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GENMAX Portable Generator, 2800W ultra-quiet gas engine,with CO Sensor and Parallel Capability, Ideal for camping outdoor Home backup power.EPA &CARB Compliant (GM2800iSAC)

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Style: GM2800iSAC


Features

  • Powerful Engine And Safe For Sensitive Electronics The GENMAX 2800 Starting Watts Inverter Generator with inverter technology and Maganetic dipstick produce 2800 Starting Watts/ 2300 Running Watts clean power (less than 3% THD), confidently connect your sensitive electronics such as TV, lights, fans, small power tools and more on camping trips, etc.
  • Ultralight And Small SizeAt only 45.2 pounds, GM2800iSAC is one of the lightest 2800w inverter in this industry. The sturdy handle makes it easy to carry for long distance.
  • Extremely Quiet,Fuel Efficient As Low as 60 dBA Noise Output, Run for 8 hours at 50% load on a 1 gallon tank, Features Economy Mode for Maximum Fuel Efficiency
  • CO Detect Shutdown Includes CO Detect shutdown sensor for Prevention of Carbon Monoxide Poisoning
  • GENMAX SupportIncludes 3-year warranty with FREE lifetime technical support from experts

Brand: GENMAX


Wattage: 2800 watts


Fuel Type: Gasoline


Power Source: Gas-Powered


Recommended Uses For Product: Residential


Item Weight: 45.4 Pounds


Output Wattage: 2800 Watts


Special Feature: ‎Maganetic dipstick,Portable, Super Quiet


Included Components: ‎Spark Plug Socket Wrench (1) Dual-Purpose Screwdriver (1) User Manual (1) Warranty Information (1) Funnel (1) See more


Color: orange


Wattage: 2800 watts


Fuel Type: Gasoline


Power Source: Gas-Powered


Recommended Uses For Product: Residential


Output Wattage: 2800 Watts


Additional Features: ‎Maganetic dipstick,Portable, Super Quiet


Engine Type: 4 Stroke


Ignition System Type: Magneto


Tank Volume: 1 Gallons


Total Power Outlets: 1


Engine Power Maximum: 2800 Watts


Starting Wattage: 2800 Watts


Running Wattage: 2300 Watts


Is Electric: No


Runtime: 8 hours


Color: orange


Brand Name: GENMAX


Included Components: ‎Spark Plug Socket Wrench (1) Dual-Purpose Screwdriver (1) User Manual (1) Warranty Information (1) Funnel (1)


Model Name: GM2800iSAC


Model Number: GM2800iSAC


UPC: 748780935654


Manufacturer: GENMAX


Manufacturer Part Number: GM2800iSAC


Item Type Name: Inverter Generator


Warranty Description: 3 Year Manufacturer


Item Weight: 45.4 Pounds


Item Dimensions L x W x H: 18.9"L x 11"W x 18.3"H


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jul 24

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Top Amazon Reviews


  • Great Portable Power for the Price *UPDATED*
Style: GM2800iSAC
*UPDATED 6 Months Later* I am so pleased with this little generator. Since my original review of using this generator for running compressor and power tools, I finally had the opportunity to run it for the purpose I bought it for; running a small air conditioner at my no-power hunting camp. The generator performed exactly as expected, and was able to run the small 5,000 BTU air conditioner as well as some lights and providing me an AC outlet in my hunt camp camper for my phone charger for 6+ hours in 90 degree temperatures on the one gallon of gas. The generator is light enough for me to transport wherever I need it, so I have used it to run power tools on other "in the woods" projects to run my saw and nailer, electric landscaping tools and other plug-in equipment at my hunting stands. My latest experiment involved trying to run the electric systems on my 17" popup camper on this generator. With the 13,500 BTU rooftop air conditioner, as well as the Absorption-type fridge, and the main lights (2x LED banks) the generator was able to run everything. Once the AC ran through its start up cycle (large, temporary draw) and went to steady draw of about 1300 watts to run, I was able to run everything in eco mode, and did not overload the generator. I am incredibly pleased with the output of this generator and the small fuel consumption, small footprint, and relatively quiet operation. I would definitely purchase this again if I had need to replace this unit, or if I had increased power consumption. *ORIGINAL REVIEW* I purchased this generator on a Lightning Deal. It was a little bigger than what I wanted. I needed a small generator to run a 5000 BTU window AC on a camper I use at hunt camp. I was looking at the smaller Genmax generator (1200) but saw this one at basically the same price. This last weekend I had the opportunity to put it through its paces helping a friend build a cabin on a remote property he has. This generator was able to run a compressor (to run a framing nailer) as well as a chop saw for cutting dimensional lumber for framing, and a circular saw for cutting zip board. We even had an extra outlet we used to charge power tool batteries. The generator would struggle just a little bit if the air compressor and the chop saw ran at the same time, but it would catch up quickly and push on through. We ran the generator continuously for 6 hours on the single tank of gas. While its primary purpose will be to run the AC unit, I am now confident that I will be able to also run lights and perhaps even some appliances at the hunt camp trailer. The generator was quiet enough to be able to have a conversation standing next to it without really raising your voice. In fact, it was quieter than either the air compressor or the chop saw when they were running. All in all, I am very happy with its performance over the weekend, and I'm sure it will be more than adequate for what it was originally purchased for. ... show more
Reviewed in the United States on March 20, 2024 by Eric V

