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[Q] Charger. How powerful it needs to be?

So, what specs should the charger have to be in the safe zone?
Thanks

legend474 said:
So, what specs should the charger have to be in the safe zone?
Thanks
Click to expand...
Click to collapse
The phone will only draw the current it needs, so any 5v charger will do.

legend474 said:
So, what specs should the charger have to be in the safe zone?
Thanks
Click to expand...
Click to collapse
Here's a picture a took from the charger that comes with the Brazilian dual chip variant.
It's the official Moto G charger, but I guess it only comes with the Brazilian version.
So, your answear would 5,1V or 850mah
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COol. Thanks for the replies.

ghtop said:
The phone will only draw the current it needs, so any 5v charger will do.
Click to expand...
Click to collapse
Not quite. It can't draw the current it needs if the charger is rated lower than what it needs. A 5v 500mA (0.5A) charger will take far too long to charge this phone or even not charge it at all if the phone is being used while connected to the charger.

Aleemz said:
Not quite. It can't draw the current it needs if the charger is rated lower than what it needs. A 5v 500mA (0.5A) charger will take far too long to charge this phone or even not charge it at all if the phone is being used while connected to the charger.
Click to expand...
Click to collapse
Ye, this is the reason I actually asked, since I wanted to know what's the minimum mA.
Luckily, i recently found a white usb wall adapter and just checked and it is 1000mA(1A) so all good hehe :highfive:

According to Motorola Support anything between 500mA - 1.5A should be fine and higher values will be limited to 1.5A. I cant post links yet, but info was found on MotorolaSupport twitter.

I have been cross using my Nexus 7 (2012) and Samsung S4 with each other's charger all the time in the past, it didn't do any harm. Now I am using Nexus 7 charger to charge moto g

Aleemz said:
Not quite. It can't draw the current it needs if the charger is rated lower than what it needs. A 5v 500mA (0.5A) charger will take far too long to charge this phone or even not charge it at all if the phone is being used while connected to the charger.
Click to expand...
Click to collapse
Not sure about this, but tried Alcatel charger (5V/400mA) and it took extra 50 min compare to HTC charger (5V/1000mA{1A})...

legend474 said:
So, what specs should the charger have to be in the safe zone?
Thanks
Click to expand...
Click to collapse
Any Motorola charger with the correct micro-USB tip will charge your Moto G. You will see the best results when the output of the charger is between 500 mA and 1.5 A. The higher the output, the faster your Moto G will charge.
If your charger output is higher, the MOTO G will automatically restrict the charging rate. If your charger is lower, it will simply take longer to reach a full charge.
Click to expand...
Click to collapse
^ Taken from Motorola Support Page:
h t t p s://motorola-global-portal.custhelp.com/app/answers/prod_answer_detail/a_id/97318/p/30,6720,9050

Can we use apple ipad wall charger?

fyitvest loving
legend474 said:
So, what specs should the charger have to be in the safe zone?
Thanks
Click to expand...
Click to collapse
According to Motorola, the Moto G will automatically restrict the charging rate to a maximum of 1500mA. Therefore, 2A chargers should only charge at 1500mA. This is within the allowable range listed on the Motorola support site for the Moto G. So, no direct damage to the phone circuitry or immediate damage to the battery should occur by using a higher amperage, faster 2A charger.
But, the latest official Motorola charger on the U.S. website is only 1200mA. Using a 2A charger to charge at the 1500mA maximum allowable rate may cause more long-term reduction in battery capacity than using the lower charging rate of 1200mA. See this other XDA post for my logic in coming to this conclusion ( http://forum.xda-developers.com/showthread.php?t=2564158 ).
UPDATE and CORRECTION:
I have more authoritative information directly from Battery University that changes the conclusion I draw above based on my effort to extrapolate from the Battery University website article.
The extrapolation I did in the post listed above was based on the additional loss of long-term battery capacity cited when going from a 1C to 2C charging rate. But according to direct communication from Battery University, when charging at a rate below .7C there should be no measurable improvement to long-term capacity by using slower charging rates. Charging above .7C would still be expected to add more stress to Lithium Ion Polymer batteries and likely add to long-term reduction of capacity.
So, what this means for the Moto G and Nexus 5 is that there should be no measurable difference between charging with 2A, 1.2A, 1A, or 850mA chargers as far as effect on long-term battery capacity goes. Both the Moto G and Nexus 5 are supposed to automatically restrict the charge rate at 1500mA even when using a faster charger, which is just at or below .7C for both phones. So, as long as the charger dependably keeps to 5V, a higher amperage 2A charger will be faster but pose no problem to long-term capacity.
----------------
Using the 850mA charger referenced above as shipping in Brazil should be fine to charge with in about 2-3 hours. The only issue is that the phone would need to be turned off during charging in order to not take too long -- which is a good practice anyway.

