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10,000 mAh external battery for your TF700 (and other devices)!!

I have a couple Anker Astro 10,000mAh batteries I use with my Xoom (required a similar mod to this one), my Razr, bluetooth headsets and speakers and even a portable fan I use camping. It's an awesome battery with a TON of uses. In fact Anker has several batteries that are very useful, do a search for them on Amazon (and I'm NOT affiliated with them in anyway other than I use several of their products)
It has two USB out ports (5V/2A - one optimized for Samsung, one for iPads, both work with most devices), and a port for charging devices that need 12v or 9v (selectable with a switch on the side, both 2A). The power ratings come from the manufacturer, I haven't personally tested to confirm but based off of charge times I would guess they're correct.
This battery will fully recharge the tablet around 1.5 times (while powering it). And it will also charge the dock/tablet although I haven't tested to what capacity it will charge both while they're connected. My guess would be it will likely charge them fully once. Here's what you need and how to make it work with the TF700 (and TF201 etc...):
Pics of the battery:
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Once you have the battery you'll want to contact the seller and tell them you need an extra cable (one comes with the battery along with several adapter tips for netbooks/DVD player/etc and a USB cable with more adapter tips for phones/ipods/etc.) unless you'll only be using it with your Infinity (we'll be destroying the cable here, but you can use the other end to build another adapter for another device!). The seller is awesome and they sent me an extra cable for free. Here's a pic of the cable we're talking about:
ANKER CABLE (comes with the battery)
Here's a pic of the final cable adapter we're making (most of you wont need to read below, you'll get it from the pics alone):
FINAL ADAPTER CABLE
And here's a pic of the final setup:
EVERYTHING CONNECTED
Here's a link to all the pics in high res: http://s60.photobucket.com/albums/h17/tyhurd/Anker Battery Hack/
What you'll need:
1. The Anker Astro battery
2. The Anker battery cable (included with the battery)
3. A USB cable with a female end. I used an extra OTG cable I had.
4. Electric tape
5. Cable heat shrink or other medium to seal it all up (I actually used some epoxy to make it stiff so it would help avoid causing a short from movement because I didn't use solder)
6. Optional soldering gun and solder (I didn't use this I just twisted the wires together, but for more durability you'll probably want this).
What to do:
1. Cut an end off the Anker cable above with however much length you'll want. I did it really short (too short IMO, I would suggest going a bit longer)
2. Cut the female end off the USB cable. Again however much length you'll want.
3. Peel back/cut off some of the outer shielding on the ends of both cables.
4. Connect red to red and black to black - easy... Either solder them together or twist. Be sure to use a little electrical tape to ensure neither wire comes in contact with the other.
5. Seal up your new adapter. If you're using heat shrink be sure to put it on before step 4.
Set the Anker battery to 12V, plug everything together and viola! You can now charge on the go! I travel a lot and did a similar mod to charge my Xoom and it worked great. Now even with HEAVY use you can get a full day out of your devices.
Here's the breakdown on voltage of the original charger vs this charger:
Asus charger: 15V @ 1.2A = 18 watts
Anker charger: 12V @ 2A = 24 watts
I know some of you are thinking why not just set the Anker to 9V as 9V @ 2A is 18 watts, same as the Asus wall charger? It just doesn't provide enough voltage to trigger charging on the tablet. The internal charging circuit will ensure there's no damage to the battery with the higher wattage. This is also the same as using a car charger for the tablet (12V @ 2A)...
This mod has tons of potential for other of devices too... Enjoy!
If you found this helpful click the thanks button below! Thanks!

Very cool. For those interested, I did a quick search on amazon.ca (Canada) and the 10k mAh battery was about $50 - not bad at all.
Do the USB ports on the Anker charge it at all or does it only work via DC out?

RNGuy said:
Very cool. For those interested, I did a quick search on amazon.ca (Canada) and the 10k mAh battery was about $50 - not bad at all.
Do the USB ports on the Anker charge it at all or does it only work via DC out?
Click to expand...
Click to collapse
The one and only drawback I can find is that the battery itself uses a proprietary charger to charge (the smallest hole on the right in the end view pic). It's 12V/1A in, so I'm sure it would be easy to make a car charger for it but no luck charging it via USB... I actually modded a Xoom charger (12v/1.5A) to charge it faster. Not good for the battery I know (but really not too bad) and I also liked that the Xoom's charger wall prongs fold in making it more portable!

just curious ..........if by 'butchering' this way ..WILL IT WORK with Infinity + DOCK ??? as I have my tablet with DOCK !
be ncie to know if anyone can chime in after trying this mod with A DOCK connected
thanks in advance

RNGuy said:
Do the USB ports on the Anker charge it at all or does it only work via DC out?
Click to expand...
Click to collapse
That's a very good question indeed. Any answer ?
I think it can charge it as well as it's possible to charge the TF700 with a regular USB cable plugged in a laptop (for instance), although, this is known to be really slow... (but it may be due to the limited current available through a regular USB port, 500mA.

RNGuy said:
Very cool. For those interested, I did a quick search on amazon.ca (Canada) and the 10k mAh battery was about $50 - not bad at all.
Do the USB ports on the Anker charge it at all or does it only work via DC out?
Click to expand...
Click to collapse
I think I misinterpreted you the first time. I was thinking you were asking if the Anker charged via USB but after reading your question again I see you were asking if the USB on the Anker will charge the tablet and the answer is no. Not enough voltage to trigger charging.

Ausmike said:
just curious ..........if by 'butchering' this way ..WILL IT WORK with Infinity + DOCK ??? as I have my tablet with DOCK !
be ncie to know if anyone can chime in after trying this mod with A DOCK connected
thanks in advance
Click to expand...
Click to collapse
It's not really "butchering", but yes IT WILL WORK with the DOCK... I have the DOCK and can confirm it does work! And why are we YELLING? lol

Howdy folks,
First I can confirm this works wonderfully but I made one change. I was able to accomplish the same results without cutting up any wires. By using the provided adapters you can get output to a male USB. From that point just grabbed a $6 USB gender adapter (male to female) and it works like a charm.
Thank you so much for this suggestion should be a life saver for my coming trip to Japan.
Sent from my Galaxy Nexus using Tapatalk 2

BritCrit said:
Howdy folks,
First I can confirm this works wonderfully but I made one change. I was able to accomplish the same results without cutting up any wires. By using the provided adapters you can get output to a male USB. From that point just grabbed a $6 USB gender adapter (male to female) and it works like a charm.
Thank you so much for this suggestion should be a life saver for my coming trip to Japan.
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
What adapter did you use? The only adapters that came with my units (and I have 2) that plug into the DC cable are laptop type, no USB type. Could you be so kind as to post a pic of the setup? Thanks!!

