The 10 Best Offers for Petrol Inverter Generator - September 2025

Last updated: 16. September 2025
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1
Best Choice
9.9
maXpeedingrods
Save £150.00 Today!
£999.99 (15% OFF!)

Free Delivery**
  • 【Multifunction Power Supplier】 4 stroke 345cc inverter generator produces 5500W max watts and 5000W running watts. It is easily able to run a huge range of high-power appliances such as 2000W pressure washer, 3000W power tools, an air conditioner with 6000 BTU cooling capacity, refrigerators, kettles, and even more appliances. Or as backup for power outages.
  • 【Low noise】When the generator is in ECO mode at 25% load and is 7m away from the generator, the noise level is 62 decibels. which is almost the quietest generator of this rated power. At this noise level, there is little disturbance for users and people nearby. Please note that ambient noise may affect the overall value of the noise of the machine.
  • 【Extra Long Runtime】13.5L Large fuel tank capacity, runs 9 hours at 50% load (2500w load). In ECO mode, the runtime can be extended up to 13 hours.
  • 【Provide Clean Power】This inverter technology provides more steady power, produces clean power to safely operate and prevent damage to sensitive electronics such as phones, tablets, televisions and computers.
  • [Brand Warranty] Maxpeedingrods warrants all the inverter generators against defects in workmanship under normal use for a period of 2 years from the date of retail purchase by the original end-user purchaser ("Warranty Period"), and free lifetime technical support and customer service.
Colour Manufacturer Weight
Orange maXpeedingrods 52 kg
£84999
Was: £999.99 -15%
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2
Best Value
9.9
Hyundai
Save £70.50 Today!
£469.99 (15% OFF!)

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  • Powerful 79cc Hyundai petrol engine: Produces a maximum output of 2.2kW and continuous output of 2000W
  • Ideal for use whilst camping or in a caravan/motorhome: Great for TVs, laptops, smartphones, small air pumps and more
  • Ultra-quiet generator: Won't disturb others on your camping or caravan site
  • Power multiple devices at the same time: Outlets include a 230v socket and 12v DC battery charger
  • Lightweight and Portable at only 21.5kg: Light enough to be easily carried around and stored in your car boot or caravan cupboard with plenty of room to spare
  • Economical generator: Included ECO mode lowers engine revs to increase fuel economy
  • Easy to use: Popular option for powering family holidays
  • Peace of mind: 3 year Hyundai domestic warranty* (terms apply)
Colour Manufacturer Weight
Blue Hyundai 21.5 kg
£39949
RRP: £469.99 -15%
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3
9.8
AIVOLT
Save £30.00 Today!
£269.99 (11% OFF!)

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  • Unique Feature and Multifunction Control Panel - The outstanding design features bright orange appearance and a multifunctional panel including parallel connectability, a standard 230v 3 pin socket, 2 USB charging ports(type-A & type-C), a 12v DC charging outlet. Suitable for TVs, computers, small electric tools and many kitchen appliances.
  • Ultra Lightweight and Low Noise - Only weighs 12kg, and nearly 15% lighter than other same power compact generators. The labor-saving and ergonomic handle is very easy for a young woman to lift. When the generator is at 25% load, it comes with 58 decibels noise at 23 feet that is comparable to the sound of a normal conversation.
  • Pure Sine Wave Power - This inverter generator has a powerful 60cc 4 stroke OHV air-cooled 100% copper winding engine which can produce 1.2kw starting watts and 1.1kw continuous watts steady clean power with very low fuel consumption. Ideal for sensitive electronics such as phones, laptops.
  • Eco Mode & Long Runtime - A fully fueled 2.5L tank will provide you consistent power for up to 10 hours making the generator extremely economical. It runs 8 hours at 25%, 5.5 hours at 50% load, 4 hours at 75% load, 3.1hours at 100% load. In Eco-mode, it even runs more than 10 hours and prolongs generator’s life. Perfect for RV travel, jobsites and home use.
  • The package contains: 1*1200W petrol generator, 1*spark plug wrench, 1*oil funnel, 1*12V DC battery charging cable, 1* screw driver, 1* quick start guide, 1*British plug, 1*manual.
Colour Manufacturer Weight
Orange AIVOLT 12 kg
£23999
Was: £269.99 -11%
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4
9.7
Champion Power Equipment
Save £40.00 Today!
£399.99 (10% OFF!)