The original charger that came with my phone has: 550 mA.

Ok to leave a phone on charger overnight
youresocool said:
The original charger that came with my phone has: 550 mA.
Click to expand...
Click to collapse
550 mA charger is fine for Moto G, it will just take longer (like 3-4 hours). If your charging over night than it's not an issue. Just plug it in and leave it on over night. The Moto G will automatically stop charging when it is complete. Only advice I've seen, is that it is not good to leave a phone on the charger for long periods (e.g. over 24 hours).

MotoG said:
Can we use apple ipad wall charger?
Click to expand...
Click to collapse
Yes. I have an iPad charger and I use it with my Moto G. I haven't tested how long it lasts exactly, but it's very quick, as expected.

[Read !!] Motorola Turbo Charger gets you 8 hours of battery life in 15 minutes

Check this out
http://blog.gsmarena.com/motorola-turbo-charger-gets-8-hours-battery-life-15-minutes/
Sagar Khanapurkar
Can this be used for our Nexus 5 ??

No.

Turbo Charge will certainly not work but it will charge your device at full capacity..
The Motorola Turbo Charger can be used on unsupported devices too but for those it only delivers 15W of power.
Click to expand...
Click to collapse

i bet itll charge the n5 a little faster, considering that we have qualcomms quick charge 2,0

simms22 said:
i bet itll charge the n5 a little faster, considering that we have qualcomms quick charge 2,0
Click to expand...
Click to collapse
no it will not work .charging current is limited to 900ma in ac mode by the device itself so no other charger can cange this.
but you can try the kernel mod for faster charging it will allow it to charge up to 2 amps D
http://forum.xda-developers.com/goo...el-modules-screen-dimmer-fast-charge-t2514765

primsam said:
no it will not work .charging current is limited to 900ma in ac mode by the device itself so no other charger can cange this.
but you can try the kernel mod for faster charging it will allow it to charge up to 2 amps D
http://forum.xda-developers.com/goo...el-modules-screen-dimmer-fast-charge-t2514765
Click to expand...
Click to collapse
All phones do this. Is protection against cheaper, poorly regulated chargers. Qualcomm quick charge will likely have detection methods in place to override this
Actually we're limited to 900 for USB 3. AC is more. 1500 I think.
Sent from my Nexus 5 using Tapatalk

primsam said:
no it will not work .charging current is limited to 900ma in ac mode by the device itself so no other charger can cange this.
but you can try the kernel mod for faster charging it will allow it to charge up to 2 amps D
http://forum.xda-developers.com/goo...el-modules-screen-dimmer-fast-charge-t2514765
Click to expand...
Click to collapse
that can not be true. i use an app, currentwidget, to watch my intake while charging. and i see more than 900ma in AC. my charger is a 4.1amp dual usb charger.

primsam said:
no it will not work .charging current is limited to 900ma in ac mode by the device itself so no other charger can cange this.
but you can try the kernel mod for faster charging it will allow it to charge up to 2 amps D
http://forum.xda-developers.com/goo...el-modules-screen-dimmer-fast-charge-t2514765
Click to expand...
Click to collapse
my current widget shows 996mA
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simms22 said:
that can not be true. i use an app, currentwidget, to watch my intake while charging. and i see more than 900ma in AC. my charger is a 4.1amp dual usb charger.
Click to expand...
Click to collapse
that can be some offset or alredy the phone what ist discharging because at nearly 90% it schould not charge with full power
the fact is that the service manual say that normal charging is at 900 in ac mode fixed over the i2c bus to the (bq24192 charging chip)
that limit can be eliminated with that kernel module . after that there is a hardware portection with a resistor that limit the current to 2 amps (in my case 1.944ma )
when you will make a hardmod it will be possible to drive up to 4,5 amps (the bq24192 is capable of this but i think that then will burn the usb plug away because it get a bit hot on 2 amps

