SWI-TEC

Infinite energy while you sail

The hydrogenerator that produces electricity for your sailboat while sailing

Discover how it works
How it works

Energy while you sail

We convert every nautical mile sailed into real energy for your batteries – without fuel, without noise, and without the engine.

At only 8 kg, it's lightweight, easy to install, and suitable for any boat, day trips, or long sailing voyages.

Adjust the mount angle once... and the Hydro Charger is ready to generate electricity automatically on every voyage.

3 kn
Minimum speed
300W
Maximum power
8 kg
Total weight
The product

Meet the Hydro Charger

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Hydro Charger Universal

Simple yet powerful generator, ideal for both coastal and offshore sailing. Produces electricity from as little as 3 knots.

8 kg
Total weight
90 cm
Length
3 knots
Minimum speed
12V / 24V
Available versions

Delivered ready to install. Includes hydrogenerator, mount, propeller, connector kit, and regulator.

€2,532.53
Export: €2,093.00
Learn more
Comparison

Why Hydro Charger is superior

The only energy source that produces electricity 24/7 while you sail

Solar

Works while sailing
Also works at night
SilentYes
Up to 300W power

Diesel Engine

Works while sailingYes
Also works at nightYes
Silent
No fuel required

Hydro Charger

Works while sailingYes
Also works at nightYes
SilentYes
No fuel requiredYes
Up to 300W powerYes

Perfect combination: Solar during the day + Hydro while sailing = Batteries always at 100%

Real performance

Data measured while sailing

Real test on a Dufour 31 with 12V system

SWI-TEC Hydro Charger Universal

Sailboat Dufour 31 — Battery 12.1–12.8V

Measured amps
Trend line
12A
Max at 7 knots
300W
Peak power
3 kn
Minimum speed
12V
Tested and proven system
Real cases

Proven on all types of passages

Thousands of miles sailed with Hydro Charger

"Batteries always charged. This trip wouldn't have been possible without it."
Tommy East London, South Africa 30,000 miles sailed
"At 5-6 knots it generates enough for fridge, electronics, and autopilot."
Carlos M. Mallorca 8 months of intensive use
"At 6 knots we were generating 200W constantly. The battery never dropped below 80%."
James T. Cornwall, UK Atlantic crossing 2024
"The Hydro Charger + solar panels gives us energy 24/7. We are independent."
Marina & Carlos Ibiza 2 years living aboard
95%
Recommend Hydro Charger
20+
Years on the market
24
Months warranty

Sail without limits

Over 20 years perfecting every detail.
Made in Europe. 24 months warranty.

Complete system: €2,532.53 (Export: €2,093.00)

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