Photos of setup using USB Female gender adapter
Here's a photo of the adapters included with the Anker battery. The beige item is the usb adapter.
You'll want to connect the anker cable -> anker adapter (red tip) -> Anker male USB -> Ugly beige USB adapter -> Asus USB cord
Connected it should look like this:
And proof that it works (set to 12v per instructions above). I've tested it in both tablet and with dock.
Let me know if you have any questions.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2

BritCrit said:
Photos of setup using USB Female gender adapter
Here's a photo of the adapters included with the Anker battery. The beige item is the usb adapter.
You'll want to connect the anker cable -> anker adapter (red tip) -> Anker male USB -> Ugly beige USB adapter -> Asus USB cord
Connected it should look like this:
And proof that it works (set to 12v per instructions above). I've tested it in both tablet and with dock.
Let me know if you have any questions.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
Click to expand...
Click to collapse
Got it, WAY easier than making a cable!!! LOL. Thanks!! (I forgot all about the coiled cord. Got these batteries a few months before the Infinity. Much longer setup, but much easier too)

works perfectly
Bought, this battery and did this mod thanks for the info. Great portable charger for tf700.

Hmm, I bought the battery pack, a 5.5x2.1mm DC pigtail and a prime charging cable. When using the prime cable with usb 3.0 extension cable it could charge my infinity on the AC adapter. I used that cable, cut the wires, soldered the red to red and black to black, left the other two untouched. Now when hooked up to my anker charger, it will flash "charging" for a second, then it goes away. The green light on the side of the dock is on, but it is not charged. When plugging directly into the tablet, it does nothing. Wonder if i'm just not getting enough voltage.
Should one of the other wires be tied into the positive as well? I imagine the other two were for data stream.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app

NickS VR4 said:
Hmm, I bought the battery pack, a 5.5x2.1mm DC pigtail and a prime charging cable. When using the prime cable with usb 3.0 extension cable it could charge my infinity on the AC adapter. I used that cable, cut the wires, soldered the red to red and black to black, left the other two untouched. Now when hooked up to my anker charger, it will flash "charging" for a second, then it goes away. The green light on the side of the dock is on, but it is not charged. When plugging directly into the tablet, it does nothing. Wonder if i'm just not getting enough voltage.
Should one of the other wires be tied into the positive as well? I imagine the other two were for data stream.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Click to expand...
Click to collapse
Only need the two wires. Is the switch on the side of the anker set to 12v?

AspenMan said:
Only need the two wires. Is the switch on the side of the anker set to 12v?
Click to expand...
Click to collapse
It is set to 12v, yes. The battery levels were at around 96% for dock and 92% on the tablet. Not sure if it just kept shutting the charging mode off because of that.
Just tried it now, with 91% dock and 86% tablet, and it is charging like it is supposed to. I guess it wont kick on charging mode while battery level are higher.

Another option, also fairly cheaper if you look around, would be to use a usb y splitter cable, such as this one, According to the Amazon page on Anker Astro 10000, Each USB port puts out .5V, thus should be 1V. The Infinity charger outputs 1.2V. Thus, it should charge, just a little slower.
There is another option, but doesn't have as much stored powered, would be, if you can find one, is a Duracell/Xantrex Powersource Mobile 100. I have the Duracell. It's a power converter for a 100W, but has 4000mAh battery storage. It has a AC plug port and two usb ports. I use this at NFL games with my portable TV (7" LCD) that only has a rechargeable battery that only lasts about 2 to 2.5 hours; games are 3 or more hours. Plus, I use it to charge my mobile phone at the game. Unfortunately, the product has been discontinued.

lovekeiiy said:
Another option, also fairly cheaper if you look around, would be to use a usb y splitter cable, such as this one, According to the Amazon page on Anker Astro 10000, Each USB port puts out .5V, thus should be 1V. The Infinity charger outputs 1.2V. Thus, it should charge, just a little slower.
There is another option, but doesn't have as much stored powered, would be, if you can find one, is a Duracell/Xantrex Powersource Mobile 100. I have the Duracell. It's a power converter for a 100W, but has 4000mAh battery storage. It has a AC plug port and two usb ports. I use this at NFL games with my portable TV (7" LCD) that only has a rechargeable battery that only lasts about 2 to 2.5 hours; games are 3 or more hours. Plus, I use it to charge my mobile phone at the game. Unfortunately, the product has been discontinued.
Click to expand...
Click to collapse
Not how electricity works.
Standard USB outputs 5v and 0.5a. Amps can be stacked. Volts cant (at least not that simply). Also if you convert 5v to 15v it would reduce amps by at least 2/3 not accounting for loss.
Sent from my Galaxy Nexus using xda app-developers app

BritCrit said:
Photos of setup using USB Female gender adapter
Here's a photo of the adapters included with the Anker battery. The beige item is the usb adapter.
You'll want to connect the anker cable -> anker adapter (red tip) -> Anker male USB -> Ugly beige USB adapter -> Asus USB cord
Connected it should look like this:
And proof that it works (set to 12v per instructions above). I've tested it in both tablet and with dock.
Let me know if you have any questions.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
Click to expand...
Click to collapse
Hi,
My first post here
I already have astro3. and TF700. Wondering if this is the correct adapter that will work in the final connection?
monoprice dot com /products/product.asp?c_id=103&cp_id=10314&cs_id=1031401&p_id=362&seq=1&format=2

Just wondering if this thread would get more visibility if it were under the "accessories" category. Or is our Infinity community still so small that it doesn't really matter?
BTW, like the setup and I can see how that would be really useful on trips.

