Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Firman W01781
- Aceup Energy AI1500s
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 @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Firman W01781 | Aceup Energy AI1500s |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Not available |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 1700 W | 1200 W |
| Starting watts | Winner: Winner: 2100 W | 1500 W |
| Noise (lower limit) | Winner: Winner: 54 dB | 55 dB |
| Weight | Winner: Winner: 45.9 lbs | Not available |
| Run time @50% load | 4.25 h | Winner: Winner: 6 h |
| Run time @25% load | 9 h | Not available |
| Fuel tank | 0.9 gal | 0.6 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 20 x 12.1 x 16.7 | Not available |
| Electrical | ||
| Voltage (AC) | 120 | Not available |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | ≤ 3% % | Not available |
| Engine | ||
| Engine | 80 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve | 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 3 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 1700 W | 1200 W |
| Starting watts | 2100 W | 1500 W |
| 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 | 4.25 h | Not available |
| Run time @25% load | 9 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | Not available |
| Compliance | CARB, EPA | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 840876117811 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 1700 | 1200 |
| Starting Watts (Gasoline) | 2100 | 1500 |
| Runtime @ 50% Load (Gasoline) | 4.25 | Not available |
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) | One 120V AC outlet |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 4-stroke OHV |
| Engine Displacement | 80 | Not available |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Gasoline) | 4.25 | Not available |
| Controls & display | ||
| Display Type | Not available | Digital display |
| Safety & compliance | ||
| Low Oil Protection | Yes | No |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, and battery charging cables | Not available |
| Warranty & identification | ||
| Residential Warranty | Not available | 1 |
| Commercial Warranty | Not available | 1 |
| Part Number | Not available | AI1500s |
| Additional specs | ||
| Summary | The Firman W01781 is a 1700-watt inverter generator built for users who need portable power without sacrificing quiet operation. At 1700 running watts and 2100 peak watts, it handles small appliances, power tools, laptops, and camping equipment. The 80cc OHV 4-stroke engine with cast iron sleeve delivers clean power through inverter technology, which means sensitive electronics like phones and laptops receive stable voltage without risk of damage. Runtime stretches to 9 hours at 25% load and 4.25 hours at 50% load from a 0.9-gallon tank, so users can plan refueling around their workload. At 54 decibels, it runs quieter than most job site generators, making it suitable for campgrounds, residential areas, and events where noise matters. | The Aceup Energy AI1500s is a 1200 watt inverter generator powered by a 4-stroke OHV engine, designed for portable power needs. |
- Most PowerfulFirman W017811700W running
- QuietestFirman W0178154 dB
- Longest RuntimeAceup Energy AI1500s6h at 50% load
Where to buy
Prices can change. We update these automatically.
Firman W01781
Store links
No links yet.
Aceup Energy AI1500s
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.