i use my dock to charge, the power comes from stock 1500mAh charger to the dock. i am frequently noticing very slow charging or it doenst seem to be charging.. following is the screenshot ..
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so the last recent charge when i put the device on the dock last night was for 6-7 hours.. that should be sufficient for the device to charge 100% it can be seen that there was no awakes and the screen was off during this period.. what could be the problem?
More info about which Rom kernel are you using?
Did you tried to reboot your phone?
Sent from my C6603 using xda premium
gm007 said:
More info about which Rom kernel are you using?
Did you tried to reboot your phone?
Sent from my C6603 using xda premium
Click to expand...
Click to collapse
am on monXdifiedZ - http://forum.xda-developers.com/forumdisplay.php?f=2087
Maybe a bug in the rom.
Sent from my C6603 using xda premium
Are you using the supplied cable with the charger?
I personally only get a decent charge rate with the supplied cable. I have tried other cables of decent enough quality, but they don't seem to supply enough power to charge the phone at the charger's full capacity.
Sent from my C6603 using Tapatalk 4
kingvortex said:
Are you using the supplied cable with the charger?
I personally only get a decent charge rate with the supplied cable. I have tried other cables of decent enough quality, but they don't seem to supply enough power to charge the phone at the charger's full capacity.
Sent from my C6603 using Tapatalk 4
Click to expand...
Click to collapse
i am not using the supplied cable. may be i should try with that once..:good:
d3athAdd3r said:
i am not using the supplied cable. may be i should try with that once..:good:
Click to expand...
Click to collapse
I don't think sony put a charger and cable in the box for decoration
Sent from my C6603 using xda premium
gm007 said:
I don't think sony put a charger and cable in the box for decoration
Sent from my C6603 using xda premium
Click to expand...
Click to collapse
what i said was i am not using the supplied cable. i am using the Sony charger if you have read the first post. i assumed that it was just wires so i was still my previous cable.
It's strange. I have a decent 24awg cable that charges other android phones/devices in the house just fine. When I use it with my Z, however, it charges very slowly.
I'm looking at ordering a few more cables to try out, as I need a slightly longer cable than the one supplied, due to socket/bedside table placement (I don't want extension cables trailing across the room!).
Sent from my C6603 using Tapatalk 4
kingvortex said:
It's strange. I have a decent 24awg cable that charges other android phones/devices in the house just fine. When I use it with my Z, however, it charges very slowly.
I'm looking at ordering a few more cables to try out, as I need a slightly longer cable than the one supplied, due to socket/bedside table placement (I don't want extension cables trailing across the room!).
Sent from my C6603 using Tapatalk 4
Click to expand...
Click to collapse
There is a Nokia Charger that has a very long cord. I love it. It is rated at 1200mAh but charges as fast as the bundled charger.
Im currently experiencing that problem. Before, USB is really fast...from close to empty to 100% in less than 2 hours...recently though, it sort of degrades.
Now, my dock charger is faster than my USB charger.
I tried other chargers and cables too(from SONY too and 1 LG) but it seems its not the charger.
It could be software bug or worse...the Micro USB socket is broken.
I'll try flashing clean fware first to eliminate software bug...I'll let you guys know.
---------- Post added at 05:40 PM ---------- Previous post was at 05:39 PM ----------
Im currently experiencing that problem. Before, USB is really fast...from close to empty to 100% in less than 2 hours...recently though, it sort of degrades.
Now, my dock charger is faster than my USB charger.
I tried other chargers and cables too(from SONY too and 1 LG) but it seems its not the charger.
It could be software bug or worse...the Micro USB socket is broken.
I'll try flashing clean fware first to eliminate software bug...I'll let you guys know.
I thought this was just an xperia problem in general. With most.chargers I cant use the phone or it will still drain, and finding the right.combinationof cable and wallwart has been a matter of trial and error. I have an hp block with 2.5 amps output, that combined with a sturdy lg cable is the only mix that charges at a reasonable speed and lets me use the phone at all without continuing to decrease batttery. I had the same issue on several stock firmwares and 2 custom roms, so I donth think its an issue with monx rom.
Also: there is nothing special about the branded charger that came with it, it comes down to output and a quality cable. The stock.charger was **** for me as well, I took it apart and there is no chip or special hardware in it or anything, its just a cheap charger with staneard 1.5 amps out and a decent usb cable.
i used the charger from galaxy s4 ( 2A) to charge my xperia z ultra but it didn't charge it faster than the sony stock charger ( 1.5A). Weird. it seems that the phone doesn't allow more amps to be transfered. thats ashame cause if you use the phone while charging it doesn't charge almost at all. the consumption is higher than the charge rate
I know this topic is old, but I'm experiencing the same problem and haven't found any way out, and I think there's no point in starting a new thread while this one hasn't been locked. Has anybody figured out the reason and/or any solution?
About midnight, I connected my Xperia to the charger. It still had about 15% of battery then. And at 7am I realized it had only 65%. So, it took 7 hours to charge it about 50%. Does it really have to last that long? More than a half a day to recharge the battery fully, providing I wouldn't use the phone at all?
Currently, I use a Nokia charger, which gives 5.0V/1200mA (at least they say so and I have no way to verify it), but using the original one, with the cord it was supplied with, changes nearly nothing. Using a USB port of my computer instead of any charger doesn't help at all.
I currently use CM 12.1, but I had used stock ROM and had experienced the same problem then.
