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Does the Z2 support 30W charging?

2017-08-27, 18:18 PM

I been sifting through all the stuff I can find, but I can't find the answer to this.

 

Does the Z2 Force support the full 30W charging or does it max out at 15W(which may be the reason why you gave a 15W charger this time around)?  I am planning to buy a few things along with a couple of chargers and I wanted to know if I should buy the 30W or the 15W.  I don't want to spend extra money if it isn't supported.

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Re: Does the Z2 support 30W charging?

2017-08-27, 19:18 PM

wrote:

I been sifting through all the stuff I can find, but I can't find the answer to this.

 

Does the Z2 Force support the full 30W charging or does it max out at 15W(which may be the reason why you gave a 15W charger this time around)?  I am planning to buy a few things along with a couple of chargers and I wanted to know if I should buy the 30W or the 15W.  I don't want to spend extra money if it isn't supported.


I dont know, but reading specs it appears mobile devices that don't support usb -pd max out at 15W. So i would say skip 30w usb-c.  But, the z2f also supports QC 3 - i am not sure what that max may be. 


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Re: Does the Z2 support 30W charging?

2017-08-27, 19:45 PM

wrote:

 

I dont know, but reading specs it appears mobile devices that don't support usb -pd max out at 15W. So i would say skip 30w usb-c.  But, the z2f also supports QC 3 - i am not sure what that max may be. 

Maximum wattage from a USB 3.1 port(PD2.0) is 20V/5A/100W so it's up to manufacturers to set the limits.  

Quick Charge 3.0 max numbers is 22V/4.6A/101.2W(20V/5A/100W for simplicity).

 

So this is why I was asking as the device itself dictates overall what is needed, but I see 30W devices like the Note 7, and the Original Z Force.

 

When I plug in my 5X I get rapid charging and on my Force I get Turbo charging on my laptop(PD 2.0 with 3.1 cable) and my QC3 chargers.  One of the reasons why looking for more official documentation.  I don't have any other PD charger to look at right now.

 

Edit

Most Quick Charge 3.0 are roughly 25W no higher than 30W depending on brand, but overall throughput is alway set by the thing connected to them.

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Re: Does the Z2 support 30W charging?

2017-08-27, 19:55 PM

Here's what I see when I use a USB 3.1 gen 1 port (USB A to USB C 3.1 gen 2 cable)

 

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  • Message 5 of 23

Re: Does the Z2 support 30W charging?

2017-08-27, 22:50 PM

wrote:

wrote:

 

I dont know, but reading specs it appears mobile devices that don't support usb -pd max out at 15W. So i would say skip 30w usb-c.  But, the z2f also supports QC 3 - i am not sure what that max may be. 

Maximum wattage from a USB 3.1 port(PD2.0) is 20V/5A/100W so it's up to manufacturers to set the limits.  

Quick Charge 3.0 max numbers is 22V/4.6A/101.2W(20V/5A/100W for simplicity).

 

So this is why I was asking as the device itself dictates overall what is needed, but I see 30W devices like the Note 7, and the Original Z Force.

 

When I plug in my 5X I get rapid charging and on my Force I get Turbo charging on my laptop(PD 2.0 with 3.1 cable) and my QC3 chargers.  One of the reasons why looking for more official documentation.  I don't have any other PD charger to look at right now.

 

Edit

Most Quick Charge 3.0 are roughly 25W no higher than 30W depending on brand, but overall throughput is alway set by the thing connected to them.


Most mobile devices though do not implement USB-C PD. They could, but if the batteries are not that large, it probably is not worth the trouble. Even the Z force charger is listed at 5V 5.7A so I am not sure how hit was doing what i was doing. Maybe a limited version of USB-C PD. 

 

QC 3 big advantage over QC 2.0 dynamic voltage adjustment instead of discreet steps. 

 

Here is a good article on the different charging profiles. 

 

http://www.androidauthority.com/usb-type-c-and-3-1-explained-656552/

 

 


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  • Message 6 of 23

Re: Does the Z2 support 30W charging?

2017-08-27, 23:15 PM

wrote:


Most mobile devices though do not implement USB-C PD. They could, but if the batteries are not that large, it probably is not worth the trouble. Even the Z force charger is listed at 5V 5.7A so I am not sure how hit was doing what i was doing. Maybe a limited version of USB-C PD. 

 

QC 3 big advantage over QC 2.0 dynamic voltage adjustment instead of discreet steps. 

 

Here is a good article on the different charging profiles. 

 

http://www.androidauthority.com/usb-type-c-and-3-1-explained-656552/

 

 


There is slightly more than just that.  Devices don't support PD generally because PD requires the VBUS to be untouched and not modified.  However there are ways around it to support both, but often manufacturers will pick the easy route and select the one with better marketing.  If the batteries are not large enough there wouldn't be a point in Quick Charging as well.  

