Charging Galaxy Nexus - Data versus Charge only Micro USB cables

stubborn

New member
Feb 13, 2013
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So I've setup chargers at multiple places in my home, in both cars and at work. I noticed differences in charge levels and charging times between these and was trying to rectify those with problems. Did a bit of reading and this is what I understood.

High power chargers(2.0 A or even 1.0 A) will charge the device faster.

Micro USB cables can be data/charge cables or charge only cables. If I get a wall USB adapter and plug a Data/charge cable to it, the phone will consider it a USB connection and trickle charge

My doubt is this

1) I have a Wall USB adapter (I will refer to it as wall adapter A) which when used to charge the phone always shows "charging (usb)" on the battery settings screen on phone. The same cable with a Motorola wall USB adapter shows "charging (AC)". So this cable has to be a charge only cable right? I mean if it was a data+charge cable , then the phone wouldn't have detected the Motorola Wall plug as a AC charger. In that case, why does the phone show "charging (usb)" when using "wall adapter A" ? Is it because Wall adapter A supplies 500 ma or less?

2) If the cable used in previous case is not a data+charge cable, how is it that my phone is seen as a portable media device when I connect it to computer via this cable and I am able to transfer files back and forth between my PC and phone?
 

gnr_2

Well-known member
Oct 13, 2012
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So I've setup chargers at multiple places in my home, in both cars and at work. I noticed differences in charge levels and charging times between these and was trying to rectify those with problems. Did a bit of reading and this is what I understood.

High power chargers(2.0 A or even 1.0 A) will charge the device faster.

Micro USB cables can be data/charge cables or charge only cables. If I get a wall USB adapter and plug a Data/charge cable to it, the phone will consider it a USB connection and trickle charge

My doubt is this

1) I have a Wall USB adapter (I will refer to it as wall adapter A) which when used to charge the phone always shows "charging (usb)" on the battery settings screen on phone. The same cable with a Motorola wall USB adapter shows "charging (AC)".

So you have two USB wall adapters and one USB cable that you move between them? Wouldn't the cable always be the same type of cable? Or are you suggesting that for one adapter it is only a power cord and for the other one it does both?


Sent from my totally awesome Sprint Galaxy Nexus, even if I don't know all its secrets yet.
 

stubborn

New member
Feb 13, 2013
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No that was part of the diagnostic I did to find out the best charger/cable combo. I have separate cables for each charger.
 

rhea

Well-known member
Aug 2, 2011
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In that case, why does the phone show "charging (usb)" when using "wall adapter A" ? Is it because Wall adapter A supplies 500 ma or less?
Based on my limited experience, I'd suggest this is the case. All my wall chargers charge my Gnex, nexus 7, and nexus 4 at a/c charging rate, but i have a USB car charger that only charged the devices as USB until I got a charge-only USB cable. Mediabridge said phone only pulls 500ma on their charger. Don't know how accurate but that's what I've experienced.


Sent from my Nexus 4 using Tapatalk 2
 

duner53

Member
May 29, 2012
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This charge-only cable thing is news to me. I thought micro-USB was basically standardized, and was supposed to prevent such stupid problems as this. Is there any other way to fix this issue aside from the cable being used, like some kind of software setting? This would explain why my phone still dies even while charging from my portable battery if I am using the phone.
 

seneca88

New member
Jan 21, 2012
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Is anyone can guide me to disable the fastcharge in aosp rom? i have already disabled this feature on kernel. But the slow charge still cannot be restored. Heard that all aosp roms are having this thing enabled on default. i prefer having data transfer rather than fastcharge...
 

nelschroeder

Well-known member
Dec 14, 2012
166
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Maybe I'm just a little slow here but my out of the box Gnex wall charger came with a USB cable that charges and transfers data. I bought a spare micro- USB and I use it with my wall charger and with my computer and with my car radio. It also charges and transfers data and so I live my life with relative ease and spend my time sweating the real important things like making certain I get Duck Dynasty recorded each week or who is going to get kicked off Biggest Loser or whether Honey Boo Boo sells enough Girl Scout Cookies....I apologize for being fecitious but just buy a cable and charge your phone....I say the faster it charges the better.... oh and it might as well transfer data while it's at it....

Sent from my Galaxy Nexus
 

WalkerI

New member
Oct 21, 2013
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I like your sense of humor, but you should refrain from giving advice on electronics. There are 2 different USB cables that look identical, one strictly for charging and one for data and charging, and regardless of your experience, they can dramatically effect charging times, at least on certain devices/charger combinations.

Stick to humor :)
 

patruns

Well-known member
May 21, 2011
3,204
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I like your sense of humor, but you should refrain from giving advice on electronics. There are 2 different USB cables that look identical, one strictly for charging and one for data and charging, and regardless of your experience, they can dramatically effect charging times, at least on certain devices/charger combinations.

Stick to humor :)

Maybe you should stick to current events. The last post on this is over 7 months old. :)
 

sousabone3

New member
Mar 22, 2011
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Maybe you should stick to current events. The last post on this is over 7 months old. :)

You should, please, consider trying to stick to being helpful on Forum Discussions such as this. I find this topic to be really interesting and especially important! The inappropriate humor from apparent ignorant members just passing by and stopping in to troll, is definitely not helpful, as Walker has already made clear. Despite your opinion on the timeline of this thread, this is good information and reports of experiences and facts.

I believe the fact that there is a difference between charging and data+charging cables is a extremely handy little tid bit of knowledge. This thread helps to inform. As it did today for me, long after the original post! But im sure because this thread is 'so old" that ,apparently, forum member "patruns" would not approve of anyone benefitting from it still being open for what thats worth to anyone. I find sharing of knowledge and learning especially pertaining to something we love as much as our gadgets quite fun.

So in the future think twice and with a little objectivity before you interrupt progress.

Sorry for the rant but some people, I just dont understand their actions sometimes.
 

patruns

Well-known member
May 21, 2011
3,204
68
48
You should, please, consider trying to stick to being helpful on Forum Discussions such as this. I find this topic to be really interesting and especially important! The inappropriate humor from apparent ignorant members just passing by and stopping in to troll, is definitely not helpful, as Walker has already made clear. Despite your opinion on the timeline of this thread, this is good information and reports of experiences and facts.

I believe the fact that there is a difference between charging and data+charging cables is a extremely handy little tid bit of knowledge. This thread helps to inform. As it did today for me, long after the original post! But im sure because this thread is 'so old" that ,apparently, forum member "patruns" would not approve of anyone benefitting from it still being open for what thats worth to anyone. I find sharing of knowledge and learning especially pertaining to something we love as much as our gadgets quite fun.

So in the future think twice and with a little objectivity before you interrupt progress.

Sorry for the rant but some people, I just dont understand their actions sometimes.

Welcome to the forums.
 

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