Develop Bugs

+1.5A Dual Android wall charger?

I recently picked up an Anker dual car charger (link). It has two ports labeled Apple, the other Android. Both ports can supply 2.4A, for a total of 4.8A.
When I charge my phone from the Android side I get very close to 1A, but when I use the Apple side that goes down to around 500mA. To note, I used the same cable and only one port was used while testing. I used Battery Monitor Widget to track the charge rates.
Either side is strong enough to charge our phones, but it would be great if they both charges at full charge rates. So now I am looking for a wall charger and ideally I would like a dual port charger that can charge two Android devices at over 1.5A. I know we can't use 1.5A but it will future proof the chargers for a while, or will work with tablets.

SykesAT said:
I recently picked up an Anker dual car charger (link). It has two ports labeled Apple, the other Android. Both ports can supply 2.4A, for a total of 4.8A.
When I charge my phone from the Android side I get very close to 1A, but when I use the Apple side that goes down to around 500mA. To note, I used the same cable and only one port was used while testing. I used Battery Monitor Widget to track the charge rates.
Either side is strong enough to charge our phones, but it would be great if they both charges at full charge rates. So now I am looking for a wall charger and ideally I would like a dual port charger that can charge two Android devices at over 1.5A. I know we can't use 1.5A but it will future proof the chargers for a while, or will work with tablets.
Click to expand...
Click to collapse
Maybe look at getting a powered USB hub? I know the 2 I have at home can supply more than the 500mA USB2 spec as they've back powered my raspberry pi with a hdd attached before.

from my limited research, apple and android phones use different methods for signaling AC charging.
Android phones like to have the data pins in the USB cable shorted to each other to signal the phone for AC fast charging.
Not sure what Apple does, but it's not the same. That's why there are two different ports on the charger. Android ports have the data pins shorted together.
On a side note, you can also buy "charging only" cables on amazon that do the data pin shorting inside the cable. this may let you use your android phone with the apple labeled USB ports.

ez12a said:
from my limited research, apple and android phones use different methods for signaling AC charging.
Click to expand...
Click to collapse
This is correct. Apple devices want to see some combination of 2V and 2.8V on the data +/- lines to signal wall adapter charging. They do it this way because it allows the charger to tell the device what amperage it's capable of delivering (500mA, 1A or 2A) which is pretty cool.

It's been my impression that even using an charging only cable/adapter an Apple charging port will only give you 500 mA.
For what it's worth I recently emailed Anker about this and they said as much. I don't have an appropriate cable or charger to test it on. But Anker also told me they will be releasing new chargers in December that feature their smart charging port which detects what type of device you've attached (Apple, Samsung or generic Android) and then behaves accordingly. I just ordered one of their external battery packs (Astro3) which has one of these ports for 2.1A plus 2 x 1.5A Android ports. A similar AC charger would be nice if you can wait.

tmagritte said:
It's been my impression that even using an charging only cable/adapter an Apple charging port will only give you 500 mA.
For what it's worth I recently emailed Anker about this and they said as much. I don't have an appropriate cable or charger to test it on. But Anker also told me they will be releasing new chargers in December that feature their smart charging port which detects what type of device you've attached (Apple, Samsung or generic Android) and then behaves accordingly. I just ordered one of their external battery packs (Astro3) which has one of these ports for 2.1A plus 2 x 1.5A Android ports. A similar AC charger would be nice if you can wait.
Click to expand...
Click to collapse
That is great to know. I can live with what I have until they release that charger. thanks.

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http://pages.ebay.com/link/?nav=item.view&id=111292550874
Pretty good deal, imo. Just arriwed, will share my experiences.
Nexus5 X Tapatalk Pro

