£499.00

HYUNDAI Hyundai 3.3kW / 3300W Petrol Inverter Generator, 3.0kW Continuous, Recoil Start, Pure Sine Wave, 16A Industrial Socket Low Noise Power for Caravans & Motorhomes

HY3900Si

Price data last checked 51 day(s) ago - refreshing...

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

It has never been this cheap. We have no record of a lower price.

£499 today · cheaper than every other day in the last 2 months

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 16 days • 16 data points (No recent data available)

Historical
Generating forecast...
£499.00 £474.05 £484.03 £494.01 £503.99 £513.97 £523.95 17 April 2026 20 April 2026 24 April 2026 28 April 2026 02 May 2026

Price Distribution

Price distribution over 16 days • 1 price levels

Days at Price
16 days 0 4 8 12 16 £499 Days at Price

Price Analysis

Most common price: £499 (16 days, 100.0%)

Price range: £499 - £499

Price levels: 1 different prices over 16 days

Key Features

3.3kW Peak / 3.0kW Continuous Output – Mid-range inverter power ideal for larger caravans, motorhomes and off-grid leisure setups running fridges, lighting, TVs and device chargers together.

Pure Sine Wave Safe Power – Clean, stable 230V inverter output protects laptops, televisions, games consoles and other sensitive electronics.

Reliable 144cc 4-Stroke Engine – Air-cooled petrol engine with simple recoil start, designed for dependable seasonal and leisure use.

4L Fuel Tank with ECO Mode – Up to 6.3 hours at 10% load and 3.6 hours at 50% load; ECO mode reduces engine speed for better fuel efficiency and lower noise (67.6 dBA @ 7m).

16A Industrial Socket & Digital Meter – Includes 1x 16A blue socket, 12V DC outlet and 3-in-1 digital display for voltage, frequency and runtime monitoring, plus AC reset protection.

Product Specifications

Barcode

No barcode data available

Similar Products You Might Like

Hyundai 3.3kW / 3300W Petrol Open Frame Inverter Generator, Recoil Start, 3.0kW Continuous, 7.5L Long-Run Tank, Pure Sine Wave
99% match

Hyundai 3.3kW / 3300W Petrol Open Frame Inverter Generator, Recoil Start, 3.0kW Continuous, 7.5L Long-Run Tank, Pure Sine Wave

HYUNDAI

£299.99 02 May 2026
Hyundai 5.5kW / 5500W Petrol Inverter Generator, 5.0kW Continuous Output, Electric Key Start, Pure Sine Wave 230V Power, ECO Mode, Wheel Kit
98% match

Hyundai 5.5kW / 5500W Petrol Inverter Generator, 5.0kW Continuous Output, Electric Key Start, Pure Sine Wave 230V Power, ECO Mode, Wheel Kit

HYUNDAI

£899.99 02 May 2026
Hyundai 2.0kW Petrol Inverter Generator, 1.8kW Continuous Power, Pure Sine Wave, 62dBA Noise, Portable Power for Camping and Caravans
98% match

Hyundai 2.0kW Petrol Inverter Generator, 1.8kW Continuous Power, Pure Sine Wave, 62dBA Noise, Portable Power for Camping and Caravans

HYUNDAI

£329.99 03 May 2026
Hyundai P1 3800W Portable Inverter Generator - Quiet, Compact
98% match

Hyundai P1 3800W Portable Inverter Generator - Quiet, Compact

HYUNDAI

£799.99 11 Feb 2026
Hyundai 2200W / 2.2kW Portable Petrol Inverter Generator – Lightweight, Quiet & Fuel-Efficient Power Source with Pure Sine Wave Output for Camping, Caravans & Outdoor Use
98% match

Hyundai 2200W / 2.2kW Portable Petrol Inverter Generator – Lightweight, Quiet & Fuel-Efficient Power Source with Pure Sine Wave Output for Camping, Caravans & Outdoor Use

HYUNDAI

Out of Stock 31 Jan 2026
maXpeedingrods 2300W Portable Inverter Generator - 4 Stroke
98% match

maXpeedingrods 2300W Portable Inverter Generator - 4 Stroke

maXpeedingrods

£309.99 01 Feb 2026
2000W 2000 Watt Petrol Portable Inverter Generator - 240V, 79.7cc Engine, 4.0L fuel tank, True Sine Wave - UK 3 pin sockets
98% match

2000W 2000 Watt Petrol Portable Inverter Generator - 240V, 79.7cc Engine, 4.0L fuel tank, True Sine Wave - UK 3 pin sockets

Spark

£344.99 20 Jun 2026
Aceup Energy 3400W Silent Inverter Petrol Generator
97% match

Aceup Energy 3400W Silent Inverter Petrol Generator

Aceup Energy

£405.98 16 Jun 2026
Hyundai 4000W / 4.0kW Portable Petrol Inverter Generator – Electric Start & Remote Keyfob, Wheel Kit, Quiet Closed-Case Design with Pure Sine Wave Output for Home Backup, Camping & Caravans
97% match

