/pixelphone/community?hl=en
/pixelphone/community?hl=en
10/12/16
Original Poster
sirnumbskull

Pixel USB A to C charging specs

I was just wondering if anyone knew whether or not a USB A to C cable connected to a USB A charger that can produce 9V at 2a will be able to charge the pixel at the maximum charge rate, or if there's some element that I'm missing as to why the only listed compatible quick chargers are C to C.
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Nathan K.
12/14/16
Nathan K.
No. While there are chargers that can produce 9v on Type-A (QuickCharge 2.0/3.0), the Pixel does not support these technologies. The Pixel uses USB-PD over USB Type-C (5v@3a and 9v@2a profiles).

If you had a Type-A adapter that always output 9v (instead of being "selected" like with QC, or USB-PD), and you attempted connecting that to the Pixel with an A-to-C cable, you would damage or destroy the Pixel phone.

You need to look for chargers that say "USB-Power Delivery", and in the specs have 5v@3a and 9v@(some amps >= 2). Be warned many are not made correctly, and Benson Leung and myself have been campaigning to educate the public and warn them of unsafe cables and chargers.
Daniel Arango
11/2/16
Daniel Arango
there is some missleading information in pixel support google page

"
  • You can charge your Pixel phone with a USB-A power adapter, if you use the USB Type-C to USB-A cable that came with your phone. Your phone will charge more slowly with a USB-A power adapter than with a Type-C power adapter.
"
Jason Stanton
11/2/16
Jason Stanton
Can you clarify why you feel that's misleading Daniel?
You can use the included "USB Type-C to USB-A "Legacy" cable you can still charge on any standard usb charger or computer port. You will charge faster on a "compatible" charger that has a native USB C output.
Based on the USB standards the maximum from a USB Type-A port would be 5v@2.4a (12W) Since that's lower than the 5v/3a or 9v/2a it will be slower. 
Hssphaily
12/13/16
Hssphaily
I just want to confirm (for my peace of mind). I can use QC 2 on my pixel xl without causing damage to the phone, right? I mean aside from slower charging times, can I use my note 4 charger (using the supplied USB a to c cable) to charge the pixel xl? And btw it shows that the phone is charging rapidly using this method.
 
Also,thank you for all your help and feedback, here and on reddit.
powermatt
12/13/16
powermatt
Qualcomm's Quick Charge will not work on a Pixel. The charger will default to a spec-standard current and voltage.

On Monday, December 12, 2016 at 11:10:39 PM UTC-5, Hssphaily wrote:
I just want to confirm (for my peace of mind). I can use QC 2 on my pixel xl without causing damage to the phone, right? I mean aside from slower charging times, can I use my note 4 charger (using the supplied USB a to c cable) to charge the pixel xl? And btw it shows that the phone is charging rapidly using this method.

Also,thank you for all your help and feedback, here and on reddit.

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Daniel Arango
1/31/17
Daniel Arango
I was very very confused...My bad
 
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