Power supply

  • Product test

    170 watts: stylish Shargeek powerbank delivers plenty of performance

    by Lorenz Keller

  • Background information

    The Qi2 charging standard makes Magsafe available for Android

    by Lorenz Keller

  • Guide

    Belkin – how good are these wireless chargers with the new Qi2 standard?

    by Lorenz Keller

  • Guide

    Seven bestsellers compared: which is the best power bank?

    by Lorenz Keller

  • Background information

    An overview of IP codes

    by Martin Jud