Any ideas, please? This is really driving me insane.
I have the same problem. It's not problem of battery for sure. Battery drain normalny, just can't charge. Sometimes I can charge my phone in 2h but typically it's about 10 hours....
Edit: in accubattery app I can See that electric current when charging is jumping from - 700mA to +800mA :|
for everybody who have problem with charging, I have some suggestion.
First, do a clean install of your desired ROM that have fast charge ability on the kernel (like RR or Linegae OS) and turn on the fast charge option. If your kernel doesn't have this ability, no problem. Just do a clean install to make sure everything is good.
Second, buy a high quality original Sony charger. Mine is UCH10 5.0V/1800mA.
Last, use high quality USB cable that has short and thick cable.
With this, my device took 1.5 hour charging time from 4% to 95%. But device get more heat during charge.
Hope this tips help you guys.
Sorry if my english is bad.
Related
With my previous phone (Samsung Galaxy S2) you could make the phone think it was connected with an AC charger by shortening the two middle usb pins. This would make the phone charge with 1000mA instead of 500mA.
But somehow HTC uses a different approach. I shortened the two middle pins of my car charger, but the phone still 'knows' it's on a usb charger. So the middle pin tric is not working on the HTC One. Does anybody know how to make the phone think it's on a AC charger, and therefore being charged with 1000mA instead of 500mA?
I'm using this charger: http://www.hamaholst.nl/NL/29207/ipad-gen1-2-3-mini-autolader-5v-21a.html
IMO it is a bit silly shorting out pins. But it's your device you can do what you like.
shadowboy23 said:
IMO it is a bit silly shorting out pins. But it's your device you can do what you like.
Click to expand...
Click to collapse
Just to be clear, I shortened the pins of the car charger, not the pins of the phone.
This has already been done with many other phones (shortening the two data pins) but on the One it does not work, the phone still says USB charging...
-oeps-
I took an AC charger apart, and guess what, the two middle usb pins are shortened!
So what else tells the phone whether it's on an AC or USB Charger???
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why would you want to do this?
Bart1981 said:
I took an AC charger apart, and guess what, the two middle usb pins are shortened!
So what else tells the phone whether it's on an AC or USB Charger???
Click to expand...
Click to collapse
Not entirely sure but perhaps the AC or DC would be what indicates it.
pfout said:
why would you want to do this?
Click to expand...
Click to collapse
..to speed up usb charging
Sent from my HTC One using xda app-developers app
pfout said:
why would you want to do this?
Click to expand...
Click to collapse
To prevent the phone from draining while using navigation software. That's why
Sent from my HTC One using xda premium
Bart1981 said:
To prevent the phone from draining while using navigation software. That's why
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
That charger would charge at 1amp either way. If your battery charge is high, nothing you do short of enabling Fast Charge will charge more than 500mAh even on AC. That's just how the battery works. From 0% to about 80%, it charges at 1amp, and when it touches 80%, even on an AC charger from the wall it will drop to 500mAh.
ArmedandDangerous said:
That charger would charge at 1amp either way. If your battery charge is high, nothing you do short of enabling Fast Charge will charge more than 500mAh even on AC. That's just how the battery works. From 0% to about 80%, it charges at 1amp, and when it touches 80%, even on an AC charger from the wall it will drop to 500mAh.
Click to expand...
Click to collapse
Yeah I read that. But as long as my car charger is recognised as an usb charger instead of an ac charger, it will never charge with 1A, even if the battery level is below the 80%
Sent from my HTC One using xda premium
Bart1981 said:
Yeah I read that. But as long as my car charger is recognised as an usb charger instead of an ac charger, it will never charge with 1A, even if the battery level is below the 80%
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
Sometimes it's the cable that needs changing. I've had perfectly good USB cables that would only charge at 500mAh and couldn't transfer data. The thicker ones are usually good for full 1amp charging
ArmedandDangerous said:
Sometimes it's the cable that needs changing. I've had perfectly good USB cables that would only charge at 500mAh and couldn't transfer data. The thicker ones are usually good for full 1amp charging
Click to expand...
Click to collapse
Tried different cables. This is not a new thing, with the galaxy S2 it was the same story. Some car chargers are just recognised as usb chargers. And when the phone detects the usb charger/computer charge is switches to the 500mAh max charge
Sent from my HTC One using xda premium
have you tried using the official USB cable for the car that comes with HTC's Car Kit? in my experience that seems to charge my phone pretty fast
sieg131 said:
have you tried using the official USB cable for the car that comes with HTC's Car Kit? in my experience that seems to charge my phone pretty fast
Click to expand...
Click to collapse
Nope, tried offcial charging cables from Nokia and Samsung. I don't have the official HTC carkit cable.
Bart1981 said:
Nope, tried official charging cables from Nokia and Samsung. I don't have the official HTC carkit cable.
Click to expand...
Click to collapse
yeah it's different than other cables, auto turns on car mode too.
sieg131 said:
yeah it's different than other cables, auto turns on car mode too.
Click to expand...
Click to collapse
That's true. But to be honest, I don't really need the auto mode, just need the higher mA to charge my phone while navigating
Offcourse I can also buy the official HTC CC C220 for about 10 euro's, but I would like to use my pico charger instead of a large charger... But looks like it's not gonna work out
So I guess the solution to this is that you need a USB cable that tells your phone it's an AC charger..