Yeah headed Tokyo from Texas tomorrow, I'll let you know how it works out
I agree the accessories thread would be a better place for it
Sent from my Galaxy Nexus using Tapatalk 2

Nexus 5 Car charger problem

Hi everyone,
So I bought a Belkin 2.1A car charger from ebay for my Nexus 5 like this one:
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But during my various car trips using Google Maps sat nav I've noticed that the battery percentage was going down rather than up. I was very suprised as I thought that 2.1A would be enough to handle the battery consumption while also charging the device. After checking the stock AC charger I have noticed it's only rated for 1.2A, so the car charger charging problem surely must be another I thought.
By looking on the internet I've read that people were having charging issues because the device was recognizing the charger as an USB port so charging was limited to only 0.5A.
After a bit of further searching I found that the stock AC charger uses a shorted circuit on the data pins to make the phone recognize it as an AC charger. I went back to the car and tried the stock cable on the Belkin charger and in Settings->Battery it showed Charging (USB). Ok I said, then this must be the problem, I ended up building my own "Fast charge" cable by shorting the data wires on the Micro USB side. Trying again this time the phone showed as Charging (AC). I since tried the charger but without any success, the percentage was still going down while in use.
Today, I went into the Electronic lab of my University, and I've tried to check the Amps that were going through the phone (I have seen some videos on youtube of apps that show charging amps, but they all looked very wrong, like 8Amps or more). I believe I have finally found the reason of the slow charging or not charging:
The charging current is only 0.2A, far less than an USB port, and far far less of what is required to charge the phone wile the sat nav is going. I have tried both fast charge and stock usb cables but it still displayed the same exact current.
I don't know what to do next? Have any of you had any success in charging while using the sat nav (and 3g, bluetooth, nfc, ecc)?

Please forgive me if I am not understanding your post.
iltrevi said:
The charging current is only 0.2A...
Click to expand...
Click to collapse
Because it's defective?
iltrevi said:
I have tried both fast charge and stock usb cables...
Click to expand...
Click to collapse
What about a different charger?
iltrevi said:
Have any of you had any success in charging while using the sat nav (and 3g, bluetooth, nfc, ecc)?
Click to expand...
Click to collapse
I have used several different chargers without issue.

PhilipTD said:
Please forgive me if I am not understanding your post.
Because it's defective?
What about a different charger?
I have used several different chargers without issue.
Click to expand...
Click to collapse
It could be the charger that is detective, but after all thats what im trying to find out, or is it a compatibility issue with nexus 5? If the charger was defective wouldn't it be not charging at all?
Different charger? I don't have a different charger, that's why I bought this one, why shouldnt this be working if there's stated 2.1amp
OK thanks for advice, but I'd like to get this working, have you had any experience with this charger as well?

Never used that charger.
A defective charger may very well be slow, rather than dead.
I just thought that it might be a good idea to test a friend's charger in your car in order to eliminate the possibility that the socket/feed is malfunctioning. Or, even better, would be to use a current tester on the socket.
Ma, che ne so?

I'm using exactly the same Belkin charger in my Ford and it works properly while navigation is on. However, I don't charge and keep navigating frequently so can't shed more light on this!

I have had quite a few car-chargers (mostly cheap ones) , and the amount of current they provide compared to what they promised varies alot.
Haven't tried the belkin one, as I needed more than 1 usb port.
Currently i'm using
...://dx.com/p/star-go-st-06-aircraft-shaped-5v-4100ma-usb-4-port-car-charger-black-12-24v-290123#.UxSYQ3VdWlg
And it charges my nexus 5 with screen always on and my Samsung tab 3 running sygic.
(even need 10 posts for a link...)

I've been testing chargers extensively. What I have seen is actually scary.
The worst one was sold on ebay and was marked as a 3.1A capable device. When I hooked it up to a 12V source and connected the output to a scope I saw a triangle like DC output varying between 4.7 and 5.7Volts which is out of USB specs, meaning could damage your device.
The 2 other ones that I own are a lot better after modifying capacitors etc. but I gave up on that front.
I also tested a Belkin marked one that was supposed to be able to provide 1A but it only managed 0.8A and after 15min it died. Fake, no doubt about it.
Since I had a cigarette lighter plug in my drawer I made my own charger that is very DC clean and can provide more than enough juice to charge.
I use these modules http://www.ebay.co.uk/itm/7V-24V-to..._Measurement_Equipment_ET&hash=item4179d0059e
You can connect the 2 middle pins and my N5 draws 1.4A peak.
To be sure there is a 2A fuse in the cigarette lighter plug and a Transient-voltage-suppression diode connected over the 5V USB output so in case the convertor goes belly up and goes to 12V the 5.8V diode will kill the fuse in an instant.
That convertor is extreemly clean stable and has a very high efficiency so it will not even get close to getting warm when charging high speed.
Some people spend a fortune on cases and screen protectors but want the cheapest possible 12V to USB. I made this for like 6€ or $9 and I guarantee you nothing comes close that is on the market.

lukesan said:
To be sure there is a 2A fuse in the cigarette lighter plug and a Transient-voltage-suppression diode connected over the 5V USB output so in case the convertor goes belly up and goes to 12V the 5.8V diode will kill the fuse in an instant.
Click to expand...
Click to collapse
Did you put the 2A fuse in the car fusebox? or between the jack and your converter? Had not thought about making one myself

bakxsteen said:
Did you put the 2A fuse in the car fusebox? or between the jack and your converter? Had not thought about making one myself
Click to expand...
Click to collapse
There is a 2A fast (snelle ) fuse in that cigarette lighter plugin itself. So the module is capable of delivering 3A constant at 5.1V. Since the N5 nor a Note 3 will go above 2A charging, and the efficiency is >85%, I am secure on that front.
Since I see you are from Delft there should be an action shop in your area. They sell 2 port 2.1A capable car chargers (black and white) for like 3€ which are actually not bad at all. I only insist on those diodes that you can buy on ebay. They cost a couple of € but rather that than smoke out of your device.
I have about 8 of those modules now since they are so universal.
A couple of examples. An old laptop charger 15V 6A, cut the connector and hooked up the modules got all my usb devices charged in Africa.
1 is hooked up to a RC helicopter batt that is mounted on my bike and delivers around 11.1V and then goes to that module so I can charge and use GPS on the bike for hours.