  • A Must-Have for Outdoor Adventures and Backup Power!
Style: GM2800iSAC
I couldn’t be happier with the GENMAX GM2800iSAC! I bought it for camping trips and to use as an emergency backup generator, and it’s honestly been a game-changer. What I Love About It: ⚡ Plenty of Power – This little generator has more than enough juice to run my 5,000 BTU AC, lights, and all my small electronics (phone, laptop, etc.) simultaneously without breaking a sweat. The clean inverter power means I can run sensitive devices with zero worries about damage. 🎒 Super Portable – Weighing only 45 lbs, I can easily carry it from the car to the campsite. The handle is solid and makes it easy to transport, even when it’s fully fueled. 🔇 Surprisingly Quiet – It’s definitely quieter than traditional generators! We were able to have normal conversations standing right next to it. It’s not “silent,” but for the power it provides, it’s impressively quiet. ⛽ Great Fuel Efficiency – The runtime is awesome! I’ve been getting around 6–8 hours on a single gallon of gas at partial load. That’s perfect for longer camping trips or power outages without constantly needing to refuel. 🛡️ Awesome Safety Features – The CO Detect sensor gives me peace of mind when using it indoors or in semi-enclosed spaces like the garage. I love that it automatically shuts off if unsafe CO levels are detected. Final Thoughts: For the price, this generator punches well above its weight. It’s powerful, portable, and built with safety in mind. Whether you're camping, tailgating, or just want some peace of mind during power outages, this generator is a fantastic choice. I couldn’t be more satisfied with my purchase—highly recommend it! ... show more
Reviewed in the United States on June 4, 2025 by Amazon Customer

  • GENERAC dissatisfaction
Style: GM2800iSAC
Very dissatisfied. The unit never started and I did reach out to the manufacturer and never received an answer.
Reviewed in the United States on April 21, 2026 by elier fuentes

  • Seems to be just what I expected
Style: GM2800iSAC
Easy to use and started up from brand new on the 2nd pull. lightweight for easy transport, low engine noise, overall very pleased for the value for the money. Oil capacity clearly marked at 15.2 ounces and even includes a handy oil fill tube which prevents spills.
Reviewed in the United States on February 19, 2025 by codeman

  • Hard start in beginning, good now
Style: GM2800iSAC
Good so far
Reviewed in the United States on January 5, 2026 by Randall

  • Loved it so much, bought another one!
Style: GM2800iSAC
Got this generator to have on hand in case of power outage, natural disaster, etc. Once I got it however, I realized what else I could do with it. I've used it camping, on family outings and doing things around the house where I don't have an extension cord long enough. When I found out you could run two in parallel, I bought the second one. I'm now prepared for pretty much any eventuality where I need quick, easy, transportable power. The one thing I'm not too happy about is it is listed as quiet. Nothing about these generators are quiet. But the rest of the performance is so good that I don't mind the noise. ... show more
Reviewed in the United States on August 24, 2024 by Jonny S

  • CO sensor shuts generator down all the time!!
Style: GM2800iSAC
Good on power and construction. Runs rich and co sensor sucks. Mounted in a utility truck ran exhaust 4 ft away won't run more then 2 minutes with doors open and fan on it. Disappointed
Reviewed in the United States on May 4, 2025 by JPS

  • Fantastic generator at an even better price.
Style: GM2800iSAC
The generator was relatively easy to setup, all I needed was a little bit of 10w-30 oil gasoline and it started right up on the 2nd pull. The generator ran super quiet and smoothly. I'm very impressed as it can power my large vacuum and air compressor without overloading. Hopefully it holds up well.
Reviewed in the United States on June 20, 2024 by AA

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