The 4 generators we'd trust when the power goes outTop 4 backup generators → See the ranking

PowerSmart 4,400W Dual Fuel Inverter Review

Written from the listing's specs, not from our own use · How we rate

The PowerSmart 4,400W Dual Fuel Inverter packs an inverter engine that idles down at light load, a built-in CO sensor and up to 11 hours on a 1.6-gallon tank at 25 % load into one inverter generator. Think of it for quiet nights during a long outage: 6.8/10 on what its listing documents.

Price$389.99Price on Sep 30, 2026 · may have changed
Compare side by side ↗
Specifications
BrandPowerSmart
CategoryInverter generators
Listed fuelsgasoline
Stated runtimeUp to 11 hours at 25 % load
Fuel tank1.6 gallons
Stated noise76 dB
CO sensorStated in the listing
Engine223 cc
ASINB0FLPWKR3F

Full listing title: PowerSmart 4400-Watt Dual Fuel Portable Inverter Generator, PowerSmart Gas Powered, CO-Sensor, Lightweight & Quiet for Home Use and Emergency Backup, Camping, EPA Compliant, Black

Updated October 2026
Exact listing, ASIN B0FLPWKR3F
Rating method published

Compared with its closest rivals

Two generators close to it on our rating, each with a dated price.

Compare side by side ↗

PowerSmart 4,400W Dual Fuel Inverter

PowerSmart 4,400W Dual Fuel Inverter

6.8Good · out of 10$389.99 Price on Sep 30, 2026 · may have changed
  • Stated: Gasoline
  • Inverter generators
This product ↑
Champion 10,000W Tri Fuel Open Frame

Champion 10,000W Tri Fuel Open Frame

6.8Good · out of 10$1,370 Price on Sep 30, 2026 · may have changed
  • Stated: Gasoline, Propane, Natural gas
  • Inverter generators
See the review ↗

What it has going for it

What changes on the night the power goes out

Inverter. The engine speeds up and slows down with the load, so it is quieter and thriftier at 3 a.m. when only the fridge and a lamp are on. The clean sine wave is kinder to laptops, TVs and the furnace control board.

CO sensor. A sensor that watches the carbon monoxide around the unit, per the listing. Treat it as a backup: the generator still belongs outside, about 20 ft from doors and windows.

11 h runtime, 1.6 gal. That is at 25 % load, per the listing. Put the fridge, the furnace fan and the sump pump on it and the hours drop, so plan fuel for the overnight stretch: stabilised cans or a spare 20 lb propane tank.

Great for you if…

  • Laptops, TVs or a furnace board will be plugged in
  • Kids or pets in the house make CO safety a must
  • You want to sleep through the night without a refill

Skip it if…

  • You want propane as a backup fuel: this one runs on gasoline only
  • You never want to pull a cord: the listing names no electric start
  • You'd rather wait for buyer reviews: none are captured for this listing yet

Outlets, fuel and what's in the box

What the PowerSmart 4,400W Dual Fuel Inverter listing names:

  • Runs on gasoline
  • CO sensor
  • 1.6 gallon tank, up to 11 h at 25% load
  • 76 dB, per the listing
  • 223 cc engine

The manual has the last word on fuel, oil and the outlet ratings; read it before the first start.

PowerSmart 4,400W Dual Fuel Inverter, view 3

Price and availability

$389.99 Price on Sep 30, 2026 · may have changed

The button opens the exact listing (ASIN B0FLPWKR3F), where today's price, stock and seller apply.

PowerSmart 4,400W Dual Fuel Inverter, view 4

Our take

The verdict

The PowerSmart 4,400W Dual Fuel Inverter earns its place with an inverter engine that idles down at light load and a built-in CO sensor. No buyer reviews yet, so this PowerSmart inverter generator has to win you over on paper. The catch with the PowerSmart: gasoline only, while most picks here also burn propane. We'd pick it if laptops, TVs or a furnace board will be plugged in; otherwise, put it next to the Champion 10,000W Tri Fuel Open Frame first.

Living with it

Delivery day

Fill it with oil before the first start, then run it for a few minutes outside with a small load.

The first outage

Pull the cord, let it warm up, then add loads one at a time, the biggest motor first. Keep stabilised cans ready, never refuel it hot. The 11 hours on the listing are at a light load; plan a refill at night.

