Database Users

[Q] pc battery charging

i wonder if there is possible to dissable battery charging when connected to pc. thanks!

I think you cant.
Maybe on service menu, search for combination to open it.
Sent from my LT15i using XDA Premium

idiot77 said:
i wonder if there is possible to dissable battery charging when connected to pc. thanks!
Click to expand...
Click to collapse
Why do you want to disable it

Doesn't charging the battery frequently decrease the battery life?? I mean whenever I need to transfer a file from the pc to the sd it starts charging won't that affect the battery??
Sent from my LT15i using xda premium

I thought that a frequent charge is better for the battery..

That was with the old batteries, when a chargenof 5% counted as one full charge.
On the new ones 20x5% (100%) counts as a full charge so don't worry.
Sent from my iPad 2 using Tapatalk

i think you cant disable it

I don't really know if this works, never tried and won't do.
USB-Charging Commander
EDIT:
If anyone have tried this, could you please give a feedback?

How to calibrate p3100 battery

Hi i want to calibrate my p3100's battery...actually m tab 2 was on low battery when i upated it but now the battery is now behaving very oddly..plz help me to calibrate it without rooting the device
Sent from my GT-P3100 using xda app-developers app

kyahaiyaar said:
Hi i want to calibrate my p3100's battery...actually m tab 2 was on low battery when i upated it but now the battery is now behaving very oddly..plz help me to calibrate it without rooting the device
Sent from my GT-P3100 using xda app-developers app
Click to expand...
Click to collapse
Off your tab and full charge and then switch on and use it till it is dead ....
And switch it till battery is completely down ...
And again charge it till 100% without break
Sent from my GT-P3100 using XDA Premium HD app

hemantshah3 said:
Off your tab and full charge and then switch on and use it till it is dead ....
And switch it till battery is completely down ...
And again charge it till 100% without break
Sent from my GT-P3100 using XDA Premium HD app
Click to expand...
Click to collapse
What do you mean by "switch it till battery is completely down" ?
And do we switch off the tab when we fully charge it the 2nd time?

There are free apps on the playstore called "battery calibration" that basically erase your battery config file and allow the ROM to re-learn the battery usage, etc. Very easy to use, charge your battery to 100% - then click the button on the app, it erases the file - you unplug the unit, and use it normally. The software will build a new file
Your unit has to be rooted for this to work, and I have read that it does not really do anything, while others swear by it every time they flash a new ROM.
Do some searching - read some of the posts and details on them, and make your own decision
Good luck,
Regards,

Calibre battery is myth in all modern devices! It only erase battery usage data..

but FYI, its pretty useful on some devices!
i have xperia which has pretty erratic battery life..so clearing battery stats really helps!

[Q] prepare battery

Hi ! So, i will receive my N4 in few days, and i would like to know what i should do to improve my battery life at first. Is there any way to charge and discharge the battery ? I read something like that on the forum but it seems very long.. Thanks for your answer
Sent from my Blade S using xda app-developers app

AutruiP said:
Hi ! So, i will receive my N4 in few days, and i would like to know what i should do to improve my battery life at first. Is there any way to charge and discharge the battery ? I read something like that on the forum but it seems very long.. Thanks for your answer
Sent from my Blade S using xda app-developers app
Click to expand...
Click to collapse
Calibrate the battery by running it down to 0% and charge it fully.
You can also root the phone and flash a custom kernel that offers great battery life.
Other things you can do...
Turn off sync, turn off GPS, turn off Google now, and lower brightness level to a minimum.
Sent from my Nexus 7 using xda app-developers app

Yeah i was more talking about calibration. Is Just one discharge cycle enough ?
Sent from my Blade S using xda app-developers app

There's no such thing as battery calibration. Just use your phone normally, charging it when you want to.
Sent from my Nexus 4 using xda premium

AutruiP said:
Yeah i was more talking about calibration. Is Just one discharge cycle enough ?
Sent from my Blade S using xda app-developers app
Click to expand...
Click to collapse
Don't calibrate now.. your phone will already have the best calibrated battery settings.
Calibrate when you flash a custom Rom and that too,if you face battery problems. Otherwise no need. You'll do more damage otherwise. No need to calibrate if you flash a kernel over stock either.
cm9 htc a310e k2.6

You dont calibrate li ion battery.
http://batteryuniversity.com

And you should never purposely run it down to 0%.

steviewevie said:
There's no such thing as battery calibration. Just use your phone normally, charging it when you want to.
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
It is a bit of a misnomer as the phone is calibrating the battery scale to match the discharge of the battery. It isn't that there is no such thing, it just isn't what people think.

