best 4500-watt inverter generator


As an avid camper and outdoor enthusiast, I know the importance of having a reliable source of power while off the grid. That’s why I’ve decided to review the best 4500-watt inverter generators currently available in the market. A good inverter generator is essential for camping, tailgating, and emergency situations, providing a steady source of clean energy to power essential appliances and devices. A 4500-watt capacity is the sweet spot, offering sufficient power for most needs without being too bulky or loud.


After extensive research and hands-on testing, I’ve identified the key features of the top 4500-watt inverter generators available in the market.

Noise Level

One of the most important features to consider is noise level, especially if you plan to use your generator in residential areas or campgrounds. Some of the quietest models produce only 48-50 decibels of noise, which is comparable to a conversation in a library.

Fuel Efficiency

Fuel efficiency is also a critical consideration for many buyers, as it can impact how long you can run your generator before refueling. The best models can run for up to 18 hours on a single tank of gas, while consuming minimal amounts of fuel.

Run Time

Run time is another important factor to consider when selecting an inverter generator. A longer run time ensures that your generator can power all your essential devices without shutting down due to lack of fuel or overheating. Look for models that provide at least eight hours of run time on a full tank of gas.


Inverter generators are available in a wide range of sizes and weights, so portability is a significant consideration. Smaller models are often easier to carry, but they may not provide the same level of power as larger models. Look for models that are compact, lightweight, and easy to transport.

Ease of Use

Lastly, user-friendliness is also a key feature to consider. Inverter generators should be easy to start, operate, and maintain. Some models come with a range of additional features, such as electronic displays, USB charging ports, or remote control start-up, that can make your life easier.


After testing multiple models, I’ve narrowed down the list to the top three 4500-watt inverter generators based on their performance, reliability, and versatility.

Yamaha EF4500iSE

The Yamaha EF4500iSE is an excellent choice for campers or RVers who need ample power without sacrificing portability or quietness. It’s a quiet, fuel-efficient generator that can run for up to 18 hours at quarter load. Additionally, it has an electric start, a low oil warning system, and a wrap-around aluminum frame for added durability.

Honda EU4500iS

The Honda EU4500iS is a powerful and reliable inverter generator with an impressive 50 decibels of noise output. It has a long run time of up to 16 hours backed by a 3-year warranty. Additionally, it comes with a range of safety features, such as automatic shut-off, to protect it from damage.

Westinghouse iPro4500

The Westinghouse iPro4500 is a lightweight and compact inverter generator that offers 4500 starting watts and 3700 rated watts. It’s super quiet, making it ideal for use in residential areas, and has a run time of up to 18 hours. It comes with a range of user-friendly features, including a digital display, remote start, and safety shut-off, all backed by a 3-year warranty.


When it comes to price, the Yamaha EF4500iSE and Honda EU4500iS are high-end options, costing over $3000. However, the Westinghouse iPro4500 is a mid-range option, priced around $1200.


After reviewing these top models, the Yamaha EF4500iSE is the best overall 4500-watt inverter generator, offering the perfect combination of performance, features, and price. It’s a reliable, fuel-efficient, and portable generator that can provide up to 18 hours of run time, while producing minimal noise. But whatever your choice may be, owning a 4500-watt inverter generator provides the convenience and peace of mind that no other power source can offer. Don’t hesitate to leave your feedback and share your experiences with these amazing invertor generators!

