Database Develop

The All-in-One Nexus 7 Charger Issues thread

Update 8/9/12:
janedoesmith did a bunch of testing with different charger and cable combinations. http://forum.xda-developers.com/showthread.php?p=29983624#post29983624
Sounds like the most common problem is just cables with micro USB connectors that are too short.
----
There are a handful of threads that are a mish mash of good and bad/non-information. The N7 charger situation is a mess and finding a charger that works well is
almost impossible. It seems the cable you use is important, too.
"Confirmed working" chargers are chargers that work at > 500mA
Confirmed working 3rd party charger/cable combos (Updated 7/30/12):
- OEM Asus charger / $25 / ~1.8A / 3' cable
- HP Touchpad charger / ~$15 / ~1.6A / 6' cable
- Blackberry 1.8A Playbook charger / 1.8A rated / $15 / 6' cable
- Asus Transformer charger model AD827M / $? / 2A / length?
- Nokia AC-10U / 1.2A / $? / 6ft integrated cable
- Blackberry 700mA charger / 700mA rated / $5 / 6' cable
-------------------------------------------------------------
airphoto has noticed the actual micro usb connector is a little longer on the OEM cable than a typical cable. This is the only confirmed physical difference we know about at the moment.
http://forum.xda-developers.com/showpost.php?p=29361415&postcount=19
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Here is my experience:
- Chargers seem to work in 3 different ways: 1) they'll charge at full capacity, 2) they'll charge but slower than they are rated, or 3) they won't charge at all (and the N7 will NOT show a charging icon) (Update: Chargers that don't show a charging icon will actually trickle charge, roughly 5% an hour)
- Shorting the data pins on a charger that doesn't charge at all (#3 above) results in NO CHANGE
- The USB cable you use is important, in what way I'm not sure. Using a cheapo cable I have with the OEM 2A charger results in my N7 charging slow, probably 350ma.
And here are the chargers I've tried with results:
- OEM charger with OEM cable: Charges from 0-100% in about 3 hours
- OEM charger with cheap cable: Charges from 0-100% in 18 hours or worse if the screen is off, drains FASTER than it charges with screen on
- Blackberry 700ma charger (integrated cable): Charges from 0-100% in about 8 hours, which is in line with what you would expect with it's output
- Cellet 1000ma charger with any cable: will not charge at all
- Cellet 1000ma charger with data pins shorted: will not charge at all
- Motorola dual charger (Razr Maxx): Same slow charge as above, about 18 hours to charge fully
In addition, I've used a handful of different brands and types of generic cables. Something is different about the OEM charger but no one (AFAIK) has been able to identify it yet. There is clearly more at play here than the rated charge rate, so if that is your only comment, please keep it out of this thread.

qoncept said:
There are a handful of threads that are a mish mash of good and bad/non-information. The N7 charger situation is a mess and finding a charger that works well is almost impossible. It seems the cable you use is important, too.
Here is my experience:
- Chargers seem to work in 3 different ways: 1) they'll charge at full capacity, 2) they'll charge but slower than they are rated, or 3) they won't charge at all (and the N7 will NOT show a charging icon)
- Shorting the data pins on a charger that doesn't charge at all (#3 above) results in NO CHANGE
- The USB cable you use is important, in what way I'm not sure. Using a cheapo cable I have with the OEM 2A charger results in my N7 charging slow, probably 350ma.
And here are the chargers I've tried with results:
- OEM charger with OEM cable: Charges from 0-100% in about 3 hours
- OEM charger with cheap cable: Charges from 0-100% in 18 hours or worse if the screen is off, drains FASTER than it charges with screen on
- Blackberry 700ma charger (integrated cable): Charges from 0-100% in about 8 hours, which is in line with what you would expect with it's output
- Cellet 1000ma charger with any cable: will not charge at all
- Cellet 1000ma charger with data pins shorted: will not charge at all
- Motorola dual charger (Razr Maxx): Same slow charge as above, about 18 hours to charge fully
In addition, I've used a handful of different brands and types of generic cables. Something is different about the OEM charger but no one (AFAIK) has been able to identify it yet. There is clearly more at play here than the rated charge rate, so if that is your only comment, please keep it out of this thread.
Click to expand...
Click to collapse
The HP Touchpad charger and cable work fine.
Jim

the blackberry 1.8a (folding blades) rapid charger works great. And I understand it's friendly with quite a range of devices. surprisingly the little Nokia 1.2a fast charer works very well. maybe a tiny bit less fast than OEM but acceptable. and can be had for around $5 bucks.