Cheers for the info, coincidentally I have been looking for a way to power my raspberry pi in my 12-volt speaker set. This will make that a lot easier as well.

lukesan said:
I've been testing chargers extensively. What I have seen is actually scary.
The worst one was sold on ebay and was marked as a 3.1A capable device. When I hooked it up to a 12V source and connected the output to a scope I saw a triangle like DC output varying between 4.7 and 5.7Volts which is out of USB specs, meaning could damage your device.
The 2 other ones that I own are a lot better after modifying capacitors etc. but I gave up on that front.
I also tested a Belkin marked one that was supposed to be able to provide 1A but it only managed 0.8A and after 15min it died. Fake, no doubt about it.
Since I had a cigarette lighter plug in my drawer I made my own charger that is very DC clean and can provide more than enough juice to charge.
I use these modules http://www.ebay.co.uk/itm/7V-24V-to..._Measurement_Equipment_ET&hash=item4179d0059e
You can connect the 2 middle pins and my N5 draws 1.4A peak.
To be sure there is a 2A fuse in the cigarette lighter plug and a Transient-voltage-suppression diode connected over the 5V USB output so in case the convertor goes belly up and goes to 12V the 5.8V diode will kill the fuse in an instant.
That convertor is extreemly clean stable and has a very high efficiency so it will not even get close to getting warm when charging high speed.
Some people spend a fortune on cases and screen protectors but want the cheapest possible 12V to USB. I made this for like 6€ or $9 and I guarantee you nothing comes close that is on the market.
Click to expand...
Click to collapse
Very interesting! Can you post some picture of the actual charger you made? How did you add the transient voltage suppression diode?
Btw I will try to short the data pins also on the USB side and see if it makes any difference, apparently things like this one short both sides: http://www.amazon.co.uk/PortaPow-Fa...8&qid=1393861403&sr=8-12&keywords=fast+charge

iltrevi said:
Very interesting! Can you post some picture of the actual charger you made? How did you add the transient voltage suppression diode?
Btw I will try to short the data pins also on the USB side and see if it makes any difference, apparently things like this one short both sides:
HTML:
http://www.amazon.co.uk/PortaPow-Fast-Charger-iPhone-Blackberry/dp/B00GC4AJOU/ref=sr_1_12?ie=UTF8&qid=1393861403&sr=8-12&keywords=fast+charge
Click to expand...
Click to collapse
Difficult to show since it is sort of build in the car.
The module is plug and play. Hook up + and - (screwdriver thing so no soldering required) and the USB connector is already on the pcb board. Extreemly easy. Plug and play.
The diode is not big at all and is soldered on the back of the pcb. There are soldering points.
After that mod, diode and shorten data leads, I use that yellowish heat resistant tape around the pcb so it does not touch any metal parts or shorten anything. I've been using it in Arizona summer weather conditions and it is perfect.

lukesan said:
Difficult to show since it is sort of build in the car.
The module is plug and play. Hook up + and - (screwdriver thing so no soldering required) and the USB connector is already on the pcb board. Extreemly easy. Plug and play.
The diode is not big at all and is soldered on the back of the pcb. There are soldering points.
After that mod, diode and shorten data leads, I use that yellowish heat resistant tape around the pcb so it does not touch any metal parts or shorten anything. I've been using it in Arizona summer weather conditions and it is perfect.
Click to expand...
Click to collapse
Ok, thanks. I think if I can't get another car socket charger to work this will be the path I will take.
Anyway I just tried shorting the USB side to see if this made any difference to the Belkin charger but it looks like nothing changed. I also tried shorting both data sides all together but that didn't change things either. I'm guessing the charger could be actually defective, I will try to get a replacement and see if that works better.
Why doesn't Google makes it own car charger and avoids all this messing about to find one that works.

iltrevi said:
Why doesn't Google makes it own car charger and avoids all this messing about to find one that works.
Click to expand...
Click to collapse
You would think it would be in their interest as well, I imaging a lot of people will blame the phone.

bakxsteen said:
You would think it would be in their interest as well, I imaging a lot of people will blame the phone.
Click to expand...
Click to collapse
This is another nice tool that I use. http://www.ebay.com/itm/New-Portabl...uter_Power_Supply_Testers&hash=item485a80ba76
You don't see if the output is clean but you get a good view on what is going on and the Voltage and Current readout is pretty accurate.
Just added 2 pics. This one I use when cycling. You can see an added resistor but it has no use since it ups the Voltage to 5.2V (just a test thing). On the back you can see that the data lines are connected and that special diode is soldered over the 5V pins.
The reason why this one isn't fully insulated with tape is that this one is my test one so I leave it open to test.
No need to fully insulate it since it goes in a weatherproof non conductive bag with the battery.

bakxsteen said:
Cheers for the info, coincidentally I have been looking for a way to power my raspberry pi in my 12-volt speaker set. This will make that a lot easier as well.
Click to expand...
Click to collapse
Lol, actually I have one of these modules connected to my Harmon Cardon speakers which are connected to my flatscreen.
My Raspberry is on 24/7 for like 10 months now. No stability, heat issues at all.
Just another thing which is extremely important is the USB cable itself. I've seen some really strange things.
For example now I am testing an Anker 40W 5-port USB charger that I bought on Amazon. It features 'smart' technology to see what is connected and then place everything in quick charge.
I found the idea super, but they've already had to refund me after a couple of tests.
The thing is right in front of me now and I have that USB tester thing to measure current and 3 different cables. 1 HTC, 1 from a Jawbone headset and a Sony one. The original cable is at home.
Ok so the phone was at 60% batt which means it should still charge at full speed if possible. The HTC and Jawbone cable on the Anker did not pass 0.8A and the Sony (looking at it now) 0.92A. Voltage seems like 5.08V which is measured at the adapter and not the phone.
So 1 get that USB tool thing for a couple of € $ and actually see what is happening instead of guessing. I am really happy with it.
If you want me to do any tests of have questions feel free to ask. We, and I, can always learn from each other and there is no such thing as a stupid question to me.

