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Pulsar GX400BN Dual Fuel Inverter Generator vs ERAYAK 4500PD Dual Fuel Inverter Generator

Both are recoil-start dual-fuel inverter generators in the same weight class, so the choice comes down to output and outlets. The ERAYAK 4500PD makes more power on both fuels, has a native 30A RV outlet, a parallel port and a lower claimed noise level, and owners report easy first-pull starts. The Pulsar GX400BN counters with a CO sensor, a fuel gauge, a telescoping handle and wheels, and a longer track record of owner ratings. Buy the ERAYAK for more watts and RV use; buy the Pulsar for built-in safety and easier rolling.

  • Choose the Pulsar GX400BN if you want a CO shutdown sensor, a fuel gauge and a wheeled trolley handle, and 3200 rated watts covers your loads.
  • Choose the ERAYAK 4500PD if you want more running watts, a native 30A RV outlet and parallel capability, and can live without a CO sensor.

Prices

  • Pulsar GX400BN Dual Fuel Inverter Generator: $499.00 at Walmart (checked today)
  • ERAYAK 4500PD Dual Fuel Inverter Generator: $559.00 at Amazon (checked today)
  • Difference: the Pulsar GX400BN Dual Fuel Inverter Generator is $60.00 cheaper than the ERAYAK 4500PD Dual Fuel Inverter Generator today
Pulsar Products
Pulsar Dual Fuel Inverter Generator 4000W GX400BN

Pulsar GX400BN Dual Fuel Inverter Generator

Pulsar Dual Fuel Inverter Generator 4000W GX400BN

4.2(127 ratings)
$499.00at WalmartObserved at 1:33 PM
See all prices and details
Visit Walmart
Pros
  • CO sensor shuts the unit down if carbon monoxide builds up
  • Fuel gauge and digital hour meter
  • Telescoping handle and wheels make it easy to move
  • 8-hour run time at half load
  • Owners report reliable starts and quiet running on propane
Cons
  • Lower rated output than the ERAYAK
  • No parallel port for linking a second unit
  • Owners say it is louder than the 62 dB claim
  • Recoil start only
  • Some units arrived with assembly gaps or needed valve lash adjustment
ERAYAK
ERAYAK 4500PD Dual Fuel Inverter Generator

ERAYAK 4500PD Dual Fuel Inverter Generator

$559.00at AmazonObserved at 12:48 PM
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As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • More running and peak watts on both fuels
  • Native 30A outlet plus adapter for a standard RV plug
  • Parallel-ready for doubling power with a second unit
  • Owners report easy first-pull starts and clean power for electronics
  • Lower claimed noise level
Cons
  • No CO sensor
  • No fuel gauge
  • Recoil start on the 4500PDM; electric start costs more on the PDE
  • Some quality control complaints, including conflicting oil capacity figures
  • Gas bowl drain screw is hard to reach

What separates them

Pulsar GX400BN Dual Fuel Inverter GeneratorERAYAK 4500PD Dual Fuel Inverter Generator
Running watts on gasoline3200 W rated3500 W rated
Running watts on propaneAbout 2880 W (typical 10% derate)3150 W rated
RV outletTT-30R, no adapter neededL5-30R with a TT-30R adapter included
Safety featuresCO sensor, low oil shutdown, overload protectionLow oil and overload protection only
StartingRecoil onlyRecoil on 4500PDM; electric start on 4500PDE
Parallel capabilityNot listedBuilt-in parallel interface
Noise62 dB claimed58 dBA at 23 ft claimed; 60.5 dB(A) at half load on the maker page
Portability55 lb with trolley handle and wheels54 lb, no wheels listed

Price history

$559.00$404.00
Nov 1Nov 9
  • Pulsar GX400BN Dual Fuel Inverter Generator: lowest $404.00 on Nov 1 at Walmart; $499.00 on Nov 9.
  • ERAYAK 4500PD Dual Fuel Inverter Generator: lowest $499.00 on Nov 9 at Erayak Power.

Prices at every store

Pulsar GX400BN Dual Fuel Inverter Generator

  • WalmartNew

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

    $499.00Free shippingObserved at 1:33 PM
    Visit Walmart
  • Best BuyNew

    In stock

    $499.00Free shippingObserved at 12:49 PM
    Visit Best Buy
  • Explorer BearNew

    In stock

    $499.00Free shippingObserved at 12:49 PM
    Visit Explorer Bear
  • eBayNew

    In stockSold by skytechgaming

    $499.00Free shippingObserved at 12:49 PM
    Visit eBay

Also available at

  • eBayCheck price at eBay
  • WalmartCheck price at Walmart

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All 7 stores and price history →

ERAYAK 4500PD Dual Fuel Inverter Generator

  • Erayak PowerNew

    In stock

    $499.00Free shippingObserved at 12:49 PM
    Visit Erayak Power
  • Ratchetstrap.comNew