List of 10 best 4500-watt inverter generator

SaleBestseller No. 1
Jackery Portable Power Station Explorer 300, 293Wh Backup Lithium Battery, 110V/300W Pure Sine Wave AC Outlet, Solar Generator (Solar Panel Not Included) for Outdoors Camping Travel Hunting Blackout
  • SPEED UP YOUR RECHARGEABILITY: It takes only 2 hours to recharge 80% battery of the power station through the wall outlet and 60W PD USB-C port simultaneously. You can also recharge your power station with an AC adapator when at home, through the car outlet during a road trip or simply use a Jackery SolarSaga 100.
  • SAFE & STEADY POWER SUPPLY: Armed with a 293Wh lithium-ion battery pack, the Explorer 300 features 2 Pure Sine Wave AC outlets that deliver stable and safe 300W power. The portable power station weighs only 7.1 pounds. You can simply rest assured in outdoor off-grid activities.
  • POWER YOUR EXPECTATIONS: Featuring 2* AC outlet, 1* PD 60W USB-C port (input/output supported) , 1* fast charge 3.0 port, 1*USB-A port and 1* DC car port, the power station can recharge itself and charge (up to) 6 devices (e.g.Drones, Macbook, Cameras, etc.) at the same time to satisfy your outdoor needs.
  • GREEN POWER SUPPLY: The power station is compatible with the Jackery SolarSaga 100 solar panel. The integrated MPPT controller enables the solar generator set to operate at its max power point, so that it speeds up the battery recharge, making them ideal portable power kits for tent camping, overland journey and etc.
  • WHAT YOU GET: 1* Jackery Explorer 300 Portable Power Station , 1*AC adapter, 1* car charger cable, 1* user guide
SaleBestseller No. 2
Champion Power Equipment 200961 2500-Watt Dual Fuel Portable Inverter Generator, Ultralight
  • DUAL FUEL: Operate your 2500-watt portable generator right out of the box on either gasoline or propane, plus at only 39 pounds, this inverter is one of the lightest 2500-watt inverters in the industry
  • QUIET OPERATION: With an ultra-quiet 53 dBA from 23 feet, enjoy 2500 starting watts, 1850 running watts and up to 11.5 hours run time on gasoline, and 1665 running watts and up to 34 hours on propane
  • PARALLEL READY: The optional, sold-separately clip-on parallel kit enables this inverter to connect with another 2500-watt Champion inverter to double your output power. GFCI Outlets : No
  • CLEAN POWER: Includes two covered 120V 20A household outlets with clean electricity (less than 3% THD), a 12V automotive-style outlet, plus a handy dual port USB adapter
  • CHAMPION SUPPORT: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts
Bestseller No. 3
WEN 55201 Magnetic Oil Dipstick for Inverter Generators (compatible with WEN, Yamaha, Predator)
  • Preserve your inverter generator by keeping metal out of the engine
  • Industrial-strength magnetic tip collects metal shavings floating in your generator’s oil tank
  • Machined to fit the WEN Inverter Generators between 1000 and 4000 watts (check model number compatibility below)
  • Universal design measures in at M18 x 2.5, making it compatible with the majority of inverter generators on the market
  • Fits the WEN 56125i, WEN 56200i, WEN 56202i, WEN 56203i, WEN 56225i, WEN 56235i, WEN 56310i, WEN 56310i-RV, WEN 56380i, WEN GN400i, WEN DF400i, Yamaha EF2000iS, Yamaha EF1000iS, Generac IQ2000, Powerhorse 42411 and the Predator 2000
SaleBestseller No. 4
EF ECOFLOW Portable Power Station RIVER 2, 256Wh LiFePO4 Battery/ 1 Hour Fast Charging, 2 Up to 600W AC Outlets, Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use
  • [1 Hour AC Recharge] - Fully recharge the electric generator using an AC outlet in only 1 hour with EcoFlow's X-Stream fast charging technology.
  • [Power All Your Essentials] - With an output of up to 600W, run 6 essential appliances simultaneously without worrying about overloading. With a whole host of ports, from 300W AC outlets to USB-C, we've got all your device's plugs covered.
  • [LFP Long-Life Battery] - Using LFP battery cells, use and recharge RIVER 2 more than 3000 times before hitting 80%. That's almost 10 years of regular use. RIVER 2 includes advanced BMS protection, monitoring voltage, current, and temperature to keep your LFP battery running for years.
  • [Fast Solar Charging] - Use clean, green renewable energy to recharge RIVER 2 power generator in as fast as 3 hours with 110W solar input.
  • [Light & Portable] - With a lightweight of only 7.7 lbs, RIVER 2 is the ideal outdoor generator for all your off-grid adventures. With a built-in handle, this portable battery is easy and convenient to take anywhere you need power.
SaleBestseller No. 5
Jackery Portable Power Station Explorer 240, 240Wh Backup Lithium Battery, 110V/200W Pure Sine Wave AC Outlet, Solar Generator (Solar Panel Not Included) for Outdoors Camping Travel Hunting Emergency
  • BUY WITH CONFIDENCE: The Jackery Explorer 240 portable power station has been featured as the "Best Portable Power Station for use in the outdoors" by Digital Trends. A classic choice for your pick.
  • EASY TO CARRY: This entry-level portable power station is equipped with a 240Wh lithium-ion battery pack, weighing only at 6.6 pounds. The solid handle makes it easy to carry around for outdoor adventures such as Tent Camping, Road Trip, Backyard Camping, etc.
  • VERSATILE POWER SOURCE: 1* Pure Sine Wave AC outlet (110V 200W 400W Peak), 2* USB-A ports (5V, 2.4A), and 1* 12V DC car port to charge your road trip essentials such as smartphones, laptops, cameras, fans, lights and so on. Pass-through charging is supported.
  • GREEN POWER SUPPLY: The power station can be recharged by the Jackery SolarSaga 60 solar panel or SolarSaga 100 solar panel. Its built-in MPPT controller enables the solar panel to operate at its max power point for the power station to be recharged at its highest efficiency. TWO alternative ways to recharge: through the wall outlet or the car outlet.
  • WHAT YOU GET: 1* Jackery Explorer 240 portable power station, 1*AC adapter, 1* car charger cable, 1* user guide.
SaleBestseller No. 6
Westinghouse Outdoor Power Equipment 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CARB Compliant
  • 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start With Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank With Fuel Gauge
  • Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety
  • Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours
  • Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA and CARB Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network
SaleBestseller No. 7
Champion Power Equipment 200954 4250-Watt RV Ready Open Frame Inverter Generator, Quiet Technology
  • ADVANCED DESIGN: 50% quieter and 20% lighter than a traditional 4250-watt generator, plus Economy Mode saves fuel and extends engine life, and Intelligauge monitors voltage, frequency and operating hours
  • QUIET TECHNOLOGY AND EXTENDED RUN TIME: 64 dBA is great for RVs, tailgating, your next project or home backup, with 4250 starting watts and 3500 running watts for up to 22 hours run time on gasoline
  • CLEAN ELECTRICITY FOR SENSITIVE ELECTRONICS: RV Ready with a 120V 30A RV, plus two 120V 20A household outlets with clean power (less than 3% THD) plus two convenient USB ports
  • PARALLEL READY: Increase your power output by connecting up to two 2800-watt or higher inverter or digital hybrid with the optional Parallel Kit (sold separately)
  • CHAMPION SUPPORT: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts
Bestseller No. 8
Jackery Portable Power Station Explorer 500, 518Wh Outdoor Solar Generator Mobile Lithium Battery Pack with 110V/500W AC Outlet (Solar Panel Optional) for Home Use, Emergency Backup,Road Trip Camping
  • LONG LASTING ENDURANCE: The Explorer 500 portable power station is built with the lithium-ion battery pack, in a safely designed frame structure to maximize, and long last the power for every single use of outdoor adventures and home use.
  • THE PERFECT CAPACITY: With a 518 watt-hour (24Ah, 21.6V) capacity, it is ready to power many appliances - mini cooler, fan, projector, lamp light, and TV.
  • SUPPORT PASS-THROUGH CHARGING: This power station features 1* AC outlet (110V 500W 1000W Peak), 3*USB-A ports, 2* DC ports, and 1*car port. Its Battery Management System governs each individual cell, improving the battery life cycle while being pass-through charged.
  • DESIGNED FOR PORTABILITY: Same size as a basketball, this Explorer 500 is easy to carry with its solid handle, making it a compact and reliable choice for scenarios of camping, road-trip, RV, and home backup.
  • WHAT YOU GET: 1* Jackery Explorer 500 Portable Power Station (518Wh Power Station), 1*AC adapter, 1* car charger cable, 1* user manual.
Bestseller No. 9
WEN 56235i Super Quiet 2350-Watt Portable Inverter Generator with Fuel Shut Off, CARB Compliant, Ultra Lightweight, Black
  • Ultralight body weighs in at a mere 39 pounds for easy transport and storage
  • Extremely quiet operation comparable to the sound of a normal conversation according to the US Department of Health and Human Services
  • Produces 2350 surge watts and 1900 rated watts of clean power for safe charging of sensitive electronics (phones, tablets, televisions, computers, etc.)
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Includes two three-prong 120V receptacles, one 12V DC receptacle, two 5V USB ports, and a two-year warranty

