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5 Best Inverter Generators of 2025

Last Updated - 15/07/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

K&S Könner&Söhnen

Könner & Söhnen KS 5500iEG S portable LPG/petrol inverter generator) Max.power 5500 W, UK Plug Sockets 1x13 A,1x32 A (230 V),2 USB ports,silent inverter generator, dual fuel generator

K&S Könner&Söhnen

£1,189.00

More Details
Main highlights
- The power generator inverter is controlled with built-in inverter module with microprocessor control technical processes of the generator and generates the 230 V 50 Hz sine wave voltage.
- The power generator can be operated with either petrol or LPG (propane, butane). The package contains everything you need to use liquid gas as a fuel: a gas hose with pressure regulators for connection to a gas bottle according to DIN 477.
- The petrol generator is equipped with sound-insulated housing ensures a low sound level (66 dB Lpa at 7 m) and is equipped with a transport kit, consisting of two wheels and a folding handle for easy handling of the generator.
- The high-quality brushless gas generator with permanent magnets and 100% copper windings can withstand high loads and thus ensure a permanent and reliable operation of the generator.
- The emergency power unit petrol is equipped with the ergonomic control panel with a multifunctional 6-in-1 LED display, sockets 230 V 13 A and CEE 230 V 32 A, two USB ports 5 V/1 A, 5 V/2.1 A, an ECO mode switch, one connection for parallel connection two same generators for double power, a reset. - Button to reset the control, as well as a 12 V
- The emergency power generator is equipped with ECO mode, which allows the use of the generator to run at low loads with a lower engine speed and reduces fuel consumption by up to 50%, as well as the parallel switching function, which allows double the power by pairing two identical generators with parallel switch box.
- IMPORTANT: Do not overtighten the gas hose nut — the connection is designed to be secure with minimal tightening. Overtightening may damage the fitting or impair its performance
£1,189.00
2
Best Value

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Champion Power Equipment

Champion Power Equipment 3600 Watt Petrol Digital Hybrid Inverter – 224cc Engine, 14 hour run time, Ultra-quiet and light, Clean Power hybrid generator, economy mode to save fuel & surge protection

Champion Power Equipment

£879.99

More Details
Main highlights
- SMART DESIGN – Full of smart tech designed for smoother running, the included wireless remote even lets you safely start up your generator from 24m away.
- PEACE + QUIET – Get the job done without the racket with a dBa of only 61, ideal for campsites or quiet construction.
- EASY START-UP – The EZ start dial allows for a fuss-free start-up, cutting down on confusion to get your electricals or equipment powered up quickly and easily.
- DOUBLE UP – Need even more power? This generator is parallel ready so you can link to another inverter for added output.
- CLEAN POWER – Thanks to the low THD and True Sine Wave technology, you can safely power sensitive electronics free-from worry of power surges.
£879.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Champion Power Equipment

Champion Power Equipment 92001i 2200 Watt Petrol Portable Inverter Generator - 240V, 79cc Engine, 4.0L - The Mighty Atom - Super Lightweight, True Sine Wave, EZ Start, Ultra Quiet

Champion Power Equipment

£399.99

More Details
Main highlights
- 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.
- 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.
- 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.
£399.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

AIVOLT

AIVOLT 1800W Petrol Inverter Generator 4 Stroke 80cc Engine Portable Silent Generator for Camping, Jobsites, Home Use-Pure Sine Wave, Super Lightweight

AIVOLT

£379.93

More Details
Main highlights
- 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.
- 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.
£379.93
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

maXpeedingrods

maXpeedingrods 2300W Portable Inverter Generator 4 Stroke Silent Pure Sine Wave Generator for Camping, Caravan, Motorhome

maXpeedingrods

£349.99

More Details
Main highlights
- 【Multifunction Power Supplier】The MXR2300 4-Stroke OHV petrol inverter generator produces 2300W max watts and 1800W running watts, it is ideal for camping, festivals, work, boats, caravans and home power backup. And you can obtain up to 3200W to run more appliances in parallel.
- 【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. Please note that ambient noise may affect the overall value of the noise of the machine.
- 【Extra Long Runtime】: Runs 11 hours at 25% load (450 W load), 6.5 hours at 50% load (900 W load). In Eco mode, the run time can be extended to 10-12 hours. Guaranteed power supply overnight, no getting up and refuelling of the generator at night.
- 【Ensure Clean Current】: The inverter technology provides more steady power, produces clean power to safely operate and prevent damage to sensitive electronics such as phones, laptops, cameras and other digital devices.
- 【 Intelligent Digital Display Meter】:It can easily monitor the voltage and frequency performance; display the accumulated running time, which is convenient for the maintenance of the generator in the later stage.
£349.99

5 Best Inverter Generators of 2025

Könner & Söhnen KS 5500iEG S portable LPG/petrol inverter generator) Max.power 5500 W, UK Plug Sockets 1x13 A,1x32 A (230 V),2 USB ports,silent inverter generator, dual fuel generator

Champion Power Equipment 3600 Watt Petrol Digital Hybrid Inverter – 224cc Engine, 14 hour run time, Ultra-quiet and light, Clean Power hybrid generator, economy mode to save fuel & surge protection

Champion Power Equipment 92001i 2200 Watt Petrol Portable Inverter Generator - 240V, 79cc Engine, 4.0L - The Mighty Atom - Super Lightweight, True Sine Wave, EZ Start, Ultra Quiet

AIVOLT 1800W Petrol Inverter Generator 4 Stroke 80cc Engine Portable Silent Generator for Camping, Jobsites, Home Use-Pure Sine Wave, Super Lightweight

maXpeedingrods 2300W Portable Inverter Generator 4 Stroke Silent Pure Sine Wave Generator for Camping, Caravan, Motorhome

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