AUKEY Quick Charge 2.0 & 3.0 5 Ports Wall Charger - Review & Unboxing

AUKEY Quick Charge 2.0 & 3.0 5 Port USB Wall Charger
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Unboxing (QC 2.0 on the left, QC 3.0 on the right)
Luckily I had the oppurtunity to compare both devices, so you’ll see both variants.
Both versions come with an eco-friendly packaging and basic accessories: 1x Micro-USB Cable, 1x Power Plug (mine is an European Version), 1x User Manual, 1x Warranty Card and the Charger (of course).
As regards the Charger, it is made of Plastic, pretty solid but with glossy sides that can be scratched easily, handle it with care. No Chassis differences are there between the two versions, so it makes me think that the only difference is related to the internal motherboard.
There are 5 USB Ports available, and one of them supports Quick Charge (depending on the model you choose, it can be QC 2.0 or QC 3.0). The other USB ports supports Standard 5V output, just with another technology called “AIO” from AUKEY that works on the voltage depending on the attached device. It seems to work pretty fine, without voltage issues. Follow my next paragraph to know more.
As regards the size, this is probably the smaller Multi-Port Charger I have ever tried, super-compact.
Efficiency
All tests have been done using AUKEY’s Cables, in order to get maximum efficiency and to avoid any possible issue.
First of all, I have tested the “AIO” USB Ports using my USB Capacitor (1A/2A), and it is clearly noticeable that there are no issues at all. Stable Voltage.
In order to show you differences between the two Quick Charge versions, I want to show this image (found on the net) first.
So, as you can read, Quick Charge 3.0 uses Dynamic Voltage (starting from 3.2v up to 20v), while Quick Charge 2.0 uses 3 Voltage Steps (5v-9v-12v).
Let’s start with the Quick Charge 3.0 variant, as soon as I have plugged my QC 3.0 power bank, the charger reduced its voltage from 5v to 3.3v, then it gradually increased. At 5V it was able to handle more than 3.5A! That’s even higher than Official Quick Charge spec.
After a while, the voltage increased again, now to 7.24v with 2A load more or less. And so on, up to 12V.
With the Quick Charge 2.0 variant, as soon as I have plugged the power bank, the voltage increased from 5V to 9V, but just for a little while, then it instantly increased to 12V with more or less 1.8A load.
The difference is clearly noticeable, and it is also clear that QC 3.0 version is much more advanced than the previous version. This doesn’t mean that QC 2.0 isn’t good, but it is just different and less efficient.
Conclusions
As always AUKEY accessories are quality-made, efficient and cheap enough. It’s a pity that they choose to use a glossy surface on the sides, but there are no other negative aspects.
So...do I recommend it? If you need to charge multiple devices, and if you have a Quick Charge device, then...Yes. Be careful to choose the right variant depending on your device’s CPU, or just go for the Quick Charge 3.0 variant to avoid mistakes and to be futureproof.
Pros:
- Qualcomm Quick Charge Support
- Compact and Solid
Cons:
- No Power LED
- Useless Glossy Sides
Rating: 8.5
Packaging and Accessories: 7.5
Design and Materials: 8.5
Performance and Efficiency: 9.5
Price: 8.5 (based on Amazon price)
QC 2.0 (PA-T1) Product page: http://www.aukey.com/product/PA-T1
QC 3.0 (PA-T15) Product page: http://www.aukey.com/product/PA-T15
You can find full-res images (I know, Quality isn't excellent) here: http://imgur.com/a/AdU4Y​

I bought the 3.0 version and it's great. It's constantly plugged in, charges all my usb devices (garmin forerunner, lezyne bike led light, smartphone etc) and it doesn't get hot.
Plus it's ready when I replace my phone for something with qualcomm quick charge
Great little charger for a very reasonable price.

PA-T15 Port failed
Hi All, bought one of these though Zapals one of the 5 ports failed 2 weeks after i started using it.
Came complete with AUKEY warranty card in original unopened packaging. Went to AUKEY website for warranty and found out they only provide warranty on items purchased direct from them or through Amazon.
Zapals has a 6 month warranty only and you have to ship the lot back at your expense for them to consider that. I am anm overseas customer so its a cost, inconvenience and disappointment.
Poor service by Aukey i would say.

Quick Charge 3.0 cable

Hi, I'm pretty new to this Quick Charge 3.0 thing,
I was wondering which usb type-c cable you guys recommend? Will any type-C cable work? Does it need to be certified for Quick Charge 3.0 to work with QC3.0?
Thanks

XblackdemonX said:
Hi, I'm pretty new to this Quick Charge 3.0 thing,
I was wondering which usb type-c cable you guys recommend? Will any type-C cable work? Does it need to be certified for Quick Charge 3.0 to work with QC3.0?
Thanks
Click to expand...
Click to collapse
It's actually the power brick that's the most important feature for QC 3.0.

