Will Any QC 4.0 27 watt Charger work with Xiaomi 20 watt Wireless Charger - Xiaomi Mi 9 Questions & Answers

Hi Guys,
Would really like some clarification on whether you can use any Qualcomm QC 4.0 27 watt wired adaptor with the new Xiaomi 20 watt wireless charger
Will you get the advertised speed ?

Nope, QC3 is up to 18W

klanac8901 said:
Nope, QC3 is up to 18W
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Sorry meant quick charge 4.0 adaptor as I have just purchased a razor adaptor that supports QC4.0

It's easy... Just check V x A..
FE: 9V x 2A = 18W

mulkman said:
Sorry meant quick charge 4.0 adaptor as I have just purchased a razor adaptor that supports QC4.0
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I used a dual port anker 30+18w charger, using the 30w usb PD (type c to type c) plugging in to the wireless charger, it charges the phone really fast. I have no tool to measure, but in my opinion, it's almost as fast as using a 18w wired charger.
But....using 27w wired charger for mi 9 is....even faster .
Sent from my MI 9 using Tapatalk

Related

USB-C PD vs Adaptive Fast Charge?

Does anyone happen to know which one charges these phones faster? If I'm not mistaken, Adaptive Fast Charge is basically QC 2.0 right? So wouldn't USB-C PD be faster?
My phone hasn't been shipped yet, otherwise I would test it out myself.
The phone only supports Samsung's Adaptive fast charging, so using a USB-C PD charger won't make a difference.
It also supports Qualcomm Quick Charge 3.0 as fast charging, just like the S8 and S9s.
purchio said:
It also supports Qualcomm Quick Charge 3.0 as fast charging, just like the S8 and S9s.
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Click to collapse
Wrong
purchio said:
It also supports Qualcomm Quick Charge 3.0 as fast charging, just like the S8 and S9s.
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Click to collapse
Nope - Quick Charge 2.0 maybe, but not 3.0.
Wagedroid said:
Wrong
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Devhux said:
Nope - Quick Charge 2.0 maybe, but not 3.0.
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That's a QC 3.0 only powerbank according to it's specs.
Take your own conclusions from that...
It charges as fast as the original wall adapter
purchio said:
That's a QC 3.0 only powerbank according to it's specs.
Take your own conclusions from that...
It charges as fast as the original wall adapter
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Click to collapse
S10 devices only support 2.0. your previous post said it supports 3.0. it does not.
Any charger will charge the phone, but not faster than the specs allow. I can have a 25w charger but my S10 will not take the 25w capacity
Wagedroid said:
S10 devices only support 2.0. your previous post said it supports 3.0. it does not.
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Connect a QC 3.0 charger, see the charging speed, come to this thread again.
go check out the 2000$ Fold, it listed "compatible with qc 2.0".
2000$ phone supports qc 2.0
s10 support qc 3.0 HAHAHAHA
hope you get what i saying ..
purchio said:
Connect a QC 3.0 charger, see the charging speed, come to this thread again.
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Why would I go through all that just to prove what we both already know. You even said it yourself that it charges as fast as wall adapter. Wall adapter that ships with the phone is NOT 3.0, so what are you trying to prove exactly? Wall adapter charges at 2.0 amps.
Please stop misinforming people, it's nothing personal, just trying to state the facts. See attachment
purchio said:
Connect a QC 3.0 charger, see the charging speed, come to this thread again.
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You need to contact Samsung and let them know this, I'm not sure they're even aware of this feature.
chill guys, its cause QC is backward compatible.. so using QC3.0 you will get fast charging up to QC2.0.. not too sure about USB-C PD but i can confirm when using USB-C PD charger, you will get fast charging as well.. not too sure which is faster.. probably the same if the charger can charge up to 15W which is the official max charging speed for S10 btw.