lukesan said:
Just another thing which is extremely important is the USB cable itself.
Click to expand...
Click to collapse
I believe USB cables and USB cables impendance as I've read somewhere are important only when charging the device with the data pins "enabled". As for Galaxy SI and SII chargers which used a fixed micro usb charging cable which was very thin, I belive that once data pins are shorted it doesn't matter anymore if you are using a very thick top quality cable or a ebay chinese cable, the phone will always pull as the same current.
Anyone correct me if I'm wrong.

iltrevi said:
I believe USB cables and USB cables impendance as I've read somewhere are important only when charging the device with the data pins "enabled". As for Galaxy SI and SII chargers which used a fixed micro usb charging cable which was very thin, I belive that once data pins are shorted it doesn't matter anymore if you are using a very thick top quality cable or a ebay chinese cable, the phone will always pull as the same current.
Anyone correct me if I'm wrong.
Click to expand...
Click to collapse
Well I also did some tests on that front. Supplying 5V and putting a resistor 5.1 Ohm on the other side so it draws approx 1 Amp. It's very scary to see some cables go flat on their belly.
I had one which measured about 4.3V with that resistor on the other side, so massive loss in the cable and/or connector. If you take into account that the charging circuit efficiency is also not 100% it can have a big effect on the charging speed. Remember these batts at 100% charge are at 4.2V.
The S1 charges at about 0.65A and an S2 at 0.7A max (limited by the charging circuit) so using these devices as GPS in the car is tricky since screen and gps app on .... and you are at approx these values.
I was thinking about buying my own connectors and soldering 2 'thicker' cables to the connectors. You can shortcut the data-lines on the micro usb so no harm done when plugging into a pc. But how far do I go in this I ask myself.

Resurrecting this thread because I'm having a similar issue, I have a Belkin 2.1Amp charger that's capable of charging an iPad at 2.1 amp (and I've tested it in the past and it charges appropriately, and is able to charge an iPhone very rapidly as well) as well as another 1A USB charger and the Nexus 5 barely charges with either-it charges very slowly even when I have GPS shut off-I've charged it for an hour before and it'll maybe get 10% which is absurd. It's pretty clear that whatever high-amp pinning they have is meant more for iPads and the Nexus 5 isn't seeing these chargers as high speed chargers, does anybody know of a charger where they've had good success with the Nexus 5 to rapidly charge it?

[Q] Should it be taking 4+ hours to charge?

I plugged my OPO charger (and red lead) to the OPO at 21% battery, so far this is the charge progress:
21% 6.04pm
36% 7.04pm
63% 8.45pm
76% 9.35pm
At this rate it'll be done 10.45pm I think - nearly 5 hours.
Should it be taking this long?

It shouldn't be taking that long to charge, mines take at least 1 hour. Charges very fast.
Are you using the stock red wall charger as well as the red usb cable supplied by OnePlus?
Ensure that in settings -> about phone that it says Charging (AC) and not Charging (USB)
Be sure that you plugged the USB cable all the way in and that its not loose.

zephiK said:
It shouldn't be taking that long to charge, mines take at least 1 hour. Charges very fast.
Are you using the stock red wall charger as well as the red usb cable supplied by OnePlus?
Ensure that in settings -> about phone that it says Charging (AC) and not Charging (USB)
Be sure that you plugged the USB cable all the way in and that its not loose.
Click to expand...
Click to collapse
Says Charging (AC). All cables are fitted securely, only thing is having to use a 2 to 3-pin adapter for UK sockets but that seems unlikely to be at fault?
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Salty Wagyu said:
Says Charging (AC). All cables are fitted securely, only thing is having to use a 2 to 3-pin adapter for UK sockets but that seems unlikely to be at fault?
Click to expand...
Click to collapse
I have the same charger and cable (i'm from Italy) and my telehone charges quite fast. I have to suspect that indeed the adaptor is the culprit here.

I hope it isn't a phone fault at least, wouldn't want to attempt to get a replacement. Battery life on the other hand is pretty great though.

Salty Wagyu said:
I hope it isn't a phone fault at least, wouldn't want to attempt to get a replacement. Battery life on the other hand is pretty great though.
Click to expand...
Click to collapse
Try another cable to make sure it's not the cable. If the issue persists, open a ticket with Oneplus as your charger may be defective.
I don't recommend continued use of said charger until it has been cleared or replaced. While highly unlikely, a defective product can cause issues such as overheating or damaging attached devices.

Are other short cables ok to try? I remember reading the cable has to be a certain AWG, so I don't know if my Nexus 7 & 4 cable will do.

Get rid of the adapter. I tested it with and without and with the adapter and with it the phone charged at 1% per 2.5 minutes and without it the phone charged at 1% per minute.
All you need to do is shove something into the top(earth) pin of the socket and you can then just plug the 2 pin plug into the UK socket.

GTCC said:
Get rid of the adapter. I tested it with and without and with the adapter and with it the phone charged at 1% per 2.5 minutes and without it the phone charged at 1% per minute.
All you need to do is shove something into the top(earth) pin of the socket and you can then just plug the 2 pin plug into the UK socket.
Click to expand...
Click to collapse
Intriguing, that doesn't sound safe though!
edit: Actually the 2 pins don't seem to fit at all in the bottom 2 slots of my 3-pin socket. The holes are too wide apart.
I was going to buy an Anker 5-way USB charging station with 2.4A in each slot, this should solve the issue I guess.

Why is it not safe? The top pin is only an earth and it not even used in a lot of cases, it main use is to move the shield over the 2 bottom pins. That's why the top pin is longer than the bottom two.
---------- Post added at 12:07 AM ---------- Previous post was at 12:05 AM ----------
Salty Wagyu said:
Intriguing, that doesn't sound safe though!
edit: Actually the 2 pins don't seem to fit at all in the bottom 2 slots of my 3-pin socket. The holes are too wide apart.
I was going to buy an Anker 5-way USB charging station with 2.4A in each slot, this should solve the issue I guess.
Click to expand...
Click to collapse
They will fit, you just need to slightly force them.

