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Firman W01781 1700 Watt Inverter Generator

Firman W01781 1700 Watt Inverter Generator

4.5· 131 ratings

Best price now

$513.35at WalmartObserved at 11:33 AM

21% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Our take on the Firman W01781 1700 Watt Inverter Generator

The Firman W01781 is a portable inverter generator rated at 1700 running watts and 2100 starting watts, enough to run a small RV air conditioner or a fridge and a few lights. Its Whisper Series muffler and ECO idle control keep noise at 54 dB at quarter load, and the 0.9-gallon tank is rated for about 9 hours. At 45.9 lbs with a suitcase-style handle, it is one of the lighter 1700-watt inverter units. The best new price is $513.35 at Walmart as of November 5, 2026, with 6 stores listing it new.

Best forRV and van campers running small appliancesTailgating and campsite powerJobsite or backup power for lights and toolsBuyers who want a quiet, light 1700W inverter
Pros
  • Quiet for its class: 54 dB at quarter load
  • Light at 45.9 lbs with a suitcase handle
  • ECO mode and auto idle cut fuel use and noise
  • Low-oil shutdown protects the 80cc engine
  • USB, AC and DC outlets cover phones and small devices
  • Data-Minder shows hours, voltage and frequency
Cons
  • Recoil start only, no electric start
  • No fuel gauge on a 0.9-gallon tank
  • 1700 running watts will not carry a large RV air conditioner alone
  • Some owners report the runtime falls short of the 9-hour claim under load

Firman W01781 1700 Watt Inverter Generator prices at every store

  • WalmartNew

    In stock

    $513.35Observed at 11:33 AM
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  • JBTools.comNew

    In stock

    $599.99Observed at 11:33 AM
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  • Best BuyNew

    In stock

    $649.99Observed at 11:33 AM
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  • West MarineNew

    In stock

    $649.99Observed at 11:33 AM
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  • eBayNew

    In stockSold by firmanpowerequipment

    $649.99Observed at 11:33 AM
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  • Outdoor Gear EssentialsNew

    In stock

    $749.99Observed at 11:33 AM
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Also available at

  • eBayCheck price at eBay
  • WalmartCheck price at Walmart
  • AP Electric & GeneratorsCheck price at AP Electric & Generators
  • Grid GetawayCheck price at Grid Getaway
  • PartsWarehouse.comCheck price at PartsWarehouse.com
  • Project FoundryCheck price at Project Foundry
  • RV Parts CountryCheck price at RV Parts Country
  • Tweetys RV and Truck AccessoriesCheck price at Tweetys RV and Truck Accessories

Firman W01781 1700 Watt Inverter Generator price history

Lowest price we've seen: $513.35 on Nov 5 at Walmart. Tracked across 12 stores since Nov 5.

What reviewers say

  • 4.5 / 5131 ratings

Owners rate the W01781 well, mostly for its quiet running and light weight for a 1700-watt inverter. Complaints center on pull-start effort and fuel use under heavier loads.

What people mention
  • NoisePraisedOwners say it runs quietly enough for campgrounds and national park limits.
  • WeightPraisedAt about 46 lbs it is easy for one person to lift and move.
  • StartingMixedMost say it starts reliably, but some find the recoil pull stubborn when cold.
  • Fuel useCriticisedOwners report the 0.9-gallon tank drains faster than the 9-hour rating under load.
  • BuildPraisedBuyers describe it as solid and well put together for the price.

About the Firman W01781 1700 Watt Inverter Generator

Looks like a suitcase with power. The FIRMAN W01781 Inverter generator features 2100 starting watts and 1700 running watts. Our Whisper Series muffler keeps the W01781 running a quiet 54dB – well below National Park standards and is equipped with ECO mode to vary the power load needed to maximize fuel efficiency. The 0.9gal fuel tank runs for 10hrs and is California and Canada emissions certified. Our Max Pro Series 80cc engine runs cool and efficient thanks to the Phoenix Fat Head Block. At a lightweight 54lbs, travel anywhere with the W01781 and quietly enjoy nature, work, and play. Note: Everything you need is in the box including: oil, funnel, operator's manual, and spark plug wrench.

Specifications

Fuel Type
Gasoline
Fuel Capacity
0.9 gal
Fuel Gauge
No
Continuous Output
1700 W
Power Output
2100 W (starting)
Runtime
9 hrs
Voltage
120 V
Peak Output

Questions and answers

Is the Firman W01781 quiet enough for a campground?
Yes. It is rated 54 dB at quarter load, below the common 60 dB park limit, and ECO mode lowers it further at light loads.
Can it run an RV air conditioner?
Only a small one. With 1700 running watts and 2100 starting watts, it can start some 13,500 BTU units with a soft-start kit, but not larger air conditioners alongside other loads.
Does it have electric start?
No. It is recoil start only, so you pull a cord to start the 80cc engine.
How long does it run on a tank?
Firman rates it at about 9 hours on 0.9 gallons, but expect less when running a heavy load without ECO mode.
What comes in the box?
The generator, oil, a funnel, the operator's manual and a spark plug wrench.
When is it cheapest?
Inverter generators usually dip outside camping season and around fall clearance events. The best new price seen is $513.35 at Walmart as of November 5, 2026.
Where is the Firman W01781 1700 Watt Inverter Generator cheapest?
At Walmart, for $513.35, 21% under what the other stores charge, as of our latest check.
What do buyers say about the Firman W01781 1700 Watt Inverter Generator?
Rated 4.5 out of 5 from 131 ratings.
Where can I buy the Firman W01781 1700 Watt Inverter Generator?
12 stores we checked sell it, including Walmart, JBTools.com, Best Buy, West Marine, eBay.

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2100 W
Starting Method
Recoil start
Frequency
60 Hz
Protection
Automatic low oil shutdown protection
Connectivity Ports
USB, AC, DC
Number Of Outlets
3
Receptacle Type
5-20R
Low Oil Shutdown
Yes
Automatic Shut Off
Automatic low oil shutdown protection
Weight
45.9 lbs
Depth
12.1 in
Height
16.7 in
Width
20 in
Noise Level
54 dB (1/4 load)
Inverter Technology
Yes
Smart Features
3 In 1 Data-Minder Monitors Running Hours, Voltage And Frequency
Auto Idle Control
Yes