Description
Product Overview
The GENMAX GM5500i is a high-performance, 5500W peak (5000W running) inverter generator designed for reliable, clean, and quiet power wherever you need it. Ideal for camping, tailgating, job sites, RV use, and emergency backup power, this generator combines fuel efficiency, ultra-low noise, and advanced safety features in a compact, portable design.
With inverter technology, it delivers stable, clean power (<5% THD)—safe for sensitive electronics like smartphones, laptops, and medical devices. The electric start ensures quick ignition, while the CO Detect feature automatically shuts off the unit if unsafe carbon monoxide levels are detected.
Key Features
✅ Powerful & Efficient
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5500W (Peak) / 5000W (Running) – Handles heavy-duty tools and appliances
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Inverter Technology – Clean, stable power (<5% THD) for sensitive electronics
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312cc OHV 4-Stroke Engine – Durable and fuel-efficient
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Low Idle Mode – Adjusts engine speed to save fuel and reduce noise
✅ Quiet & Portable
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Ultra-Quiet Operation (62 dBA) – Fully enclosed design for minimal noise
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Compact & Lightweight (116.6 lbs) – Built-in handles for easy transport
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Dimensions: 21.1" L x 18.5" W x 24" H – Fits in trucks, trailers, and storage spaces
✅ Smart & Safe
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CO Detect Technology – Auto-shutoff if unsafe CO levels are detected
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LED Indicators – Alerts for low oil, overload, and power readiness
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GFCI Protected Outlets – Shock-resistant for outdoor use
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Low Oil & Overload Protection – Prevents engine damage
✅ Convenient Power Options
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2x 120V 20A GFCI Outlets (5-20R) – Standard household plugs
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1x 120/240V 30A Outlet (L14-30R) – For heavy-duty equipment or RV hookups
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2x USB Ports (5V) – Charge phones and tablets
✅ Long Runtime & Easy Monitoring
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8.5 Hours @ 50% Load (2500W) – Large 3.5-gallon steel fuel tank
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13 Hours @ 25% Load (1250W) – Fuel-efficient operation
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Digital Fuel Gauge & Data Center – Tracks power output, runtime, voltage, and frequency
Technical Specifications
| Category |
Details |
| Engine |
312cc Dinking OHV 4-Stroke |
| Starting System |
Electric Start + Recoil Backup |
| Fuel Type |
Gasoline |
| Fuel Tank Capacity |
3.5 Gallons (Steel) |
| Run Time |
8.5 hrs @ 50% load / 13 hrs @ 25% load |
| Noise Level |
62 dBA (Quiet Operation) |
| THD (Total Harmonic Distortion) |
<5% (Safe for Electronics) |
| Weight |
116.6 lbs |
| Dimensions (LxWxH) |
21.1" x 18.5" x 24" |
Power Output
Outlets & Connectivity
Safety & Compliance
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CO Detect Auto-Shutoff
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Low Oil & Overload Protection
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Spark Arrestor: Yes
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Compliance: EPA Certified, ANSI/PGMA G300-2018
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Not CARB Compliant (Not for sale in California)
Ideal Uses
✔ Home Backup Power – Keeps essentials running during outages
✔ Job Sites & Construction – Powers tools, compressors, and lighting
✔ Camping & Tailgating – Quiet, portable energy for outdoor adventures
✔ RV & Travel – 30A outlet for RV hookups (No parallel capability)
Why Choose the GENMAX GM5500i?
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Clean, Stable Power – Safe for electronics
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Super Quiet – Won’t disturb neighbors
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Electric Start – Hassle-free ignition
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Long Runtime – Fuel-efficient operation
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Smart Safety Features – CO Detect, GFCI, and overload protection
Included Accessories