GTCC said:
Why is it not safe? The top pin is only an earth and it not even used in a lot of cases, it main use is to move the shield over the 2 bottom pins. That's why the top pin is longer than the bottom two.
---------- Post added at 12:07 AM ---------- Previous post was at 12:05 AM ----------
They will fit, you just need to slightly force them.
Click to expand...
Click to collapse
Well I got it in, was a bit awkward shoving some pliers in the top slot. Still not happy with the solution tho I'll see how fast it charges once I manage to drain phone

Salty Wagyu said:
Well I got it in, was a bit awkward shoving some pliers in the top slot. Still not happy with the solution tho I'll see how fast it charges once I manage to drain phone
Click to expand...
Click to collapse
Thats going to take awhile to drain your phone
Try downloading a app that measures your charging rate as well. You can compare and contrast the different combinations of usb cable/charger/etc as well as someone else who charges fast can compare with your charging rate.

zephiK said:
Thats going to take awhile to drain your phone
Try downloading a app that measures your charging rate as well. You can compare and contrast the different combinations of usb cable/charger/etc as well as someone else who charges fast can compare with your charging rate.
Click to expand...
Click to collapse
I'll try this one out https://play.google.com/store/apps/details?id=ccc71.bmw

Salty Wagyu said:
Says Charging (AC). All cables are fitted securely, only thing is having to use a 2 to 3-pin adapter for UK sockets but that seems unlikely to be at fault?
Click to expand...
Click to collapse
The adapter that you have brought whats the AMP is it outputing , i had the same issue , since i live in europe and have to use the adapter to charge the phone the first one i brought emits only 1 AMP by the adapter , then i went to the store back and asked him to provide me the adapter which has higher amp output , the store keeper gave me the 13 amp one ( the highest as he says ) and now it charges much faster within one hour ...
I would recommend to go and get the 13 AMP adapter and then plug in your charger ...
Moreover as i see the phone charger is not the same has i have , mine is square and yours in a different shape , is that original charger from OPO , if not please check the chargers amp output it should be 2 amp as per the OPO charger rating , else you would have a slow charge ,,,

fai28683 said:
The adapter that you have brought whats the AMP is it outputing , i had the same issue , since i live in europe and have to use the adapter to charge the phone the first one i brought emits only 1 AMP by the adapter , then i went to the store back and asked him to provide me the adapter which has higher amp output , the store keeper gave me the 13 amp one ( the highest as he says ) and now it charges much faster within one hour ...
I would recommend to go and get the 13 AMP adapter and then plug in your charger ...
Moreover as i see the phone charger is not the same has i have , mine is square and yours in a different shape , is that original charger from OPO , if not please check the chargers amp output it should be 2 amp as per the OPO charger rating , else you would have a slow charge ,,,
Click to expand...
Click to collapse
I don't know how to measure Amps coming in, everything I'm holding in that photo is all OPO-made, even the 3-pin adapter came included with the phone.
Either way I've stopped using it and deemed the adapter as faulty. I'm using my Nexus 7 charger now, it only outputs 2A rather than the needed 2.1A but it'll do, it charged my phone up fully in an hour and half this time.

Salty Wagyu said:
I don't know how to measure Amps coming in, everything I'm holding in that photo is all OPO-made, even the 3-pin adapter came included with the phone.
Either way I've stopped using it, and used my Nexus 7 charger instead. It only outputs 2A rather than the needed 2.1A but it'll do, it charged my phone up fully in an hour and half this time.
Click to expand...
Click to collapse
Regarding the amp output by the adapter , it should be posted on the box that came with it .
And if the OPO official charger is not charging with the best speed , then it should be a faulty charger .
ANyways good to know you have the solution to the problem
Cheers buddy ...

fai28683 said:
Regarding the amp output by the adapter , it should be posted on the box that came with it .
And if the OPO official charger is not charging with the best speed , then it should be a faulty charger .
ANyways good to know you have the solution to the problem
Cheers buddy ...
Click to expand...
Click to collapse
Oh the bit where the USB cable goes into? That says 5V~2100mA. Think I should pursue an RMA on the charger only?

Salty Wagyu said:
Oh the bit where the USB cable goes into? That says 5V~2100mA. Think I should pursue an RMA on the charger only?
Click to expand...
Click to collapse
The charger which the USB cables goes in as per my OPO charger is 5V / 2A ( which seems also okie in your case ).
The adapter that your charger plugs to connect to wall socket should be 250V / 13A.

Last night I left my OPO to charge when it was at 11%, OPO supplied charger but amazon kindle usb cable (I love them for some reason, have several). After about 7 hour it was at 91%.
Plugged into my Samsung charger (supplied with a Galaxy Note 10.1 tablet) and the same cable, normal (quick) charging.
I fear the adapter that OPO supplied may have been of sub par quality and has deteriorated.
Also, I checked the battery settings while it was charging, it mentioned AC.
I'll plug my tablet in the OPO charger just to make sure

My charger has been charging my phone quite fast as it did since Day 1. Could it have something to do with European chargers?

Original OEM USB Cable?

Hey guys!
Does anybody know where i could buy an original OEM usb cable for SM-T800 (possibly a store which ships to europe)?
I've googled around, but I found nothing but copies after reading comments?

I scanned the q-code off the plastic that came wrapped around my T800 data cable "GH39-01580A"
http://www.samsungparts.com/Products/Parts_and_Accessories/PID-GH39-01580A.aspx
EDIT: I have ordered a few cheap cables from china/hong-kong everything from 1.5ft to 10ft for my solar panel, look for "28/24AWG" which is the thickness of the wires as well as reviews.
John.

Great! Thanks

Do you know if there is any difference with ECB-DU4EWE?

It`s a number that is on my oem cable plastic wrap "ECB-DU4EWE" and "SW1FA06VS E" and the q-code printed on it is "GH39-01580A" , I suppose any of these numbers will give you the same cable, getting an oem and not a fake is another matter.
I just measured my cable it is 1.5m
I bought an cable off Amazon UK using "ECB-DU4EWE" when i bought my T800 just before Christmas, it is around 6" shorter but is the same quality and charges just as fast as the original one, I checked my Amazon account to buy another, but all i get was a different seller and the cable was black not white, so i am not buying that.
As i said, I have bought a few cheap cables from 1.5ft to 10ft and i will see how fast they charge my T800 when they are delivered, if we cannot find an oem cable, then maybe i can find a quality alternatives.
John.
_RoRo_ said:
Do you know if there is any difference with ECB-DU4EWE?
Click to expand...
Click to collapse

Thank you for your answers

The link below is an explanation on why cable length and quality can lead to slow charging speeds, it`s a bit had on the head, so it`s not for everybody, but some might find it interesting i did, but i think i will have to read it a few times to understand it fully.
http://goughlui.com/2014/10/01/usb-cable-resistance-why-your-phonetablet-might-be-charging-slow/
John.