This is the one I'll be getting from Amazon once I get my phone. Definitely need two cables I believe; one for charging and one for data.
Orzly® - New Certified USB 3.0 USB-C to USB-A Male Data & Charging Cable (3A/5V) - For Use With Nexus 5X, Nexus 6P, Lumia 950, Lumia 950 XL and Other Type-C Supported Devices (1M, BLACK)
Click to expand...
Click to collapse
Here's a link to the product page: https://www.amazon.com/dp/B018F8BA0C/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=1OCDOJYDU3RS5&coliid=I2T6808AJ4K5E5&psc=1
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That Orzly is pretty expensive for a 1M cable.I
just received an i-Orange 2M cable from Amazon for 10.49 and the build quality is top notch. It also charges at the same 2950mah as the stock cable, according to Ampere.
https://www.amazon.com/gp/aw/d/B010VFFSL4/ref=ya_aw_od_pi?ie=UTF8&psc=1

I don't need a longer cable and a 1 meter cable is sufficient for me. I am just using it for data transfer but is is also capable of the charging power up to 60W (3A)

I got these, you get three at a decent price.
https://www.amazon.com/AUKEY-USB-C-...F8&qid=1471240582&sr=8-8&keywords=aukey+usb+c

Nibiru2012 said:
I don't need a longer cable and a 1 meter cable is sufficient for me. I am just using it for data transfer but is is also capable of the charging power up to 60W (3A)
Click to expand...
Click to collapse
How are you getting 20v from a USB charger?
Sent from my ZTE A2017U using XDA-Developers mobile app

Cables look good. I'm also trying to find decent quality and price wall adapters (the thing that plugs your usb cable in your wall outlet).
I bought my phone while living in China and they gave a Chinese adapter (of course)...

max1001 said:
How are you getting 20v from a USB charger?
Sent from my ZTE A2017U using XDA-Developers mobile app
Click to expand...
Click to collapse
With a 20v quick charge brick.

max1001 said:
How are you getting 20v from a USB charger?
Click to expand...
Click to collapse
If you would like to read about the technology. Q5 answers quickly but there is much more reading available.
https://www.qualcomm.com/products/snapdragon/quick-charge/faq
QC3.0 varies voltage from like 3.6v (going off memory) up to 20v based on what device needs.

biglilsteve said:
That Orzly is pretty expensive for a 1M cable.I
just received an i-Orange 2M cable from Amazon for 10.49 and the build quality is top notch. It also charges at the same 2950mah as the stock cable, according to Ampere.
https://www.amazon.com/gp/aw/d/B010VFFSL4/ref=ya_aw_od_pi?ie=UTF8&psc=1
Click to expand...
Click to collapse
Thinking of Ordering it. Thanks
But it is apparently only usb2 as far as transferring from computer. Don't our phones support usb3 transfers?
I have an Aukey I bought that does nothing when connected to ac block.

Barsky said:
Thinking of Ordering it. Thanks
But it is apparently only usb2 as far as transferring from computer. Don't our phones support usb3 transfers?
I have an Aukey I bought that does nothing when connected to ac block.
Click to expand...
Click to collapse
yes you want usb 3.0 cables atleast for the ones you are using for data transfer. You can buy some cheaper 2.0 ones you will just use for charging.

I just bought these AUKEY USB-C to USB 3.0 Cable with Durable Nylon [5-Pack 3.3ft*3+6.6ft*1+1ft*1]. It seems like a good price for 5 cables.

XblackdemonX said:
I just bought these AUKEY USB-C to USB 3.0 Cable with Durable Nylon [5-Pack 3.3ft*3+6.6ft*1+1ft*1]. It seems like a good price for 5 cables.
Click to expand...
Click to collapse
I think these are the same as the single 6' cable I bought. It workd for data transfer but wasn't even seen at all when plugged in to charge. Please report your experience. Thanks

max1001 said:
How are you getting 20v from a USB charger?
Sent from my ZTE A2017U using XDA-Developers mobile app
Click to expand...
Click to collapse
The axon 7 included charger only goes upto 12v. (Class A Qualcomm charger)
There are chargers out there that also goto 20v. (Class B QualComm charger)
I am not sure that the axon 7 or any 820 chipset can take 20v. 12V is good enough for me, don't need the extra heat in my phone even for the short period of time.
Class B chargers are designed for Laptops and other devices larger than a Smart phone.

HonestOtter said:
The axon 7 included charger only goes upto 12v. (Class A Qualcomm charger)
There are chargers out there that also goto 20v. (Class B QualComm charger)
I am not sure that the axon 7 or any 820 chipset can take 20v. 12V is good enough for me, don't need the extra heat in my phone even for the short period of time.
Class B chargers are designed for Laptops and other devices larger than a Smart phone.
Click to expand...
Click to collapse
As the voltage goes up with QC, the amp goes down.
9V/2A and 12V/1.67A
You are not going to get 20V/3A to reach 60 watts. Hell, your phone would melt with 60 watts.

I'm looking for a cable that is the same flexibility as the stock ZTE cable, preferably usb 3.1 but definitely QC 3.0 compatiable.