primsam said:
that can be some offset or alredy the phone what ist discharging because at nearly 90% it schould not charge with full power
the fact is that the service manual say that normal charging is at 900 in ac mode fixed over the i2c bus to the (bq24192 charging chip)
that limit can be eliminated with that kernel module . after that there is a hardware portection with a resistor that limit the current to 2 amps (in my case 1.944ma )
when you will make a hardmod it will be possible to drive up to 4,5 amps (the bq24192 is capable of this but i think that then will burn the usb plug away because it get a bit hot on 2 amps
Click to expand...
Click to collapse
996mV isnt full power charging. when its at 1300mV-1500mV you can say its at full power. and you seem to forget, the default charger is only at 1.2 amps, google sells a 1.8 amp nexus charger as well, they call it a speed charger.

simms22 said:
i bet itll charge the n5 a little faster, considering that we have qualcomms quick charge 2,0
Click to expand...
Click to collapse
rootSU said:
All phones do this. Is protection against cheaper, poorly regulated chargers. Qualcomm quick charge will likely have detection methods in place to override this
Actually we're limited to 900 for USB 3. AC is more. 1500 I think.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
primsam said:
no it will not work .charging current is limited to 900ma in ac mode by the device itself so no other charger can cange this.
but you can try the kernel mod for faster charging it will allow it to charge up to 2 amps D
http://forum.xda-developers.com/goo...el-modules-screen-dimmer-fast-charge-t2514765
Click to expand...
Click to collapse
The charger will work on our phone and would likely push close to 2a or 10W because this is the hardware limit of our devices, though the charger is capable of pushing 3a or 15W. 900mW is for USB 3.0. OPO 2a charger charges my N5 about 1.5x faster than the stock 1.2ma charger.

Turbo Charging won't work. I believe thats only for the Moto Devices. Quick Charging should work. As mentioned, our device has the Qualcomm 800 processor with quick charging capabilities. You won't get the Turbo charging speeds but faster than a normal charger. I think this is what it will give the Nexus 5:
a Quick Charge 2.0 enabled device went from 0% to 60% charge in 30 minutes, while a device without Quick Charge 2.0 using a conventional (5 volt, 1 amp) charger achieved just a 12% gain in the same 30 minutes.
Click to expand...
Click to collapse
Source: https://www.qualcomm.com/news/snapdragon/2014/06/04/quick-charge-20-has-arrived

jsgraphicart said:
Turbo Charging won't work. I believe thats only for the Moto Devices. Quick Charging should work. As mentioned, our device has the Qualcomm 800 processor with quick charging capabilities. You won't get the Turbo charging speeds but faster than a normal charger. I think this is what it will give the Nexus 5:
Source: https://www.qualcomm.com/news/snapdragon/2014/06/04/quick-charge-20-has-arrived
Click to expand...
Click to collapse
i think that quick charging also is not working because in the nexus 5 the cpu has nothing to do with the charging ( it is all controlled by the bq24192 charging chip from Texas instruments)
i made some quick measurements and figured out that the voltage in ac mode is very critical
it should be at least 5v because with a voltage of 4.990 the current will already begin to fall.
with 4.9v the phone charge only wit 780ma and mine will need 5.010v to charge with 1A ( my bq24192 is a little bit out of spec. it schould only have a current limit failure of about 7,5% )
when you go further with the voltage it will also charge faster then only the current is limited (P=U x I)but the phone will lockout at nearly 7V because of the over voltage protection
so i think the best will be to by a charger that deliver at least 5.1v .
with the kernel module it is a little bit different , the the current will rise at nearly 2A at 5.6v so when you will have fast charging with the n5 you will need a charger that has 5.6 volts minimum and can deliver 2 amps.
otherwise the mod will not take its full power out .
full current
alredy a little drop in current but already nearly 20% slower charging
massive drop in current and charging speed (35% slower than with 5.3v )

