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About Outbax

We provide your camping and outdoor needs at consistently low prices,
without compromising quality.

At Outbax, our team of 60+ staff are passionate about offering quality products at a low price.

Customer service is the core of our business. We have 24 full-time customer service champions to answer all of your queries and you’ll never be caught unaware with our 60-day money back guarantee.

Generator Shop

The increasing demand for generators has been evident at present due to the added security it brings whether for outdoor trips, households, or even stores and shops. There are now various models and types to choose from, unlike the standard bulky ones before that produces a roaring sound once you run it. Among the most popular kinds of generators are inverter generators, as it's designed with enhanced efficiency, lower emissions, and reduced noise. Inverter generators house features that were long proposed to improve the units without adding more weight to them for better portability and less complex installation.  Read more

12 products fitting your needs

Set Descending Direction

Gentrax Inverter Generator 4.2KW Max 3.5KW Rated Pure Sine with 2 Wire Start

Free Shipping Available

Special Price $1,699.00 Regular Price $3,399.00

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  • Compact and powerful design
  • Key, Remote and Pull start
  • 8.8L fuel capacity for 5.5 hour run time
  • Real-time LCD display shows output and runtime
  • Built-in wheels for transportation
  • Suitable for home and recreational outdoor activities
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New

GenTrax 3.5kW Max 3.0kW Rated Inverter Generator Open Frame

Rating:
93%
4.65 Stars
Special Price $489.00 Regular Price $899.00

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  • Pull start
  • Runs quietly at 65dB @ 7 metres
  • 12L petrol capacity for 12 hours (50% load) run time
  • 445 × 425 × 445mm
  • 32 kg
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Pre-order

NEW 2022 Design GenTrax 2kW Max 1.6kW Rated Inverter Generator

Free Shipping Available

Rating:
100%
5 Stars
Special Price $469.00 Regular Price $999.00

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  • Pull start
  • Runs quietly at 58dB @ 7 metres
  • 3L petrol capacity for 3 hours (50% load) run time
  • 473 × 263 × 413 mm
  • 16.0 Kg
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On sale

GenTrax 4.2kW Max 3.5kW Rated Remote Start Pure Sine Wave Inverter Generator

Free Shipping Available

Rating:
98%
4.9 Stars
Special Price $1,399.00 Regular Price $2,499.00

FREE SHIPPING WEEKEND!
$0 shipping costs using the code FREESHIPPING
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  • Key, Remote, and Pull start
  • Runs quietly at 58dB @ 7 metres
  • 8.8L petrol capacity for 4.5 hours (100% load) run time
  • 610 x 415 x 495mm
  • 41.5 kg
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Best-seller

GenTrax 3.85kW Max 3.5kW Rated Inverter Generator Portable Pure-Sine Camping

Special Price $789.00 Regular Price $1,599.00

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  • Pull start
  • Runs quietly at 64dB @ 7 metres
  • 17L petrol capacity for 7.9 hours (50% load) run time
  • 570 x 430 x 490mm
  • 37.8 kg
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On sale

GenTrax 3.5kW Max 3.2kW Rated Remote Start Pure Sine Wave Petrol Inverter Camping Generator

Free Shipping Available

Rating:
95%
4.75 Stars
Special Price $1,049.00 Regular Price $2,699.00

FREE SHIPPING WEEKEND!
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  • Key, Remote, and Pull start
  • Runs quietly at 58dB @ 7 metres
  • 7.5L petrol capacity for 7 hours (50% load) run time
  • 614 x 341 x 506mm
  • 38 kg
Learn More
Pre-order

GenTrax 800W Max 700W Rated Mini Pure Sine Wave Petrol Inverter Camping Generator

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Rating:
98%
4.9 Stars
Special Price $329.00 Regular Price $999.00

FREE SHIPPING WEEKEND!
$0 shipping costs using the code FREESHIPPING
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  • Pull start
  • Runs quietly at 58dB @ 7 metres
  • 2.1L petrol capacity for 6 hours (50% load) run time
  • 395 x 209 x 355mm
  • 8.5 kg
Learn More
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GenTrax 2.0kW Max 1.7kW Rated Pure Sine Wave Inverter Petrol Portable Camping Generator

Free Shipping Available

Rating:
96%
4.8 Stars
Special Price $549.00 Regular Price $1,499.00

FREE SHIPPING WEEKEND!
$0 shipping costs using the code FREESHIPPING
Hurry! Promo ends 10/12/23 11:59pm AEDT

  • Pull start
  • Runs quietly at 58dB @ 7 metres
  • 4.5L fuel capacity for 9 hours (50% load) run time
  • 525 x 282 x 458mm
  • 18.5 kg
Learn More
On sale

GenTrax 1.2kW Max 1.0KW Rated Pure Sine Wave Petrol Inverter Camping Generator

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Rating:
93%
4.65 Stars
Special Price $419.00 Regular Price $1,199.00

FREE SHIPPING WEEKEND!
$0 shipping costs using the code FREESHIPPING
Hurry! Promo ends 10/12/23 11:59pm AEDT

  • Pull start
  • Runs quietly at 58dB @ 7 metres
  • 3L petrol capacity for 6.6 hours (50% load) run time
  • 448 x 236 x 392mm
  • 12.5 kg
Learn More
On sale