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  • Superior power & features - Our Champion Power Equipment 92001i Range of Invertor Generators offer both superior power and outstanding performance. These Inverters are offered in multiple fuel types, are Super-Lightweight and are packed with many great features including True Sine Wave Technology, EZ Start, LED Indicators, , Parallel Connectability, Multiple Outlets and USB Charging
  • Super lightweight & ultra quiet operation - Weighing in at only 17.6Kg, and only 44 x 28.5 x 44.5cm in size, the Mighty Atom is the World's lightest 2kW Inverter Generator meaning that it is both extremely lightweight and portable. The device is also extremely quiet during operation at only 58 dBA.
  • Reliable champion 2200w petrol engine - The Invertor Generator has an EZ Start and comes with a 2200 Maximum Watt (1900 Running Watts) 79cc Petrol Engine that will run up to 10.5 hours on a 4.0 Litres full tank (at 25% load). There is also a handy LED Indicator and Economy Mode to save on fuel as well as an Automatic Oil Shut Off Sensor and 500ml Oil Capacity.
  • True sine wave invertor technology - This technology makes this generator ideal for sensitive electronics such as computers, laptops and TV. Perfect for your next camping trip or powering small household items like fridges/freezers, power tools, lighting units & garden equipment. This inverter has parallel capability allowing you to pair up with other Champion Inverters using an optional Parallel Kit.
  • Includes power outlets & usb adapter - Included with the device are 2 covered 240V 13A Power Outlets and a handy 12v DC USB Adapter you can use to power your phone, laptop, tablet, or similar device. The Parallel Kit (Sold Separately) allows you to pair this up to another Champion inverter for double the power.
Colour Manufacturer Weight
Yellow,black Champion Power Equipment 17.6 kg
£35999
Was: £399.99 -10%
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5
9.7
Hyundai

Free Delivery**
  • Pure Sine Wave Output: Safely powers sensitive electronics like TVs, laptops, and phones
  • Low-Noise Operation: Produces only 59dBA with under 75% load at 7 meters, ideal for quiet environments
  • ECO Mode: Increases fuel efficiency, lowers noise, and extends engine lifespan
  • Lightweight and Portable: Weighs just 26.5kg, easy to transport and store
  • Built-In LCD Display: Monitors voltage, frequency, amps, and hours for safe usage
  • Safety Features: Includes overload protection and low oil shutdown
  • Versatile Outlets: Two 13A mains sockets and a 12V DC outlet for multiple devices
  • Peace of Mind: 3 year Hyundai home-use warranty* / 1 year commercial warranty
Colour Manufacturer Weight
Blue Hyundai 26.5 kg
£69999
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6
9.6
Hyundai
Save £78.00 Today!
£519.99 (15% OFF!)

  • Pure Sine Wave Output: Enables safe powering of sensitive electrical items, such as TVs, laptops and more, without the risk of damaging or overloading them.
  • Low-Noise Inverter Generator: Emits just a quiet 61dB @ 7m to minimise disturbance and distribution in low-noise environments.
  • Integrated ECO Mode Setting: Runs only as fast as the load demands! Increases the generator’s fuel economy, emits lower noise levels and extends the lifespan of the engine.
  • Lightweight and Portable at only 22.6kg: Light enough to be easily carried around and stored in your car boot or caravan cupboard with plenty of room to spare.
  • Rapid Electric Start: This Hyundai generator can be started within seconds at the turn of a dial thanks to its integrated electric start function.
  • Built-In LCD Screen: Easy to read monitor displays the generator’s critical data at a glance.
  • Overload and Low Oil Shutdown Protection: Integrated protection safeguards the generator and extends its lifespan.
  • Peace of Mind: 3 year Hyundai home-use warranty* / 1 year commercial warranty*
Colour Manufacturer Weight
Blue Hyundai 22.6 kg
£44199
RRP: £519.99 -15%
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7
9.5
United Power Equipment Co.,Ltd

Free Delivery**
  • 149cc 4-stroke OHV engine produces 3400 peak watts and 3200 rated watts with recoil start for up to 5 hours at half-load on 5L, 50Hz
  • Intelligent gauge keeps track of voltage, run-time and hertz and track power output, plus feature low oil led and economic mode to save fuel
  • Includes 230V two AC outlets, one 12V DC 8.3A car charger outlet and USB TypeA/C ; Parallel ready to connect 2 generators for twice the power (parallet kit sold separately)
  • This portable pure sine wave generator produces the clean power required by a variety of sensitive electronics such as phones, TV; THD<3%; Fully-enclosed design reduces noice level
  • All generators are functionally tested in the factory to guarantee quality with CE, EURO-V compliant; Backed by a 1 year limited warranty with lifetime technical guidance from experts
Colour Manufacturer Weight
Yellow and Black Aceup Energy 23 kg
£43599
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8
9.4
P1

Free Delivery**
  • Our portable generator has a powerful 98cc hyundai petrol engine and a capacity of 4.5 liters
  • This silent generator power multiple devices: 230v socket, 12v DC battery charger and 5v USB port
  • Produces a maximum output of 2.2kW and continuous output of 2kW
  • Compact and portable: Weighing just 22kg. Ideal for use whilst camping or in a caravanmotorhome:
  • Warranty : Covered by a 2 Year Platinum P1PE warranty with full UK Parts and Aftersales
Colour Manufacturer Weight
Blue P1 22 kg
£42899
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9
9.3
maXpeedingrods
Save £51.00 Today!
£339.99 (15% OFF!)