primsam said:
i think that quick charging also is not working because in the nexus 5 the cpu has nothing to do with the charging ( it is all controlled by the bq24192 charging chip from Texas instruments)
i made some quick measurements and figured out that the voltage in ac mode is very critical
it should be at least 5v because with a voltage of 4.990 the current will already begin to fall.
with 4.9v the phone charge only wit 780ma and mine will need 5.010v to charge with 1A ( my bq24192 is a little bit out of spec. it schould only have a current limit failure of about 7,5% )
when you go further with the voltage it will also charge faster then only the current is limited (P=U x I)but the phone will lockout at nearly 7V because of the over voltage protection
so i think the best will be to by a charger that deliver at least 5.1v .
with the kernel module it is a little bit different , the the current will rise at nearly 2A at 5.6v so when you will have fast charging with the n5 you will need a charger that has 5.6 volts minimum and can deliver 2 amps.
otherwise the mod will not take its full power out .
full current
alredy a little drop in current but already nearly 20% slower charging
massive drop in current and charging speed (35% slower than with 5.3v )
Click to expand...
Click to collapse
Too technical for me

So buying Speed Charger by Google will be a better option rather than going for Motorola Turbo Charger ?

Fast Charging "Homemade". What are the risks?

I lost my original Fast Charger in my school and now I'm without one. The problem is, that sometimes I need that great feature.
My question is, can I disassembly a random 9V charger and "adapt" a Micro-USB cable to it? Since the GS6 supports 9V I don't see a problem there. Or must I short some data pins in order to enable fast charging to not fry the device?

Why don't you just buy a new one?

I definitely think that's not a good idea. Buy a new one. If you are worried about Samsung charger price you can buy a cheaper charger that support Qualcomm 2.0 quickcharge, it's compatible.

I thought the whole thing was dynamic, that at lower battery levels it charges at different amperage than higher levels, and at a certain point it kicks over to 5V. It doesn't charge at 9V the whole time.
Sent from my SAMSUNG-SM-G920A using XDA Free mobile app

@quarlow is right, it's dynamic.
You should buy a new one, much more safe.

If I plug a normal 'old' 600mA 5V charger to it, it says that it will charge in 6 HOURS! I can't wait for that.
I have disassembled the charger, unsolded the Female USB plug and solded it to an 9V charger from an TP-Link Switch.
I plugged it in and the phone started charging. It says "Cable charging" instead of "Fast charging" and it stated 6 hours too. After that, I shorted the data pins and then the time reduced to 2 hours...
I also tried a 12V charger (1.5A), but it don't charged, nor maked any charging sound.
Now I concluded two things:
1. Samsung S6 phones are very robust with charger voltages :silly:
2. It isn't that easy to make a fast charger.
I hope I have saved some questions now
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Thanks for all the replies, but now I haven't money to buy one. Where I live, they are really expensive!
Oh, aaand, I don't know if it's a good idea to charge at 9V the whole time, because when it reaches 100%, I hear constantly the charging sound.

Looking at a Samsung Travel Adapter change...
https://www.dropbox.com/s/54xt2u315nn1tkt/2015-09-27 14.04.18-1.jpg?dl=0
Output is: 9v at 1.67A, or 5v at 2.0A. It's listed as an adaptive charger.

numloxx1978 said:
Output is: 9v at 1.67A
Click to expand...
Click to collapse
Thanks, I will search for an 9V charger that has this amperage.
Btw, some chargers have adaptive 12V output.... Is that QuickCharge 3.0?

A normal Samsung or LG charger of 1.8A/2A output still charge my S6 in about 1.5 hours. Get one from a relative or friend or buy one if the S6 charger is too costly

Fullmetal Jun said:
Get one from a relative or friend or buy one if the S6 charger is too costly
Click to expand...
Click to collapse
I tried already. These options are not available
:silly:

Info
Fusseldieb said:
I lost my original Fast Charger in my school and now I'm without one. The problem is, that sometimes I need that great feature.
My question is, can I disassembly a random 9V charger and "adapt" a Micro-USB cable to it? Since the GS6 supports 9V I don't see a problem there. Or must I short some data pins in order to enable fast charging to not fry the device?
Click to expand...
Click to collapse
the factory charger got in fire sometimes i don know abt home-made chargers... take care dude

You gotta be kidding. Spend $10 and get a QuickCharge 2.0 adapter.
Don't risk it. Samsung Fast Charge is the same thing as Qualcomm Quick Charge. It's Qualcomm's technology, licensed with no loyalty fee.
QuickCharge 2.0 uses the data pins to negotiate the charge voltage with your power adapter. Otherwise it just uses 5V.
I see on my S6 it stays at 9V all the time. The phone pulls the current it needs, so you don't have to try to match that current on the power adapter side. Just make sure it's at least 1.6A, preferably 2A. I never saw my S6 pulling 2A at 5V or 9V.