I just ordered one of the cheap USB-to-USB Galaxy Tab 10.1 adapters to test with the Nexus 7 on 2A-rated chargers which don't seem to charge at 'fast' speed.
Cheers,
Kermee

Kermee said:
I just ordered one of the cheap USB-to-USB Galaxy Tab 10.1 adapters to test with the Nexus 7 on 2A-rated chargers which don't seem to charge at 'fast' speed.
Cheers,
Kermee
Click to expand...
Click to collapse
It works fine. It's based on a standard for high amperage charging.
I made my own using a thread in the Galaxy Tab forum.

Asus Transformer charger for my TF101 uses Model AD827M charger that puts out [email protected] or [email protected] and works great. Fast and small.....
StevieJake

OEM Charger and Cable - About 1-2 hours. Its was only 3 on my first charge

I personally is having problem with OEM charger and cable not charging my N7 at all (shows 'No charge'). May be a faulty battery or something but I'll deal with google later.
Anyways, as related to your "clearly more at play", have you ever heard of the Apple charger mystery? At first people were wondering why some chargers work and some don't. Apparently, Apple chargers actually send voltage down the data line, which you would think no device would draw power on. What happens is that when the data line is at certain voltage, the i devices will read that as connect to power adapter, connect to computer, etc. Therefore, aftermarket chargers that only supply power on the usb power lines are not recognized as valid chargers.
So, with that in mind, maybe N7 is looking for the same thing in the data line coming from the charger. Maybe. And if you use a usb cable that's purely for charging, i.e. no data line at all, then it won't recognize it. Just a guess.
can't post url, but google "ladyada minty boost charge" and you'll see a result on "the mystery of apple device charging"

jmdearras said:
The HP Touchpad charger and cable work fine.
Jim
Click to expand...
Click to collapse
This. I bought a spare one form hhgreg for $10 and it works great.

I have been using the kindle fire charger because it has a long cable. 2ah and charges just as gas as the OEM 2ah charger
Sent from my HTC Sensation using xda premium

jmdearras said:
The HP Touchpad charger and cable work fine.
Jim
Click to expand...
Click to collapse
How long did it take to charge the N7 with this?

I'm having issues with my OEM charger/cable.
I used the tablet until it shut itself off. Plugged it in overnight. 9 hours later and the thing had charged 10 percent! (Tablet was off and showing charging icon, but it only moved up one tic in 9 hours)
I decided to try my Galaxy Nexus charger. About 5 hours later, I had a fully charged Nexus 7.
I'm hoping it's an issue with the OEM charger/cable, because otherwise my Nexus 7 is flawless and I don't want to do a full exchange. Hoping Google will let me swap chargers out

When I'm at my desk I use the usb cable from my Logitech k800 wireless keyboard...charges on the slow side but it does charge...also havent had any issues using it to transfer data.

Is there an app that will show the rate at which the battery is charging?
I'd like to try a few charger/cable combination I have lying around.

I haven't tried it but check this out: https://play.google.com/store/apps/...2ZXJ0aWZvcm0uYW5kcm9pZC5hcHAuYmF0dGVyeXNweSJd

qoncept said:
I haven't tried it but check this out: https://play.google.com/store/apps/...2ZXJ0aWZvcm0uYW5kcm9pZC5hcHAuYmF0dGVyeXNweSJd
Click to expand...
Click to collapse
I'm also having issues with the stock charger not charging the battery.
I'm exchanging the device tomorrow.

Just called Google up, and after a bit of back and forth, apparently I cannot get an exchange on JUST the charger. I have to RMA the entire thing, which I was hoping to avoid because the tablet itself is perfect. Oh well. My replacement order is in. I just hope there are no issues with the replacement tablet.

FYI the AT&T retail car charger (slimline, dual 2A for "phones and tablets") charges my sgs3, original gtab, etc fast but doesn't charge the n7 at all.
I haven't tested with the factory N7 cable yet, I'll do that this afternoon but I don't expect it to make a difference.

The charger issue to me seems to be the cables, the micro usb for the N7 is longer than a normal micro usb.
Sent from my Nexus S 4G using Tapatalk 2

airphoto said:
The charger issue to me seems to be the cables, the micro usb for the N7 is longer than a normal micro usb.
Sent from my Nexus S 4G using Tapatalk 2
Click to expand...
Click to collapse
Oy. Now I've seen it all. What a douchebag move.

