The 10 Best Offers for Petrol Generator - May 2025

Last updated: 09. May 2025
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1
Best Choice
10.0
Briggs & Stratton

  • 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
£82792
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2
Best Value
9.9
AIVOLT
Save £64.80 Today!
£269.99 (24% OFF!)

Free Delivery**
  • 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
£20519
Was: £269.99 -24%
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3
9.8
maXpeedingrods

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  • 【Multifunction Power Supplier】 Quiet and fuel efficient 4 stroke 145cc petrol generator produces 3300W max watts and 3000W running watts. It is easily able to run the lighting system, RV or a small family home. And run a huge range of high-power appliances such as an air conditioner with 6000 BTU cooling capacity, refrigerators, kettles, and even more appliances at the same time.
  • 【Low noise】When the generator is in ECO mode at 25% load and is 7m away from the generator, the noise level is 58 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】Runs 8.3 hours at 25% load (750w load) 、4.5 hours at 50% load (1500w load). In ECO mode, the runtime can be extended up to 10-12 hours. Guaranteed power supply overnight.
  • 【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,black maXpeedingrods 21 kg
£54999
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4
9.7
AIVOLT

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  • Pure Sine Wave Power - AIVOLT portable generator has a powerful 80cc 4 stroke OHV air-cooled 100% copper winding engine which can produce 1800 maximum watts and 1700W continuous watts steady clean power (less than 3% THD) with very low fuel consumption. Ideal for sensitive electronics such as phones, laptops and many large outdoor garden appliances.
  • Eco Mode & Long Runtime - A fully fueled 3L tank will provide you consistent power for up to 8 hours making the generator extremely economical. It runs 7 hours at 25% load (450W), 5 hours at 50% load(900W), 3.4 hours at 75% load(1350W), 3 hours at 100% load. In Eco-mode, it even runs more time and prolongs generator’s life. Perfect for RV camping, construction, jobsites and power failures.
  • Unique Feature and Multifunction Control Panel - The outstanding design features bright orange appearance and a multifunctional panel including parallel outlets, a standard 230v 3 pin socket, 2 USB charging ports(type-A & type-C), a 12v DC charging outlet. It's convenient to double or even triple your power by using the parallel kit to connect to another AIVOLT inverter generator (including 1.2KW, 1.8KW, 3.3KW).
  • Ultra Lightweight and Low Noise - Weighing in at only 15kg, and nearly 15% lighter than other same power compact generators. The labor-saving and ergonomic handle is very easy to lift. When the generator is at 25% load, it comes with 59 decibels noise at 23 feet that is comparable to the sound of a normal conversation.
  • The package contains: 1*1800W petrol generator, 1*spark plug wrench, 1*oil funnel, 1*12V DC battery charging cable, 1* screw driver, 1* quick start guide, 1*manual.
Colour Manufacturer Weight
Orange AIVOLT 15 kg
£29999
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5
9.6
ParkerBrand

6
9.5
Champion Power Equipment

Free Delivery**
  • 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
£39999
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7
9.4
maXpeedingrods

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  • 【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
£33999
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8
9.3
Nassboards

  • INSTANT POWER: Instant Power Inverter Generators is a compact lightweight generator that offers great value for money and premium quality to boot. With a powerful 4 stroke engine there’s no need to mix fuel since the Instant Power Portable Inverter runs on standard petrol, providing a minimum of 6 hours running time (on eco mode). It’s simple to use, and anyone of a suitable age can operate this inverter. Simply fill with petrol, prime the generator, pull on the cord and you’re ready to go
  • HUGE CAPACITY: The Instant Power Generator provides 230V AC power and a max output of 1200w, enabling you access to a reliable power source when you need it most. It’s a must have accessory for camping, caravans, outdoor events, sporting events, boats, power tools, weddings, fishing, hunting, construction, in case of emergencies, and so many more uses. It’s there for you when you need it most, providing a perfect back up to domestic power in case of power cuts during severe weather and storms
  • EXCELLENT PORTABILITY & SAFETY: Although small in size and super lightweight, the Instant Power Inverter Generator packs a powerful punch. It weighs just 15kg, so it’s a breeze to transport and store, and compact in design so it will easily fit in your car, boat or RV. With a shutdown feature on low oil, and an overload protection, the Inverter Generator provides power and safety. With Nassboards, you’ll also receive a 0.5L bottle of 10W-30 Oil, Spark Plug Removal Tool and DC Charging Wires
  • PURE SINE WAVE POWER: The Instant Power 1200w Generator has advanced Pure Sine Wave technology, which produces a constant voltage and frequency stability of between + or -1%, the same quality of clean electricity that you typically get from your electric company. With a standard UK 3 pin socket and a 12v DC Output, it’s ideal for powering sensitive equipment with microprocessors such as computers, phones, tablets, TVs, game consoles, printers, DVD players, even kitchen appliances and power tools
  • REDUCED NOISE: The Instant Power is quiet in operation compared to large traditional generators, with very low fuel consumption allowing it to run for hours on a single tank on economy mode. The Economy throttle automatically adjusts the engine speed to match the load for greater fuel efficiency and a lower noise level. The economy switch will also allow the generator to idle when no power is being drawn, reducing fuel consumption and stress on the engine while improving cost efficiency
Colour Manufacturer Weight
Dark Grey Nassboards 15 kg
£19999
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9
9.2
United Power Equipment Co.,Ltd
Save £20.00 Today!
£179.99 (11% OFF!)

