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How much power does the Hero's battery charger use?

Discussion in 'Android Devices' started by TheAppMan, Feb 21, 2010.

  1. TheAppMan

    TheAppMan Member
    Thread Starter
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    Feb 4, 2010
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    Just read that some mobile phone battery chargers use power, even when there no phone connected to charge up. :eek:

    Does this apply to the charger for the Hero? I currently use a electrical timer switch for the Hero charger, but, am I wasting my time doing that?
     

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  2. antipesto93

    antipesto93 Well-Known Member
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    Feb 4, 2010
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    i dont think the htc charger uses power when there is no phone plugged in, i think its only the huge chargers...like big black box's
    i think its because the htc charger just converts mains power > usb port
     
  3. jev

    jev Well-Known Member
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    Dec 24, 2009
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    Earth
    The charger will use power (a bit) when plugged into the wall socket. Always. The only way to not use power is to unplug it from the socket.
     
  4. daveybaby

    daveybaby Well-Known Member
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    Sep 21, 2009
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    Software engineer
    UK
    Most modern chargers are pretty efficient when theyre not actually charging anything. Just checked mine, and it draws 6W when charging, <1W when the hero is unplugged. Will report back on the draw when it's fully charged.
     
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  5. antipesto93

    antipesto93 Well-Known Member
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    Feb 4, 2010
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    you know using the electircal timer probably uses more electricity than leaving it plugged in
     
  6. TheAppMan

    TheAppMan Member
    Thread Starter
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    Feb 4, 2010
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    Dunno, it runs off its own internal battery.
     
  7. alinver

    alinver Well-Known Member
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    Oct 25, 2009
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    writer/traveller
    Edinburgh Scotland
    Well it's true you really do learn something new every day. Never in a million years would I have guessed that the charger would use electricity, even if it's a tiny amount.

    Al
     
  8. Jaffa

    Jaffa Well-Known Member
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    Nov 16, 2009
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    Electrical Engineer
    Brighton
    Your charger reduces the mains voltage to 5v, basic physics says you can't do this without losing power, even unloaded...ie not connected, the charger still does the volt drop.
     
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