Wireless chargers get hot/warm while charging?

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

  1. michael31986 macrumors 68040

    Joined:
    Jul 11, 2008
    #1
    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

    geoff5093

    Joined:
    Sep 16, 2014
    Location:
    Dover, NH
    #2
    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

    Joined:
    Jul 11, 2008
    #3
    Ah okay. Wasn’t sure what was too hot.

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

    creativedogmedia

    Joined:
    Jun 26, 2011
    #4
    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

    donawalt

    Joined:
    Sep 10, 2015
    #5
    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