USB vs AC charging

With my previous phone (Samsung Galaxy S2) you could make the phone think it was connected with an AC charger by shortening the two middle usb pins. This would make the phone charge with 1000mA instead of 500mA.
But somehow HTC uses a different approach. I shortened the two middle pins of my car charger, but the phone still 'knows' it's on a usb charger. So the middle pin tric is not working on the HTC One. Does anybody know how to make the phone think it's on a AC charger, and therefore being charged with 1000mA instead of 500mA?
I'm using this charger: http://www.hamaholst.nl/NL/29207/ipad-gen1-2-3-mini-autolader-5v-21a.html

IMO it is a bit silly shorting out pins. But it's your device you can do what you like.

shadowboy23 said:
IMO it is a bit silly shorting out pins. But it's your device you can do what you like.
Click to expand...
Click to collapse
Just to be clear, I shortened the pins of the car charger, not the pins of the phone.
This has already been done with many other phones (shortening the two data pins) but on the One it does not work, the phone still says USB charging...

-oeps-

I took an AC charger apart, and guess what, the two middle usb pins are shortened!
So what else tells the phone whether it's on an AC or USB Charger???
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why would you want to do this?

Bart1981 said:
I took an AC charger apart, and guess what, the two middle usb pins are shortened!
So what else tells the phone whether it's on an AC or USB Charger???
Click to expand...
Click to collapse
Not entirely sure but perhaps the AC or DC would be what indicates it.

pfout said:
why would you want to do this?
Click to expand...
Click to collapse
..to speed up usb charging
Sent from my HTC One using xda app-developers app

pfout said:
why would you want to do this?
Click to expand...
Click to collapse
To prevent the phone from draining while using navigation software. That's why
Sent from my HTC One using xda premium

Bart1981 said:
To prevent the phone from draining while using navigation software. That's why
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
That charger would charge at 1amp either way. If your battery charge is high, nothing you do short of enabling Fast Charge will charge more than 500mAh even on AC. That's just how the battery works. From 0% to about 80%, it charges at 1amp, and when it touches 80%, even on an AC charger from the wall it will drop to 500mAh.

ArmedandDangerous said:
That charger would charge at 1amp either way. If your battery charge is high, nothing you do short of enabling Fast Charge will charge more than 500mAh even on AC. That's just how the battery works. From 0% to about 80%, it charges at 1amp, and when it touches 80%, even on an AC charger from the wall it will drop to 500mAh.
Click to expand...
Click to collapse
Yeah I read that. But as long as my car charger is recognised as an usb charger instead of an ac charger, it will never charge with 1A, even if the battery level is below the 80%
Sent from my HTC One using xda premium

Bart1981 said:
Yeah I read that. But as long as my car charger is recognised as an usb charger instead of an ac charger, it will never charge with 1A, even if the battery level is below the 80%
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
Sometimes it's the cable that needs changing. I've had perfectly good USB cables that would only charge at 500mAh and couldn't transfer data. The thicker ones are usually good for full 1amp charging

ArmedandDangerous said:
Sometimes it's the cable that needs changing. I've had perfectly good USB cables that would only charge at 500mAh and couldn't transfer data. The thicker ones are usually good for full 1amp charging
Click to expand...
Click to collapse
Tried different cables. This is not a new thing, with the galaxy S2 it was the same story. Some car chargers are just recognised as usb chargers. And when the phone detects the usb charger/computer charge is switches to the 500mAh max charge
Sent from my HTC One using xda premium

have you tried using the official USB cable for the car that comes with HTC's Car Kit? in my experience that seems to charge my phone pretty fast

sieg131 said:
have you tried using the official USB cable for the car that comes with HTC's Car Kit? in my experience that seems to charge my phone pretty fast
Click to expand...
Click to collapse
Nope, tried offcial charging cables from Nokia and Samsung. I don't have the official HTC carkit cable.

Bart1981 said:
Nope, tried official charging cables from Nokia and Samsung. I don't have the official HTC carkit cable.
Click to expand...
Click to collapse
yeah it's different than other cables, auto turns on car mode too.

sieg131 said:
yeah it's different than other cables, auto turns on car mode too.
Click to expand...
Click to collapse
That's true. But to be honest, I don't really need the auto mode, just need the higher mA to charge my phone while navigating
Offcourse I can also buy the official HTC CC C220 for about 10 euro's, but I would like to use my pico charger instead of a large charger... But looks like it's not gonna work out

So I guess the solution to this is that you need a USB cable that tells your phone it's an AC charger..

