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Description
Zoom on the Firman W01781
In summary, the Firman W01781 is a quiet, compact and lightweight portable inverter generator especially useful for:
- Camping and tailgating buffs looking to enhance their experience
- Handcrafting enthusiasts who wish to work on-the-go
In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.
Power & Run Time
The Firman W01781
The Firman W01781's design includes a gasoline-fueled 80 cc Firman Max-Pro Series OHV 4-stroke engine. With a 120V output, it gives a running wattage of 1700W and also a peak wattage of 2100W. Moreover, since it is parallel capable (Firman parallel kit (opens in a new tab) not included), its power may be doubled if linked to a second compatible unit.
With a noise rating of 54 dBA (just slightly more noisy than rainfall), the inverter generator features a simple traditional pull-start mechanism.
Thanks to a fuel capacity of 0.9 gallon, the W01781 can operate for up to 9 hours with a full tank (fuel consumption around 0.1 GPH).
Delicate electronics can be plugged in an AC outlets safely, as the W01781 generates a clean sine wave, reaching a <3% Total Harmonic Disruption (THD).
Outlets
The control panel provides the upcoming 2 AC outlets:
It also sports 2 DC outlets: there's a 5V USB port allowing you to conveniently charge electronics such as mobile phones and tablets and a 12V 5A (cigarette lighter style) receptacle with which you may charge your batteries with ease.
Portability
Thanks to its closed inverter generator design (L20 x W12.1 x H16.7 in), the Firman W01781, is more esthetical than a typical, open frame generator. This type of design is the most modern and convenient way to recreationally generate power.
Since the W01781 weighs only 45.9 lbs, it can be labeled as a portable lightweight generator. A single person should not have any problems moving it around and thus, enjoy power availability on-the-go. In addition, a handle (molded in the case) lets you carry it easily and further increases its convenience.
Features
The W01781's control panel
When the generator is on overload, its oil levels are insufficient and the generator is ready, you will be informed by the featured light indicators.
Security-wise, this product benefits from an automatic low oil shut-off, which gives you a complete peace of mind when using it.
Besides the classic documentation and an owner's manual (opens in a new tab) to get you promptly started, the Firman W01781 also comes with some accessories: battery charging cables, funnel, oil and tool kit are included.
Emissions
The Firman W01781 is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.
Moreover, it features a spark arrestor and therefore, can be used in forested areas.
Product Video
The Firman W01781 versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Firman W01781 compare to generators of similar power (between 1500 and 2500 W).
- Regarding its weight, the Firman W01781 only weighs in at 45.9 pounds, which means it's one of the lighter generators in the 1500-2500 rated wattage range. If weight matters to you, one of the champions in this power range is the Champion 200949 with only 38.6 pounds.
- This inverter generator has a somewhat average expected noise for its power range, rated at 54 dBA. If noise emissions are one of your priorities, you may be interested in the Honda EU2200i, one of the least noisy generators similarly powerful as this one, rated for 48 dBA.
- As for its autonomy, the W01781, with an autonomy of up to 9 hours at a 25% load, is placed on the low end among the generators of its kind. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Westinghouse WGen2000, with up to 26 hours.
- Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. At an estimated fuel consumption of 0.1 GPH (gallon per hour) at 25% load, this inverter generator is a rather fuel efficient one within its wattage category. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Predator 2000. With a fuel consumption of as little as 0.08 GPH, it is one of the most efficient generators currently on the market.
Here's a list of the most popular specific comparisons:
Price comparison
As you can see from this interactive chart, when compared to other 1500-2500W generators, the Firman W01781 is on the average side of the price range.
Therefore, this generator nicely fits in the expected budget for this kind of product.
The bottom line
- In the expected price range
- Several accessories included
- Parallel capable
- Inverter
- Lightweight (45.9 lbs)
- Fuel efficient
- Acceptable noise (54 dBA)
- No data center
- No electric start
- Relatively low run time
Features and Specifications
| Inverter | Yes |
|---|---|
| Portable | Yes |
| Parallel capable | Yes, cable not included |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 80 cc Firman Max-Pro Series OHV 4-stroke |
| Starting system | Recoil |
| Voltage | AC: 120V 60 Hz, DC: 12V |
|---|---|
| Running watts | 1700 W |
| Starting watts | 2100 W |
| Running amps | 14.2 amps |
| Peak amps | 17.5 amps |
| Run time @50% load | 4.25 h |
| Run time @25% load | 9 h |
| GFCI outlets | No |
|---|---|
| Covered outlets | Yes |
| Automatic Voltage Regulation | Inverter |
| AC outlets | 1x Duplex 120V 20A (5-20R) |
| DC outlets | 1x 5V USB port 1x 12V 5A (cigarette lighter style) |
| Data center | No |
| Indicators | Low oil, overload and output ready |
| Fuel tank | Plastic, 0.9 gal |
| Fuel gauge | No |
| Weight | 45.9 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 20 x 12.1 x 16.7 in |
| Noise (lower limit) | 54 dBA |
| THD | < 3% |
| Emissions | CARB, EPA |
| Security | Low oil protection |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | Oil, funnel, tool kit, and battery charging cables |
| Warranty | 3 years |
| Series | Whisper |
| Other model numbers | W2100i |
Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.
About FIRMAN Power Equipment
Founded in 1999, Firman Power Equipment is a company with a short, but established history in the power equipment industry. Based in Arizona, the company offers an immense range of products, including power tools, automotive equipment, storage utilities, work wear, but most importantly, a wide selection of generators of all sizes, designs and outputs. Interestingly, Firman is a wholly owned subsidiary of the China National Machinery Industry Corporation - a somewhat well renowned company in China and acts as a de facto distributor of their products in the US.
Warranty Information
The Firman W01781 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Firman generators, please consult Firman's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-844-FIRMAN1 (844-347-6261).
Questions & Answers
What can it power?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Refrigerator (energy star) | 192 | 1192 |
| Washing machine | 900 | 1650 | |
| Total | 1092 W | 2092 W | |
| For camping | Radiant heater | 1300 | 1300 |
| Set of 5 LED light bulbs | 55 | 55 | |
| Total | 1355 W | 1355 W | |
| For work | Demolition hammer | 1260 | 1260 |
| Bug zapper | 80 | 80 | |
| Total | 1340 W | 1340 W |
Couldn't find the right answer for you? Ask your own question.
not too heavy at approx 48 lb.
quiet – sitting just outside the mobile home and we can’t hear it inside.
ran all night on a tank of fuel which is .9 gal.
In order to check the oil; the front panel must be removed. There are several tiny screws to undo and possibly in the dark. Very terrible design feature. Other than that I would recommend this generator. (I’m going to cut an access hole!)