GenTrax 800W Max 700W Rated Portable Pure Sine Wave Super Premium Inverter Generator

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Rating:
100%
5 Stars
Special Price $419.00 Regular Price $919.00

FREE SHIPPING WEEKEND!
$0 shipping costs using the code FREESHIPPING
Hurry! Promo ends 10/12/23 11:59pm AEDT

  • Pull start
  • Runs quietly at 58dB @ 7 metres
  • 2.1L petrol capacity for 6 hours (50% load) run time
  • 395 x 221 x 345mm
  • 9.3 kg
Learn More
On sale

GenTrax 3.5kW Max 3.0kW Rated Pure Sine Wave Petrol Inverter Camping Generator

Free Shipping Available

Rating:
91%
4.55 Stars
Special Price $829.00 Regular Price $1,999.00

FREE SHIPPING WEEKEND!
$0 shipping costs using the code FREESHIPPING
Hurry! Promo ends 10/12/23 11:59pm AEDT

Voted Australia's Best, 2018, 2019, 2020 & 2023!
Plus FREE SHIPPING* to most areas!

  • Pull start
  • Runs quietly at 58dB @ 7 metres
  • 5.7L petrol capacity for 6.2 hours (50% load) run time
  • 565 x 320 x 470mm
  • 28 kg
Learn More
Pre-order

GenTrax 2.5kW Max 2.2kW Rated Pure Sine Wave Petrol Inverter Camping Generator

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Rating:
93%
4.65 Stars
Special Price $679.00 Regular Price $1,799.00

FREE SHIPPING WEEKEND!
$0 shipping costs using the code FREESHIPPING
Hurry! Promo ends 10/12/23 11:59pm AEDT

  • Pull start
  • Runs quietly at 58dB @ 7 metres
  • 5.7L petrol capacity for 8 hours (50% load) run time
  • 565 x 320 x 470mm
  • 28 kg
Learn More
Pre-order

12 products fitting your needs

Set Descending Direction

The increasing demand for generators has been evident at present due to the added security it brings whether for outdoor trips, households, or even stores and shops. There are now various models and types to choose from, unlike the standard bulky ones before that produces a roaring sound once you run it. Among the most popular kinds of generators are inverter generators, as it's designed with enhanced efficiency, lower emissions, and reduced noise. Inverter generators house features that were long proposed to improve the units without adding more weight to them for better portability and less complex installation. 

What Size Generator Do I Need For My Shop?

First, determine your budget and the size of your shop. Generators can be classified into three according to size: There are small generators (2kW-7kW), medium generators (8kW-20kW), and large generators (20kW-40). Next, what kind of business do you run—is it something loaded with running appliances like a laundry or printing shop? Or is it more on displays and does not need that much electronic equipment? This is important because you will be calculating the estimated power output you need in a day based on the wattage of the appliances you want to run in case of a power outage. It's basically the same thing when determining what size generator do you need for your home as well.

Calculating how big of a generator you need is pretty simple. You just need to add the running watts and starting watts of every appliance that you want to power. Note that starting watts are always higher than their running wattage since this is the initial power needed to start your equipment. For example, if your fridge has a 350W running wattage and 1,050W starting wattage, the total power output you need for this would be 1,400W. Another thing, you also need to consider which appliances you need to use simultaneously.

Usually, small shops would include basic appliances like a computer, printer, security cameras, and television which all run on electricity. The best generators for these kinds of stores are either portable generators with 3kW to 8kW of power output or 5kW to 15kW standby generators that can be installed outside the building. If you have more appliances that need a larger capacity, you might want to opt for medium to large-sized generators instead. 

How Much Does an Inverter Generator Cost?

The average price of inverter generators ranges from $500 to $4000 depending on the size, features, and included items or services. Usually, a 3.5kVa generator is considered perfect for a couple of days off-grid or for caravanning but a 2000W generator can also be enough to power your appliances especially if you're not going to use them the entire day. 

You also need to consider the features you want as these may affect the price of your generator. For instance, if you want a quiet generator, it may cost a bit more than generators with no noise-reduction feature. Battery generators, auto start generators, and petrol generators may be priced differently too. Those who will go for generators that can power an entire store or house are going to have the most expensive total cost. Large generators are priced between $1,000-$10,000, plus installation and material fees.

Are Inverter Generators Any Good?

Inverter generators are gaining popularity for a reason. Besides their portability, these types of generators are built with safety and convenience features such as overload protection and oil level alert. They are also equipped with more innovative engines that keep up with the required speed according to the needed power requirement.

Particularly, the Gentrax line of inverter generators are extremely reliable and make a great option for camping or home and shop backup power. Designed with Pure Sine Wave, these generators produce smooth waves for lesser interruptions and run discreetly at 58dB. They're priced reasonably too, so if you're looking for a great inverter generator that will not break the bank, this is your best option. 

More from Outbax

Outbax has a wide variety of inverter generators for sale that you can choose from, as well as other power sources like solar panels and lithium batteries. We also have a generator buying guide to further help you determine the right generator for your power needs. Easily purchase your generator online and have it delivered right to your doorstep—no need to search for generators near you! We have a team of experts to help you choose and assist you even after your purchase, so whether you're looking for generators in Mackay or generators in Brisbane, Outbax has you covered. 

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