Turbo Car Charger

I was wondering if anyone knows if there is a turbo car charger or if they r going to be coming out with one.
Sent from my Droid Turbo

jhnnyblze2000 said:
I was wondering if anyone knows if there is a turbo car charger or if they r going to be coming out with one.
Sent from my Droid Turbo
Click to expand...
Click to collapse
Supposedly there is on Amazon. Let me post the link
---------- Post added at 05:00 PM ---------- Previous post was at 04:59 PM ----------
PowerDigital 15.5W / 3.1Amps High Output Turbo Charge Dual USB Port... http://www.amazon.com/dp/B00GN8JJB4/ref=cm_sw_r_udp_awd_9Bbwub0BS1PH8

This is the only one that I've found that claims to be Qualcomm Quick Charge 2.0 compatible. Kind of pricey. I'm waiting for more to come on the market, and hopefully drive the price down:
http://amzn.com/B00NDEMAJO
jhnnyblze2000 said:
I was wondering if anyone knows if there is a turbo car charger or if they r going to be coming out with one.
Sent from my Droid Turbo
Click to expand...
Click to collapse

https://www.qualcomm.com/products/snapdragon/quick-charge
This page has a list of compatible chargers wall and car

http://www.verizonwireless.com/acce...er-with-fast-charge-technology-for-micro-usb/

bmtbandit said:
http://www.verizonwireless.com/acce...er-with-fast-charge-technology-for-micro-usb/
Click to expand...
Click to collapse
I'm going to pick one of those up after work today. I already called and have one on hold.
Thanks

I can confirm that the Verizon one linked above me does activate quick charge. I haven't used it other than testing but it did get the same notification I get with the turbo charger.

The Verizon car charger works. I have it and works just as good, if not better, than the turbo wall charger. Loving it.

1358
Monoprice has a fast charger available. I have used several of them over the years without problems.

mobrules777 said:
Monoprice has a fast charger available. I have used several of them over the years without problems.
Click to expand...
Click to collapse
Link? Just looked through their chargers and not seeing quick chargers.

The Powermod one is $20 on Amazon right now. Damn good deal.

veloct said:
The Powermod one is $20 on Amazon right now. Damn good deal.
Click to expand...
Click to collapse
Damn... 7 bucks shipping kills it. I'm going wait a little longer till some of these charges are offered with prime.

Well, it's not a turbo charger, but I'm gonna keep using my techmatte car charger that I've been using for two phones now. Charges pretty quickly, I have no reason to upgrade.

Would a 12v to 110v power inverter not work just as well?

economical TURBO 2.0 car chargers
$10
TechMatte Quick Charge 2.0 Adaptive Fast Charger (With Cable) (Black)
http://www.amazon.com/Charger-TechM...sbs_107_3?ie=UTF8&refRID=1P0HW382F7MJBPJK4C9T
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____________
I just bought this one below...
Here's a dual port Turbo car charger. Will work on non-turbo charge devices too. Won't burn them out. Downgrades automatically. They all do.
Extsud® Qualcomm Quick Charge 2.0 USB Intelligent Car Charger With Two USB Turbo Ports (36W)
$15.99
http://www.amazon.com/gp/product/B00XJ7OTS0?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00
This charger seems to be sold under different brand names, like Extsud, Ivoler. Seems to be the same device, so this is the least expensive price I found. Here's the Ivoler below, a few dollars more, but seems to be the same thing -- except it comes with a USB cable. I have plenty of those already!
iVoler Adaptive Fast Qualcomm Dual Port Car Charger (with cable)
$18.97
http://www.amazon.com/Charger-iVole...ords=Qualcomm®+Quick+Charge+2.0+car+dual+port
Be careful! Some "dual port" car chargers have only ONE Turbo (Qualcomm 2.0) port, and the other is a regular port. Why? 2.0 technology is backwards compatible, will not hurt non-2.0 devices. So, silly for a dual port car charger being advertised as "2.0" to have only one actual 2.0 port in many cases. Read the descriptions carefully!
Both these (same device under two different brand names) does have TWO Turbo (Qualcomm 2.0) ports!

Motorola TurboPower Car Charger
I prefer the slim profile car chargers. Motorola just released one for $30...charger and cable...
I'd post links and photo but forum rules require >10 posts.

