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Igaro D1 Dynamo USB Power Converter for SON / Schmidt

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Power any USB device using a SON / Schmidt dynamo hub (not included) and an Igaro D1.

- Ultra efficient
- High power support
- Digital dynamo monitoring
- Titanium alloy housing
- IP69 Waterproof
- Lifetime warranty

Efficiency is the most important aspect of a dynamo hub power converter because so little power is available from a 3W dynamo hub. The Igaro D1 outperforms all of its competitors with an outstanding 87% (with typical smartphone) efficiency rating. Being efficient with power results in your devices charging faster. At lesser speed it can be the difference between a device discharging it's battery or having power to function.

The Igaro D1 is crafted from a single piece of titanium of just 70mm (L) x 13mm (W) x 8mm (H) in size. Significantly stronger than plastic, it is designed to withstand falls and knocks from any direction. The bespoke circuitry within the Igaro D1 uses military graded components designed to have a 25 year working life. A wide operating temperature range of -40c to 80c ensures operation in any season.

Each unit is filled with epoxy resin for full IP69 waterproofing against rain and vibration protection against poor road conditions.

Flexible brackets are provided to attach the unit to any tube such as the stem or head tube.

Up to 10W Output

The Igaro D1 supports up to 2A at 5V, however the actual power output is proportional to speed. Power enables at approximately 8kph for 700c wheels and 7kph for 26 inch wheels. High speed charging is available at around 12kph.

Further power is available at higher speed such as on a decent. Devices should be left in to benefit from this (they must support high speed charging - most smartphones and battery packs do).

Remember, the Igaro D1 does not create power - it provides a higher conversion efficiency rate using the power available to it.


The Igaro D1 manages over speed, short circuit and overheat conditions (although with its high efficiency it generates negliable heat during normal riding conditions).

Digital monitoring of the dynamo hub power prevents connected USB devices turning on/off rapidly, which can cause software lockups on digital USB devices.

Single USB Output:

The Igaro D1 has one USB port configured in power adapter mode with gold plated connectors attached to a 30cm high strength cable.

The USB port must be positioned to allow water to run off to the ground. If water collects within the port, electrolysis will eventually dissolve the USB pins rendering the unit inoperable. This port is replaceable at minimal cost and without shortening the cable by sending the unit to Igaro.
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Questions & Answers
If you have any questions ask here or phone 01278 441500 (+44 1278 441500).