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I have seen that Samsung phones can fast charge on both Qualcomm Quick Charge and Samsung Fast Charge adapters.

But I am unclear if you want to charge a HTC/Sony etc Qualcomm 2.0 device if the Samsung Fast Charge chargers will charge the device similarly to a dedicated quick charge 2.0 charger?

  • Re your comment on my now deleted answer -1. Yes, both Qualcomm and fast charging are different but not much 2. Fast charging supports Qualcomm also as you can see on Samsung site. Since it supports both, and it does have Qualcomm certification ( as I recollect), arguments given in the answer were valid. Deleted my answer since it appeared to you that I missed understood the question – beeshyams Feb 27 '17 at 15:40
  • To be fair, I should have clarified this in my answer as well – beeshyams Feb 27 '17 at 15:46
  • I understand that page saying that Samsung fast charge phones will work with both QC chargers and Samsung fast chargers. Where do you see that the fast chargers work with non Samsung QC phones? – Jon Feb 27 '17 at 18:32
  • Elsewhere on the web. But more importantly, once it supports QC charging and is compliant to standard, it has to behave like QC compliant phones in supporting other devices- that's the purpose of standardisation – beeshyams Feb 28 '17 at 1:43
  • My device, Moto X Play uses Turbo Charging but is QC compliant and works on other brand devices to quick charge – beeshyams Feb 28 '17 at 1:50
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Yes, of course.
Samsung Fast Charge is basically an alias for Qualcomm QC 2.0/3.0 (for S7/S7 edge). They are totally compatible with each other.

  • have you tried it? – Jon Feb 26 '17 at 15:01
  • I have a nubia Z9 NX508J using a Samsung S6 edge stock charger. The charger outputs 1.55A @ 8.96V, read with a USB meter. Then I got an ordinary phone and the charger started outputting 0.98A @ 5.11V. That's where my conclusion is drawn from. The QC 3.0 part is what I guess but I think it's true. – iBug Feb 27 '17 at 13:15
  • I see QC goes also does 12V. Fast Charge does 9V. Would your Z9 charge faster with a QC2 charger? – Jon Feb 27 '17 at 15:07
  • It'a bit faster but mu USB meter can't exceed 10V. I suppose it takes 1/6 less time as the 12V charger outputs 1.5A. – iBug Feb 27 '17 at 23:47

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