Get the latest Franco kernel on it. That is all.

MrBelter said:
It is a bit of a misnomer as the phone is calibrating the battery scale to match the discharge of the battery. It isn't that there is no such thing, it just isn't what people think.
Click to expand...
Click to collapse
This. So much this.

Extremely slow charging

Hi guys. I'm currently facing a huge problem which is very very slow charging rate. Last time it charged slowly and i tighten the usb port on the n7, thank God the problem solved. But now, even if i did that, it won't solve the problem. Now it took me more than 12 hours to charge from 5% to 95%. Please guys, help me. I couldn't wait for that long to fully charged. Is there anyway make it fast charging? My N7 just 10 months old and i am not so heavy user. thanks in advance.
Sent from my Nexus 7 using XDA Premium 4 mobile app

kakarotto.ss1 said:
Hi guys. I'm currently facing a huge problem which is very very slow charging rate. Last time it charged slowly and i tighten the usb port on the n7, thank God the problem solved. But now, even if i did that, it won't solve the problem. Now it took me more than 12 hours to charge from 5% to 95%. Please guys, help me. I couldn't wait for that long to fully charged. Is there anyway make it fast charging? My N7 just 10 months old and i am not so heavy user. thanks in advance.
Sent from my Nexus 7 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
are you using the charger that came with Nexus 7?
If so, try with some other charger and even if that didnt help, then there's some problem with the battery.
In case you had changed the charger, it will be slow as the output voltage of Nexus 7 charger is high compared to that of other devices.

What is the voltage output of the chargerv
Sent from my Galaxy Nexus using xda app-developers app

nijom said:
are you using the charger that came with Nexus 7?
If so, try with some other charger and even if that didnt help, then there's some problem with the battery.
In case you had changed the charger, it will be slow as the output voltage of Nexus 7 charger is high compared to that of other devices.
Click to expand...
Click to collapse
yes. i'm using the same charger that i bought N7. i tried Galaxy S4 charger but it is still the same. now i have to constantly charging. it took me more than 12 hours to fully charge..

chding said:
What is the voltage output of the chargerv
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
the words on the charger fade away. i think is 2.0A..

just chiming in here , i have noticed my nexus takes longer to charge and run out faster since 4.3
lets hope kitkat actually bring fixes not problems, jb was a great update n all but the amount of problems device spread was silly for an official. google really needs to start sourcing employees from xda

[Help] Battery Drain Problem

Hi All,
Everything was ok till the day before yesterday. But suddenly from yesterday I am facing a huge battery drain problem i.e. 1% per minute on my S4. I am running the latest version of Arrow Rom.
I did format everything and reinstall Arrow Rom but no luck. Then I restored my previous Stock CWM backup and again problem is same.
One more thing my phone's battery is taking too much time to full charge. It takes 5 to 6 minutes to charge 1%. Sometimes it takes more than that.Although my phone is only one year old. When Iam using phone for browsing or chatting with charger plugged in its not charging properly its decreasing.
Can anybody tell me what is the problem?
Sent from my GT-I9500 using XDA Premium 4 mobile app

vishaldhamnekar said:
Hi All,
Everything was ok till the day before yesterday. But suddenly from yesterday I am facing a huge battery drain problem i.e. 1% per minute on my S4. I am running the latest version of Arrow Rom.
I did format everything and reinstall Arrow Rom but no luck. Then I restored my previous Stock CWM backup and again problem is same.
One more thing my phone's battery is taking too much time to full charge. It takes 5 to 6 minutes to charge 1%. Sometimes it takes more than that.Although my phone is only one year old. When Iam using phone for browsing or chatting with charger plugged in its not charging properly its decreasing.
Can anybody tell me what is the problem?
Sent from my GT-I9500 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Your battery is more likely to be uncalibrated. Download Battery Calibration from Google Play and follow the steps on how to calibrate it. It requires ROOT. Any other things that can cause this are wakelocks, be careful what kernel you use. You can monitor wakelocks using Wakelock Detector from Google Play.

