Enjoy Enormous Whole-Home Backup Power You Can Count On With The Generac GP15500EFI Portable Generato
The Generac GP15500EFI Portable Generator delivers serious power for serious needs. Designed for homeowners, contractors, and emergency backup, this high-output portable generator produces up to 15,500 running watts and is equipped with an 816cc Electronic Fuel Injection (EFI) engine for cleaner, more efficient performance.
Whether you’re keeping your home running during an outage or powering multiple tools on the jobsite, the GP15500EFI delivers dependable, long-lasting energy you can trust.
Built for convenience and protection, this generator features TruePower™ Technology for safe use with sensitive electronics, COsense® Technology for carbon monoxide protection, and an electric start (battery included) for effortless startup every time. A large 14.2-gallon fuel tank keeps it running up to 11 hours at 50% load, and its hardened steel frame with never-flat wheels makes it durable and easy to move wherever power is needed.
When paired with a Homelink™ Manual Transfer Switch, the GP15500EFI can even power your entire home—making it a smart alternative to a standby generator at a fraction of the cost.
Generac GP15500EFI Portable Generator Features
High-Efficiency Power Delivery for All Needs
The 816cc Generac EFI engine ensures reliable power output with optimal efficiency. It runs smoothly for up to 11 hours at 50% load, saving on fuel costs while allowing prolonged operation during emergencies or demanding projects.
Protects Sensitive Electronics from Harm
TruePower™ Technology provides stable, clean power with less than 5% total harmonic distortion. This ensures safety for sensitive electronics like laptops, smartphones, and medical devices, allowing them to operate without risk of damage during use.
Stay Safe with Smart CO Monitoring
COsense® Technology continuously checks carbon monoxide levels and issues alerts if they become too high. This crucial feature can also shut down the generator when needed, protecting you and your family from potentially harmful gas exposure.
Quick and Easy Engine Starts
The electric start feature, with battery included, offers effortless start-up each time you use the generator. This user-friendly design means you spend less time struggling with pull starts and more time powering what’s essential.
Built Tough for Heavy-Duty Use
A rugged 1¼-inch steel tube cradle provides lasting durability. This sturdy construction protects the generator from wear and tear, ensuring it can withstand the demands of frequent transportation and rigorous jobsite conditions.
Reliable Mobility Anywhere You Need It
Heavy-duty, never-flat wheels make transporting the generator simple, even on rough terrain. Additionally, the integrated lifting eye offers easy handling and maneuverability, perfect for relocation around your home or at work sites.
Monitor Usage and Maintenance Effortlessly
The built-in hour meter helps track maintenance schedules, so you can keep your generator in peak condition. It simplifies oil changes and inspections based on usage, prolonging the life of your investment and ensuring dependable performance.
Generac GP15500EFI Portable Generator Warranty
Generac provides a 3-year warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
What's Included
- 1 x Generac GP15500EFI Gasoline 15500W/19300W Portable Generator
- 1 x Engine Oil
- 1 x Oil Funnel
- 1 x Handle & Wheel Kit
- 1 x Owner's Manual
Generac GP15500EFI Portable Generator Specifications
|
| Product Series |
GP15500EFI |
| Model (Configuration) |
7705-0 (EPA/49-State) |
| AC Rated Output Running Watts |
15,500 |
| AC Maximum Output Starting Watts |
19,300 |
| Rated AC Voltage |
120/240 VAC |
| Rated AC Frequency |
60 Hz |
| Rated VAC Amperage |
64.5 / 129 |
| Engine Displacement |
816cc |
| Engine Type |
OHVI |
| Engine RPM |
3600 |
| Recommended Oil |
10W-30 / SAE 30 |
| Oil Capacity (qt / L) |
2.2 qt (2.1 L) with filter2.0 qt (1.95 L) without filter |
| Lubrication Method |
Oil Pump |
| Automatic Voltage Regulation (AVR) |
Yes |
| Starting Method |
Electric |
| Low Oil Shutdown Method |
Low Pressure |
| Battery Included |
Yes |
| Battery Type |
Group U1 |
| Battery Part No. |
N/A (purchase locally) |
| Battery Dimensions |
Group U1 Standard Case Size |
| Neutral Bonded to Ground |
Yes – Bonded to Frame |
| Start Switch Type |
Off / Run / Start Switch |
| Switch Location |
On Control Panel |
| Fuel Gauge |
Yes |
| Fuel Tank Capacity (gal / L) |
14.2 gal / 54.0 L |
| Run Time at 50% Load (hrs) |
11 |
| Handle Style |
Folding, Locking |
| Wheel Type |
12″ Never-flat Wheels |
| Warranty - Residential |
3 Year Limited |
| Warranty - Commercial |
2 Year Limited |
Generac GP15500EFI Portable Generator Manual