Someone tested this?
http://www.rockphone.hk/?show-113-1.html

I ended up with Auky Quick Charge 2.0 30W 2 Ports USB Car Charger Adapter and highly recommend it. Pretty low profile, two charging ports (one which is quick charge), reputable and relatively cheap ($17 currently).
http://www.amazon.com/Qualcomm-Certified-Aukey-Charger-Included/dp/B00LJT2EPK

timofcourse said:
I ended up with Auky Quick Charge 2.0 30W 2 Ports USB Car Charger Adapter and highly recommend it. Pretty low profile, two charging ports (one which is quick charge), reputable and relatively cheap ($17 currently).
http://www.amazon.com/Qualcomm-Certified-Aukey-Charger-Included/dp/B00LJT2EPK
Click to expand...
Click to collapse
I guess I don't understand why you bought a dual port charger inferior to the one below and more expensive.
I specifically hate the dual port chargers that only come with one Quick Charge port. That makes NO sense. Both ports should be Quick Charge or nothing.
The one below has TWO Quick Charge ports, so no need to much around trying to figure out which is which. And the ports safely downgrade if it's not a Quick Charge device. You can charge a simple flip phone if you want.
And it costs less money.
Soon, all devices will be Quick Charge so you will need both to be Quick Charge anyway... When my wife rides in the car we both charge our Quark phones.
But again, if you plug a non-Quick Charge device into a Quick Charge port, it still charges just fine. So, no need to EVER buy a non-Quick Charge charger again.
ChazzMatt said:
____________
I just bought this one below...
Here's a dual port Turbo car charger. Will work on non-turbo charge devices too. Won't burn them out. Downgrades automatically. They all do.
Extsud® Qualcomm Quick Charge 2.0 USB Intelligent Car Charger With Two USB Turbo Ports (36W)
$15.99
http://www.amazon.com/gp/product/B00XJ7OTS0?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00
This charger seems to be sold under different brand names, like Extsud, Ivoler. Seems to be the same device, so this is the least expensive price I found. Here's the Ivoler below, a few dollars more, but seems to be the same thing -- except it comes with a USB cable. I have plenty of those already!
iVoler Adaptive Fast Qualcomm Dual Port Car Charger (with cable)
$18.97
http://www.amazon.com/Charger-iVole...ords=Qualcomm®+Quick+Charge+2.0+car+dual+port
Be careful! Some "dual port" car chargers have only ONE Turbo (Qualcomm 2.0) port, and the other is a regular port. Why? 2.0 technology is backwards compatible, will not hurt non-2.0 devices. So, silly for a dual port car charger being advertised as "2.0" to have only one actual 2.0 port in many cases. Read the descriptions carefully!
Both these (same device under two different brand names) does have TWO Turbo (Qualcomm 2.0) ports!
Click to expand...
Click to collapse

ChazzMatt said:
I guess I don't understand why you bought a dual port charger inferior to the one below and more expensive.
I specifically hate the dual port chargers that only come with one Quick Charge port. That makes NO sense. Both ports should be Quick Charge or nothing.
The one below has TWO Quick Charge ports, so no need to much around trying to figure out which is which. And the ports safely downgrade if it's not a Quick Charge device. You can charge a simple flip phone if you want.
And it costs less money.
Soon, all devices will be Quick Charge so you will need both to be Quick Charge anyway... When my wife rides in the car we both charge our Quark phones.
But again, if you plug a non-Quick Charge device into a Quick Charge port, it still charges just fine. So, no need to EVER buy a non-Quick Charge charger again.
Click to expand...
Click to collapse
Damn. I wish I would have seen this before I bought the other one. Oh well. I bought a Qi charging car dock anyway, so I can have that plugged into the regular port and plug the phone into the quick charge port if needed.

USB-C Charger replacement options?

I bought a Nexus 5x from the USA, but I live in the UK. I will therefore need to replace the wall charger when it arrives.
For my old Nexus 5 I use an iPad charger. This is fast, and adaptable, since I travel a lot, I can switch the figure of 8 input on the iPad charger to whatever country I am in, and it allows me to carry only one charger and switch between Nexus and iPad charging.
I realise that the old iPad charger will be quite slow to charge my new nexus 5x. I would like a replacement that is at least as dependable as my iPad charger, but with the usb-c standard. The perfect charger would have swappable plugs, like the iPad, with a usb-c AND standard usb 2/3 ports.
Any ideas?

Nobody found an alternative to this yet? Is it at least possible to buy a standard, genuine, nexus 5x charger with a uk plug?

