The WEN 4500 generator is a promising 4500 watt inverter at a budget-friendly price.
Two potential downsides are the small number of customer reviews and the short commercial warranty.
If you don’t mind these, the WEN 4500 generator can be a great choice.
It is worth noting that people who have specific preferences like really quiet operation may prefer certain other good 4500 watt generators.
What is the WEN 56455i 4500?
The WEN 56455i 4500 is a 4500 peak watt inverter generator that positively stands out in its low price.
This makes the WEN 56455i 4500 a budget-friendly way to get extra power for situations like camping, tailgating, and DIY sessions.

How does the WEN 56455i 4500 perform in different categories?
The WEN 56455i 4500 performs as follows in different important categories:
| Performance Category | WEN 56455i 4500 Score* |
|---|---|
| Power Capacity | 7 |
| Run Time | 9 |
| Quiet Operation | 9 |
| THD | <1.2% |
| Reliability Reputation | 7.5 |
| Fuel Efficiency | 9.5 |
| Ease Of Use | 8 |
| Portability | 7 |
| Price Category | $$$$ |
| Overall Expert Rating | 9 |
*Individual reviews compare the specific model to portable generators in general and sometimes scores are based on customer input
What are the key features of the WEN 56455i 4500?
The key features of the WEN 56455i 4500 are:
| Feature | WEN 4500 Generator Detail |
|---|---|
| Fuel Type | Gasoline |
| Starting Watts | 4500 Starting Watts |
| Running Watts | 3500 Running Watts |
| Run Time @25% Load | 8.5 Hours |
| Noise Levels | 57 dB |
| Outlets | (1) 120V 30A TT30R RV Outlet, (1) Duplex Of 120V 20A 5-20R Outlets, (2) USB Ports, (1) 12 VDC Outlet |
| THD | Less Than 1.2% |
| Warranty* | 2 Years Limited Residential And 90 Days Limited Commercial |
| Price Category** | $ |
| Check Current Price |
*Warranties can vary from seller to seller
**Price category at the time of writing
What are the pros of the WEN 56455i 4500?
The pros of the WEN 56455i 4500 are:
- Good fuel efficiency
- Long run time
- Relatively quiet operation
- Budget-friendly 4500 watt inverter generator
What are the cons of the WEN 56455i 4500?
The cons of the WEN 56455i 4500 are:
- Short commercial warranty
What are the main uses for the WEN 56455i 4500?
The main uses for the WEN 56455i 4500 are:
- RV or regular camping
- Tailgating
- Small businesses like food trucks
- Running small to medium power tools
What can the WEN 4500 generator run?
The WEN 4500 can typically run devices like a 15k BTU window air conditioner, a table saw, or a 1 HP air compressor separately.
Even with the number of watts, amps, and volts, it is not always straightforward to know the actual device combinations the WEN 4500 generator can run.
Some of the bigger machines this generator can run individually include a window air conditioner (15,000 BTU), a table saw, or a 1 HP air compressor.
You can also divide the 4500 starting watts and 3500 running watts over multiple devices.
An example of a combination the WEN 4500 generator should be able to run is a refrigerator, coffee maker, flat screen TV, and dishwasher.
Even better than these examples is looking up the power needs of the devices you want to run and figuring out whether these fit in the power capacity of a 4500 watt generator.
Are the customer reviews of the WEN 4500 positive?
Yes, the customer reviews of the WEN 4500 are typically positive.
Similar to other products, generators are not always as good as their features suggest.
To make sure the WEN 4500 inverter generator is high-quality, you also want to take a look at the reviews of the customers before you.
These are luckily very positive overall which implies that this generator has good reliability.
On top of that, other generators from the WEN brand tend to make customers happy too. This does not tell you how long the WEN 4500 will last but does give you some peace of mind.
What are the alternatives to WEN 4500?
The main alternatives to the WEN 4500 are the Westinghouse iGen4500 and the Champion 200988 4500 DF.
The WEN 4500 generator can be a good choice but you may also want to know about other inverters that have more customers and/or stand out in other areas.
If you want a high-quality 4500 watt inverter with more customer reviews, a quieter rating, and still a reasonable price, the Westinghouse iGen4500 could be the right choice for you.
You can also consider the Champion 200988 4500 DF which is pricier and slightly louder but also dual fuel and better in terms of reliability reputation.
Is the WEN 4500 generator worth it?
Yes, the WEN 4500 generator is often worth it for situations like RV camping where you need a medium amount of power.
This is one of your best bets if you want to run small to medium electronics at a relatively budget-friendly price.
While these things still apply, it is worth mentioning that there are also alternatives to the WEN 4500 generator that are better in terms of the number of reviews, noise levels, and/or reliability.
You may want to be able to run your devices on both gasoline and propane too.

What are the other specifications of the WEN 4500?
The other specifications of the WEN 4500 are:
| Specification | WEN 4500 Generator Detail |
|---|---|
| Voltage | 120 Volts |
| Portable | Yes |
| Fuel Tank Capacity | 2.2 Gallons |
| Fuel Efficiency (kWh Per Gallon) | 6.761 |
| Outlet Covers | No |
| Oil Type | 10W-30 For 0°F to 40°F 30W For 40+°F Or Synthetic 5W-30 |
| Engine Displacement | 212cc |
| Recoil Pull Start | Yes |
| Electric Start | Yes |
| Low Oil Shutdown | Yes |
| Fully Enclosed Design | Yes |
| AC Frequency | 60 Hz |
| Remote Start | No |
| Built-In Digital Smart LCD | Yes |
| Hour Meter | Yes |
| Fuel Gauge | Yes |
| Wattage Meter | Simplified Version |
| Run Time Remaining | Not Mentioned |
| Engine Type | 4 Stroke |
| Remote Generator Operation | No |
| Parallel Ready | Yes |
| Wheels | Yes |
| CO-Minder | No |
| Country Of Origin | Vietnam |
| Dimensions | 23.2″ L x 18″ W x 20.1″ H |
| Weight | 99.2 lbs (45 kg) |
| Check Current Price |
You can also check out the WEN 4500 generator manual for even more detailed information.
How long will a WEN 4500 generator run?
A WEN 4500 generator will run for about 8.5 hours at 50% load on a full fuel tank.
How much oil does a WEN 4500 generator take?
The WEN 4500 generator has an oil capacity of 18.6 fluid ounces which is about 0.55 liters.
How loud is the WEN 4500 generator?
The WEN 4500 generator is about 57 decibels loud.
Ratings like this are typically measured at 25% load and 23 feet (7 meters) away.