I bought a couple of the "mains wall sockets" with usb charging sockets built in, there is a lot of rubbish (slow charging) and dangerous version from china, I know this because i bought a couple and the earth connection did not connect to the earth pin on an UK plug (which is very dangerous) i got a full refund after i told the seller about my problem.
So i decided to do some research and buy some good quality usb mains sockets, I found an UK eBay seller, selling some with good specification and UK certified and , so i bought two sets of 2.4amp usb mains sockets, see photo below, I have seen 1.0 amp usb sockets all the way to 4.8 amp (supposedly i have not been able to find any) the amps are shared between two usb sockets.
So i installed them and tried charging my Tab S 10.5" and i think it was charging at 1.6amp according to (galaxy charging current app) after about 30min the charging stopped, the usb wall socket had shut itself down (died) but after 10min it came back to life, but i continued to die when charging my Tab S after charging any-ware between 5-30min , my other usb mains wall socket worked fine, so i contacted the seller and they said they had sold thousands and had only had five faulty ones, so they sent me a replacement.
While i was waiting for the replacement, I bought an "usb power meter" £6 and an "usb switchable 1amp/2amp load" £1 from eBay to test my replacement wall socket.
So i tested the replacement and it worked fine, I tested it for 1hr at 2amp my usb meter showed 1.9amp but close enough so it passed.
Now i had an "usb power meter" i can check how much power my Tab S 10.5" is pulling from the usb wall socket when using different micro usb cables.
The quality of the micro usb cable and the length determines how fast your Tab S will charge, I have measured 400ma with cheap poor quality cables up to 1740ma with the usb cable that came with my Tab S.
If you are looking to buy some "usb mains sockets" a good placed to buy is Amazon for your country, as the reviews (if real) are the best way to judge which one to buy, some usb wall sockets the usb port works fine for a few weeks then dies, this seems to be an common fault, so buy from somewhere you can easily get a refund/replacement.
Anyway the photo below is of an UK (dual gang usb mains socket)
John.
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I recently gave a try with a belkin usb cable from a friend of mine, and it charges at 1400mA, pretty much what I had with a huawei cable,
With my default cable, it charges around 500mA.
I didn't try any wall usb socket, but I don't know much things about how to install it and stuff, so i'll probably pass this for the moment
Interesting to know, though

By Default cable do you mean the Samsung cable that came with your Tab S ??
I am charging at 1750mA with the cable that came with my Soshine usb power bank, according to my usb power meter on my T800, the software power meter are not very reliable but better than nothing.
I found an app called "nova battery tester 1.37mb" it`s not on GP any more you have to search for it, It tests your battery capacity it take approx 1hr30m and it puts you display brightness at 100% i tried it on my old Samsung S3 and HTC EVO 3D and it said my battery`s capacity was 100% but your device needs to be supported, it checks online for the specs, I have not tried it on my T800 it is most likely not compatible.
John.
_RoRo_ said:
I recently gave a try with a belkin usb cable from a friend of mine, and it charges at 1400mA, pretty much what I had with a huawei cable,
With my default cable, it charges around 500mA.
I didn't try any wall usb socket, but I don't know much things about how to install it and stuff, so i'll probably pass this for the moment
Interesting to know, though
Click to expand...
Click to collapse

Yes, I meant the one that came with the tab

With my original cable, I can charge around 1500mah.
With a compatible cable like Remax, it's only around 1300-1400mah.
The worse I've tried is around 500mah.
What makes an original cable charge faster btw?

Basically the original cable has thicker better quality power wires, have a read of the link below.
John.
http://goughlui.com/2014/10/01/usb-cable-resistance-why-your-phonetablet-might-be-charging-slow/
John.
xdaq said:
With my original cable, I can charge around 1500mah.
With a compatible cable like Remax, it's only around 1300-1400mah.
The worse I've tried is around 500mah.
What makes an original cable charge faster btw?
Click to expand...
Click to collapse

Ahhh... But wouldn't high quality branded compatible cables have similar qualities?

Yes, but you will need to try them to be certain, Stick to short cables, the longer they are the slower they charge this happens to even the best quality cables, read the link i posted.
John.
xdaq said:
Ahhh... But wouldn't high quality branded compatible cables have similar qualities?
Click to expand...
Click to collapse

Any one purchase a cord recently they found works for TM-800? If so please share details.

cwehinger said:
Any one purchase a cord recently they found works for TM-800? If so please share details.
Click to expand...
Click to collapse
I am not sure why this discussion even exists. Just buy/use any brand name micro-usb cable (anker, monoprice, etc). My T800 worked well with all micro-usb cables except for those silly cables that came with the charger for a set of flimsy wireless headphones.

I have my T800 in an hard case and this makes it difficult to connect the standard cable as it`s now 5mm inside the case, So i bought one of those magnetic cables and i have been using it for well over a years and it`s great, I don't even need to look, It pulls itself into position with a satisfying click and i get an 1.69A charge rate.
Not all brands magnetic cables give a good charge rate, so read the reviews before you buy and from somewhere you can return it, if you get a poor charge rate.
John.

