Can I Charge My SGN 10+ with My 65w ThinkPad X1 Laptop Charger?

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  brendanm on 06/10/2019 - 15:35

  I assume USB C? If yes, yes you can, I charged my pixel with a Lenovo charger the other day.

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  Helmuth on 06/10/2019 - 16:39

  The smarts for the charge process are in the phone. You're safe.

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  Fysh on 06/10/2019 - 19:01

  Yep I do this every day at work with s8plus and ThinkPad usbc

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  p1 ama on 06/10/2019 - 19:46

  Yes.

  Per title above, can I safely charge my phone with the same cable without frying my phone?

  You can't "fry your phone" with the wrong charger - all USB chargers will be 5V unless requested by your phone. Phone draws as much current as it needs. It will either charge quickly, charge slowly, not charge at all, or fry the charger if you draw more current than it can supply.

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    activ8newbs on 06/10/2019 - 22:18

    Pardon my ignorance, but is this only the case when the mobile phone has PD feature?

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      p1 ama on 06/10/2019 - 22:43

      USB standard will always be 5V with a maximum draw of 0.5A, several iterations and standards have gradually increased that to a maximum draw of 2A. This means the phone can draw 2A and the charger won't blow up. USB-PD has several more extensions, i.e. 9V, 15V and 20V (I think, I don't remember exactly). These higher voltages are available if requested by the device.

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    hamwhisperer on 07/10/2019 - 15:59

    I'm /fairly/ sure you can fry your phone with the wrong charger with the wrong cable….

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      p1 ama on 07/10/2019 - 22:23

      Most people don't know how electricity works. Don't listen to people, use physics to come up with your conclusions. If you don't know the physics, then get some notes from a first year engineering course and familiarise yourself with voltage, current, resistance and some basic circuit analysis.

      The only variable is the voltage of the charging source. The phone will draw as much current as it needs. Therefore correct voltage = correct current ("resistance" is determined by the charging circuitry). V = IR.

      If you use the correct voltage, no problem - the phone will draw as much current as it wants. If it draws too much, it will fry the charger.

      If you do not use the correct voltage, the current supplied will be higher than what the device expects, hence you can fry your device. No USB-based charger will supply anything other than 5V unless requested (as provisioned in the USB-PD standard).

      If you think that you can fry your phone with the wrong cable then you are seriously wrong - unless the cable literally had the incorrect pinout (e.g. voltages across a data line), then there is no way that a cable can fry your phone.

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        hamwhisperer on 08/10/2019 - 06:28

        I think you need to do some reading on USB C

        The initial launch was plagued with frying devices.

        https://www.google.com/amp/s/www.theverge.com/platform/amp/2…

        This is a known thing with USB C. Buy approved charges and cables

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          p1 ama on 08/10/2019 - 15:40

          -1

          @hamwhisperer: If you're going to post a source, at least read the damn article:

          the most recent cable he tested, made by SurjTech, turned out to be "completely miswired" — something he didn't realize until after it "managed to destroy my test equipment,"

          Now read my post above:

          If you think that you can fry your phone with the wrong cable then you are seriously wrong - unless the cable literally had the incorrect pinout (e.g. voltages across a data line), then there is no way that a cable can fry your phone.

          This is exactly what I said…

          Of course a faulty cable can blow up your phone - nobody is denying that. A cable can be faulty regardless of where it was produced or who it was produced by. Yes, I do agree that the probability of obtaining a faulty cable is probably lower for more expensive cables. You can say this about any product though.

          This is a known thing with USB C. Buy approved charges and cables

          This is not a "known thing". What is an "approved" charger and cable? USB is an open standard…

          Again, fair enough if you want to provide commentary, but at least spend some time to learn what you're talking about first. Otherwise, you just sound ignorant peddling what you hear other people say and without any understanding of why "things blow up".

          The only reason I care about this is that misinformation is harmful. At the end of the day, cables are just strands of copper - there is no "magic sauce" that makes some USB-C cable better than some other cable. This is the same nonsense that AV stores used to sprout back in the day to get people to spend hundreds of dollars on "premium speaker cables" or super gold-plated HDMI cables. All of that is nonsense and people only believed it because they blindly read and listened without any understanding of the physics behind it.