Sealey GI3500
![]() |
Sealey GI3500 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Sealey 2025 - new arrivals, bestsellers, and the most relevant models Sealey.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Sealey 2025 - new arrivals, bestsellers, and the most relevant models Sealey.

How to choose a backup power generatorKey points to consider when choosing your own stand-alone mini-power plant

How to connect the generator to the house: through a socket, a switch and an ATS unitThree Ways to Connect a Backup Power Plant to a Household Power Grid
Buy Sealey GI3500
When you make a purchase through links on our site, we may receive a affiliate commission.
Inverter Generator Sealey GI3500 3500W 230V 4-Stroke EngineSealey GI3500 3500W 230V Inverter Generator Overview The Sealey GI3500 is a powerful and reliable 3500W inverter gen... moreerator designed to deliver clean and stable power suitable for sensitive electrical equipment. Its compact design and portability make it ideal for camping, outdoor events, and backup power for homes and small businesses. Design and Build Quality Constructed with a heavy-duty frame, the GI3500 provides full protection and incorporates carry handles for enhanced portability. The robust design ensures durability and longevity, even in demanding environments. Its compact dimensions (440 x 520 x 470mm) and dry weight of 35.5kg make it easy to transport and store. Key Technologies and Features Clean AC Output: Produces a clean AC current to match the load, making it suitable for running sensitive electrical equipment. Long Running Time: Capable of running up to 8 hours on a full 13L fuel tank, reducing the need for frequent refueling. Dual 230V Sockets: Fitted with two 230V 13A sockets, allowing simultaneous connection of multiple devices. Fuel Efficiency: Increased fuel efficiency compared to standard generators, providing cost-effective operation. Safety Features: Equipped with an oil warning light, overload indicator, and a sight glass to monitor fuel levels, ensuring safe and reliable operation. Specifications Specification Details Continuous Power Rating 3200W Maximum Power Rating 3500W Current Rating 15.2A Fuel Tank Capacity 13 litres Maximum Running Time 8 hours Motor Power 3.5kW Motor Type 4-Stroke Petrol Noise Rating 95dB(A) Dimensions (W x D x H) 440 x 520 x 470mm Net Weight 35.5 kg Performance and User Experience The Sealey GI3500 delivers consistent and clean power, making it suitable for sensitive electronics and appliances. Its long running time and fuel efficiency ensure extended use without frequent interruptions. The inclusion of safety features like the oil warning light and overload indicator provides peace of mind during operation. Users appreciate its portability and ease of use, making it a reliable choice for various power needs. Q&A Section Q: Is the Sealey GI3500 suitable for powering sensitive electronics? A: Yes, the generator produces a clean AC current, making it suitable for running sensitive electrical equipment such as laptops, televisions, and medical devices. Q: How long can the GI3500 run on a full tank of fuel? A: The generator can ExpressTools.co.ukDelivery: in United Kingdom Report | £556.70 | ![]() | |||
Sealey GI3500 Inverter Generator 3500W 230V 4-Stroke EngineHeavy-duty frame provides full protection and incorporates carry handles for portability. Suitable for running sensitive elec... moretrical equipment. Produces a clean AC current to match the load. Long running time - up to 8hrs on a full tank. Fitted with two 230V 13A sockets. Increased fuel efficiency compared to standard generators. Powerful and reliable inverter generator. Features oil warning light overload indicator and sight glass to monitor fuel level.3500W 230V Inverter Generator - 4-Stroke Engine• Heavy-duty frame provides full protection and incorporates carry handles for portability.• Suitable for running sensitive electrical equipment.• Produces a clean AC current to match the load.• Long running time - up to 8hr on a full tank.• Fitted with two 230V 13A sockets.• Increased fuel efficiency compared to standard generators.• Powerful and reliable inverter generator.• Features oil warning light overload indicator and sight glass to monitor fuel level.• Dimensions (W x D x H): 440 x 520 x 470mm.• Noise Rating: 95dB(A).• Continuous/Maxi PowerToolsDirect.comDelivery: in United Kingdom Report | £556.06 | ![]() | |||