[Review]CHOETECH USB Type C Charger & USB Type C - Type C Cable Review

Hello,
I got a great discount from <MODERATOR EDITED - SPAM LINK REMOVED> on a USB Type C charger & USB Type C - Type C cable bundle for an unbiased review.
I had to pay a few Euro though but that was ok for me since it is always good to have some spare chargers & cables, just in case the stock ones break
CHOETECH USB Type C Charger:
<MODERATOR EDITED - SPAM LINK REMOVED>
The charger is slighty bigger in comparison to the stock charger you get from Google when you buy a Nexus 6P device.
The build quality is nice, I didn´t see any sharp edges. The text markings are easy to read too.
This charger can deliver a max. power output of 18W at following values: 5V @ 3A, 9V @ 2A or 12V @ 1.5A
Pictures:
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CHOETECH USB Type C - Type C Cable:
<MODERATOR EDITED - SPAM LINK REMOVED>
I got the 1m version of this cable. There is not much to say about it, it looks good and seems to be of a similar quality like the stock USB Type C - Type C cable you get from Google when you buy a Nexus 6P device.
Both plugs have a <MODERATOR EDITED - SPAM LINK REMOVED> text engraved into the plugs. The contacts seem to fit well, the diameter seems to be the same like the stock cable.
Pictures:
Tests:
I used the App Ampere for the tests in order to have a good guess, if the charger and the cable is a good replacement for the stock accessories.
I got similar values, even when I combined all pieces together. It seems that these items can deliver what CHOETECH mentions in the descriptions.
The phone is charged fast and the best readout I could get was about 2950mA which is pretty close to the 3000mA you would expect in theory.
The charger feels quite warm in comparison to the stock charger but I guess it´s still ok.
I´m happy with these items and I hope that these will last for a while.
Did you make similar experiences too ?

I can confirm this. Bought the charger and a 2m cable one month ago and I'm still very happy.

That´s great to hear. Any more opinions ?

I´m waiting for mine. This is really good replacement product..

Just thought I'd throw my 2 cents into the discussion.
I got these CHOETECH cables to review and I was quite impressed with them. In all honesty they performed identically to the cable that came with my 6p. I noticed that my phone wasn't charging as fast as it was advertised (with both stock and CHOETECH cables) and was a little confused by it. I'm a musician and travel alot and on a recent trip I charged up in my hotel room and it was as fast as advertised (0-100% in about 97 minutes). It was then that I realised the issue may be with the power at my house.
Anyhow, if you're in the market for some additional cables to add to your arsenal, these are a worthy addition!

I did the following combinations:
CHOETECH charger + CHOETECH cable: The peak current shown by Ampere was about 2950mA, this combination charges the phone as fast as the stock items.
CHOETECH charger + Stock cable: The peak current was also around 2950mA or slightly lower. This combination also worked well, I couldn´t see any differences.
Stock charger + CHOETECH cable: The peak current was also near 2950mA. The phone also charged fast.
Now there are a few things to consider:
1) Ampere or similar tools are not 100% precise and can only be used to get a good guess if everything works out fine.
2) Even the slightest mechanical variation of the cable can also increase the resistance of the cable and lower the output voltage and the current. This can be tricky with USB Type C but the tolerances are so small that you might never notice a decrease of performance around 1-2%.
3) The built in battery doesn´t have a 100% exact capacity of 3450mAh. It can also have a slight +- tolerance which will affect the time measured to charge it.
Most people won´t check the exact time needed anyway It doesn´t matter if your phone needs 1,5 hours to charge from 3% -> 100% or 1,49 hours

I bought the chotech charger and 2 cables pack. Its working fine, but the cables don't seem to seat very well within the type c fitting in the ac adapter. They wobble. The stock ac adapter and cable are very solid. Wonder if anyone else's like that. The wobbly fit doesn't fill me with complete assurance and confidence over time.

I have this charger. I'm happy with the purchase. Recommended.

Choetech
After doing a few weeks of testing with the latest Choetech Type-C to C *9.9ft(3M) cable and the Type-C 2.0 rapid travel charger, I think it's time I say a few words about them.
From my first impressions I was like wow this cable is super long. *Which could be a good or bad thing. I've been using stock cables for all my devices for a long time, and they have all been 3 to 4ft long. Which in today's world not long enough and not really logical if you need to have it behind a desk or while using it.
But anyways the cable is very nice and it actually snaps into my Nexus 6p. You can literally hang your *device from the cable without it falling to the ground. I tested the cable with CheckR app and it is approved and never had a issue charging my precious Nexus.
*Now for the charger not much I can say about it except that it just works. Charges my device from 5% to 100 in just over a hour. My Nexus says its charging rapidly on the lock screen. I have noticed sometimes when the charger is working really hard it makes a slight buzzing sound. But once the device gets to a certain percentage it stops. Now this isn't all the time just every so often. But it never effected charging. I highly recommend you all purchase these two products. You won't be dissatisfied.
Links:
CHOETECH Hi-speed USB-C to USB-C Cable 10ft(3m) for USB Type-C https://www.amazon.com/dp/B017W2RWAO/ref=cm_sw_r_other_awd_5qXNwb614QDTE
USB Type C Charger, CHOE 5V/3A 15W Rapid Wall Charger with the Latest Charging Tech *https://www.amazon.com/dp/B017I7EX46/ref=cm_sw_r_other_awd_CNXNwbRDTYX41
Sent from my Nexus 6P using Tapatalk

Let this Google employee help you find a USB Type-C cable
I have bought 2 USB-C cables to USB 3-A & one did not click in to Nexus 5x & the other one says Slow charging?

Did you buy these Choetech versions of another brand, what charger brick are you using.
Sent from my Nexus 6P using Tapatalk

The buzzing sound while charging kinda worries me. anyone else? aside from that, and the heat it puts out it seems to work fine.

smirkis said:
The buzzing sound while charging kinda worries me. anyone else? aside from that, and the heat it puts out it seems to work fine.
Click to expand...
Click to collapse
I talked to them last night. They have a new model that fixes that. Give them a email back if you purchased from Amazon. And if you buy a new one today you'll get the latest model from Choetech
Sent from my Nexus 6P using Tapatalk

The buzzing sound might be the result of saturation of the transformer built inside. I didn´t notice any buzzing since I didn´t put my ear next to the charger
A newer revision is always nice to have

Gorgtech said:
The buzzing sound might be the result of saturation of the transformer built inside. I didn´t notice any buzzing since I didn´t put my ear next to the charger
A newer revision is always nice to have
Click to expand...
Click to collapse
It's pretty noticeable when you chilling with no TV on.
Sent from my Nexus 6P using Tapatalk

I checked my unit again and I can confirm a slight buzzing noise. It is barely audible though, you really have to put your ear next to the charger. I think this is something common with most chargers and as long as the device works, I would not care too much about it