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22 900 Watt Generator in March 2023

You are looking for a small generator as a backup source for your electronic devices. Moreover, those generators should be applicable anywhere, whether at home, in an RV, or in the yard.

However, you have no experience buying a generator, so it takes a lot of time to find a suitable product. Congratulations, we have found the top three 900 watt generators on Amazon that can meet all your needs. Check them now.


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Last update on 2023-03-24 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

3 ratings



1. BEST OVERALL 900 WATT GENERATOR: Black Max 900W / 1000W Digital Inverter Generator


  View price on Amazon  

  • Brand: Blackmax
  • Wattage: 900 watts
  • Fuel Type: Gasoline
  • Power Source: Gas-powered
  • Output Wattage: 1000 Watts
  • Read more.

The first 900W generator on this list is the Black Max 900W/1000W digital inverter generator. This generator is gas-powered, so it is more powerful than other 900W ones.

The 4-stroke engine enables the generator to create 1000 starting and 900 running watts. With this engine, the generator can also run for up to 7 hours at 25% load to meet your demand.

Furthermore, this unit uses inverter technology to produce clean and stable power for vulnerable electronics like phones, tablets, laptops, etc. The ergonomic handle design is easy to carry anywhere that needs power or off-grid places like campgrounds.

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2. TOP VERSATILE 900W GENERATOR: Rophefx Portable Gas Powered Generator 900W


  View price on Amazon  

  • Stable Output】- The 71cc 2-stroke gasoline engine allows the generator to handle all loads with 900 peak/800 rated watts.
  • 【High Combustion Efficiency】- This generator uses a mixture of gas and oil with a ratio of 50:1 to power your appliances.
  • 【Emergency Power Supply】- Various outlets can charge a lot of tools and devices simultaneously.
  • Portable Generator】- The device has a compact and lightweight design of only 38.5lbs for easy movement.  
  • Read more.

You can use this Rophefx 900W portable gas-powered generator as a power supply for your household and camping devices.

The generator has a capacity of 900W to handle various loads with a powerful 71cc 2-stroke gasoline engine. It also uses gas&oil mixing with a ratio of 50:1 to increase its efficiency.

There are 120V outlets and a 12V DC output to provide timely power to your equipment in sudden power failure or emergencies.

In addition, this generator is perfect for electric tools, camping, and tailgating thanks to its smooth and environmental-friendly operation.

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3. BEST LIGHTWEIGHT 900 WATT GENERATOR: WIILAYOK Portable Generator, 900 Watts Gas Powered Generator


  View price on Amazon  

  • Portable Generator: The WIILAYOK generator with a handle is ideal for outdoor activities such as camping, traveling, or RV trips.
  • Stable Output: A 71cc, 2.2HP gas engine provides 900 surge/800 rated watts and 5 hours of runtime at half load.
  • Safe and Reliable: The reset circuit protection can protect the generator from over-temperature and circuit damage. 
  • Low noise: The generator has a low decibel during operation, providing a comfortable experience to users.     
  • Read more.

If you need to use the generator frequently, you will need the lightweight WIILAYOK 900W portable generator for your job.

With a handheld design of 34lbs, this generator allows you to take it anywhere and power your electric tools. A full 1.1-gallon tank can deliver 5 hours of runtime at 50% load to meet your demand.

The 120V household outlets and 12V DC output can provide clean power for your phones, laptops, and other electronics.

The generator has a quiet operation compliant with EPA III and CARB standards to create a comfortable user experience.

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The prices of the above products are recorded at the moment of our inspection. From time to time, they can be subject to changes by the Seller. As a result, the prices of some products may differ slightly from those listed here when you visit Amazon. Please refer to the above instructions as a reference. Click on Amazon if you want to know the exact price.


To choose the best 900W generator, you should consider some major factors, such as noise levels, fuel capacity, and clean power.

1. Noise levels

Most quality generators on the market have noise levels of less than 68 dB. In particular, generators with lower power, such as 900W, can operate quietly at 50-55 dB without disturbance.

2. Fuel capacity 

Most 900-watt generators use 1.1-gallon gas tanks and work for 5 hours. If you want more power, you can choose a 5-gallon fuel tank or more to run for 7-10 hours.

3. Clean power

You can check out Total Harmonic Distortion (THD), which shows the quality of electricity. A THD of less than 6% is considered clean power. Therefore, you should choose a 900-watt generator with less than 6% THD output power.


1. What are a generator's rated/running watts and surge/ starting watts?

Rated wattage is the power a generator can produce continuously. Meanwhile, the generator produces surge watts of power in a short time or when it starts. For example, a 900W generator can continuously provide 900 running watts and 1000 starting watts for your devices.

2. Can a 900W portable generator be powerful enough for a power outage?

When there is a blackout, you can use the 900W generator to charge small home appliances like TVs, lights, fans, or even a refrigerator if it's suitable. However, you should not charge multiple devices simultaneously to avoid overcharging.

3. When should I perform maintenance for my generator?

Your generator should have maintenance at least once a year or as instructed by the manufacturer. For 900W gas-powered generators, you also need to check the fuel tank and replace it if necessary.


The above information is all about our product reviews. We do not work this for business or receive sponsorship from any manufacturer or retailer.

When you purchase a product, that product may come with a specific manufacturer-provided warranty. If you have any problem with your product during the warranty period, the Seller will be solely responsible for that problem.

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To offer you a more neutral and reliable article, we have done the research and referred to the following sources:

  • Amazon.com
  • Consumerreport.org
  • Bestbuy.com
  • Consumerreport.org
  • Bestreviewser.com

Jan Phillips
Jan Phillips
Jan Phillips is presently a youtuber with a popular YouTube channel, particularly among homemakers. She stated that she enjoys house décor and wants to make her home as functional as possible. So she has highlighted a lot of important products that every home should have on her channel. She not only sells items and supplies but also explains each model's benefits and drawbacks so that viewers may make the best decision for themselves. Jan Phillips has grown in popularity thanks to her nice demeanor and incredibly useful product knowledge, and her YouTube channel has a large following.