I'd imagen as this a form for devs . And this guy is trying to create somthing . The devs would be a bit more yaknow . Creative. First off
The guy is trying to make the adaptive charger .give him a bit of credit . I'm currently making a portable charger and I want it to use samsung fast charge
I'm using 18650 battery's 4.2 volts fully charged 3.7 volts give or take when they sag.
So if there is anyone with half a brain out there. How do you get the 9v (8.4) amp to make it a fast charger ( under one and a half hours. ) I'll worry about building the switch to the 5 volts after ( 4.2)
Is it loop the pins . Pin to earth pin to positive loop pins to negative ) the information isn't out there so surely some one has the information. ( just FYI the sgs6 is perfectly capable of being charged at 9 volts. The battery is a nine volt according to the build information explains why charging with any other charger takes 6 hours. .
Also to the op if you did indeed have a similar idea to me just tell erm straight I wanna mess about with low current and voltage dc haha. ( also I tried 18 volts samsung phones do no alow the charge over 9volts so it cannot hurt you're phone

Quick charge or not?

Does this phone support quick charge? I ask because 2 coworkers got the Blu and let me play with it. Might be returning my Nexus 6 and grabbing one. Issue is I have the Anker 18W quick charger w/led. The led turns green whenever a phone that is quick charge compatible is plugged into it, and stays blue when a phone is charging at normal voltage. When I plug in my Nexus 6 or my Zenfone 2, or my wife's S6 the light turns green immediately, yet when I plug in the Pure XL it stays blue just like my older phones. So does this phone support quick charge really? I see in the specs it states it does.

The phone claims to have quick charge. I've been using it since last night and if it had quick charge it's a slow quick charge. Coming from the note 4 it's SIGNIFICANTLY slower for sure. It's border line a deal breaker for me. The battery life isn't as good so far and the quick charge is slower.

Im with you on the quick charge being slower. Coming from using the Nexus 6 for the past few weeks, I can argue that the battery life is slightly better than the Nexus, but the Nexus would charge lightning fast, kinda made the battery a non issue. Im gonna wait until the battery on my Nexus and the Blu are both at around 50%, then Ill plug the Nexus into a standard charger and the Blu into a quick charger and see if there is a difference.

But does blu support the quick charger of nexus 6 ? I think it is silly that now all the phones use same charging port but manufacturers make different quick charge protocols.
You can install a charge monitor app, for example "ampere" from market to see the charging speed. All that matters is the mA charge speed. Quick chargers will charge faster from 0% to 50%-85% because they can pump in power faster into the empty battery, but they have to slow down as the battery gets full or too warm.

yurtesen said:
But does blu support the quick charger of nexus 6 ? I think it is silly that now all the phones use same charging port but manufacturers make different quick charge protocols.
You can install a charge monitor app, for example "ampere" from market to see the charging speed. All that matters is the mA charge speed. Quick chargers will charge faster from 0% to 50%-85% because they can pump in power faster into the empty battery, but they have to slow down as the battery gets full or too warm.
Click to expand...
Click to collapse
I haven't gotten Ampere to show a normal drain value (0 mA is all it will display) and the charging values are all over the place (1.8A - 2.8A). I looked at various stories and MediaTek's specs on the MT6795 and there isn't anything about fast/quick charging. I think I charged about 40% (50% to 90%)in 20 minutes the second day I had it. It has a couple charge cycles on it now, though, so I will pay attention the next time the battery is low and see how fast it charges.
---------- Post added at 03:22 PM ---------- Previous post was at 03:16 PM ----------
DrBrick said:
I haven't gotten Ampere to show a normal drain value (0 mA is all it will display) and the charging values are all over the place (1.8A - 2.8A). I looked at various stories and MediaTek's specs on the MT6795 and there isn't anything about fast/quick charging. I think I charged about 40% (50% to 90%)in 20 minutes the second day I had it. It has a couple charge cycles on it now, though, so I will pay attention the next time the battery is low and see how fast it charges.
Click to expand...
Click to collapse
I will add that I have an Aukey QuickCharge 2.0 charger and it only shows a 1.4A charging rate but the Blu charger shows 2.8A so there is probably something MT specific going-on.

