Easy electric start
No pulling required. Turn the key & the 223cc engine fires up
Hyundai 5.5kW / 5500W Inverter Generator, Electric Start, Pure Sine Wave | HY6250SEi
Hyundai 5.5kW / 5500W Inverter Generator, Electric Start, Pure Sine Wave | HY6250SEi
Regular price
£899.99
Sale price
£899.99
Regular price
inc. VAT
£749.99 ex. VAT
Tax included.
Shipping calculated at checkout.
Item available for pre-order — this product will be shipped after
29 June 2026.
Payment methods
Features
5.5kW max pure sine wave output
Safe for laptops, phones, televisions & other sensitive electronics
Low noise & fuel consumption
Runs at reduced engine speed during lighter loads
For both standard appliances & higher-draw equipment
1x 32A socket, 1x 13A BS socket, 1x cigarette lighter
See it in action
Key Specs
Engine
223cc 4-stroke, air-cooled, single-cylinder
Reliable four-stroke engine runs on standard unleaded petrol with low maintenance requirements
Maximum Output
5.5kW / 5500W
Peak power handles motor startup surges from fridges, compressors and pumps
Continuous Output
5.0kW / 5000W
Sustained power rating for ongoing use — size your loads against this figure
Inverter Type
Pure Sine Wave
Clean, stable power safe for laptops, phones, TVs and other sensitive electronics
Run Time (50% Load)
6 hours
Long runtime from the 11L tank at mid load
Noise Level (at 7m) @ 50% Load
65 dBA
Inverter technology runs significantly quieter than a conventional generator of comparable output
Control Panel
1x 32A industrial blue socket, 1x 13A BS socket, 1x cigarette lighter, 3-in-1 digital meter, ECO mode, AC Reset, E-Start
Socket configuration with monitoring and protection features
ECO Mode
Yes
Reduces engine speed when demand drops, reducing noise, increasing engine life and giving better fuel economy
Net Weight
39kg
Comes with wheel kit and handle for easy manoeuvrability
Dimensions (H x W x L)
545 x 590 x 390mm
Assembled dimensions for storage planning
Engine Oil
SAE 10W30 (650ml capacity)
Widely available engine oil — check level before each use
Product Details
Description
High-output 5.5kW inverter power with electric start for large motorhomes and off-grid leisure
Larger motorhomes, twin-axle caravans and off-grid glamping setups can draw more power than a mid-range generator can comfortably handle. The Hyundai HY6250SEi delivers 5.5kW / 5500W maximum output and 5kW / 5000W continuous, giving you the headroom to run a fridge, microwave, lighting and entertainment system without worrying about overload. The 11L tank provides a long run time. Despite the output, the inverter technology still produces pure sine wave electricity, keeping your sensitive electronics safe alongside heavier loads.
Key Benefits
Electric start for instant, reliable ignition
No pulling required. The HY6250SEi features electric start. This is particularly useful in cold weather or for users who find recoil starting difficult. A recoil backup is also fitted.
5kW continuous output for larger leisure setups
With 5.0kW continuous power, the HY6250SEi can run combinations of appliances that smaller inverter generators cannot handle. Power a fridge, microwave, air conditioning unit, lighting and entertainment system at the same time. The 5.5kW peak output handles motor startup surges.
Pure sine wave output despite the high wattage
Even at this output level, the inverter produces clean sine wave power. You can safely connect sensitive electronics alongside heavier loads without risking damage from unstable current.
Large 11L tank for extended running
The 11L fuel tank gives you up to 21.7 hours at light load (10%) and 6 hours at 50% load. ECO mode extends this further by reducing engine speed when demand drops, reducing noise and giving better fuel economy. The 3-in-1 digital meter helps you monitor output and plan refuelling.
Who Is This For?
This generator is ideal for:
Large motorhome owners with high power demands
Glamping and off-grid cabin setups needing serious portable power
Boat owners and marina users with larger power requirements
Motorsport & Equestrian vans and trucks
Allotment holders and rural property owners needing seasonal off-grid power
Anyone with a large off-grid leisure setup who needs to run multiple or larger appliances at once
This generator is NOT ideal for:
Lightweight camping where a smaller, quieter unit would be more practical — consider the HY2350Si
All-day continuous commercial use — this is a seasonal leisure generator, not designed for constant daily operation
What's In The Box
Hyundai inverter generator
Adjustment tools
User manual
Specifications
| Model | HY6250SEi |
| Product Type | Inverter Generator |
| Start Method | Electric Start |
| Maximum Output | 5500W |
| Continuous Output | 5000W |
| Voltage | 230V |
| Frequency | 50Hz |
| Plug Socket Type | 32A and 13A BS UK socket |
| Engine Type | 4-stroke, air-cooled, single-cylinder |
| Engine Size | 223cc |
| Fuel / Power Source | Petrol |
| Fuel Tank Capacity | 11L |
| Engine Oil | SAE 10W30 |
| Engine Oil Capacity | 650ml |
| Control Panel | 1x 32A industrial blue socket, 1x 13A BS socket, 1x cigarette lighter, 3-in-1 digital meter, ECO mode, AC Reset |
| Control Panel | 1x 32A industrial blue socket, 1x 13A BS socket, 1x cigarette lighter, 3-in-1 digital meter, ECO mode, AC Reset, E-Start |
| Inverter Type | Pure Sine Wave |
| Phase | Single |
| ECO Mode | Yes |
| Net Weight | 39kg |
| Gross Weight | 42.2kg |
| Assembled Dimensions (H x W x L) | 545 x 590 x 390mm |
| Package Dimensions (H x W x L) | 572 x 615 x 405mm |
| Warranty (Home) | 3 years |
| Warranty (Commercial) | 1 year |
| Wheel Kit | Yes |
| Run Time @ 10% Load | 21.7 hours |
| Run Time @ 50% Load | 6 hours |
| Fuel Consumption @ 50% Load | Approx. 1.83 L/hr |
| Noise Level db (A) @ 10% Load with 7m | 61 dBA |
| Noise Level db (A) @ 50% Load with 7m | 65 dBA |
| Marked Sound Power Level | 97 dBA |
| CE Sound Power Level (LWA) | 94.8 dBA |
Frequently Asked Questions
What can the Hyundai HY6250SEi power?
The HY6250SEi provides 5.5kW maximum and 5.0kW continuous output. This is enough to run a fridge, microwave, air conditioning, lighting, and multiple device chargers simultaneously. It handles the kind of multi-appliance loads that large motorhomes and off-grid setups demand.
Does the HY6250SEi have an electric start?
Yes. The HY6250SEi features electric start. A recoil start backup is also available if the battery is flat.
How heavy is the HY6250SEi?
The HY6250SEi weighs 39kg (net weight) and 42.2kg with packaging. Comes with a built in wheel and handle for easy manoeuvrability. The dimensions are 545 x 590 x 390mm (H x W x L).
What sockets does the HY6250SEi have?
The HY6250SEi features 1x 32A industrial blue socket, 1x 13A BS socket, 1x cigarette lighter, 3-in-1 digital meter, ECO mode, AC Reset, E-Start. This gives you flexibility for both standard appliances and higher-draw equipment.
What warranty does the Hyundai HY6250SEi come with?
The HY6250SEi comes with a 3 year warranty for home users and 1 year commercial warranty.
What's in the Box
- Hyundai inverter generator
- Adjustment tools
- User manual
Expert Advice
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