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Deal.ai › Firman › Portable Generators
FIRMAN
FIRMAN P03613 4550/3650W Gas Portable Generator

FIRMAN P03613 4550/3650W Gas Portable Generator

4.8(94 ratings)

Best price now

$599.00at Best BuyChecked 8 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Price facts

  • Lowest price today: $599.00 at Best Buy (checked Nov 11, 2026).
  • Checked at 2 stores.

Our take on the FIRMAN P03613 4550/3650W Gas Portable Generator

The FIRMAN P03613 is a gas-powered portable generator with 4550 starting watts and 3650 running watts. It uses a 208cc FIRMAN Max Pro Series engine with a Phoenix Fat Head Block and a 5-gallon tank that runs up to 14 hours at half load. It has a recoil start, a 4-in-1 data minder (volts, hertz, hours, low oil), and a 30A outlet for RV use. Owners praise its reliability and value, though some find it heavy and loud.

Best forRV owners needing a 30A outletHome backup during short outagesJobsite or tailgate powerBudget-conscious shoppers
Pros
  • 4550 starting watts handle well pumps and RV air conditioners
  • 5-gallon tank gives long run times
  • 4-in-1 data minder shows volts, hertz, hours, and low oil
  • Includes oil, funnel, and spark plug wrench
  • California and Canada emissions certified
Cons
  • Recoil start only, no electric start
  • Heavy and bulky to move
  • Loud at full load
  • No 240V outlet or transfer switch compatibility

FIRMAN P03613 4550/3650W Gas Portable Generator prices at every store

  • Best BuyNew

    In stock

    $599.00Free shippingChecked 8 h ago
    Visit Best Buy
  • WalmartNew

    In stockSold by SIM Supply IncReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $682.19Free shippingChecked 8 h ago
    Visit Walmart

Store links may earn us a commission. Some prices via Klarna.

FIRMAN P03613 4550/3650W Gas Portable Generator price history

Lowest price we've seen: $599.00 on Nov 11 at Best Buy. Tracked across 1 store since Nov 11.

What reviewers say

  • 4.8 / 594 ratings

Reviewers give the FIRMAN P03613 high marks for starting easily, running reliably, and offering good value. Some complain about noise and weight, but most find it a solid performer for the price.

What people mention
  • StartingPraisedOwners say it starts easily with the recoil pull, often on the first try.
  • NoiseCriticisedSome find it louder than expected, especially under load.
  • WeightCriticisedIt is heavy and bulky, making it hard to move without help.
  • Run timePraisedThe 5-gallon tank provides long run times, meeting or exceeding expectations.
  • ValuePraisedReviewers feel it offers good value for the wattage and features.

About the FIRMAN P03613 4550/3650W Gas Portable Generator

The FIRMAN P03613 is a gas-powered portable generator rated at 4550 starting watts and 3650 running watts. It uses a Max Pro Series 208cc engine with a Phoenix Fat Head Block and starts with a recoil pull cord.

It has 30A plugs and provides 120V power, and it is RV ready. A 4-in-1 data minder shows volts, hertz and hours, and includes a low oil indicator. The 5-gallon fuel tank runs for 14 hours. The generator is California and Canada emissions certified.

The box includes oil, a funnel, an operator's manual and a spark plug wrench.

Power
4550 starting watts / 3650 running watts
Fuel
Gasoline
Engine
Max Pro Series 208cc with Phoenix Fat Head Block
Starting
Recoil start
Voltage
120V
Outlets
30A plugs
Fuel tank
5 gallons, runs up to 14 hours
Data minder
4-in-1: volts, hertz, hours, low oil indicator
Emissions
California and Canada certified
In the box
Oil, funnel, operator's manual, spark plug wrench

Specifications

color
YellowSource

Questions and answers

Is this generator good for RV use?
Yes, it has a 30A outlet and is RV ready. It can run a 13,500 BTU RV air conditioner and other essentials.
How loud is it?
It is not whisper-quiet. Expect noise similar to other open-frame generators, louder under heavy load.
Does it have electric start?
No, it has a recoil pull start only. There is no battery or electric start button.
What comes in the box?
It includes the generator, engine oil, a funnel, an operator's manual, and a spark plug wrench.
Can it power a house during an outage?
It can run essentials like a fridge, lights, and a sump pump through extension cords, but it is not a whole-home standby generator.
Is it CARB compliant?
Yes, it is California and Canada emissions certified.
Where is the FIRMAN P03613 4550/3650W Gas Portable Generator cheapest?
At Best Buy, for $599.00, as of our latest check.
What do buyers say about the FIRMAN P03613 4550/3650W Gas Portable Generator?
Rated 4.8 out of 5 from 94 ratings.
Where can I buy the FIRMAN P03613 4550/3650W Gas Portable Generator?
2 stores we checked sell it, including Walmart, Best Buy.

Stores we've priced the FIRMAN P03613 4550/3650W Gas Portable Generator at

  • Best Buy deals and prices

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