People also ask

What is a 4500-watt inverter generator?

A 4500-watt inverter generator is a portable power generator that produces up to 4500 watts of clean, stable power and uses an inverter to convert DC power to AC power.

What makes a 4500-watt inverter generator the best?

The best 4500-watt inverter generator should have a compact size, low noise levels, powerful engine, and the ability to provide clean and stable power suitable for sensitive electronics.

Can I use a 4500-watt inverter generator for sensitive electronics?

Yes, the best 4500-watt inverter generator is suitable for powering sensitive electronics such as laptops, televisions, and smartphones because it produces clean and stable power with minimal harmonic distortion.

How many appliances can a 4500-watt inverter generator power at once?

The number of appliances a 4500-watt inverter generator can power at once depends on the wattage of each appliance. A 4500-watt generator can typically power multiple small appliances or one larger appliance such as an air conditioner or fridge.

Are 4500-watt inverter generators noisy?

The best 4500-watt inverter generator is designed to be quiet with noise levels ranging from 52-58 decibels depending on the load. This makes them ideal for use in residential areas or camping grounds where low noise levels are required.

How long can a 4500-watt inverter generator run?

The runtime of a 4500-watt inverter generator depends on the fuel tank capacity and the load. A typical 4500-watt generator can run for up to 8-12 hours on a full tank of gas at 50% load.