I just wanted to know how long it takes to charge Note 2. Mine is on charging the entire night yet it goes to a max of 70%. Where as with hours of charging from pc usb it charges to a 100%.
Get the Galaxy Charging Current app in the play store, then check your cables. Probably bad cable. My original samsung cable was good until a couple months ago when it suddenly went from 1600 ma to 300 ma when it was charging.
Phone modify charge speed whith different cable configuration.
Your cable or connector have a problem.
It's a very simple math. Your N2 battery 3100 mAh. If you use Samsung 2A (2000 mA) charger, it will take you 3100 mAh / 2000 mA = 1.55 h to charge your phone. This is an ideal number considering phone is off (nothing else is draining your battery in parallel). Considering some efficiency factors it will be closer to 2.5 hours since you will not be able to get ideal 2A out of charger anyway. Your charger has the converter and usb cable. If you are not using original converter but rather something you got off ebay, most likely its rated a lot lower, maybe 1A or maybe even less - your charging speed will go down. Then, if you are using cheap usb cables - those might be able to handle only 500 mA of current (typical PC/laptop usb power) - slowing down even more. Plus, when you are charging your phone and you are running some cpu intense apps in the background (like GPS still on, etc.) - you could be discharging your phone at a fast rate in parallel with charging it up.
There are a lot of factors that will be contributing to slow charging speed of your phone. Typically converter and cable are the main ones.
Vectron is quite spot on. My Note 2 charges from >5% to 100% in about 2 and a half hours with the original Samsung AC adapter and USB cable if I'm not using the phone. The charge time dramatically increases if I use a low quality aftermarket cable.
I use an old 850 mA Palm charger which has a nice, thick, low resistance cable. Average time from ~10% to 100% is 3hrs.
Sent from my SPH-L900 using Tapatalk
https://play.google.com/store/apps/details?id=com.abmantis.galaxychargingcurrent.free
Check your charging current with the above app, my Note 2 comes with a 2A stock charger and with the stock usb cable I get average of 1800mAh which would charge my phone from 0% to 100% in about 1~2 hours, i have a few third party charger/cable too, I used the said tool to find out their charging quality.
Also if you got a third party charger, check its label, they usually have the average currents stated there, if you got a 300~460mah charger it will take a while to fully charge your Note 2.
Check your charger or cable it should take a maximum of 2 hours and half to fully charge the phone.
Sent from my GT-N7100 using XDA Premium 4 mobile app
around 2h 15 minutes from 0, charging at 1.6A
iTTi said:
I just wanted to know how long it takes to charge Note 2. Mine is on charging the entire night yet it goes to a max of 70%. Where as with hours of charging from pc usb it charges to a 100%.
Click to expand...
Click to collapse
u might want to install this " GalaxyChargingCurrent_v1.1"
to measure your cable and charger whether supply 2Amp that they should,.
anything show above 1400 then u are fine,
I have an issue charging my 7105 where it will only put through between 100-400mah (according to the Galaxy Current Lite playstore app) through causing 8+ hour charges and fast battery drain, which seemed to be the case with 4 Different MicroUSB cables and 2 chargers.
I ended up fixing this with a custom kernel and rom (beanstalk) using the cable reporting 400 and the original standard charger.
With the uNEAK Engine, I ticked "Ignore 100mA Margin" and "Ignore Unstable Power", jacking up the sliders to max, and I'm now juiced up with 1800mah, charging well within 2 hours.
mobilephone2003 said:
I have an issue charging my 7105 where it will only put through between 100-400mah (according to the Galaxy Current Lite playstore app) through causing 8+ hour charges and fast battery drain, which seemed to be the case with 4 Different MicroUSB cables and 2 chargers.
I ended up fixing this with a custom kernel and rom (beanstalk) using the cable reporting 400 and the original standard charger.
With the uNEAK Engine, I ticked "Ignore 100mA Margin" and "Ignore Unstable Power", jacking up the sliders to max, and I'm now juiced up with 1800mah, charging well within 2 hours.
Click to expand...
Click to collapse
I'm intriuged with this "Ignore unstable power" option in my kernel as well, but it has a warning saying to try at your own risk. Do you think there are any safety issues with ignoring unstable power?
vantt1 said:
I'm intriuged with this "Ignore unstable power" option in my kernel as well, but it has a warning saying to try at your own risk. Do you think there are any safety issues with ignoring unstable power?
Click to expand...
Click to collapse
I can't say there's no risk at all, but the rest of my electronics haven't blown up yet so i'm sure it's fine
mobilephone2003 said:
I can't say there's no risk at all, but the rest of my electronics haven't blown up yet so i'm sure it's fine
Click to expand...
Click to collapse
Sounds safe enough to me!
just want to share my experience : today i tried to charge my phone with LG G2 OEM charger & cable. form 10% - 100% only took amazing ~ 1 hour 20 min :good:. phone on standby, not turned off. i checked LG G2 forum on XDA about where to buy this charger, but no avail. some said they have to call LG US CS support to place order by phone. i didn't have Galaxy Charging Current apps installed when i tried LG's charger. if i can have a hold again, will update here.
here are the charger look :
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anybody knows where to buy this ?
Hey,
I recently bought a used Xperia Z1 and everything is great apart from the charging. It is horrendously slow whilst charging.