Sealey GI3500 Petrol Inverter Generator 4.3kvaHeavy-duty frame provides full protection and incorporates carry handles for portability. Suitable for running sensitive elec... moretrical equipment. Produces a clean AC current to match the load. Long running time - up to 8hrs on a full tank. Fitted with two 230V 13A sockets. Increased fuel efficiency compared to standard generators. Powerful and reliable inverter generator. Features oil warning light, overload indicator and sight glass to monitor fuel level. Features & Benefits: • Heavy-duty frame provides full protection and incorporates carry handles for portability. • Suitable for running sensitive electrical equipment. • Produces a clean AC current to match the load. • Long running time - up to 8hr on a full tank. • Fitted with two 230V 13A sockets. • Increased fuel efficiency compared to standard generators. • Powerful and reliable inverter generator. • Features oil warning light, overload indicator and sight glass to monitor fuel level. • Dimensions (W x D x H): 440 x 520 x 470mm. • Noise Rating: 95dB(A). • Continuous/Maxi Mytoolshed.co.ukDelivery: in United Kingdom Report | £598.95 | ![]() | |||
Sealey GI3500 Petrol Inverter Generator 4.3kvaHeavy-duty frame provides full protection and incorporates carry handles for portability. Suitable for running sensitive elec... moretrical equipment. Produces a clean AC current to match the load. Long running time - up to 8hrs on a full tank. Fitted with two 230V 13A sockets. Increased fuel efficiency compared to standard generators. Powerful and reliable inverter generator. Features oil warning light, overload indicator and sight glass to monitor fuel level. Features & Benefits: • Heavy-duty frame provides full protection and incorporates carry handles for portability. • Suitable for running sensitive electrical equipment. • Produces a clean AC current to match the load. • Long running time - up to 8hr on a full tank. • Fitted with two 230V 13A sockets. • Increased fuel efficiency compared to standard generators. • Powerful and reliable inverter generator. • Features oil warning light, overload indicator and sight glass to monitor fuel level. • Dimensions (W x D x H): 440 x 520 x 470mm. • Noise Rating: 95dB(A). • Continuous/Maxi Tooled-up.comDelivery: to United Kingdom Report | £598.95 | ![]() | |||
Sealey Inverter Generator 3500W 230V 4-stroke Engine GI3500Heavy-duty frame provides full protection and incorporates carry handles for portability. Suitable for running sensitive elec... moretrical equipment. Produces a clean AC current to match the load. Long running time - up to 8hrs on a full tank. Fitted with two 230V 13A sockets. Increased fuel efficiency compared to standard generators. Powerful and reliable inverter generator. Features oil warning light, overload indicator and sight glass to monitor fuel level. Features: • Heavy-duty frame provides full protection and incorporates carry handles for portability • Suitable for running sensitive electrical equipment - ideal for camping • Produces a clean AC current to match the load • Long running time - up to 8hr on a full tank • Fitted with two 230V 13A sockets • Increased fuel efficiency compared to standard generators • Powerful and reliable inverter generator • Features oil warning light, overload indicator and sight glass to monitor fuel level Specifications: Guarantee:1 Year Model Number: GI3500 RobertDyas.co.ukDelivery: in United Kingdom Report | £562.99 | ![]() |
AccessoriesAll accessories for Sealey GI3500 →
We recommendCompare using chart →
from £606.18
maximum 1.8 kW, 230 V, petrol, 4-stroke, tank 4.1 L, sockets 2, output 12V, manual start, soundproof, 555x315x490 mm, 18.5 kg
from £266.62
maximum 2.2 kW, 230 V, petrol, 4-stroke, tank 15 L, sockets 2, manual start, 595x435x425 mm, 37.5 kg
from £408.35
maximum 2.2 kW, petrol, 4-stroke, tank 3.6 L, sockets 2, output 12V, manual start, AVR, 610 x 435 x 460 mm, 36 kg
from £445.98
maximum 2.2 kW, petrol, 4-stroke, tank 15 L, sockets 2, output 12V, manual start, AVR, wheels, 600x450x470 mm, 41 kg
from £1,099.38
maximum 3.5 kW, 230 V, petrol, 4-stroke, tank 8.3 L, sockets 2, output 12V, USB, manual start, wheels, soundproof, hour metre, 590x456x511 mm, 44 kg
from £988.48
maximum 6 kW, petrol, 4-stroke, tank 25 L, sockets 3, output 12V, manual start, AVR, hour metre, 713x541x569 mm, 75.2 kg
from £638.20
maximum 2 kW, 230 V, petrol, 4-stroke, tank 4 L, sockets 2, output 12V, manual start, soundproof, 480x285x390 mm, 21.5 kg
from £830.71
maximum 2.8 kW, 230 V, petrol, 4-stroke, tank 17 L, sockets 2, manual start, AVR, hour metre, 640x526x475 mm, 53 kg
from £4,350.00
maximum 7 kW, 230 V, petrol, 4-stroke, tank 19.2 L, sockets 3, electric starter, proprietary engine, wheels, soundproof, hour metre, 848x700x721 mm, 118.1 kg
from £509.00
maximum 3 kW, 230 V, petrol, 4-stroke, tank 15 L, sockets 2, output 12V, manual start, AVR, hour metre, 580x430x440 mm, 41.5 kg
from £6,649.99
maximum 35 kW, 400 V, diesel, 4-stroke, tank 93 L, electric starter, autostart (ATS), AVR, liquid cooling, proprietary engine, soundproof, hour metre, 2200x950x1320 mm, 990 kg
from £1,430.00
maximum 2.2 kW, 230 V, petrol, 4-stroke, tank 3.6 L, sockets 2, output 12V, manual start, proprietary engine, soundproof, 509x290x425 mm, 21.1 kg