 

The big difference between PD and Quick Charging time is honestly measured in minutes.  My 5X is 2700MaH and uses PD1.0 vs. Z2 Force is 2730 no idea exactly what standard it supports due to the photos above I shared.  They go from 5% to 100% difference in the matter of 10-15 minute difference.  I can see it supporting Both due to the fact my 3.1 Gen 2 port triggers Turbo Charging, and my 3.1 Gen 1 A ports triggers fast charging like it does on my Nexus 5X.

 

One of the BIGGEST advatanges of PD is the fact you can quickly charge your phone WHILE transfering data which I know the Z2 Force does, and none of my QC phones could do.

 

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  • Message 7 of 23

Re: Does the Z2 support 30W charging?

2017-08-28, 7:46 AM

 

Testing I did with Ampere, and the results are listed :

 

USB 3.1 Gen 2 port (3.1 Gen 2 cable) - 3100mA max (Turbo Charging) - AC Charger

Turbo Charger (supplied cable) - 3100mA max (Turbo Charging) - AC Charger

Quick Charge 3.0 (3.1 Gen 2 cable) - 3100mA max (Turbo Charging) - AC Charger

Quick Charge 2.0 (3.1 Gen 2 cable) - 1600mA max (Charging) - AC Charger

USB 3.1 Gen 1 port (3.1 Gen 2 cable) - 900mA (Charging Rapidly) - USB Charger

 

Now I found it weird the last one.  It sees it as a USB Charger, AND doesn't charge as good as the QC2, but is "Charging Rapidly".

Note: I did round to the nearest 100.  I rounded down if it was <80. 

I kind of want to buy the 30W just to see what happens.

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  • Message 8 of 23

Re: Does the Z2 support 30W charging?

2017-08-28, 11:26 AM

wrote:

 

Testing I did with Ampere, and the results are listed :

 

USB 3.1 Gen 2 port (3.1 Gen 2 cable) - 3100mA max (Turbo Charging) - AC Charger

Turbo Charger (supplied cable) - 3100mA max (Turbo Charging) - AC Charger

Quick Charge 3.0 (3.1 Gen 2 cable) - 3100mA max (Turbo Charging) - AC Charger

Quick Charge 2.0 (3.1 Gen 2 cable) - 1600mA max (Charging) - AC Charger

USB 3.1 Gen 1 port (3.1 Gen 2 cable) - 900mA (Charging Rapidly) - USB Charger

 

Now I found it weird the last one.  It sees it as a USB Charger, AND doesn't charge as good as the QC2, but is "Charging Rapidly".

Note: I did round to the nearest 100.  I rounded down if it was <80. 

I kind of want to buy the 30W just to see what happens.


I have been uisng a hardware tester that plugs in inline.  Ampere doesnt show voltage, and that is real magic with these other charging options.  My tester is usb-a so i can only test QC and USB-c 3W chargers.  But i plan to get one that is USB-c PD. 

 

keep in mind that the charging amps will go down as the phone battery gets full. 

 

I bet the QC 2.0 test listed was at 9V


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  • Message 9 of 23

Re: Does the Z2 support 30W charging?

2017-08-28, 13:22 PM

I can tell you it supports QC 3.0. I have a certified Qualcomm QC3.0 charger and it recognizes it as a turbo charger and charges the phone in about 1 hr. 

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  • Message 10 of 23

Re: Does the Z2 support 30W charging?

2017-08-28, 18:30 PM

wrote:

wrote:

 

Testing I did with Ampere, and the results are listed :

 

USB 3.1 Gen 2 port (3.1 Gen 2 cable) - 3100mA max (Turbo Charging) - AC Charger

Turbo Charger (supplied cable) - 3100mA max (Turbo Charging) - AC Charger

Quick Charge 3.0 (3.1 Gen 2 cable) - 3100mA max (Turbo Charging) - AC Charger

Quick Charge 2.0 (3.1 Gen 2 cable) - 1600mA max (Charging) - AC Charger

USB 3.1 Gen 1 port (3.1 Gen 2 cable) - 900mA (Charging Rapidly) - USB Charger

 

Now I found it weird the last one.  It sees it as a USB Charger, AND doesn't charge as good as the QC2, but is "Charging Rapidly".

Note: I did round to the nearest 100.  I rounded down if it was <80. 

I kind of want to buy the 30W just to see what happens.


I have been uisng a hardware tester that plugs in inline.  Ampere doesnt show voltage, and that is real magic with these other charging options.  My tester is usb-a so i can only test QC and USB-c 3W chargers.  But i plan to get one that is USB-c PD. 

 

keep in mind that the charging amps will go down as the phone battery gets full. 

 

I bet the QC 2.0 test listed was at 9V


The thing that throws me off is my laptop USB C port and what it draws, and charges.  IF the device only supports QC I shouldn't be getting those numbers as it only supports PD2.0. So either they are running a hybrid, they support both, or everything tested so far are all inaccurate.

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