I've tried charging from my home PC, office PC, two seperate AC (wall) outlets and it makes no difference. Out of curiosity I downloaded 'Battery Widget Reborn' and it showed that my device will charge 1% every 6 or so minutes and will take 12 hours for a full charge to 100%.
My Nexus 4 charged to 100% within two hours usually so this leads me to believe that something is wrong with the phone.
Normally I would go consider the battery as the main culprit but after finally getting to 100% it doesn't seem to drain particularly quickly as you would probably expect from a faulty battery. It would be nice to compare these statistics to the rest of you to see how abnormal this is.
This moves me on to the the USB slot on the device - is it possible that it is faulty and therefore pulling very little power (barely enough to charge the device whilst using moderately)?
-
If this is the case then has anyone had any experience with getting their Z1 USB slot repaired or should I just try to take the device back and get a different Z1 from somewhere else?
Does anyone have any other suggestions for me to try? There is a Sony store in my city so I could perhaps go to them for advice (as long as they don't empty my wallet)...
Thanks!
I had same experience with not original Magnetic Cable. All what is not Genuine can compromise the functionality of your device. Check first the wall charger, it have to be 0.5VDC 1500mA. then check the cable or try different one. I will recommend the Original Dock DK31. In 2 hours mine is fully charged with that one.
im not sure but mine charged extremely slow aswell but it has gotten alot faster
im assumings its some kind of break in period or something
Is the usb cable original? Or else you could get the charging dock
Sent from my Xperia Z1
ragingbull said:
Hey,
I recently bought a used Xperia Z1 and everything is great apart from the charging. It is horrendously slow whilst charging.
I've tried charging from my home PC, office PC, two seperate AC (wall) outlets and it makes no difference. Out of curiosity I downloaded 'Battery Widget Reborn' and it showed that my device will charge 1% every 6 or so minutes and will take 12 hours for a full charge to 100%.
My Nexus 4 charged to 100% within two hours usually so this leads me to believe that something is wrong with the phone.
Normally I would go consider the battery as the main culprit but after finally getting to 100% it doesn't seem to drain particularly quickly as you would probably expect from a faulty battery. It would be nice to compare these statistics to the rest of you to see how abnormal this is.
This moves me on to the the USB slot on the device - is it possible that it is faulty and therefore pulling very little power (barely enough to charge the device whilst using moderately)?
-
If this is the case then has anyone had any experience with getting their Z1 USB slot repaired or should I just try to take the device back and get a different Z1 from somewhere else?
Does anyone have any other suggestions for me to try? There is a Sony store in my city so I could perhaps go to them for advice (as long as they don't empty my wallet)...
Thanks!
Click to expand...
Click to collapse
Hi,
The phone usually takes about 3 hours to charge completely in my case, using the standard sony adapter given with the phone, probably i would suggest if you could borrow some other charger and try charging so that you can isolate the issue.(Please note the rating of the charger which you intend to charge for testing)
Also i noticed that the standard charger given by sony is 1.5A rating, so i usually charge with the charger given for my samsung tab 2 which has a higher rating and this one does a super charge in nearly 2 hours or less.
Thanks
Santosh
santro652 said:
Hi,
The phone usually takes about 3 hours to charge completely in my case, using the standard sony adapter given with the phone, probably i would suggest if you could borrow some other charger and try charging so that you can isolate the issue.(Please note the rating of the charger which you intend to charge for testing)
Also i noticed that the standard charger given by sony is 1.5A rating, so i usually charge with the charger given for my samsung tab 2 which has a higher rating and this one does a super charge in nearly 2 hours or less.
Thanks
Santosh
Click to expand...
Click to collapse
i have same problem using micro usb for charging so slow.
now i'm using magnetic cable and use 800mA charger, i'm not using 1,5A sony charger because it make my mobile so hot.
Takes around 3 hours using Sony's original magnetic charger
mm79k said:
Takes around 3 hours using Sony's original magnetic charger
Click to expand...
Click to collapse
Not for me. I am having slow charging as well. Using official Sony magnetic cable I have tried a couple different power adapters from Sony including the EP880 and even over night it won't charge it completely. Last night I plugged it in with about 37% left...woke up this morning after about 7.5 hours and it was only at 78%. Have to plug it in via USB to get any decent charging speed.
Spectre51 said:
Not for me. I am having slow charging as well. Using official Sony magnetic cable I have tried a couple different power adapters from Sony including the EP880 and even over night it won't charge it completely. Last night I plugged it in with about 37% left...woke up this morning after about 7.5 hours and it was only at 78%. Have to plug it in via USB to get any decent charging speed.
Click to expand...
Click to collapse
Then I asking my self what is different in the original Dock DK31 as it charge my phone very well.
I think that you think you have original one magnetic cable but it's not..
eclyptos said:
Then I asking my self what is different in the original Dock DK31 as it charge my phone very well.
I think that you think you have original one magnetic cable but it's not..
Click to expand...
Click to collapse
I think I would know if I had the original one or not. It came with my phone and is Sony branded.
Sent from my Surface with Windows 8 Pro using Tapatalk
Charges an hour and 30mns for me everything is original
Ps. This is a used phone got it from swappa
Sent from my C6906 using XDA Premium 4 mobile app
uhuhuh
mine took 5 hours from 0% ~> 24%
My z1 charges fine if i dont let it get below 40%. If i let the battery drop down to around 10% it takes a long time to reach 40% and then charges normally. It doesn't matter what method i use for charging it still charges the same, one observation i did make though is that when charging from a low percentage up to around 30% the phone gets very hot so it might be a good idea if we don't cycle our phones batteries so low?
