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Firman W01785 - 1700/2100W Inverter Generator

The Firman W01785 is a quiet, compact and lightweight inverter generator with a rated wattage of 1,700 W and a starting wattage of 2,100 W.

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Description

Quiet. Portable. Easy to use. The W01785 inverter portable generator is built for fun. Safe for all sensitive electronics. Best used for camping, tailgating and recreational use power supply. (source: Firman (opens in a new tab))

Zoom on the Firman W01785

The Firman W01785 is the newer version of the W01784. It's a quiet, compact and lightweight portable inverter generator especially useful for:

  • Camping and tailgating buffs looking to enhance their experience
  • DIYers who wish to improve their efficiency with tools
  • RV travellers looking for even more independence

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The Firman W01785 houses a 80 cc OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 1,700W along with a peak wattage of 2,100W. Moreover, since it is parallel capable (parallel kit not included), its power may be doubled if linked to a second compatible unit.

The inverter generator features a conventional pull-start mechanism. It is rated for a noise of 54 dBA (just slightly more noisy than a refrigerator).

The W01785 can operate for up to 9 hours with a full tank (fuel consumption around 0.1 GPH), due to its fuel capacity of 0.9 gallon.

Sensitive electronics can be safely plugged in the AC outlets, as the W01785 produces a clean sine wave, with a <3% Total Harmonic Distortion (THD).

Outlets

The control panel includes the following 2 AC outlets:

120V 20A (5-20R) receptacle
120V 30A (L5-30R) receptacle

Additionally, it features 1 DC outlet: there's a 5V USB port (USB-A) with which charging of electronics like mobile phones and tablets is made convenient.

Even if this Firman generator isn't quite RV Ready, it still allows for an easy RV connection via an L5-30P to TT-30R adaptor (included), thanks to its L5-30R receptacle.

Portability

Thanks to its closed inverter generator design (L20 x W12.1 x H16.7 in), the Firman W01785, is more esthetical than a typical, open frame generator. The featured design follows the latest trends and is ideal for easy and recreational use.

Since the W01785 weighs only 45.9 lbs, it can be labeled as a portable lightweight generator. As it can be moved by a single person without much effort, the generator and its power can be enjoyed on-the-go. It can also be carried without effort with a featured handle (molded in the case), further improving its convenience.

Features

Panel of the Firman W01785

The W01785's control panel

When the generator is ready, the oil level is too low and the generator is overloaded, you will be informed by the featured light indicators.

Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off, which gives you a complete peace of mind when using it.

The W01785 also benefits from Firman’s CO Alert carbon monoxide shutdown, which automatically shuts down the engine when harmful levels of carbon monoxide accumulate around the generator or a CO Alert fault occurs.

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the Firman W01785 also is packed along with the following accessories: funnel, oil, tool kit and RV adapter.

Emissions

The Firman W01785 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, which makes it suitable for use in forested areas.

The Firman W01785 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman W01785 compare to inverter generators of similar power (between 1500 and 2500 W).

  • With a dry weight of 45.9 pounds, the Firman W01785 finds itself in the expected weight range for inverter generators able to produce between 1500 and 2500 rated watts. In terms of weight, one of the champions in their power range is the Genmax GM2000i, standing at just 34.2 lbs.
  • As this inverter generator can emit noise as low as 54 dBA, it finds itself in the average expected noise for this kind of power. If you are concerned with noise, check out the Honda EU2200i, which is one of the least noisy generators in its power range, with a noise rating of just 48 dBA.
  • Regarding its autonomy, the autonomy of the W01785, reaching up to 9 hours at a 25% load, can be considered as low end, compared to other inverters of a roughly equal output. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the DuroMax XP2300iH, as it provides up to 13 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider fuel consumption as well. 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 you wish to acquire one of the most gasoline efficient products of this power range, the DuroMax XP2300iH, with a fuel consumption of 0.08 GPH could be in your good books.
According to our stats, the following comparison is pretty popular: Firman W01785 vs Firman W01781.

Price comparison

As you can see from these interactive charts, when compared to other 1500-2500W inverter generators, the Firman W01785 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

STRENGTHS:
  • In the expected price range
  • CO Alert technology
  • Several accessories included
  • RV adapter included
  • Parallel capable
  • Inverter
  • Fuel efficient
AVERAGE SPECS:
  • Decent weight (45.9 lbs)
  • Acceptable noise (54 dBA)
WEAKNESSES:
  • No data center
  • Relatively low run time

Do you own the Firman W01785 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
Parallel capableYes, cable not included
RV readyNo
FuelGasoline
Engine80 cc OHV 4-stroke
Starting systemRecoil
Warranty3 years
Power
VoltageAC: 120V 60 Hz, DC: 5V
Running watts1,700 W
Starting watts2,100 W
Running amps14.2 amps
Peak amps17.5 amps
Run time @50% loadUnknown
Run time @25% load9 h
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 1x 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
DC outlets1x 5V USB port (USB-A)
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tankPlastic, 0.9 gal
Fuel gaugeNo
Misc
Weight45.9 lbs
Approx. dimensions (L x W x H)20 x 12.1 x 16.7 in
Noise (lower limit)54 dBA
THD< 3%
ComplianceCARB, EPA
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralFloating
Accessories includedOil, funnel, tool kit, and RV adapter
Country of originChina
SeriesWhisper
UPC840876117859

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.

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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 W01785 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?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator sizing calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Washing machine9001650
Total1092 W2092 W
For campingRadiant heater13001300
Set of 5 LED light bulbs5555
Total1355 W1355 W
For workDemolition hammer12601260
Bug zapper8080
Total1340 W1340 W

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Firman W01785
3.5 Total Score
1 review
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Price
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Value
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Quality
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User Reviews

  1. Avatar
    maciej malczewski April 9, 2023 at 12:32 pm
    1.75
    Price
    50
    Value
    10
    Quality
    10
    Performance
    70

    Bought my 2100i new in 2021. Used it immediately once in the garage for about 2 hrs, Could not restart it after.
    Got it serviced. It started and had it runnig for 6hrs. Could not restart it the next day. …
    Too late to get the money back. I am pissed. No idea what to do next.

    + PROS:
    • Looks good
    - CONS:
    • Does not work!
    Helpful(0) Unhelpful(0)You have already voted this

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