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General Battery info

Discussion in 'Android Devices' started by MrBaker22, Oct 10, 2011.

  1. MrBaker22

    MrBaker22 Well-Known Member
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    this could be a silly question so i apologise if it is .....

    in batterycalibration app it reads current charge 42%, 3755mv


    surely the mV should be lower than that if ive only got 42% battery left ?

    any shed some light on this
     

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  2. Slug

    Slug Check six!
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    Batteries always attempt to output a specific voltage, in our case 3.7V. They store chemical energy and convert that to electrical via a reaction. The 42% therefore really refers to how much of that potential energy remains. Even at 1-2% the battery will still output ~3.7V.
     
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