edit: i use the same USB-C PD charger for nintendo switch and S10+
Tel864 said:
You need to contact Samsung and let them know this, I'm not sure they're even aware of this feature.
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Lmao. I'm really hoping they release the 25w in next update. That would make the device perfect for me.
---------- Post added at 12:23 AM ---------- Previous post was at 12:19 AM ----------
hayoungpinkpanda said:
chill guys, its cause QC is backward compatible.. so using QC3.0 you will get fast charging up to QC2.0.. not too sure about USB-C PD but i can confirm when using USB-C PD charger, you will get fast charging as well.. not too sure which is faster.. probably the same if the charger can charge up to 15W which is the official max charging speed for S10 btw.
edit: i use the same USB-C PD charger for nintendo switch and S10+
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I called chief, he said that we were chill, and that the phones charging capabilities was already stated in this thread. Thanks tho
Obviously Quick Charge 3.0 would be backwards compatible with Quick Charge 2.0. There's no such thing as "Quick Charge 3.0 only." If there was, boy would we have a lot of fried/exploded devices as they received more current than they were rated for.
Haha did you guys even look up what QC 2 and QC 3 were? They aren't that much different, just the step size. Both have a max of 18 W. You would need a volt meter to prove the phone was QC 3 compatible, showing it charging at a voltage that was not near 5, 9, or 12 volts. As far as I'm aware, the S10 either charges at 5V with Fast Charging disabled, or at 9 V if fast charging is enabled. That would adhear to the QC 2 spec, not the QC 3 spec, since it can't do voltages between 5 and 9. If the S10 gets an update for 25W charging, I believe it would charge at 12 V. Still, only QC 2 compliant, but not QC 3.
USB-C PD can go up to 100 W. I think 45 W and 90 W for laptops is pretty common. The Huawei P30 Pro can supposedly charge at 40 W.
hayoungpinkpanda said:
chill guys, its cause QC is backward compatible.. so using QC3.0 you will get fast charging up to QC2.0.. not too sure about USB-C PD but i can confirm when using USB-C PD charger, you will get fast charging as well.. not too sure which is faster.. probably the same if the charger can charge up to 15W which is the official max charging speed for S10 btw.
edit: i use the same USB-C PD charger for nintendo switch and S10+
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Click to collapse
Thank you!
Guess they were having a hard time understanding that QC 3.0/2.0/whatever give the fastest charging speeds that S10 can handle.
On my S9 with Nintendo Switch USB-C PD charger I couldn't get 15w, just 10w (aprox. 5v and 2a).
purchio said:
It also supports Qualcomm Quick Charge 3.0 as fast charging, just like the S8 and S9s.
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Click to collapse
I've even quoted my first comment.
Just read what I said: that QC 3.0 charges also give S10 the fastest charging speeds it can handle, NOT QC 3.0 WATTS/SPEED/WHATEVER.
Pretty simple to understand..
Lol retraction at its finest.
"i HavE a qC 4.0 aDapTeR, iT chArGeS mY phOne LiKe A 2.0 aDapTeR"
What did we learn here? Anyone?
purchio said:
On my S9 with Nintendo Switch USB-C PD charger I couldn't get 15w, just 10w (aprox. 5v and 2a).
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Thats likely because you have fast charging disabled. USB-C PD chargers should be capable of charging at 9V 1.67 amps (15W) the same as any QC 2.0 or QC 3.0 or Adaptive Fast Charging capable device. They are just different standards.
Haven't tried using the original charger yet, but my s10 charges on my usb pd capable charger for about 1hr and 20 from 15% to 100%
I'm able to charge up my S10 with a QC. 3.0 power bank and car charger in about the same time as the stock wall charger.
Sent from my SM-G973U using Tapatalk

