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3,800-Watt Dual-Fuel Inverter Generator

3,800-Watt Dual-Fuel Inverter Generator

Best price now

$849.00at AmazonObserved at 5:45 PM

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

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Our take on the 3,800-Watt Dual-Fuel Inverter Generator

The iQ 3800 is a dual-fuel inverter generator rated 3,800 starting watts and 3,000 running watts on gasoline, with a 3.2-gallon tank and a propane hose for a 20 lb LP tank. It runs below 60 dB, starts with a push button and auto-choke, and adds COsense carbon monoxide shutdown, an LED power display, and WiFi/Mobile Link monitoring. At 107 lb with flat-free wheels it is portable but heavy for one person to lift. The best new price is $849 at Amazon as of November 5, 2026, with 6 stores selling it new.

Best forHome backup for a fridge, lights and electronicsCamping and tailgating where quiet running mattersOwners who want propane as a backup fuelRemote monitoring from a phone
Pros
  • Dual fuel runs on gasoline or a 20 lb propane tank
  • Quiet inverter output below 60 dB, safe for sensitive electronics
  • COsense shuts the unit down when carbon monoxide builds up
  • Push-button electric start with auto-choke and included battery
  • Long run times: about 13 hours on gas and 16 hours on propane at 50% load
  • LED display shows output and fuel use; WiFi and Mobile Link add remote checks
Cons
  • 107 lb is heavy to lift into a truck bed alone
  • No fuel gauge for propane
  • Only 3,000 running watts, so a 240V well pump or central AC is out
  • 120V outlets only, no 240V receptacle

3,800-Watt Dual-Fuel Inverter Generator prices at every store

  • WalmartNew

    In stockSold by GENERAC POWER SYSTEMS

    $929.00Observed at 11:35 AM
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  • Outbound PowerNew

    In stock

    $983.65Free shippingObserved at 11:35 AM
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  • eBayNew

    In stockSold by omnihop_outdoor

    $1,029.87Free shippingObserved at 11:35 AM
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  • Georgetown Small EnginesNew

    In stock

    $1,269.00Free shippingObserved at 11:35 AM
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  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $849.00Free shippingObserved at 5:45 PM
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  • Lowe'sNew

    Availability unknown

    $849.00Free shippingObserved at 11:35 AM
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3,800-Watt Dual-Fuel Inverter Generator price history

Lowest price we've seen: $849.00 on Nov 5 at Lowe's. Tracked across 6 stores since Nov 5.

From Lowe's

  • Dual fuel: runs on gasoline or liquid propane
  • 13-hour run time on gasoline and 16-hour run time on a 20 lb LP tank at 50% load
  • Push-button electric start with auto-choke (battery included)
  • Economy Mode reduces noise and fuel consumption or maximizes power response
  • Intelligent LED display shows power output and gasoline fuel consumption
  • COsense technology protects against hazardous carbon monoxide
Guarantee
Best Price Guaranteed: Lowe's will match a lower price on an exact item; some exclusions apply.
Returns
Free returns: return in store or ship it back for free; eligibility rules apply.
Shipping
Free shipping for all members; excludes AK, HI or US territories.
In the box
4 ft LP tank connection hose, Battery

About the 3,800-Watt Dual-Fuel Inverter Generator

iQ 3800 Starting / 3000 Running Watt Gas and Propane Dual Fuel Inverter Generator

Specifications

CO Sensor
Yes (COsense® Technology)
Low Oil Shutdown
Yes
Overload Protection
Helps you to avoid overloading (via LED display)
Automatic Shut Off
STOPS (COsense® Technology)
Fuel Type
Dual Fuel, Gasoline
Fuel Capacity
3.2 gal
Fuel Gauge
Yes (for the gasoline tank), No (for propane)
Continuous Output
3000 W
Power Output
3800 W (Starting Watts)
Voltage
120-volt
Peak Output
3800 W
Starting Method
Electric Start
Efficiency
Reduces fuel consumption (when Economy Switch is ON)
Frequency
60Hz (target)
Weight
107 lb
Depth
24.6 in
Height
22.4 in
Width
20.3 in
Connectivity Ports
USB Ports
Number Of Outlets
5 (120-volt outlets)
Receptacle Type
Twist lock (120V, 30-amp)
Wireless Connectivity
WiFi, Mobile Link
Inverter Technology
Yes
Smart Features
Intelligent LED Display

Questions and answers

Is 3,000 running watts enough for a house?
It covers essentials: a fridge, lights, router, TV and a few small appliances. It will not run central AC, an electric water heater or a 240V well pump.
How long does it run on propane?
About 16 hours on a 20 lb LP tank at 50% load, versus about 13 hours on the 3.2-gallon gasoline tank. Heavier loads shorten both.
How loud is it?
Rated below 60 dB, roughly normal-conversation level. Economy Mode lowers noise further at light loads.
What comes in the box?
The generator, a 4 ft LP tank connection hose and the starter battery. You supply the propane tank and the 10W30 oil.
Can I start it from my phone?
No. Electric start is push-button on the unit. WiFi and Mobile Link are for monitoring, not remote starting.
When is it cheapest?
The best new price seen is $849 at Amazon as of November 5, 2026. Compare across the 6 stores listing it before buying.
Where is the 3,800-Watt Dual-Fuel Inverter Generator cheapest?
At Amazon, for $849.00, as of our latest check.
Where can I buy the 3,800-Watt Dual-Fuel Inverter Generator?
6 stores we checked sell it, including Amazon, Lowe's, Walmart, Outbound Power, eBay.

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Buying guides that pick the 3,800-Watt Dual-Fuel Inverter Generator

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