2025 Generac Power Systems Portable Generators GP15500EFI
- Year 2025
- Make Generac Power Systems
- Model Portable Generators
2025 Generac Power Systems Portable Generators GP15500EFI
Equipped with an 816cc engine with Electronic Fuel Injection, the GP15500EFI delivers power efficiently, providing up to 11 hours of runtime at 50% load. TruePower™ Technology safely powers sensitive electronics, appliances and tools while onboard COsense® Technology provides powerful protection against hazardous carbon monoxide. The GP15500EFI also features electric start (battery included), low-oil shutdown protection, circuit breaker protected outlets and an hour meter with maintenance resets. The included never-flat wheel kit and available lifting eye accessory make transportation easy around the home or jobsite.
Features may include:
- COsense® Technology – Stops. Alerts. Saves. Powerful protection against hazardous carbon monoxide
- Generac 816cc EFI Engine – Delivers the right amount of power to get the best performance and efficiency out of your engine
- TruePower™ Technology – With less than 5% THD, safely powers sensitive electronics and tools
- Low-Oil Pressure Shutdown – Automatically safeguards engine from damage
- Large Capacity Fuel Tank – With incorporated fuel gauge, provides durability and extended run times
- Homelink™ Manual Transfer Switch Compatible – When paired with a manual transfer switch, the GP15500EFI is powerful enough to provide whole home backup and is a great alternative to a Home Standby Generator.
- Hardened 1 ¼” Steel Tube Cradle – For added strength and durability
- Hour Meter – Tracks maintenance intervals
- Heavy-Duty, Never-Flat Wheels – For reliable portability
- Electric Start – Battery Included – Provides hassle-free start-up
Engine
Displacement
816cc
Engine Type
OHVI
Rated Engine Speed
3600 RPM
Lubrication
Oil Pump
Starter
Electric
Wheels & Tires
Wheels
12” Never-flat Wheels
Electric
Electrical
AC Rated Output Running Watts: 15500 | AC Maximum Output Starting Watts: 19300| Rated AC Voltage: 120/240 VAC | Rated AC Frequency 60 Hz | Rated VAC Amperage: 64.5 /129
Operational
Run Time Per Tankful
at 50% of Rated Load: 11 Hours
Dimensions
Length
27.2 in (692 mm) | Ext.: 45 in (1151 mm) | Carton: 28.3 (720)
Width
27 in (684 mm) | Carton: 21.7 (550)
Height
26.5 in (674mm) | Carton: 28 (710)
Capacities
Oil capacity
w/ Filter Change: 2.2 qt (2.1 L) | w/o Filter Change: 2.0 qt (1.95 L)
Fuel Capacity
14.2 qt (54.0 L)
Weights
Weight
172 lbs (78 kg)
Weight, As Shipped
190 lbs (86 kg) | with Cord: 196 lbs (89 kg)
Features
Oil Type
10W-30 / SAE30
Choke
Low Oil Shutdown Method: Low Pressure | Start Switch Type: Off/Run/Start Switch | Switch Location: On Control Panel | Fuel Gauge: Built-In Tank | Handle Style: Folding, Locking
Warranty
Warranty
Residential: 3 Year Limited | Commercial: 2 Year Limited