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"Ultra" chargerInductive and magnetic - how to charge your smartphone safely

Hauke Schmidt

 · 15.05.2025

The compact ultra is waterproof and can also be used outdoors. The smartphone is held in position magnetically
Photo: Scanstrut
Scanstrut presents the Ultra, a compact, inductive charger for the marine sector, which is waterproof and has a magnetic holder.

The Ultra uses Mag technology, which not only enables wireless charging, but also holds smartphones securely in place. The magnet is said to be so powerful that even larger smartphones can be held firmly in place.

Compact and waterproof charger

The Ultra is the smallest wireless charger in Scanstrut's range. With an output of 15 watts, it ensures fast charging and complies with the Qi2 standard. It is suitable for both 12V and 24V systems and is waterproof to IPX6 standard, ideal for outdoor use. The scratch-resistant glass surface offers additional robustness.

Simple installation

The charger is mounted in a 51-millimetre central hole and secured with double-sided adhesive tape. A large nut secures the installation, which must be accessible from the rear. The minimum installation depth is 43 millimetres. The price is around 160 euros.

Technical data

  • Size of the charging pad: 60.5 mm x 72.6 mm
  • Input voltage: 13-30 V
  • Maximum input current: 2 A
  • Performance: 15 W
  • Power consumption in standby mode: <0,5 W
  • Price: approx. 160 Euro

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Hauke Schmidt

Hauke Schmidt

Test & Technology editor

Hauke Schmidt was born in Hanau, Hesse, in 1974, but moved to the coast at the age of an Opti and grew up sailing dinghies and tall ships. School and semester breaks were used for extensive Baltic Sea cruises. During and after his oceanography studies in Kiel, he took part in various international research trips to tropical and polar regions. The focus was on ocean currents and their influence on climate change. Eventually he was drawn back to his home coast and to YACHT. He completed a traineeship there and has been working as an editor in the Test & Technology department since 2009. His core tasks include equipment and boat testing, as well as practical topics relating to electronics, seamanship and refits. As a passionate DIY enthusiast, he loves to spend his summers on the water with his family and winters working on his boat

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