I bought this phone in september this year .. the first time I charge it only takes 3 hours to full from 18% ~ 100% .. but by now it takes 24 hours for the full amount of 8% ~ 100% (︶︹︺)
solution?
Spectre51 said:
Not for me. I am having slow charging as well. Using official Sony magnetic cable I have tried a couple different power adapters from Sony including the EP880 and even over night it won't charge it completely. Last night I plugged it in with about 37% left...woke up this morning after about 7.5 hours and it was only at 78%. Have to plug it in via USB to get any decent charging speed.
Click to expand...
Click to collapse
Same problem here. Have you solved this problem? Thanks in advance.
fmode68 said:
Same problem here. Have you solved this problem? Thanks in advance.
Click to expand...
Click to collapse
Don't have the Z1 anymore but I never did figure it out. Was very sporadic when it happened.
Sent from my Xperia Z2
If you are really curious maybe grab one of these:
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Shows Volts and Ampere.
They are sold as "usb meter" in eBay/aliexpress for as low as $1.70 from China and actually work quite well.
Helps to easily spot a cheap cables(low ampere) or chargers(lots of varying voltage) that should go to the trash.
I updated to lollipop and this is happening to me now.
Before, I charge so fast, now on lollipop any charger I use is so slow even when turned off
it will take 7 hours to finish charging to 100%
I have the same problem too.. Using original charger and adapter. It took more than an hour to charge from 15%-25% even when the phone is switched off!
I would blame wake locks, cpu activity and network activity.
These phones are fast so fast they wreck the battery.
Try disabling the network or switching to 3G/2G
Have a look for any background apps eating juice.
A lot of us have the slow charging problem. I'm pretty sure it's a hardware problem and the micro USB port isn't the highest quality and suffers from wear and tear. I've already replaced one and was going to have to do a second.
Instead, I've come up with a brute force solution that seems to be working. Whether it's hardware or software or green aliens, I simply increased the current flow by increasing the voltage. I bought a 5.6V 2A generic charger off eBay and wired a micro USB charger cable to it. Just two wires, +ve and -ve. Seems to be working. I tried 6V but the tablet rejected it.
It's not perfect but I can charge the tablet in about 4-5 hours, as opposed to 2 days. I'll post updates if anyone is interested.
Sent from my LG-V500 using XDA Free mobile app
LeighR said:
A lot of us have the slow charging problem. I'm pretty sure it's a hardware problem and the micro USB port isn't the highest quality and suffers from wear and tear. I've already replaced one and was going to have to do a second.
Instead, I've come up with a brute force solution that seems to be working. Whether it's hardware or software or green aliens, I simply increased the current flow by increasing the voltage. I bought a 5.6V 2A generic charger off eBay and wired a micro USB charger cable to it. Just two wires, +ve and -ve. Seems to be working. I tried 6V but the tablet rejected it.
It's not perfect but I can charge the tablet in about 4-5 hours, as opposed to 2 days. I'll post updates if anyone is interested.
Sent from my LG-V500 using XDA Free mobile app
Click to expand...
Click to collapse
I too have this problem, but i really didn't notice it till i had to go on a trip a friend and was gone 4 days. the tablet was on, but asleep.
When i got back the tablet was dead. it seemed to take over a full day of charging to get it back to full. Then a couple of days later i had got my Y charger adapter. i installed it, and added a USB stick for more storage.
I found out the next day i had to go out of town again, but i was going to drive this time. After being on the road a few hours playing videos, i noticed my tablet using more power than it was charging. So i removed the Y thinking it was faulty even tho it showed it was charging. I still had a slow charging problem with it removed.
I would like to know if this did indeed fix your issue.
It's not perfect but it will at least maintain battery whilst gaming with brightness up. Charging when off is WAY quicker than a standard 5V charger
Sent from my LG-V500 using XDA Free mobile app
I've been "fixing" my Apple wired chargers for use with my Android devices.
## SKIP THIS IF YOU USE STOCK CHARGER ##
Probably 99.9% of android devices will expect shorted data pins, which is supposed to be the USB charging port standard. There are manufacturers that deviate slightly from this. For example Samsung adds 1.2volts to the data pins to signal that it's connected to a Samnsung charger and try to pull more amps (mostly for their early tablets). With the the S4 they added another signal voltage for their new 2 amp charger.
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Now for my point. My Nexus7, and S3 use the smb347 management IC (maybe the S4 too). It is picky when it comes to input voltage, and in the case of the Nexus7 it was programmed to be EXTRA picky. The USB standard port voltage is 5.0 ±0.25, while I believe a USB3 dedicated charging port raised this to 5.3volts. I would personally not follow LeighR advice and set up a supply to feed my devices with over 5.4volts.