Quickcharge 2.0 charger is probably incompatible with MTK fast charge. 1.4A sounds like the normal charge current. But 2.0 - 2.8A sounds right for fast charging. Perhaps the values are correct, it may be fluctuating. If I remember correctly, I saw 2.2A in my nexus 6 when it was 75% charged. (I should also check it from empty but I usually just keep it in charge so charge never goes under 50%).

It does fast charge using the charger that came with the phone.... If you look at the charger specs it reads 5/9 volt 2.1 amps.... Probably has a small procceser in the charger the phone sends a signal to that switches it to 9 volt charge

My phone charges very fast with included charger. I also tried a no name Quick Charge adapter ... also charges fast, but first shows Over Voltage Warning

The rate of charge is much higher when the battery % is low.
Screenshot from GSam Battery Monitor.
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Sent from my PURE XL using Tapatalk

My HTC One X9 chipset is Mediatek MT6795 Helio X10. At HTC India website, they say something like 'Fast charging (5V/1.5A)' which doesn't sound faster obviously and my phone takes 2 hours to charge. My Samsung Note 2 was still faster (5V/2A). Mediatek MT6795 supports Pump Express Plus charging. Do you think my HTC phone support faster charging (higher voltage charging)?

its been my expierence that using the included charger fast charges, but if i use a "quick charge" charger it slow charges... but if I use a generic 2.4A charger it charges fast... stock Samsung Note charger SUCKS on these phones

Golden Shovel for me, but I think there's no need to create another topic
I have the new Blu Vivo XI+, which came with a " fast charging 5v/2A charger", thing is my phone has the P60 processor, which supports Pump Express 4.0, thats 5v/5A, it's ridiculous that Blu is shipping a common charger with a processor capable of such fast charging, anyone knows if the technology must be enabled on the phone itself, or if I just buy a 5v/5a charger it will work?

Mi 4C Charging Current (simple test)

I have found Mi 4C's charging current quite bizarre, more so than what was shown in: http://forum.xda-developers.com/mi-4c/general/xiaomi-mi-4c-charging-analysis-part-1-t3209028
I don't have fancy equipment so I just downloaded the Ampere app to test the charging current. While the app is not meant to be an accurate measure of the current, I find its result quite consistent with the charging time that I obtain. (My Mi 4C is running TS CM13.)
Results:
1. Original charger + original cable = 4.41V/1220mA
Not sure if the voltage measurement is correct. I thought it would be 9V as indicated in the post which I link to above. But at least the current is quite consistent with what the others have got. It takes around 2 hours for an full charge.
2. Computer USB 2.0 port + original cable = 4.24V/250mA
It takes forever to charge. I have no idea why the current is so low. The same USB port is able to output 450mA on another phone.
3. Original Charger + 3rd party cable = 4.21V/170mA
I have no other USB Type-C device so I can't test if the cable is functioning properly. But this is just weird.
4. Portable Charger (5V/1A output) + original cable = 4.36V/860mA
This feels normal.
So I have two questions:
1. Why is charging through computer USB port so slow? I have selected "Charging only", not running any ADB.
2. Can Mi 4C work well with 3rd party cables?
It would be great if you could share your charging experience with Mi 4C. Thanks in advance.