    In stock

    $559.00+ $85.00 shippingObserved at 7:05 AM
    Visit Ratchetstrap.com
  • WalmartNew

    In stockSold by Seller

    $689.00Free shippingObserved at 7:05 AM
    Visit Walmart
  • AmazonNew

    Availability unknown

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

    $559.00Free shippingObserved at 12:48 PM
    Visit Amazon
All 5 stores and price history →

Specs compared

SpecPulsar GX400BN Dual Fuel Inverter GeneratorERAYAK 4500PD Dual Fuel Inverter Generator
capacity4000 watts2.3 gal tank
Power Output4000 W (Peak Watts)4.5 kilowatts
FrequencyFrequency60Hz
Weight55 lbs54 lb (24.5 kg)
Noise Level62 dB58 dBA measured at 7 m (23 ft)
ModelGX400BNERAYAK 4500PDM / 4500PDE
continuous_wattage4000 W—
colorGray—
size20.00" x 12.20" x 18.90"—
Inverter TechnologyYes—
CO SensorYes—
Low Oil ShutdownYes—
Show all 40 specsShow fewer specs
SpecPulsar GX400BN Dual Fuel Inverter GeneratorERAYAK 4500PD Dual Fuel Inverter Generator
Overload ProtectionYes—
Fuel TypePropane, Gasoline—
Fuel Capacity2.1 Gallons—
Fuel GaugeYes—
Continuous Output3200 W (Rated Watts)—
Runtime8 Hours (at 50% Load)—
Voltage120V—
Peak Output4000 W (Peak Watts)—
Starting MethodRecoil—
Efficiency

What reviewers say

Pulsar GX400BN Dual Fuel Inverter Generator

  • 4.2 / 5127 ratings

Rated 4.2 out of 5 from 127 ratings, buyers mostly like the dual-fuel flexibility, quiet propane running and RV outlet.

What people mention
  • NoiseMixedOwners call it quiet on propane but say it is louder than the 62 dB rating under load.
  • Dual fuelPraisedBuyers like switching between gasoline and propane, and propane runs clean and starts easily.
  • DisplayCriticisedThe display does not show watts and does not track run time accurately.
  • RV powerPraisedThe 30A outlet runs an RV air conditioner for hours.

ERAYAK 4500PD Dual Fuel Inverter Generator

Reviewers call the 4500PD powerful and good value, and several single out the dual-fuel capability and compact, well-packed build. Most say it performs as described and starts easily, often on the first pull. Complaints center on weight, missing fuel gauges and a few quality control issues.

What people mention
  • Dual fuelPraisedOwners like running on gasoline or propane, with automatic switching between the two.
  • NoisePraisedBuyers say it is quiet enough to hold a conversation nearby.
  • StartingPraisedReviewers report it starts easily, often on the first pull.
  • WeightCriticisedSome owners find it heavier than expected at 54 lb.

Questions and answers

Which one runs an RV air conditioner better?
The ERAYAK. Its 3500 running watts on gasoline and 3150 on propane leave more headroom for a 13,500 BTU RV air conditioner's startup surge. The Pulsar's 3200 rated watts can do it, but with less margin.
Is the Pulsar safer to run near a house?
It has a CO sensor that shuts the generator down when carbon monoxide builds up. The ERAYAK has no CO sensor. Neither should be run indoors or in a garage, sensor or not.
Which is quieter?
On paper the ERAYAK, at 58 dBA at 23 feet and 60.5 dB(A) at half load. The Pulsar claims 62 dB, and its owners say it runs louder than that. Both are quiet enough for a campsite at a distance.
Can I link two together for more power?
Only the ERAYAK. It has a built-in parallel interface for a second 4500W unit. The Pulsar lists no parallel port.
Which lasts longer?
Neither has a clear edge in the data. Both are air-cooled inverter units that need regular oil changes. The Pulsar has more owner ratings behind it, while the ERAYAK has scattered quality control complaints.
Is the ERAYAK worth stepping up to over the Pulsar?
Yes if you need the extra watts, a parallel port or a lower noise claim. Stay with the Pulsar if a CO sensor, a fuel gauge and wheels matter more to you.

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Reduces fuel consumption (Eco Mode)
—
ProtectionAutomatic Voltage Regulator (N/A)—
Connectivity PortsUSB-C, USB-A—
Number Of Outlets2 (5-20R)—
Receptacle TypeTT-30R, 5-20R—
Depth12.2 in—
Height18.9 in—
Width20 in—
Run time8 h—
Surge wattage4000 Watts—
Decibel rating62 dB—
Outlets3—
BrandPulsar Products—
Motor starter typePull Cord Start—
Rec. useResidential—
ManufacturerPulsar Products—
Product linePulsar—
Model NumberGX400BN—
Amperage26.6 amperes—
Best dual fuel inverter generators for home backup and camping