If I was you I would look for chargers with a voltage under load of atleast 5.2. Use a multimeter to measure, I love the ChargerDoctor, but they used cheap connectors it drops a lot of voltage on top of the parasitic usage.
https://lh6.googleusercontent.com/-...Zt7W_x_A/w612-h816-no/IMG-20140709-WA0002.jpg
https://lh5.googleusercontent.com/-..._fkpgbzc/w612-h816-no/IMG-20140709-WA0003.jpg
Before mods:
https://lh3.googleusercontent.com/-...pJsAUnY/w1277-h958-no/IMG_20140607_185306.jpg
https://lh5.googleusercontent.com/-...719-h958-no/IMG_20140618_141229%3Anopm%3A.jpg
After mods (Bridged data pins, 150k+47k resistors feeding pins with 1.2):
https://lh6.googleusercontent.com/-...AAAAAApg8/p4rvEEEyMyI/w719-h958-no/2014-06-18
Charging my S3
https://lh5.googleusercontent.com/-...3VDZwiA/w1277-h958-no/IMG_20140618_143535.jpg
https://lh5.googleusercontent.com/-...skyVdO8/w1277-h958-no/IMG_20140618_143539.jpg
Idle https://lh3.googleusercontent.com/-...icLhIC2c/w719-h958-no/IMG-20140710-WA0006.jpg
Charging my N7, note the Nexus is programmed to be even more picky. It waits up to a minute to see if the charger is crap before switches from AC into an even higher amp mode.
Pulling 1.<something> takes 2-3 hours for a full charge from low battery (5-20%).
https://lh5.googleusercontent.com/-...1j-A27s/w1277-h958-no/IMG-20140710-WA0000.jpg
https://lh6.googleusercontent.com/-...2sQS3Go/w1277-h958-no/IMG-20140710-WA0002.jpg
---------- Post added at 06:08 PM ---------- Previous post was at 06:05 PM ----------
If you are too lazy to check or test any of that the Nexus 5 forums love these: http://www.amazon.ca/gp/product/B00...pf_rd_t=101&pf_rd_p=1687860482&pf_rd_i=915398
Any of the new "smart" chargers that detect the connected device should also work: http://www.amazon.ca/Family-Sized-D...id=1407621965&sr=8-1&keywords=powerIQ+charger
weedy2887 said:
I've been "fixing" my Apple wired chargers for use with my Android devices.
## SKIP THIS IF YOU USE STOCK CHARGER ##
Probably 99.9% of android devices will expect shorted data pins, which is supposed to be the USB charging port standard. There are manufacturers that deviate slightly from this. For example Samsung adds 1.2volts to the data pins to signal that it's connected to a Samnsung charger and try to pull more amps (mostly for their early tablets). With the the S4 they added another signal voltage for their new 2 amp charger.
## END SKIP##
Now for my point. My Nexus7, and S3 use the smb347 management IC (maybe the S4 too). It is picky when it comes to input voltage, and in the case of the Nexus7 it was programmed to be EXTRA picky. The USB standard port voltage is 5.0 ±0.25, while I believe a USB3 dedicated charging port raised this to 5.3volts. I would personally not follow LeighR advice and set up a supply to feed my devices with over 5.4volts.
If I was you I would look for chargers with a voltage under load of atleast 5.2. Use a multimeter to measure, I love the ChargerDoctor, but they used cheap connectors it drops a lot of voltage on top of the parasitic usage.
https://lh6.googleusercontent.com/-...Zt7W_x_A/w612-h816-no/IMG-20140709-WA0002.jpg
https://lh5.googleusercontent.com/-..._fkpgbzc/w612-h816-no/IMG-20140709-WA0003.jpg
Before mods:
https://lh3.googleusercontent.com/-...pJsAUnY/w1277-h958-no/IMG_20140607_185306.jpg
https://lh5.googleusercontent.com/-...719-h958-no/IMG_20140618_141229%3Anopm%3A.jpg
After mods (Bridged data pins, 150k+47k resistors feeding pins with 1.2):
https://lh6.googleusercontent.com/-...AAAAAApg8/p4rvEEEyMyI/w719-h958-no/2014-06-18
Charging my S3
https://lh5.googleusercontent.com/-...3VDZwiA/w1277-h958-no/IMG_20140618_143535.jpg
https://lh5.googleusercontent.com/-...skyVdO8/w1277-h958-no/IMG_20140618_143539.jpg
Idle https://lh3.googleusercontent.com/-...icLhIC2c/w719-h958-no/IMG-20140710-WA0006.jpg
Charging my N7, note the Nexus is programmed to be even more picky. It waits up to a minute to see if the charger is crap before switches from AC into an even higher amp mode.
Pulling 1.<something> takes 2-3 hours for a full charge from low battery (5-20%).
https://lh5.googleusercontent.com/-...1j-A27s/w1277-h958-no/IMG-20140710-WA0000.jpg
https://lh6.googleusercontent.com/-...2sQS3Go/w1277-h958-no/IMG-20140710-WA0002.jpg
---------- Post added at 06:08 PM ---------- Previous post was at 06:05 PM ----------
If you are too lazy to check or test any of that the Nexus 5 forums love these: http://www.amazon.ca/gp/product/B00...pf_rd_t=101&pf_rd_p=1687860482&pf_rd_i=915398
Any of the new "smart" chargers that detect the connected device should also work: http://www.amazon.ca/Family-Sized-D...id=1407621965&sr=8-1&keywords=powerIQ+charger
Click to expand...
Click to collapse
weedy2887, my issue is that my tablet is a permanent install in a car, so i must use 12V-DC.
I have a 5.0V charger plugged into a cigarette lighter, and using the factory USB cable that can be plugged into an AC or DC connector.
Any suggestions for a fixed car mount?
Weedy2887 is correct that over voltage is of course a potential danger to your device. However, if the voltage is too high, your tablet/phone will reject it.
