Reliable 3.3kW Inverter Power for Large Caravans, Motorhomes & Off-Grid Leisure Installations

When a 2kW generator just isn’t enough, stepping up makes all the difference. The Hyundai HY3900Si-EU delivers 3.3kW (3300W) peak and 3kW (3000W) continuous power from its 144cc 4-stroke engine. This power reserve allows you to run a caravan fridge, charge multiple devices, and power lighting with capacity to spare. Its pure sine wave output protects sensitive electronics, while ECO mode optimises consumption when full power is not required. At 21.15kg, it is still easily transportable by a single person.

Plenty of power to run multiple appliances at once

With 3.0kW of continuous power, the HY3900Si-EU handles combinations that smaller generators can’t. Run a fridge, charge your devices, and power lighting simultaneously without worrying about overloads. Ideal for large caravan and motorhome setups.

Pure sine wave output for clean, safe power

Inverter technology produces stable electricity with low harmonic distortion. Connect laptops, TVs, game consoles and other sensitive electronic devices with confidence.

ECO Mode for fuel economy and noise reduction

When drawing less than full load, ECO mode automatically reduces engine speed, decreasing noise and providing better fuel economy. This extends run-time between refuels.

Blue industrial socket for high-draw equipment

The HY3900Si-EU features a EU 16A socket for connecting equipment that draws more than a sta