Generac Portable Generator, 8000W | Electric Start
Generac’s GP8000E offers many benefits that make this model a favorite for emergency power or recreational use. PowerRush™ Advanced Technology delivers over 30% more starting capacity* (*increase electrical current upon demand above rated output when starting electric motors), and electric start makes the GP8000E easy to use (battery included). You’ll always be prepared with the plug-in battery jack that keeps the battery charged and ready for unexpected outages. The long-lasting OHV engine and large-capacity steel fuel tank with fuel gauge provide increased durability and up to an 11-hour runtime at 50% load. Rough or rugged environments will not be an issue thanks to the covered outlets for added protection, heavy-duty wheels that will never go flat and a fold-down handle that will enable you to easily transport your generator to any location. The low-oil feature will automatically shut down the generator, preventing damage to the unit, while the hardened 1.25-in. steel-tube cradle increases strength and resilience. And with the regular maintenance alerts provided by your hour meter, you’ll never be caught off guard.
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.
Electric start model for easy operation (Battery Included)
Generac's durable 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 up to a 11 hour run-time at 50% load.
Hardened 1 ¼” Steel Tube Cradle – For added strength and durability
Hour Meter – Tracks maintenance intervals
Heavy-Duty, Never-Flat Wheels – allow for easy portability
Fold-down handle – for sturdy portability and compact storage
Covered outlets provide added protection from the environment and rugged working conditions
Plug-in battery charger jack keeps battery charged and ready to go
*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, 8000W | Electric Start
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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.