I think the thing with Ampere is, it needs to have your screen on to measure. And it doesn't really measure the current, it takes the average charge rate of your battery and converts that to Amperes based on your total battery capacity (that is why it takes a few seconds to show). So whatever you read in ampere is your net charge rate, not what the charger is providing (whatever is draining your battery is included in the equation, your screen will be the biggest drain, you can test this with the brightness).
So that is why your usb charging looks like it's at half rate, it is probably 450-500 when the screen is off.
The 4c works well with 3rd party cables, provided they are not faulty of course. After all, the original cable is also just a transformed usb 2.0
The phone will basically never pull more power than it can handle. The charger however could be damaged if it's coupled with a bad cable and a device that draws more power.

legacyofthevoid said:
I have found Mi 4C's charging current quite bizarre, more so than what was shown in: http://forum.xda-developers.com/mi-4c/general/xiaomi-mi-4c-charging-analysis-part-1-t3209028
I don't have fancy equipment so I just downloaded the Ampere app to test the charging current. While the app is not meant to be an accurate measure of the current, I find its result quite consistent with the charging time that I obtain. (My Mi 4C is running TS CM13.)
Results:
1. Original charger + original cable = 4.41V/1220mA
Not sure if the voltage measurement is correct. I thought it would be 9V as indicated in the post which I link to above. But at least the current is quite consistent with what the others have got. It takes around 2 hours for an full charge.
2. Computer USB 2.0 port + original cable = 4.24V/250mA
It takes forever to charge. I have no idea why the current is so low. The same USB port is able to output 450mA on another phone.
3. Original Charger + 3rd party cable = 4.21V/170mA
I have no other USB Type-C device so I can't test if the cable is functioning properly. But this is just weird.
4. Portable Charger (5V/1A output) + original cable = 4.36V/860mA
This feels normal.
So I have two questions:
1. Why is charging through computer USB port so slow? I have selected "Charging only", not running any ADB.
2. Can Mi 4C work well with 3rd party cables?
It would be great if you could share your charging experience with Mi 4C. Thanks in advance.
Click to expand...
Click to collapse
look at this!
https://forums.oneplus.net/threads/charging-analysis-between-oneplus-2-and-xiaomi-mi-4c.387573/
The AMPERE App shows you the current chargeing ampere minus the usage and no Votlage from the charger!
The app show you 4,41 V and 1220 mA that says the battery has a voltage 4,41 V that is the charge state (battery %) and the
1220 mA say that the charger charge with that speed minus the actual using (-~300mA) 1220+300=1520 mA voltage unknow

Can't really say that Ampere or any other app for that matter is accurate in measuring the charging current. I would say get an actual hardware (i know there's one that you connect to the charger) that measures charging current if you really want to test charging current that bad.
As for me I only charge my phone in 2 different ways:
1. Thru the stock wall charger. From 0-100, it takes roughly 2hrs and 20mins. Quite fast for a battery with 3080mAh. Slower when compared to other 2015 devices with quick charge 2.0 i.e. the LG G4 that charges 0-60 in 30mins vs the Mi 4c's 0-40 in 1hr. Hopefully this is just a kernel limitation which remains to be seen till Xiaomi releases the kernel source.
2. Thru my powerbank with 2A output which takes about 3hrs+ from 0 to 100

Try this app: https://play.google.com/store/apps/details?id=com.slash.electron&hl=en

I think the decision of making USB 2.0 with type-C connector is kinda faulty. I tried using my Mi Pad 2's cable which is a true type-C and the charging time is much faster. I don't want to use 4c's cable anymore.

So far the most effective combination for me has been aftermarket qc2.0 charger and factory cable. With that combo, charge times have been comparable to my moto x (2014)
Using any of my micro USB cables with a type c adapter has resulted in substantially slower charge times, regardless of charger.
I have a couple other third party type c cables coming tomorrow. Hopefully I can find another successful combination.

does it come with usb3 (+cable)?

As far as I know it's a standard USB cable with a type C end slapped on it.

sounds kinda useless

I wouldn't go so far as to say its useless. It charges the phone and allows for data transfer. Those are fairly useful things.

well, i was more relating to the nature of the cable as stated before:
leledumbo said:
I think the decision of making USB 2.0 with type-C connector is kinda faulty. I tried using my Mi Pad 2's cable which is a true type-C and the charging time is much faster. I don't want to use 4c's cable anymore.
Click to expand...
Click to collapse
anyway, i got the phone myself now and gonna try some other cables/chargers. my plan is to compare AUKEY, Blitzwolf, RAVPower and Qualcomm devices. big effort, but i have made pretty bad experiences with chargers (slow, noisy etc...)

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i have tested a new Car charges from China... QC2 and it Works very good! the Phone charges veeery fast
Gesendet von meinem Mi-4c