Can't you just use an outlet adapter?
Sent from my Nexus 5X using Tapatalk

I now have my US plug and a clumsy US->UK adapter. Not the perfect solution:
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I assume that a host of USB-C plugs will come out in the next few months. I am still craving that Apple charger functionality.

I ordered Googles charger, its compact and has a long/slim cable. Recommended!
I have the eu-plug but it should be available in UK model...

I only bought and adapter
Well, I had a Moto X 2014 with quick charger and I lost it, so my replacement was the 5X. In order to keep my previous chargers I bought a micro usb -> Usb C adapter. It's works pretty well for both charging and data transfer and isn't that expensive and you can still use your previous charger.
http://www.amazon.es/gp/product/B018AM74KI?psc=1&redirect=true&ref_=oh_aui_detailpage_o03_s00
Remember that the OEM charger has an output of 3.0A so you might use a big charger, like the one of an IPAD or S6.

Chuliander said:
Well, I had a Moto X 2014 with quick charger and I lost it, so my replacement was the 5X. In order to keep my previous chargers I bought a micro usb -> Usb C adapter. It's works pretty well for both charging and data transfer and isn't that expensive and you can still use your previous charger.
http://www.amazon.es/gp/product/B018AM74KI?psc=1&redirect=true&ref_=oh_aui_detailpage_o03_s00
Remember that the OEM charger has an output of 3.0A so you might use a big charger, like the one of an IPAD or S6.
Click to expand...
Click to collapse
From what I understand though, the old USB formats are not capable of delivering 3.0A. It has to be USB-C. Adapters will turn your charge to 2.5A maximum.
I might be wrong, but have read a few things that suggest this. With my official Google charger I can charge my Nexus 5x fully in about 30 minutes.

therourke said:
From what I understand though, the old USB formats are not capable of delivering 3.0A. It has to be USB-C. Adapters will turn your charge to 2.5A maximum.
I might be wrong, but have read a few things that suggest this. With my official Google charger I can charge my Nexus 5x fully in about 30 minutes.
Click to expand...
Click to collapse
I believe you are right, it might not charge at 3.0 A, but it did a good job with my 2.4A Aukey charger. I didn't measure the charging time, but it's aceptable. I can run some tests if your are still interest.
http://www.amazon.es/gp/product/B0116ZQ9J8?psc=1&redirect=true&ref_=oh_aui_search_detailpage

Chuliander said:
I believe you are right, it might not charge at 3.0 A, but it did a good job with my 2.4A Aukey charger. I didn't measure the charging time, but it's aceptable. I can run some tests if your are still interest.
http://www.amazon.es/gp/product/B0116ZQ9J8?psc=1&redirect=true&ref_=oh_aui_search_detailpage
Click to expand...
Click to collapse
I eventually went for the official Google wired charger. My multi-function figure of 8 USB-c charger dreams will have to wait.

You can just get a USB C adapter that will let you use your old phone cables - http://www.amazon.com/TechMatte-Con...&qid=1452787474&sr=8-3&keywords=usb+c+adapter

dianestory2 said:
You can just get a USB C adapter that will let you use your old phone cables - http://www.amazon.com/TechMatte-Con...&qid=1452787474&sr=8-3&keywords=usb+c+adapter
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Click to collapse
No. This will only charge at old USB ampage (and therefore speed).

I'm curious if anyone has tried these likely fake 5V/3A chargers from ebay?
e.g. Genuine 5V/3A Fast Charger AC Wall Adapter Type C Cable F LG Nexus 5X H791 H790

envoi79 said:
I think you need this one:
Search B019C23ZGW on amazon(dot)com
Sorry new users can't post links ))
Click to expand...
Click to collapse
That looks great except.... I live in the UK.
My perfect charger would be something like this, but with a modular plug - like the Apple chargers - with a figure of 8 input compatible with these.

http://www.amazon.com/gp/product/B01A8V6RI4?psc=1&redirect=true&ref_=oh_aui_detailpage_o05_s00
this one's pretty good (just don't charge 3 devices at once)

search for Choetech on Amazon UK

I'm in the same/similar boat as I've got a nexus 5x with the wrong country's charger-type - With the little adapter-things that just change the plug on the older micro-USB cables, is there a danger of cheap ones such as this http://www.ebay.com/itm/Portable-Mi...333069?hash=item2ca48e09cd:g:LDgAAOSwFGNWSUtf damaging the charger into which it is plugged, or worse yet the actual phone? What would be the cheapest *safe* cable which would charge the nexus 5x off any standard USB A port (ie. older chargers or a computer) (even at slower speed) as I have a lot of older chargers around and like to keep them at a few places so getting one cable is the best way to do this.

