Qu-drive USB port phone charging

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This topic contains 6 replies, has 5 voices, and was last updated by Profile photo of [XAP]Bob [XAP]Bob 6 years, 3 months ago.

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  • #45121
    Profile photo of RavyDavy
    RavyDavy
    Participant

    I know it’s probably not the thing to do but I can find no instruction in the user guide to say not to do it. I found that I can charge my phone using the qu-drive USB port. Should I desist from this activity? 😉

    #45122
    Profile photo of dpdan
    dpdan
    Participant

    I would not recommend it, it is possible that the USB port may not be able to supply enough current (amperage) to charge the phone, if something would be damaged, it would be the port supplying the power, not the device taking it.
    At least in the case of a USB port.

    #45123
    Profile photo of RavyDavy
    RavyDavy
    Participant

    Yes I agree, I’m not planning to do this in future but I couldn’t help myself but plug phone in very briefly to see if it charged, Qu-drive is still working BTW! If it is an issue then I guess a warning in the user guide might be a useful addition.

    Cheers,
    David

    #45124
    Profile photo of Andreas
    Andreas
    Moderator

    Normally a USB port should have some sort of overcurrent protection and should provide up to 500mA regularly. The iThings implement a special “protocol” (some resistors, to be specific) to handshake with the host (in this case the Qu) for more current (faster recharge).
    If designed properly (which I somewhat expect from A&H) it should not be a problem to connect an iThing for charging.

    There are several spinning HDDs around which pull more than the allowed 500mA from the USB port and the Qu nicely deals also with those.

    I personally won’t fear to misuse the QuDrive-Port for charging, but some official comment would be nice though.

    #45130
    Profile photo of MarkPAman
    MarkPAman
    Participant

    It does not say in the use manual that you should not use your Qu to hammer in nails either…..

    #45131
    Profile photo of RavyDavy
    RavyDavy
    Participant

    LOL, true!

    #45132
    Profile photo of [XAP]Bob
    [XAP]Bob
    Participant

    I’d be more concerned about the large amount of rf emitted by the phone, and the effect on amps and speakers should you get. Call with the phone that close to the desk (charging or not)

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