The USB cable had a lot to do with charging your device, quick charge or not. Non-standard USB-C cables can kill your device. I'm sure many of us have heard about Benson Leung and his reviews of USB-C cables. If not, he's a Google engineer that, for some reason, took it upon himself to review USB-C cables and see if they are "safe". Dude killed his Pixel C with a bad cable:
http://www.androidpolice.com/2016/0...ous-on-paper-it-allegedly-fried-his-hardware/
I suggest taking a look at the compiled list of cables and adapters he has reviewed or search for his profile on Amazon. I picked up a few USB 3.0 A-to-C cables by VCE that he reviewed and they work well. They are decently priced too. Suggest getting the 3 pack with a 3.3, 5, and 6.6 ft cable for ~$15.

I ordered this the other day, it's supposed to be approved by the Google Eng. (Benson Leung) who's been going around checking USB C cables.
https://www.amazon.com/gp/product/B01A07CE8S/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Will receive it later today.
Now i'm looking for a nice type-C to type-C cable for data transfer since i have a type-C port on my XPS 15. I looked at some Thunderbolt 3 cables but they're going for around $25+ which seems too high.

gumbyx84 said:
The USB cable had a lot to do with charging your device, quick charge or not. Non-standard USB-C cables can kill your device.
Click to expand...
Click to collapse
Mostly it is crappy chargers that kill your device. A non-spec cable is not too bad if the charger can deliver 3amps reliably (using it as a data cable might not be too great of an idea though) or will gracefully deliver less than that.
And either way, QC3.0 is in clear violation of the USB-c spec so go figure.

S8/S8+ Power Delivery compatible chargers

When I plugged the S8+ into the MacBook 12's PD brick, it shows "cable charging". I thought the S8+ doesn't support PD. Today when I tried to use it with the rMBP USB-C PD brick, it activated Fast Charge. So the S8+ supports PD after all.
My USB-C 5V/3A portable battery and the Pixel XL / 6P bricks can't activate fast charge either.
If you know any other PD chargers that works with the S8/S8+, please share.
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Sent from my SM-G955U using Tapatalk

I can confirm that this Aukey USB C Car Charger with Power Delivery works. I got this for the wife's car for her Pixel, but my S8+ also comes up as fast charging when I connect it.
This reddit post implies that in addition to the QC 2.0 fast charging (and since QC3 and 4 are backwards compatible any QC charger will work) it can also negotiate 5V at 3A over USB-PD, however (non-PD) Type-C USB charging can provide 5V @ 3A so it's more likely it's using that rather than USB-PD per se (though for all intents and purposes the end result is the same with regards S8+ fast charging) as long as the charger provides it.

Ive read that qualcomm 2.0 os basically 3 amps. So in theory any charger that provides 3amp output should work as fast charge

Nice find, thanks for the heads up (and a shame I don't seem to be able to find this one in the UK).
Do bear in mind the phone will draw a maximum 15W (either 9V @ 1.67A over QC2 or 5V @ 3A over USB Type C) even if the charger can provide more.

I assure you that the Flux Charger would be the best portable charger for your S8/S8+. One of my friends uses it for charging on the go. Also it provides fast charging.

How does this differ than Anker QC3 , other than type C;
https://www.amazon.com/dp/B01K9MQ8WW?psc=1

picrthis said:
Thanks for the info, I must admit I don't know much about PD
Click to expand...
Click to collapse
The Wikipedia article on USB, particularly the power section, is worth reading.

Incarniac said:
The Wikipedia article on USB, particularly the power section, is worth reading.
Click to expand...
Click to collapse
So it would seem with my S8+ and the Anker charger I gave the link to, there would be no real advantage switching to this one.........Anker chargers have been my go-to chargers for years, but I always keep an open eye to others

picrthis said:
So it would seem with my S8+ and the Anker charger I gave the link to, there would be no real advantage switching to this one.........Anker chargers have been my go-to chargers for years, but I always keep an open eye to others
Click to expand...
Click to collapse
Yeah, for the S8/S8+ it make no difference in terms of charging:
Incarniac said:
Do bear in mind the phone will draw a maximum 15W (either 9V @ 1.67A over QC2 or 5V @ 3A over USB Type C) even if the charger can provide more.
Click to expand...
Click to collapse
The phone doesn't actually use USB-PD either, but can fast charge using USB Type C, but it's often USB-PD chargers that gives that. USB-PD is more future proof for other devices, but right now there's no need to change your existing QuickCharge chargers or powerbricks.

djhulk2 said:
Ive read that qualcomm 2.0 os basically 3 amps. So in theory any charger that provides 3amp output should work as fast charge
Click to expand...
Click to collapse
Not exactly. With QC 2.0 the power supply can output 5, 9 or 12 volts, the phone will tell it what to output based on the battery level.. so if it's about completely dead it'll ask for 12 volts and as it gets closer to full back off to 5 volts. You need a power adapter that's compliant for that to work.

