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
						
					 
			