The voltmeter idea looks great but the problem is with the N7 microUSB connector. So you could be supplying 5.3 volts but high resistance due to a poor connection will drop some voltage and the potential difference actually reaching the battery will be lower, hence the slow charge.
He is of course correct that if your tablet is NOT faulty, it is not a good idea to hit it with a high voltage.
I like the idea of a smart charger - is it a constant current generator? Or does it detect current drawn and vary voltage accordingly? That would be an excellent solution. In any case, some great info posted, thanks.
Regarding the car installation, if your tablet has the super slow charging problem and you want to copy my solution, you'll need to find an in-car charger that puts out 5 and a bit volts and then wire on a micro USB connector.
Sent from my LG-V500 using XDA Free mobile app
Being permanently installed changes nothing. You still need to pick a better supply.
Something adjustable, and then buy a micro usb plug:
http://www.ebay.ca/itm/Adjustable-B...814?pt=LH_DefaultDomain_0&hash=item5667dc04a6
http://www.ebay.ca/itm/10PCS-Right-...567?pt=LH_DefaultDomain_0&hash=item2eca7f994f
or a better cig converter:
http://www.amazon.ca/Anker®-Dual-Po...id=1407657253&sr=8-2&keywords=powerIQ+charger
I dislike the idea of relying on the device to reject over voltage, it just feels dirty to me. And your point about connector losses is interesting. You could calibrate the charger with the tablet open and a multimeter on the solder behind the socket.
The "smart" part of the charger is it can detect what the client device is and setup the right pin out on the plug. IE: Apple, Android, HTC, or Samsung.
All very valid points. Agreed
Sent from my LG-V500 using XDA Free mobile app
weedy2887 said:
or a better cig converter:
http://www.amazon.ca/Anker®-Dual-Po...id=1407657253&sr=8-2&keywords=powerIQ+charger
Click to expand...
Click to collapse
I'm not understanding how this item is better than what i'm using.
This says:
PowerIQ™ technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 2.4 amps.
What i'm using now says it is a 5 amp.
http://www.usbzilla.com/chrager-adapter-sony-xperia-icon-sola-p-1741.html
The one i had before had 2 connections. (1.5 amp and 2.1 amp bought from CVS)
http://www.dhgate.com/product/colorful-dual-usb-2-ports-car-charger-cigarette/160188100.html
Try this first: http://forum.xda-developers.com/showthread.php?t=2188910&page=3 Not the whole thread look at Post #25
This fixed the N7 I had. Takes about twenty minutes. Carefully pop the battery out, take out some screws to get access to the ribbon cable contact at the bottom, clean it and reconnect. Clean the top contact too by the battery plug.
It's not the usb port it's those damn little contacts on the ribbon cable.
In your case it was the ribbon cable. And you're right, it could be for other people too. But in other cases it's a worn microusb port or other issues.
Sent from my LG-V500 using XDA Free mobile app
02sonicblue said:
I'm not understanding how this item is better than what i'm using.
This says:
PowerIQ™ technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 2.4 amps.
What i'm using now says it is a 5 amp.
http://www.usbzilla.com/chrager-adapter-sony-xperia-icon-sola-p-1741.html
Click to expand...
Click to collapse
powerful 5 watt charging circuit to power up your iPhone, iPod or smartphone quickly
Click to expand...
Click to collapse
Watts are not amps.
It's probably wired for Apple.
It doesn't matter what the side of it says it will put out.
The only thing that matters is what the tablet THINKS it can pull. After that is all down to the voltage level it will sustain under load.
yosmokinman said:
Try this first: http://forum.xda-developers.com/showthread.php?t=2188910&page=3 Not the whole thread look at Post #25
This fixed the N7 I had. Takes about twenty minutes. Carefully pop the battery out, take out some screws to get access to the ribbon cable contact at the bottom, clean it and reconnect. Clean the top contact too by the battery plug.
It's not the usb port it's those damn little contacts on the ribbon cable.
Click to expand...
Click to collapse
LeighR said:
In your case it was the ribbon cable. And you're right, it could be for other people too. But in other cases it's a worn microusb port or other issues.
Click to expand...
Click to collapse
This method works for me, although not perfect. From frustratingly long 22 hour charge time down to 6 hours on 1.5amp charger
While the improvement is great, your still charging in USB mode.
The tablet will charge in a little over 2 hours if it's pulling over an amp from a charger.
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First thing guys i did not started this with a comparission in mind, i was just troubleshoting my phone but while i was testing all the chargers i have laying the house it seemed to me like a good idea to take note and share my findings. That said lets get to the problem:
Last mont (october 2015) i bought a new battery from official LG retailer it cost me Bs 12000 (Im from venezuela, crazy high prices for us), i did this because a part of my touch screen is dead and i read in several places that replacing the battery may fix that, well it didnt but at least i have a new battery. Anyway, the thing was super expensive, i also bought a LG "Original" Charger + USB cable at Bs 3000 from at respected seller, the Nexus 4 original oem charger fall from a table and died, it wasnt broke just didnt charge anything at all, thats why i bought a new one. I didnt pay much attention to the charging time until like 2 weeks ago, i was playing in the phone with the charger plugged and the battery was slowly discharging wtf?, since then ive been trying roms and kernel settings because i was to lazy to try another chargers until today. I was thinking about ROM and/or Kernel related problem since I updated to Android M about that time (2 weeks ago). So i didnt have idea if it was rom, kernel, battery or charger what wasnt working properly.