I received the Trianium charger over the weekend, it does fast charge off the USB-C port. One odd thing I've notice though is if I put my phone in my car mount while the charger has power, it goes into cable charge mode. Unplug and plug the other end back into the charger and it's in quick charge mode. Now if I put the phone in the mount before the charger gets power it works fine.

I recently got myself the AUKEY 27W Dual USB-C Port Car Charger. This is a USB Type C charger (and does not support USB Power Delivery) and with the built-in/attached USB-C cable it fast-charges my S8+ with the 5V at 3A that USB Type C allows for. The other port is a (non-USB-C and non-QuickCharge) USB charging port that can provide up to 2.4A.

dodocool 2-in-1 USB 3.0 Hub and USB Charger with QC 3.0 - Unboxing & Review

dodocool DC33 - 4-Port USB Hub with 3 Charging Ports and Quick Charge 3.0
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Unboxing
The multifunctional USB hub comes in a eco-friendly package with almost no accessories included: 1x USB-to-USB 3.0 Cable, 1x 15/4A Power Adapter (seems to be an high-quality one) with a Power Cord, 1x User Manual and of course the product itself.
The whole body is made of plastic with no glossy parts but it is pretty to scratch (as you can notice), but it feels solid enough and doesn't seem to have any imperfection. It is also pretty lightweight and unfortunately this isn't always positive because it is too easy to move the hub on a smooth surface.
It is 12.96x5.46x2.37mm, pretty common size for this type of HUB. Some ports on the sides would have been nice.
On the front there are 4x USB 3.0 Ports, 1x 5V/2.4A USB Port, 1x Quick Charge 3.0 USB Port, 1x Type-C Port (max 5V/3A) and a simple power LED, while on the back there is everything required to use the device, including a power button.
There is enough space between each port making it compatible even with oversized USB devices.
It is nice to use a single device for two usages (Data Transfer and Charging), but i would have preferred to have switches for each port in order to turn off devices without having to unplug the cable.
Something interesting is that standard USB Ports are usable even without turning on the PC so, theorically, there are 6x USB Ports that can be used for charging, even though this isn't something reported by the manufacturer.
Efficiency and Performance
Starting from the USB Hub, it is Genesis Logic based (not the best unfortunately like VIA chipsets) and, somehow, my PC recognized two hubs, an USB 3.0 HUB (reported as USB 3.1 for some reason) and an USB 2.0 HUB. It it confusing since only the USB 3.0 ports are available, so i guess the board is also used for other models with more ports. Interesting.
Tested using my Sandisk Ultra USB 3.0 Flash Drive, there doesn't seem to any performance issue and the HUB doesn't got hot while using it.
But...most important, does it charge a smartphone/tablet properly? Yes, it does.
Starting from the 5V/2.4A USB Port, its voltage even on high load is stable and doesn't get lower than 5V, reaching 5.12V at 2A load.
Also each standard USB port can handle 2 amps without any issue, but the voltage in idle is a bit too much high.
The Quick Charge 3.0 port works great as well, charging my Power Bank at maximum QC 3.0 speeds without a single voltage drop.
Unfortunately the USB Type-C port doesn't support USB-PD (Power Delivery) and its voltage gets below the 5V barrier under 2A load meaning that i have some doubts about its maximum supported load. Based on my experience, with this result, it gets can't higher than 2.4A.
Conclusions
Having to deal with a Multi-USB Charger and a separate USB HUB on my desk, the possibility to use something that does both things using less space is just great.
What to say about this device...it is useful for users like me that do not have lots of space available plus it also offers an high level of quality.
Unless you need USB-PD or a more powerful Type-C Port, i can recommend this device.
Pros:
- Compact 2-in-1 design
- Quick Charge 3.0 Support
- No Performance Loss compared to a standard HUB
- Powerful
Cons:
- No USB-PD support
- High 5V voltage in idle
- Slightly under-powered Type-C port
Rating: 8.4
Packaging and Accessories: 7.5
Design and Materials: 8
Performance and Efficiency: 9
Price: 9 (based on Amazon price)
Official Product page: http://www.dodocool.com/usb-hubs-1771/p-dc33beu.html
You can find full-res images (I know, Quality isn't excellent) here: https://imgur.com/a/sUp0g​