Wireless chargers get hot/warm while charging?

Discussion in 'iPhone' started by michael31986, Nov 3, 2017.

  1. michael31986 macrumors 68040

    Jul 11, 2008
    I bought a samsung convertible wireless charger. I was charging my phone and then i picked it up and realized it was warm and so was the charger. is this normal?
  2. geoff5093 macrumors 68020


    Sep 16, 2014
    Dover, NH
    Yes this is normal for wireless charging, as it's not very efficient so a lot of the energy is lost as heat.
  3. michael31986 thread starter macrumors 68040

    Jul 11, 2008
    Ah okay. Wasn’t sure what was too hot.

    I know it’s a Samsung charger but it’s qi.
  4. creativedogmedia macrumors 65816


    Jun 26, 2011
    Where is the wireless chip in the iPhone X? I’m trying to optimize the magnet placement for my in-car holder.
  5. donawalt macrumors 6502


    Sep 10, 2015
    For what it is worth, I have an 8 with the Mophie charging pad, and since iOS 11.1 while it used to get a little warm at times, it does not any more so far. Also, the annoying tone-reconnect sound that would happen intermittently while the phone was charging, like it was reconnecting, has not happened once in 4 days. I find it does not matter where you place the phone as long as the pad charging light comes on and the phone tones (if not set to silent).

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4 November 3, 2017