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  • Portable generator: It is only 15.9kg weight. Light-weight and small household generator is easy to carry outdoors for camping, power outages, lighting with family
  • High combustion efficiency: Gasoline generator up to 6 Hours of run time at half load when the 1.1 L fuel tank is full; AC 230V household outlets; Frequency 50Hz
  • Simple operation: Powered by a 63cc Aceup 2-cycle air-cooled engine, featuring low failure rate.This generator uses unleaded gasoline and 2-cycle oil mixture (50:1) mixing, so there’s no need for oil change
  • Wide application: 650 running watts and 750 peak watts with recoil start; The starting watts should not exceed our generator range, appling to outdoor light string, slow cooker etc,.
  • Safety certificate: All Aceup Energy mini portable generators are functionally tested in the factory to guarantee quality. EURO-V, CE, ROHS compliance; Backed by a 1 year limited warranty with free lifetime technical guidance from Experts
Colour Manufacturer Weight
Yellow Aceup Energy 16 kg
£15999
RRP: £179.99 -11%
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10
9.1
Monster Shop

  • Powerful Performance: Equipped with a 210cc 4-stroke engine delivering a robust 3.3KW output, this generator is designed to handle demanding tasks with ease. It offers versatile power options with 2 x 230V AC sockets and a 12V DC outlet, perfect for powering multiple devices simultaneously.
  • Extended Runtime: The 12L fuel tank ensures up to 8 hours of continuous runtime at 50% load, providing extended power without the need for frequent refuelling, making it ideal for prolonged use in various situations.
  • Compact and Easily Portable: Designed for mobility, this generator is both compact and lightweight, with durable handles and 6-inch wheels that make it simple to move across various surfaces and easy to store when not in use.
  • Effortless Operation: Starting up is made simple with the electric key ignition system, while the intuitive digital display offers real-time monitoring, allowing for easy control and reliable performance in any situation.
  • Quiet and Sturdy Construction: Engineered for quiet performance, this generator operates at just 76 dBA from 7 meters away, making it ideal for quiet environments. Its powder-coated steel frame offers rugged durability, and the low-oil alert system helps protect the engine, extending its service life.
Colour Manufacturer Weight
Orange T-Mech -
£32999
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General information about Petrol Generator:

Title: A Comprehensive Overview of Petrol Generators: Powering Your Needs Efficiently and Reliably

Introduction:
Petrol generators are versatile machines that provide a reliable source of electricity by converting petrol fuel into electrical power. They are widely used in various applications, including households, construction sites, outdoor events, and emergencies where a stable power supply is crucial. This article aims to provide a comprehensive understanding of petrol generators, their functionality, benefits, and key considerations when purchasing one.

Functionality and Benefits:
Petrol generators operate on the principle of an internal combustion engine, which converts the energy from burning petrol into mechanical energy. This mechanical energy is then transformed into electrical energy through an alternator. The process involves a continuous supply of petrol fuel, which powers the generator for the desired duration. Petrol generators come in various sizes and power outputs, ranging from small portable models to larger industrial-grade machines capable of powering entire buildings or construction sites.

One of the significant advantages of petrol generators is their portability. They are lightweight and compact, making them easy to transport and use in different locations. Portable petrol generators are designed with handles and wheels, ensuring convenience during transportation. Additionally, petrol generators are known for their versatility. They can power a wide range of appliances and equipment, including household electrical devices, power tools, lighting systems, and electronic devices.

Considerations and Features:
When selecting a petrol generator, several factors should be considered to ensure efficient and reliable performance. Firstly, it is important to determine the power requirements. Evaluate the total wattage needed to power the desired appliances or equipment and choose a generator with a suitable power output. Additionally, assessing the runtime needed is crucial. Consider the fuel tank capacity and the generator's fuel consumption rate to understand how long it can operate continuously.

Another essential aspect to consider is noise level. Petrol generators can produce varying levels of noise, depending on their design and power output. For residential or recreational use, it is often preferable to opt for petrol generators with lower noise levels. Furthermore, examining the generator's safety features, such as overload protection and low oil shutdown, is vital to prevent potential damage to appliances and ensure user safety.

In conclusion, petrol generators are reliable power sources that efficiently convert petrol into electrical energy. They offer portability, versatility, and convenience, making them suitable for a wide range of applications. When selecting a petrol generator, it is crucial to consider power requirements, runtime, noise level, and safety features to enhance overall performance and user satisfaction. By making an informed choice, you can rely on a petrol generator to provide a stable power supply whenever and wherever it is needed.

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