apopberz said:
I'm in the same/similar boat as I've got a nexus 5x with the wrong country's charger-type - With the little adapter-things that just change the plug on the older micro-USB cables, is there a danger of cheap ones such as this http://www.ebay.com/itm/Portable-Mi...333069?hash=item2ca48e09cd:g:LDgAAOSwFGNWSUtf damaging the charger into which it is plugged, or worse yet the actual phone? What would be the cheapest *safe* cable which would charge the nexus 5x off any standard USB A port (ie. older chargers or a computer) (even at slower speed) as I have a lot of older chargers around and like to keep them at a few places so getting one cable is the best way to do this.
Click to expand...
Click to collapse
Here's the cheapest Benson approved cable:
http://www.amazon.com/CHOETECH-Hi-s...sb-20&linkId=5fb5aeb5a0a13be2651623d21bce4a0a
As listed here:
https://docs.google.com/spreadsheet...XK1dl8I91V4-eP_sfNVNzbA/edit?usp=docslist_api
Sent from my Nexus 5X using Tapatalk

I already own an Anker multi port charger, and have just bought the new one which has 1 USB C port and 4 standard USB ports with a total out put of 40W. The USB C port is rated at 3A and charges my 5x quickly. The other ports are 2.4A maximum and I have had no problems charging several devices simultaneously, Its a little smaller than a cigarette packet and has the figure 8 socket for change of power lead when travelling.
Thoroughly recommended
http://www.amazon.co.uk/dp/B0196IMNTC

Using "unsafe" USB C to A adapter

Hello,
I recently bought a Nexus 5X, and as you know it comes without a USB C to A adapter. So I ordered a cable from a china online store and will test it with CheckR. But if it isn't safe I was wondering if I could make an adapter that would connect the data lines to computer and the 5v line to an external power supply, capable of supplying 5V/10A. Does anyone know if this would work and how safe would it be?
The connections are shown in the schematic on the link(remove the space between goo. and gl)
goo. gl/yaSZZ0
Thanks for any help!

I can't figure out where the danger is here. If you have a charger that outputs 5v @ 1.0 amp, it's going to output that to the phone no matter what right? The phone is essentially the dumb end right, it takes what it can get.
I have cables now that according to Benson do not meet the USB C spec, and cables that do meet the spec. Both brands of cables pass the Checkr app test though.
Both cables say charging slowly on the phone when plugged into a low amp charger or a PC port. The only difference I've noticed is the cable with the 56k pullup resistor still says charging even when hooked to a port that is cable of rapid charging.
So best I can tell nothing can be damaged here, just if you get the "in spec" cable with the 56k resistor, it will always slow charge, even when plugged into a device cable of charging faster?
*edit* Just for clarification, the cable with the 56k resistor will do "charging slowly" and "charging", whereas the cable without will do rapid charging on devices that can output the extra current. So while I say slow charging, it's still capable of charging at a "normal" rate */edit*

A big part of the issue is that it can try to pull more current from the port than the port can supply, and possibly damage it. Once the port is damaged who knows how it will react or what it will be supplying. Most USB A ports aren't going to supply 3A safely that's where the concern is. On the unsafe thing here is more https://plus.google.com/+BensonLeung/posts/HakwCMmd346
You are essentially creating a powered hub with that, I've done similar to make a powered OTG. You should be able to charge from it if the power supply is correct. Obviously, it's on you to decide if it is correct and worth the possible risk.

So I get voltage is pushed, amperage is pulled. So is the problem only on incorrectly designed power supplies / chargers that dont limit their output current?
So far every port / charger Ive used my 5x has charged correctly on (only drawing what the port can supply). The only catch here is cables that Benson tested in spec (with the 56k pull up resistor) wont support "charging rapidly" on ports that are capable of it.