Does Mi A2 support the new 27W Mi Sonic charger in India?

The indian variant supports QC4+, but the sonic charger has max output of 5V/3A,9v3A etc while the 18W qc3 max output is 5v3A, 9v2A etc.
Output is max 3Amps, so will it charge A2 any faster than the 18W Mi QC3 charger?
Sonic - http://m.store.mi.com/in/item/3192900008#specs
18W QC3 - https://m.store.mi.com/in/item/3192700003
Not sure if the "sonic charger" works faster than an 18w one as I use a 30W Anker PowerPort Atom PD1 that does USB-C PD - My MI A2 charges very quickly with this and it does standard USB-C PD - it also charges by USB C laptop as well.
duxxyuk said:
Not sure if the "sonic charger" works faster than an 18w one as I use a 30W Anker PowerPort Atom PD1 that does USB-C PD - My MI A2 charges very quickly with this and it does standard USB-C PD - it also charges by USB C laptop as well.
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Is your phone indian varient? If not than how to enable qc4+ on global varients . And how much time it takes to charge from 0-100% using anker powerport?

Which USB C Wall Charger Safe for Pixel 4XL

Hi Guys,
Need your advice, which of the below two Wall Charger is "safe" for Pixel 4XL ?
with the power voltage 61W vs 30W difference.
USB Wall Charger, RAVPower 61W Type C PD 3.0 Power Adapter, Dual Port USB C Wall Charger
amazon.com/Charger-RAVPower-Adapter-Compatible-MacBook/dp/B07PLR7T1M?ref_=ast_sto_dp&th=1&psc=1
or
USB C Wall Charger, RAVPower 30W PD 3.0 [GaN Tech] Type C Fast Charging Power Delivery Foldable Adapter,
amazon.com/RAVPower-Charging-Delivery-Foldable-Adapter%EF%BC%8CCompatible/dp/B07T7M2799?ref_=ast_sto_dp&th=1&psc=1
Many Thanks!
rickosw said:
Hi Guys,
Need your advice, which of the below two Wall Charger is "safe" for Pixel 4XL ?
with the power voltage 61W vs 30W difference.
USB Wall Charger, RAVPower 61W Type C PD 3.0 Power Adapter, Dual Port USB C Wall Charger
amazon.com/Charger-RAVPower-Adapter-Compatible-MacBook/dp/B07PLR7T1M?ref_=ast_sto_dp&th=1&psc=1
or
USB C Wall Charger, RAVPower 30W PD 3.0 [GaN Tech] Type C Fast Charging Power Delivery Foldable Adapter,
amazon.com/RAVPower-Charging-Delivery-Foldable-Adapter%EF%BC%8CCompatible/dp/B07T7M2799?ref_=ast_sto_dp&th=1&psc=1
Many Thanks!
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Click to collapse
Either one should be safe. Both list 5v3a however neither have 9v2a so it could be just slightly slower than stock but definitely faster than wireless or an old 5v2a charger.
Sent from my Pixel 4 XL using Tapatalk
Just make sure you have a USB-C complaint cable and you'll be fine.
As long as the voltage is correct, you can send devices more watts than they require. All electrical devices only draw the watts they need. So if your charger supplies 100 watts, but the phone only needs 5 watts, it will only use 5 watts and be perfectly safe.
zetsumeikuro said:
... Just make sure you have a complaint cable ...
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It seems every cable I buy from Amazon is one of those
Any wall charger support PD. I have wall charger 27W but not work good with the Pixel not charge fast
Sent from my Pixel 4 XL using Tapatalk
hello was wonderin if it's safe to use my samsung 45w wall charger to pixel 4 xl?
zetsumeikuro said:
Just make sure you have a USB-C complaint cable and you'll be fine.
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The last 3 pixel models have all had "USB-C complaint cable" issues with fastboot...
Sorry I couldn't help myself. Lol
CyberpodS2 said:
The last 3 pixel models have all had "USB-C complaint cable" issues with fastboot...
Sorry I couldn't help myself. Lol
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Was there another issue besides fastboot not being reconogized when using certain cables and charging safety etc?

BlitzWolf® BW-S12 27W QC4+ QC4.0 QC3.0 PD Type-C Port EU AU USB Charger

Will this charger give the phone the full 27W ? (Like the included 30W Charger?)
https://www.banggood.com/BlitzWolf-...eft-hotproducts__5&ID=533601&cur_warehouse=CN
What is the Cheapest cable that will support that?
Agoz813 said:
Will this charger give the phone the full 27W ? (Like the included 30W Charger?)
https://www.banggood.com/BlitzWolf-...eft-hotproducts__5&ID=533601&cur_warehouse=CN
What is the Cheapest cable that will support that?
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Click to collapse
Charger I think have to be a good brand, I am using Anker quick charge 3, and my Huawei mate book charger and of course xiaomi charger which came with it. My magenatic cable do not super quick charge but it still charges fast, to quick charge I have to plug USB c cable directly to my phone.

Charger for mi note 10

Does anyone know of a good UK charger that would fast charge a Mi note 10. Its 30 Watts (10v 3a) I believe.
Thank you.
_Mecha_ said:
Does anyone know of a good UK charger that would fast charge a Mi note 10. Its 30 Watts (10v 3a) I believe.
Thank you.
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If you can buy Anker quick charge 3, USB c to USB c charger is very fast
I'm a bit puzzled myself regarding the suitable charger for the Mi Note 10.
Xiaomi specs say: "Supports 30 W charging. Packaging includes an 30 W charger"
Well, the phone runs Snapdragon 730G in which specs say: "Qualcomm® Quick Charge™ Technology Support: Qualcomm® Quick Charge™ 4+ technology"
So I'm not sure which charger should I buy.
QuickCharge 4 charger? 30W charger?
Helppppppppp
Help with the charger anyone?
Do I need to buy a QC4 charger?

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