My phone setup:
ROM: Cataclysm Oct 27 2015 + SmartRadio Fix
Kernel: Hellscore b87-M (Hellsactive governor, row scheduler, DT2W and USB Fast Charge both enabled)
Method:
I used 2 USB cables, a generic no branded and a samsung one.
In developer options i enabled Stay Awake option so the screen will never go off while the phone is plugged.
I plugged the first charger with the generic cable and let the phone charging until it showed me the stimated remaining time for full charge, then i plugged the next charger (still with generic cable) and rebooted the phone, after boot i wated until it showed me the remaining time to go with the next charger, once i tested all the chargers i replaced the generic cable for the samsung and repeated the process. So i tested the charger twice, one with each cable, and yes i got the same results every time, so iguess this android feture is actually doing his job and saying the truth.
LG Original Charger - Not really original. Lited Output: 1000mAh
Samsung original charger, i bouth this one like 2 years ago like genuine, but is not. Listed Output: 1000mAh Now blury but i remember it was that amount.
Blu Charger from a Blu Jenny TV phone i have. Made touchscreen go crazy. Listed Output: 500mAh
Orinoquia Charger. Orinoquia is a brand selled by the goverment here in Venezuela. Listed Output: 550mAh
USB Charge. Straight from the back panel of my motherboard (MSI B75MA-E33, Windows 10 Pro x64)
Nokia Original OEM Charger. This is from my mom's Nokia Lumia. Listed Output: 750mAh
The Nokia charger was the only one that was actually delivering the amount of power that it says it should deliver. From now on im gona have a hard time thinking about wich charger im gonna buy. Dont buy cheap chargers guys and only buy them from the company itselft when possible or an authorized reseller. Sorry for my english
I always used a 2A Blackberry Playbook charger for my Nexus 4. Had it for three years and when I handed it to my Dad to use three weeks ago it would still do a day and a half normal usage.
Best charger out there. Still using it with my LG G4. Charges super quick.
Your USB cable can also make a difference.
You mentioned that you played with phone while it was charging...Its possible that you had lose contact at same time and cable was not supplying enough current for battery to charge. Just go to battery stats screen and it will show charging mode. If current being supplied is around 500 mA it will shows USB. This has happened to me on various phones including the n4. I usually just turn off wifi and data connnection and turn screen off while its charging and it really charges faster. ( better option would be to turn off phone). My charger is also broken (fell from wall socket on the floor) and it takes abut 3-4 hours to charge the phone.
I have also used friend's nokia charger and they are quite good. You can continue using it.. better use a 1.5 A or 1 A charger ( stock charger output is 1.2A)
I would also point out the Blackberry charger I use has a captive cable which reduces the connection issues.
sarus_b said:
You mentioned that you played with phone while it was charging...Its possible that you had lose contact at same time and cable was not supplying enough current for battery to charge. Just go to battery stats screen and it will show charging mode. If current being supplied is around 500 mA it will shows USB. This has happened to me on various phones including the n4. I usually just turn off wifi and data connnection and turn screen off while its charging and it really charges faster. ( better option would be to turn off phone). My charger is also broken (fell from wall socket on the floor) and it takes abut 3-4 hours to charge the phone.
I have also used friend's nokia charger and they are quite good. You can continue using it.. better use a 1.5 A or 1 A charger ( stock charger output is 1.2A)
Click to expand...
Click to collapse
Thanks ill try to find a charger with that output that actually delivers it.
My 0,05$:
I tried out a lot of chargers for both my nexus 4 & nexus 9 (tablet) and got by far the best results with Nillkin chargers & usb cables (you can by them cheap from banggood.com). Bought 4 so far (home-office-multiple devices): Very fast charge (much faster than original chargers included with both Nexus 4 & 9), very decent build quality, useful USB cable, charger doesn't make any humming noise, etc. Can strongly recommend.
after i had lost my original n4 charger, i used a motorola charger, which delivered max ~600mA or something. then i bought sony cycle energy wall charger CP-AD2. it is very cheap yet quite powerful. i suggest using currentwidget for checking charging speed. sony charger delivers min 700mA max 816mA (i think its the limit of the n4 since sony charger can deliver up to 2A)
ereghro said:
after i had lost my original n4 charger, i used a motorola charger, which delivered max ~600mA or something. then i bought sony cycle energy wall charger CP-AD2. it is very cheap yet quite powerful. i suggest using currentwidget for checking charging speed. sony charger delivers min 700mA max 816mA (i think its the limit of the n4 since sony charger can deliver up to 2A)
Click to expand...
Click to collapse
Thanks for the suggestion ill try that app, didnt know fo his existence jaja
The limit is 1,5 A coz the orginal charger delivers 1,2 and there is always 300-400 mah tolerance
Gesendet von meinem Nexus 4 mit Tapatalk
nowster said:
Your USB cable can also make a difference.
Click to expand...
Click to collapse
I agree.
I'm using a Samsung USB cable with my original LG N4 charger.
It charges twice as fast compared to the original cable that came with the charger.
However, I'm pretty sure it was okay before. Maybe the LG cable is not as durable as the Samsung cable.
Okay!! Yes it is true. I myself now use only the Xiaomi Redmi 2 Prime's charger. As it charges my Nexus 4 far more faster than the real charger.