bring you energy independence, reliability, and innovation.
FAQs
Please read our FAQs page to find out more.
What’s the difference between a standby generator and a portable generator?
A standby generator is permanently installed outside your home and automatically powers your entire house during an outage. Portable generators are smaller, movable, and best for running essentials or outdoor needs.
How do I choose the right generator size?
Start by calculating the wattage of the appliances you want powered. Smaller homes may need 10–14 kW, while larger homes often require 18–26 kW or higher. Portable units range from 2,500–18,000 watts.
Do generators need professional installation?
Standby generators require professional installation with a transfer switch for safety and compliance. Portable generators typically do not — they can be set up manually with extension cords or an inlet box.
What fuel options are available?
Most standby generators run on natural gas or liquid propane. Portable units are available in gasoline, dual-fuel (gas/LP), tri-fuel (gas/LP/natural gas), and diesel.
Do Generac generators come with warranties?
Yes — Generac offers a 5-year limited warranty on residential standby models, with extended options available. Portable models also include manufacturer warranties.
How do I choose the right generator size?
Start by calculating the wattage of the appliances you want powered. Smaller homes may need 10–14 kW, while larger homes often require 18–26 kW or higher. Portable units range from 2,500–18,000 watts.
What’s the benefit of a home battery system?
Home batteries store solar or grid power for backup use, reduce reliance on the grid, and can help lower energy bills by shifting usage to off-peak times.
Can Mango Power and Lion Energy batteries power my whole home?
Yes. Mango Power systems offer whole-home backup with modular expansion. Lion Energy’s batteries are stackable, making them ideal for growing energy needs.
Do batteries work without solar?
Yes. While batteries integrate perfectly with solar, they can also charge directly from the grid to provide backup during outages.
What warranties do home batteries include?
Tesla, Mango Power, and Lion Energy all offer 10-year limited warranties, ensuring long-term performance.