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- Firman WT05571
- Aceup Energy AI2300
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Firman WT05571 | Aceup Energy AI2300 |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Tri-Fuel | Not available |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 5500 W | 1800 W |
| Starting watts | Winner: Winner: 6850 W | 2300 W |
| Noise (lower limit) | 67 dB | Winner: Winner: 53 dB |
| Weight | 131.4 lbs | Winner: Winner: 44 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Winner: Winner: 14.5 h | 10 h |
| Fuel tank | 5.3 gal | 1.1 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 27.6 x 21.3 x 22.6 | Not available |
| Electrical | ||
| Voltage (AC) | 120/240 | Not available |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 322 cc OHV 4-stroke, cast iron sleeve. | 4-stroke OHV |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 5500 W | Not available |
| Starting watts | 6850 W | Not available |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 14.5 h | 10 h |
| Natural gas | Not available | Not available |
| Running watts | 4500 W | Not available |
| Starting watts | 5500 W | Not available |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 5000 W | Not available |
| Starting watts | 6250 W | Not available |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 9.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | Not available | Not available |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Bonded to frame | Not available |
| UPC | 840876155714 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5500 | Not available |
| Running Watts (Propane) | 5000 | Not available |
| Running Watts (Natural Gas) | 4500 | Not available |
| Starting Watts (Gasoline) | 6850 | Not available |
| Starting Watts (Propane) | 6250 | Not available |
| Starting Watts (Natural Gas) | 5500 | Not available |
| Runtime @ 25% Load (Gasoline) | 14.5 | 10 |
| Runtime @ 25% Load (Propane) | 9.5 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | Two 3-prong 120V outlets |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | Not available |
| Engine Displacement | 322 | 79.8 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 14.5 | 10 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Oil, funnel, tool kit, propane hose, and battery | Not available |
| Included Accessories | Oil, funnel, tool kit, propane hose, and battery | Not available |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | SKU AI2300 |
| Additional specs | ||
| Summary | The Firman WT05571 is a 5,500-watt tri-fuel generator that runs on gasoline, propane, or natural gas. On gasoline, it delivers 6,850 starting watts and 5,500 running watts, enough to power a full home electrical panel during an outage or run multiple job site tools simultaneously. On propane, output drops to 6,250 starting and 5,000 running watts. On natural gas, it falls to 5,500 starting and 4,500 running watts. This fuel flexibility means users can switch between sources based on availability, cost, or storage preference without buying multiple generators.
The tri-fuel capability makes this unit valuable for homeowners in regions with natural gas infrastructure, RV owners who can refill propane at any campground, and contractors who need to adapt to job site fuel availability. The 3 percent THD rating protects laptops, televisions, and other sensitive electronics from voltage spikes that damage circuits. At 67 decibels, the noise level sits between a typical conversation and heavy traffic, making it suitable for residential neighborhoods but audible enough that neighbors will know it is running. | The Aceup Energy AI2300 is a 1800-watt inverter generator with a peak output of 2300 watts, powered by a 4-stroke OHV engine. |
- Most PowerfulFirman WT055715500W running
- QuietestAceup Energy AI230053 dB
- Longest Runtimeh at 50% load
Where to buy
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Firman WT05571
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Aceup Energy AI2300
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