Support yet another battery charging question....

Discussion in 'Android Devices' started by pirate943, Aug 25, 2010.

  1. pirate943

    pirate943 Well-Known Member
    38

    Apr 29, 2010
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    so, i've noticed that when im charging from a usb plugged into the wall my phone charges around 40% faster then when im charging on any of my pcs or my mac. anyone else notice this, or am i crazy?
     

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  2. fortesquieu

    fortesquieu Well-Known Member
    143

    Apr 27, 2010
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    143
    Yes, from your wall, its AC while on your pc/mac, it's USB, much much slower. Usually it's about half of the current of wall output.
     
  3. pirate943

    pirate943 Well-Known Member
    38

    Apr 29, 2010
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    why did this get moved to support and trouble shooting? never said i had a problem or needed help. but what ever.
     
  4. jayjay1122

    jayjay1122 Well-Known Member
    163

    Mar 12, 2010
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    Network Engineering and Data Communications
    I'll be where I'm at!
    +1
    You only get about .5amp (500mA) from a USB port!


    Edit: And that is the high end!
    I would say in general you get about 20% or more charging potential from wall voltage.
     
  5. sabrewings

    sabrewings Well-Known Member
    93

    May 26, 2010
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    Avionics
    More than that. You get double the amperage charging with the OEM charger (1A). USB is painfully slow charging. I don't use anything less than 700mA.
     

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