Description
Product Overview
The GENMAX GM5500i Gas Inverter Generator delivers powerful, quiet, and reliable energy wherever you need it. Producing 5,500 starting watts and 5,000 running watts, this generator is ideal for camping, tailgating, construction sites, home backup, and outdoor events.
Its compact and lightweight fully enclosed design ensures easy transport and quiet operation at just 62 dBA, making it neighbor-friendly for residential use. Equipped with a 312cc Dinking OHV 4-stroke engine and advanced inverter technology, it produces clean, stable power safe for sensitive electronics like laptops, phones, and medical devices.
Key Features
✅ Powerful Output
-
Starting Watts: 5500W
-
Running Watts: 5000W
✅ Quiet Operation
Operates at a low 62 dBA, ensuring minimal noise disruption for homes, campsites, or events.
✅ Electric & Recoil Start
Choose between push-button electric start or traditional recoil for dependable operation.
✅ Compact & Portable
Lightweight design with a built-in handle for easy transport and storage.
✅ CO Detect System
Automatically shuts off the generator if unsafe levels of carbon monoxide are detected, enhancing user safety.
✅ Low Idle Mode
Engine speed automatically adjusts based on power demand, reducing fuel consumption and noise output.
✅ LED Indicators & Data Center
Alerts for low oil, overload, and operational status, plus a digital data center showing power output, fuel level, run hours, voltage, and frequency.
✅ USB Charging Ports
Two built-in 5V USB ports for charging mobile devices and electronics directly.
✅ Clean, Stable Power
Inverter technology delivers power with <5% Total Harmonic Distortion (THD), safe for sensitive devices.
✅ Covered GFCI Outlets
Provides weather-protected, GFCI outlets for enhanced safety on jobsites or outdoors.
✅ Long Run Time
Runs up to 8.5 hours at half load or 13 hours at quarter load on its 3.5-gallon steel fuel tank.
Specifications
| Attribute |
Details |
| Brand |
GENMAX |
| Model |
GM5500i |
| Starting Watts |
5500W |
| Running Watts |
5000W |
| Engine Brand |
Dinking |
| Engine Type |
OHV 4-stroke |
| Engine Displacement |
312cc |
| Fuel Type |
Gasoline |
| Fuel Tank Capacity |
3.5 gallons (steel) |
| Fuel Gauge |
Digital |
| Run Time @ 50% Load |
8.5 hours |
| Run Time @ 25% Load |
13 hours |
| Starting System |
Electric Start / Recoil Start |
| Noise Level |
62 dBA |
| THD (Total Harmonic Distortion) |
< 5% |
| Voltage Output |
120/240V AC |
| Running Amps (120/240V) |
41.7 / 20.8 A |
| Peak Amps (120/240V) |
45.8 / 22.9 A |
| Inverter |
Yes |
| Automatic Voltage Regulation |
Inverter controlled |
| Parallel Capable |
No |
| RV Ready |
No |
| GFCI Outlets |
Yes |
| Covered Outlets |
Yes |
| AC Outlets |
- 2x Duplex 120V 20A (5-20R) GFCI
- 1x 120/240V 30A (L14-30R) |
| DC Outlets |
2x 5V USB-A ports |
| Spark Arrestor |
Yes |
| Neutral |
Bonded to frame |
| Compliance Certifications |
EPA, ANSI/PGMA G300-2018 (Not CARB Compliant) |
| Security Features |
Low oil shutdown, overload protection, CO monitoring |
| Indicators |
Low oil, overload, output ready |
| Data Center Display |
Power output, fuel level, run hours, voltage, frequency |
| Dimensions (L x W x H) |
21.1 x 18.5 x 24 in |
| Net Weight |
116.6 lbs |
Warranty
✔️ 1-Year Factory Warranty for manufacturer-backed peace of mind.