Or your battery might be a faulty one, check if its swollen
Sent from my GT-I9505 using XDA Free mobile app

Stefan0vic said:
Or your battery might be a faulty one, check if its swollen
Sent from my GT-I9505 using XDA Free mobile app
Click to expand...
Click to collapse
if it is, do not use it anymore if you don't want to carry a small IED with you
Sent from my GT-I9505 using XDA Premium 4 mobile app on OmegaRom v19

eprov said:
if it is, do not use it anymore if you don't want to carry a small IED with you
Sent from my GT-I9505 using XDA Premium 4 mobile app on OmegaRom v19
Click to expand...
Click to collapse
What is IED?
Sent from my GT-I9500 using XDA Premium 4 mobile app

ISF said:
Your battery is more likely to be uncalibrated. Download Battery Calibration from Google Play and follow the steps on how to calibrate it. It requires ROOT. Any other things that can cause this are wakelocks, be careful what kernel you use. You can monitor wakelocks using Wakelock Detector from Google Play.
Click to expand...
Click to collapse
I am trying these apps.
Stefan0vic said:
Or your battery might be a faulty one, check if its swollen
Sent from my GT-I9505 using XDA Free mobile app
Click to expand...
Click to collapse
How do I know my battery is faulty?
Sent from my GT-I9500 using XDA Premium 4 mobile app

vishaldhamnekar said:
What is IED?
Sent from my GT-I9500 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Improvised Explosive Device

vishaldhamnekar said:
Hi All,
Everything was ok till the day before yesterday. But suddenly from yesterday I am facing a huge battery drain problem i.e. 1% per minute on my S4. I am running the latest version of Arrow Rom.
I did format everything and reinstall Arrow Rom but no luck. Then I restored my previous Stock CWM backup and again problem is same.
One more thing my phone's battery is taking too much time to full charge. It takes 5 to 6 minutes to charge 1%. Sometimes it takes more than that.Although my phone is only one year old. When Iam using phone for browsing or chatting with charger plugged in its not charging properly its decreasing.
Can anybody tell me what is the problem?
Sent from my GT-I9500 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I don´t believe in calibration. It´s a balast...
How old is the battery?? Over one year? Buy new one.
Or try to use Wakelock detector and after results use Greenify

verny94 said:
I don´t believe in calibration. It´s a balast...
How old is the battery?? Over one year? Buy new one.
Or try to use Wakelock detector and after results use Greenify
Click to expand...
Click to collapse
My battery is only a year old. I have downloaded Wakelock detector n trying to find out which cause battery drain.
Sent from my GT-I9500 using XDA Premium 4 mobile app

Battery has 300 charging cycles after one year should be bad
Recomended is buying official one but Greenify is very good app Its one of non-fake

vishaldhamnekar said:
Hi All,
Everything was ok till the day before yesterday. But suddenly from yesterday I am facing a huge battery drain problem i.e. 1% per minute on my S4. I am running the latest version of Arrow Rom.
I did format everything and reinstall Arrow Rom but no luck. Then I restored my previous Stock CWM backup and again problem is same.
One more thing my phone's battery is taking too much time to full charge. It takes 5 to 6 minutes to charge 1%. Sometimes it takes more than that.Although my phone is only one year old. When Iam using phone for browsing or chatting with charger plugged in its not charging properly its decreasing.
Can anybody tell me what is the problem?
Sent from my GT-I9500 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Use power saving mode install stock rom
Auto brightness
Format sd card
Remove unnessesary apps
Stop all unusual apps like google plus hangout and play books etc etc those you don't use.
Disable chrome use dolfin or other's.
If you are using custom kernel or mods like audio mod or performance mods don't use them.
Auto sync off when not needed
If these steps don't work then change the battery
For charging use 2amp charger with a 16amp socket
Use stock usb
Clean your battery's copper area with petrol and also clean your
Usb cable and ports sockets
Hope this will help
And I know my English is not good.