OhioYJ said:
So I get voltage is pushed, amperage is pulled. So is the problem only on incorrectly designed power supplies / chargers that dont limit their output current?
So far every port / charger Ive used my 5x has charged correctly on (only drawing what the port can supply). The only catch here is cables that Benson tested in spec (with the 56k pull up resistor) wont support "charging rapidly" on ports that are capable of it.
Click to expand...
Click to collapse
One thing to consider is that the USB A chargers were never meant to charge C devices, so it's not that they are all improperly designed, just that they are designed for a different spec. The PU is on the Configuration Control pin and is meant to configure the device to what the source is rated for, 56k will set it to "Default USB Power 500mA for USB2.0, 900mA for USB3.0". The charger lacks the PU to configure the device and the 56k PU in the cord is there to fix that and sets it to default values in order to make it work across all sources/ports. I found some C spec information from here if you want more to look at.
As long as the 5X was getting no more than it's 5v 3A and the source was safely providing the power then I don't see where the issue would be.

Keithn said:
One thing to consider is that the USB A chargers were never meant to charge C devices, so it's not that they are all improperly designed, just that they are designed for a different spec.
Click to expand...
Click to collapse
I'm more inferring that if there is a fire or melted plug, it was an improperly designed device. Any charger or power supply should be limited to a max safe current anyways, regardless of what the device or cable would like to pull.
Thanks for the link though, I had never really looked into why (how) it was reversible, or what the various resistor were doing. It's actually a pretty interesting read. It really strikes me as they wanted to create a do it all cable, but that just ended up making it really complex for no reason.

Ok so in the end the CheckR app claims the phone is charging with 3A and that the cable is unsafe but the phone says charging slowly and i tested with an ammeter and it's only about 350mA so the cable is safe. Apparently the CheckR app really can't be trusted.

sasko123 said:
Ok so in the end the CheckR app claims the phone is charging with 3A and that the cable is unsafe but the phone says charging slowly and i tested with an ammeter and it's only about 350mA so the cable is safe. Apparently the CheckR app really can't be trusted.
Click to expand...
Click to collapse
Which cable are you using? It is not necessary for the 5X to draw 3A at all times, in fact it wont - even with the stock USB C charger. It depends on the current battery level, the heat, and the charger. And don't go by the 'charging rapidly/slowly' indication, it isn't consistent when the 5X is paired with Type A cables (compliant or not) and chargers. Using Ampere or Current Monitor is better to monitor the draw.

roofrider said:
Which cable are you using? It is not necessary for the 5X to draw 3A at all times, in fact it wont - even with the stock USB C charger. It depends on the current battery level, the heat, and the charger. And don't go by the 'charging rapidly/slowly' indication, it isn't consistent when the 5X is paired with Type A cables (compliant or not) and chargers. Using Ampere or Current Monitor is better to monitor the draw.
Click to expand...
Click to collapse
I'm using this cable: goo. gl/ayfgEk (can't post links yet). I did a test today and the result is: according to my ammeter at 27% battery the phone draws about 250-400mA. At the same time the Ampere app jumps from 190 to 540mA (it even went to over 2000mA but I didn't get a picture of that) so the cable seems safe to me. So am I missing something or the Ampere app really can't be trusted?
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I'm using the cable here goo. gl/ayfgEk (can't post link yet) I think using a physical ammeter would be the best way to monitor the current. I will do some more testing(using both the Ampere app and my ammeter) at different battery levels. Will report back.
Also the site claims it's USB 3.0 but it's actually just 2.0 with blue plastic
[EDIT: sorry for double post looks like i still had a draft saved on the phone and accidentally posted it now]

I think the app can be trusted, but which charger were you using? Was it connected to a USB port? I would suggest testing it further. Even the Current Monitor app can validate compliant USB C->A cables, so you could give that a shot as well.
-edit-
But how are you using the ammeter to check the draw here?
-edit2-
You said you saw it shoot over 2A. That shouldn't be happening when connected to a USB port. It shouldn't exceed 500mA.
-edit3-
Interesting.

roofrider said:
I think the app can be trusted, but which charger were you using? Was it connected to a USB port? I would suggest testing it further. Even the Current Monitor app can validate compliant USB C->A cables, so you could give that a shot as well.
-edit-
But how are you using the ammeter to check the draw here?
Click to expand...
Click to collapse
It was connected to a computer USB port as that is the only I plan on using it(I'm not gonna use it with an AC charger) I connected a short USB extender between the cable and the USB port and the extender has a cut 5v wire so I can connect the ammeter in series. Will test the current monitor app.
EDIT: It only went over 2A according to the Ampere app, at the same time the ammeter measured 260mA. This is the reason I'm questioning the app's reliability.

I'm curious to know how much the 5X pulls via that cable when connected to a 1A or 1.5A charger. If it stays within the amps the charger is rated to provide, then it should be good.