2026 Generac GP15500EFI

GP15500EFI Portable Generator
From emergency home backup to DIY projects to the jobsite, the Generac GP15500EFI portable generator provides high wattage, dependable portable power.  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. 

• Featuring 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