Power supply

  • Background information

    Qi2 – new wireless charging standard brings iPhone and Android together

    by Lorenz Keller

  • Background information

    Three and a half reasons to use disposable batteries

    by Martin Jungfer

  • Guide

    Big powerbank comparison: Three models share the top spot

    by Lorenz Keller

  • Guide

    StandBy on iOS 17 finally makes the iPhone usable in landscape mode

    by Lorenz Keller