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Oxseryn

4000W Inverter Generator, Open Frame Generator Gas Powered, Portable Outdoor Power Equipment, Emergency Home Backup, RV Ready 30A Outlet, Low Noise

  • Based on 65 reviews
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$289.99 Why this price?
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Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Fulfilled by Oxseryn Direct U.S.
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Style: 4000Watts


Features

  • High Power Output Delivers 4000 peak watts and 3200 running watts, Includes 1*12V DC port, 2*120V AC ports, 1* 30A RV port. Perfect for RV camping, emergency home backup and power tools.
  • Inverter Technology Provides clean, stable power with low THD, safe for sensitive electronics like laptops, phones, and cameras.
  • Long Runtime Runs for up to 14 hours at 25% load, 2 gallon fuel tank with built-in fuel gauge, easily monitor fuel levels at a glance, avoiding unexpected shutdowns. Long lasting power make this generator ideal for storms, blackouts, or remote worksites.
  • Low Noise Operating at just 72 dBA away 23FT, this generator provides reliable power for your home during a power outage or RV nights.
  • Sturdy & Portable With a sturdy frame, built to withstand tough environments, weight only 56LBS, easy to transport.
  • Note All Oxseryn generators are functionally tested in the factory, so there may be a slight smell of gas when you receive it.

Brand: Oxseryn


Wattage: 3200 watts


Fuel Type: Gasoline


Power Source: Fuel Powered


Recommended Uses For Product: Camping, Commercial, Residential


Item Weight: 59.8 Pounds


Voltage: 120 Volts


Output Wattage: 4000


Special Feature: Automatic Shut Down, Cold Start Technology, Extra-Long Run Time, Fuel Efficient, Fuel Gauge


Included Components: 4000W Generator


Brand: ‎Oxseryn


Wattage: ‎3200 watts


Fuel Type: ‎Gasoline


Power Source: ‎Fuel Powered


Recommended Uses For Product: ‎Camping, Commercial, Residential


Item Weight: ‎59.8 Pounds


Voltage: ‎120 Volts


Output Wattage: ‎4000


Special Feature: ‎Automatic Shut Down, Cold Start Technology, Extra-Long Run Time, Fuel Efficient, Fuel Gauge


Included Components: ‎4000W Generator


Product Dimensions: ‎19"L x 15"W x 18.9"H


Model Name: ‎EDOX04


Engine Type: ‎4 Stroke


Ignition System Type: ‎Magneto


Tank Volume: ‎7.57 Liters


Total Power Outlets: ‎4


Engine Power Maximum: ‎4 Kilowatts


Starting Wattage: ‎4000 Watts


Running Wattage: ‎3200 Watts


Manufacturer: ‎Oxseryn


Part Number: ‎EDOX04


Item Weight: ‎59.8 pounds


Item model number: ‎EDOX04


Item Package Quantity: ‎1


Special Features: ‎Automatic Shut Down, Cold Start Technology, Extra-Long Run Time, Fuel Efficient, Fuel Gauge


Warranty Description: ‎1 Year


Date First Available: June 29, 2025


Frequently asked questions

This product is currently out of stock. Please check back later for shipping info.

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Great Generator
After the recent hurricane Melissa in Jamaica, this generator helped me alot. Even after 4 weeks of no power, I was so happy when it arrived and I was able to use certain appliances once more. It works very well, and the running costs are very good. I mainly use it during the day and not at night. So, I love it and will store it for when it will be needed again, once power is restored. ... show more
Reviewed in the United States on November 24, 2025 by CP
    • Great generator.
A nice sized portable generator with good power for its size and weight. Happy with it. Starts easy which I really like.
Reviewed in the United States on November 26, 2025 by Tom Rosser
    • Easy start !
Wow delivered in Two days. I bought for my camper. It's a 30amp. Does not come with oil. Runs the camper in eco mode with heat fridge and freezer easily. Doesn't kick up in revs. I'm sure with AC on it would. To cold to try.. starts easily.. For the price and quality I'm very pleased.
Reviewed in the United States on November 2, 2025 by Paolo D'Abarno
    • Very good
Small form factor, fuel efficient. No smoke. Really good. Even the pull cord was easy to start. The noise level really low esp in eco mode. Only draw back is that it doesn't have an ignition switch
Reviewed in the United States on December 9, 2025 by Darren Mott
    • Inverter Generator
This is great for powering your appliances and keeping you in the know doing an power outage.
Reviewed in the United States on December 20, 2025 by Moesha
    • Excellent Generator
This is an excellent generator. The noise level is really low compared to the one we were using before it. The initial setup is very easy and I have so far not needed to top up the oil. Be sure to use the correct engine oil 10W-30 if you want it to serve you well. It has significantly cut down our daily fuel cost compared to what we experienced with the unit we had before this, which is a different brand. ... show more
Reviewed in the United States on December 19, 2025 by Day
    • Works Well and Good Customer Service
⭐️⭐️⭐️⭐️⭐️ The generator is solid, well built, and works as expected. It provides reliable power and was easy to start and operate, which was especially important during outages. I did have an issue with an order. The seller’s customer service was responsive and professional throughout the process. They communicated clearly and worked to resolve the situation. Overall, I’m satisfied with both the generator’s performance and the support provided. ... show more
Reviewed in the United States on December 18, 2025 by Kimmonha Nairne
    • Amazing product
This generator is truly amazing, easy to start, easy setup. Amazing price absolutely worth it. The noise level is good, not too loud.
Reviewed in the United States on December 18, 2025 by shan robin

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