Between storms

Run it every month or so for 20 minutes. Add stabiliser or run the carburetor dry before storage. Our maintenance schedule has the full list.

Upkeep

First oil change after the break-in hours in the manual, then on schedule. Air filter and spark plug once a season, and a cover for the months it sits.

The one thing we'd check first

Before the PowerSmart 4,400W Dual Fuel Inverter goes in your cart, check the running watts: the listing we read gives no clear wattage, so ask for the running figure before you size anything against it.

Before you buy

Your load list

Write down what has to run at the same time, add the biggest motor surge (well pump, sump pump, AC), and let our sizing calculator do the sums.

How it reaches the house

Plan on heavy-duty extension cords to the appliances, or ask an electrician which inlet and switch would match its outlets. Our interlock vs transfer switch guide compares the two routes.

Where it will run

Outside only, about 20 ft from doors, windows and vents, exhaust pointing away (the CO sensor is a backup, not a permission). Pick the spot now, before the storm. Our CO safety and placement guide has the details.

Fuel and storage

Gasoline goes stale in a few months: stabiliser, a dry place for the cans, and a run every month or so keep it ready. Our fuel storage guide and maintenance schedule cover both.

How it compares

How the PowerSmart 4,400W Dual Fuel Inverter stacks up against the closest alternative, the Champion 10,000W Tri Fuel Open Frame.

CriterionPowerSmart 4,400W Dual Fuel InverterChampion 10,000W Tri Fuel Open Frame
Our rating6.8/106.8/10
FuelsGasolineGas, propane, natural gas
CO sensorStatedNot stated
StartNot statedElectric
Runtime11 h at 25 %Not stated

Both score 6.8/10. The Champion 10,000W Tri Fuel Open Frame adds natural gas as a third fuel and electric start, while the PowerSmart 4,400W Dual Fuel Inverter brings a CO sensor and a longer stated runtime (11 h).

The score in detail

How we rated it

Our score: 6.8/10

Key specifications

5 / 10

Build, warranty & certifications

5 / 10

Listing documentation

8 / 10

Fit & compatibility

5 / 10

This product has no captured buyer-review record yet, so its rating comes from the documented listing alone: four criteria scored out of 10 (key specifications; build, warranty and certifications; listing documentation; fit and compatibility), placed on a 4.5–8.5 scale. Read the full methodology.

Read the methodology →

Frequently asked questions

Is the PowerSmart 4,400W Dual Fuel Inverter any good?

We rate it 6.8/10 (good). The rating comes from its documented listing alone, as no customer-review record is captured yet.

Which fuels does the PowerSmart 4,400W Dual Fuel Inverter run on?

The listing names gasoline. Run it outdoors only, away from doors, windows and vents.

What do you get with the PowerSmart 4,400W Dual Fuel Inverter?

Its listing states clean inverter power, a built-in CO sensor and up to 11 hours on a 1.6-gallon tank at 25 % load. These are the seller's figures, not our measurements: how loud it is in your driveway and how it handles your well pump's surge can't be read from a listing.

What should I check before ordering the PowerSmart 4,400W Dual Fuel Inverter?

Your load list: write down what has to run at the same time, add the biggest motor surge (well pump, sump pump, AC), and let our sizing calculator do the sums. How it reaches the house: plan on heavy-duty extension cords to the appliances, or ask an electrician which inlet and switch would match its outlets. Our interlock vs transfer switch guide compares the two routes. Where it will run: outside only, about 20 ft from doors, windows and vents, exhaust pointing away (the CO sensor is a backup, not a permission). Pick the spot now, before the storm. Our CO safety and placement guide has the details. Fuel and storage: gasoline goes stale in a few months: stabiliser, a dry place for the cans, and a run every month or so keep it ready. Our fuel storage guide and maintenance schedule cover both.

Where can I buy the PowerSmart 4,400W Dual Fuel Inverter?

We link to the exact listing on Amazon, where today's price, stock and seller apply. It is an affiliate link, and it has no effect on the rating.

Have you used the PowerSmart 4,400W Dual Fuel Inverter yourselves?

No, we haven't used it ourselves. Everything on this page comes from its listing, read line by line and weighed with our published formula, plus our editors' read of how it compares with its rivals.