  • 【Multifunction Power Supplier】4-stroke petrol generator produces 3500W max watts and 3200W running watts. It is easily able to keep the lighting system or a small family house, power air conditioners and many other small appliances such as refrigerators,coffee machine at the same time.
  • 【Provide Clean Power】This inverter technology provides more steady power, produces clean power to safely operate and prevent damage to sensitive electronics such as phones, tablets, televisions and computers.
  • 【Multi-Function Display】Easy to monitor voltage and frequency power; display remaining fuel, which is suitable for timely fuel change; display cumulative runtime, which is suitable for later generator maintenance; display unique runtime, perfect timer function.
  • 【Lightweight and Powerful Motor】Only 26 kg, small and compact, easy to carry, 223 cc OHV motor with two 230 V ports and a 12 V DC connector, provides plenty of power for multiple tasks.
  • 【Brand Warranty】 Maxpeedingrods warrants all the inverter generators against defects in workmanship under normal use for a period of 2 years from the date of retail purchase by the original end-user purchaser ("Warranty Period"), and free lifetime technical support and customer service.
Colour Manufacturer Weight
Orange/Black maXpeedingrods 26 kg
£28899
Was: £339.99 -15%
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10
9.2
Briggs & Stratton

Free Delivery**
  • Quiet and fuel efficient 79cc OHV petrol engine produces 2400 starting watts and 1800 running watts in a compact design
  • The inverter technology produces smoother power. This means you can safely recharge and power your sensitive electronics such as laptops, smartphones and gaming systems
  • 3.8 litre fuel tank for up to 8 hours of continuous operation at 25 percent load
  • Automatically adjusts engine speed based on the items you're powering. Quiet Power Technology further reduces noise, fuel consumption and emissions
  • At 58dB operating volume, this portable generator is quieter than a normal conversation. (Sound levels may vary based on proximity and location; measured at ¼ load at 7 meters from control panel side)
  • Two 230V household sockets, one 12V DC charging outlet, and two 5V USB port offer enough flexibility to power an extensive combination of lights, laptops, blenders, personal electronics and more
  • CO Guard Carbon Monoxide Shutdown. Advanced Detection. Added Protection
  • An H-handle design lets one person easily carry the light generator when needed. It also allows two people to conveniently share the load. The optional wheel kit makes transport even easier
  • This petrol generator requires 0.5 litre SAE30 4-stroke oil for the engine. Not included in the box, please buy separately
Colour Manufacturer Weight
Grey Briggs & Stratton 22.8 kg
£61499
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General information about Petrol Inverter Generator:

Petrol inverter generators are a popular choice for individuals and businesses looking for a reliable and portable power source. These generators utilize petrol as fuel and feature an inverter technology that provides a stable and clean power output. With their compact and lightweight design, petrol inverter generators offer convenience and versatility in various applications.

One of the key advantages of petrol inverter generators is their ability to produce clean and high-quality power. The inverter technology integrated into these generators ensures that the output power is stable, with minimal voltage fluctuations and harmonic distortion. This makes them suitable for powering sensitive electronic devices such as laptops, smartphones, and audio equipment. Whether you're camping, hosting an outdoor event, or working on a construction site, a petrol inverter generator can provide a reliable and safe source of power.

Portability is another notable feature of petrol inverter generators. Their compact design and lightweight construction make them easy to transport and store. Many models come with built-in handles or wheels, allowing you to move them around with ease. This makes petrol inverter generators ideal for activities like camping or tailgating, where a portable power source is essential. Additionally, these generators often feature fuel-efficient engines, providing longer run times on a single tank of petrol.

In conclusion, petrol inverter generators offer reliability, portability, and clean power output. With their ability to deliver stable power for sensitive electronics and their compact design, they are an excellent choice for both recreational and professional use. Whether you're in need of backup power during a blackout or looking for a convenient power source for outdoor activities, petrol inverter generators can meet your needs while providing peace of mind.

* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
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