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USB won't charge Droid

Discussion in 'Prime Audio, Electronics, and Infotainment' started by White 17, Feb 22, 2017.

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  1. White 17

    White 17 Junior Member

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    I am having very little luck charging my phone with the USB port. I think the phone would rather hook up for data transfer than charge the phone. After repeated tries it may decide to charge, and maybe not. Anyone else have this problem and maybe a solution? Another car I have has no problems charging the phone with a USB cable but it is an older model car.

    Guy at Verzion said I should get a 12v port charger.

    Of course the phone is way pre Qi.
     
    #1 White 17, Feb 22, 2017
  2. Samprocat

    Samprocat Active Member

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    You need rapid charger with 1.7 or more amp....and USB is trickle charger that delivers if you have top of the line cable.....0.6-0.7 amp.....just not enough.....
    Anker is one of my best car charger i have used so far

    Posted via the PriusChat mobile app.
     
    #2 Samprocat, Feb 22, 2017
  3. priuscatprimeguy

    priuscatprimeguy Senior Member

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    #3 priuscatprimeguy, Feb 22, 2017
  4. Lee Jay

    Lee Jay Senior Member

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    A 1A charger is fine too, just slower.

    USB 2 data is 0.5A. That will charge slowly if it's off or in sleep, but not if it's in use.
     
    #4 Lee Jay, Feb 22, 2017
  5. priuscatprimeguy

    priuscatprimeguy Senior Member

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    #5 priuscatprimeguy, Feb 22, 2017
  6. fuzzy1

    fuzzy1 Senior Member

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    Definitely. More current availability than that old-version USB port, and no issues with attempted data connections.
     
    #6 fuzzy1, Feb 22, 2017
  7. Optimus PRIME

    Optimus PRIME Active Member

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    I got this same charger for my car as well. It goes pretty well with the RED and Black interior.
     
    #7 Optimus PRIME, Feb 23, 2017
  8. priuscatprimeguy

    priuscatprimeguy Senior Member

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    yup, it's got that red glow when it's powered on:cool:
     
    #8 priuscatprimeguy, Feb 23, 2017
  9. White 17

    White 17 Junior Member

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    Could you link that again I get a different page.

    Looks like the Toyota isn't going to change so my options are a Charge Only USB cord that I didn't know they made or even needed to make. Or a 12 volt adapter plug which looks a lot better than I thought they would. I see a Aukey adapter on Amazon that looks pretty good; anyone tried Aukey?
     
    #9 White 17, Feb 24, 2017
  10. priuscatprimeguy

    priuscatprimeguy Senior Member

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    #10 priuscatprimeguy, Feb 24, 2017
  11. Sam Spade

    Sam Spade Senior Member

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    This will NOT help with the charging; it will just stop the radio from looking for a USB music source.

    P.S. This problem is not unique to Prius or Toyota even. It is very common with recent car models.
     
    #11 Sam Spade, Feb 24, 2017
  12. White 17

    White 17 Junior Member

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    I guess I am down to an adapter for the 12v plug-in.
     
    #12 White 17, Feb 25, 2017
  13. MikeDee

    MikeDee Senior Member

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    Why not? A charge cable will put out 1 amp instead of .5.
     
    #13 MikeDee, Feb 27, 2017
  14. fuzzy1

    fuzzy1 Senior Member

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    The charge cable doesn't provide any current at all. It just conducts whatever the USB port provides.

    If the port is an old standard 0.5A version, then that is all you get, regardless of cable.
     
    #14 fuzzy1, Feb 27, 2017
    Last edited: Feb 27, 2017
  15. Sam Spade

    Sam Spade Senior Member

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    What he said.
     
    #15 Sam Spade, Feb 27, 2017
  16. MikeDee

    MikeDee Senior Member

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    Yes, but is it? The manual gives no specifications on the port. I suspect it can only output a max of 0.5A, but may output more if it acts as a USB charging port.
     
    #16 MikeDee, Feb 28, 2017
  17. Lee Jay

    Lee Jay Senior Member

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    Yes.

    Yeah, it does. It says, it's a USB 2.0 port, which is capable of supplying 5V at 0.5A.
     
    #17 Lee Jay, Feb 28, 2017
  18. MikeDee

    MikeDee Senior Member

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    That may just mean the data transfer rate. I think you're right, but I don't think we can know for sure unless Toyota specifies the output current or it is measured.
     
    #18 MikeDee, Feb 28, 2017
  19. Lee Jay

    Lee Jay Senior Member

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    The USB 2.0 spec only allows for 0.5A to be supplied. If it's USB 2.0, it's 0.5A.
     
    #19 Lee Jay, Feb 28, 2017
  20. fuzzy1

    fuzzy1 Senior Member

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    ... or it may not mean 'just' that.
    In the absence of a Toyota statement to the contrary, we cannot expect more than its USB standard declares.
    USB.org - USB 2.0 Documents

    PriusChat has seen many reports in recent years from folks unable to charge higher current devices from the provided USB port. USB2.0 was never intended to supply these higher current devices. 12V plug-in converters to supply these higher currents are very readily available, at low cost.
     
    #20 fuzzy1, Feb 28, 2017
    Last edited: Feb 28, 2017
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