Hyundai 4000W / 4.0kW Portable Petrol Inverter Generator – Electric Start & Remote Keyfob, Wheel Kit, Quiet Closed-Case Design with Pure Sine Wave Output for Home Backup, Camping & Caravans

HYUNDAI

£769.99 06 Feb 2026
Hyundai 2000W / 2kW Petrol Inverter Generator, Pure Sine Wave Output, Portable Lightweight & Suitcase Style, Low Noise, 3 Year Warranty
97% match

Hyundai 2000W / 2kW Petrol Inverter Generator, Pure Sine Wave Output, Portable Lightweight & Suitcase Style, Low Noise, 3 Year Warranty

HYUNDAI

£470.51 06 Feb 2026
Hyundai 3200W / 3.2kW Petrol Inverter Generator, Pure Sine Wave Output, Lightweight, Quiet with Electric Start, 3 Year Warranty
97% match

Hyundai 3200W / 3.2kW Petrol Inverter Generator, Pure Sine Wave Output, Lightweight, Quiet with Electric Start, 3 Year Warranty

HYUNDAI

Out of Stock 06 Feb 2026
maXpeedingrods 3500W Portable Inverter Generator - Petrol
97% match

maXpeedingrods 3500W Portable Inverter Generator - Petrol

maXpeedingrods

£403.72 31 Jan 2026
Champion 3200 Watt Portable Petrol Generator - 224cc Engine
97% match

Champion 3200 Watt Portable Petrol Generator - 224cc Engine

Champion Power Equipment

£329.99 01 Feb 2026
maXpeedingrods 3500W Portable Inverter Petrol Generator
97% match

maXpeedingrods 3500W Portable Inverter Petrol Generator

maXpeedingrods

£209.99 17 Jun 2026
Hyundai 2200W / 2.2kW Petrol Inverter Generator, Electric Start, Pure Sine Wave Output, Lightweight, Quiet Running with 3 Year Warranty
97% match

Hyundai 2200W / 2.2kW Petrol Inverter Generator, Electric Start, Pure Sine Wave Output, Lightweight, Quiet Running with 3 Year Warranty

HYUNDAI

Out of Stock 05 Feb 2026
Aceup Energy 2000W Portable Inverter Generator - Pure Sine Wave
97% match

Aceup Energy 2000W Portable Inverter Generator - Pure Sine Wave

Aceup Energy

£359.00 19 Jun 2026
Champion Power Equipment 3600 Watt Dual Fuel Digital Hybrid Inverter – 224cc Engine, 18 hour run time, Ultra-Quiet & Light, Clean Power Hybrid Generator, Economy Mode to Save Fuel & Surge Protection
97% match

Champion Power Equipment 3600 Watt Dual Fuel Digital Hybrid Inverter – 224cc Engine, 18 hour run time, Ultra-Quiet & Light, Clean Power Hybrid Generator, Economy Mode to Save Fuel & Surge Protection

Champion Power Equipment

£1,303.99 06 Feb 2026
Hyundai 6600W / 6.6 kW Portable Petrol Inverter Generator – Electric Start & Remote Keyfob, Wheel Kit, Quiet Pure Sine Wave Power for Home & Camping
97% match

Hyundai 6600W / 6.6 kW Portable Petrol Inverter Generator – Electric Start & Remote Keyfob, Wheel Kit, Quiet Pure Sine Wave Power for Home & Camping

HYUNDAI

Out of Stock 02 Jun 2026
Champion Power Equipment's Atom Fusion 3000 Watt Portable Petrol Inverter Generator: The Super Lightweight, Ultra-Quiet Inverter Generator for Clean and Reliable Power Anywhere
97% match

Champion Power Equipment's Atom Fusion 3000 Watt Portable Petrol Inverter Generator: The Super Lightweight, Ultra-Quiet Inverter Generator for Clean and Reliable Power Anywhere

Champion Power Equipment

£649.99 06 Feb 2026
maXpeedingrods 3500W Portable Inverter Generator - Silent
97% match

maXpeedingrods 3500W Portable Inverter Generator - Silent

maXpeedingrods

£599.99 05 Feb 2026
Aceup Energy 3800W Inverter Generator - 223cc Pure Sine Wave
97% match

Aceup Energy 3800W Inverter Generator - 223cc Pure Sine Wave

Aceup Energy

£322.99 19 Jun 2026
maXpeedingrods 2000W Portable Inverter Generator - Petrol
97% match

maXpeedingrods 2000W Portable Inverter Generator - Petrol

maXpeedingrods

£284.97 05 Feb 2026
Draper 95198 Petrol Inverter Generator, 2800W, Blue and Black, One Size
97% match

Draper 95198 Petrol Inverter Generator, 2800W, Blue and Black, One Size

Draper

£628.87 05 Feb 2026
maXpeedingrods 3500W Dual Fuel Petrol Inverter Generator
97% match

maXpeedingrods 3500W Dual Fuel Petrol Inverter Generator

maXpeedingrods

£499.99 06 Feb 2026