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Hello guys...I am new to this community as i recently registered to XDA...but i know maybe a bit about our phone Galaxy W GT-i8150....That could prove useful to Starters......
Now...mostly Users have problems with battery when they flash new ROMS....the reason is....their battery stats...for example if a person flashed a new ROM with 60% of battery....the phone will detect 60% as 100% and battery will drain quickly.....but You guys don't need to worry as i have found some ways to rectify this problem....Battery Callibration...yes u need to callibrate your battery in order to get long lasting batteries....there are some ways of doing it...most easy is through an app found in play store....Battery Callibration by NéMa...you just need to charge ur phone at 100%....and go to app and click 'Callibrate' (with charger plugged on!) ...and this will reset ur battery stats....it is recommended (not necessary) to drain out all the battery after callibration and Charge ur phone from 0% to 100% without a gap....
As i am a newbie...so i cannot post outside links...however if anyone needs to get more of it...he/she can PM me at any time and i ll try my best to help...!
I hope this post would prove useful to all of you.....! :good:
I have that app. Never really used it lol what happens if I calibrated it like a 50 wouldn't that mess it up?? So technically it is necessary.. idk lol I'm def no noob but I don't quite understand this app. Batt life seems the same after I calibrate battery (last time I tried)
Anymore info!!?!?!?!
Sent from my SAMSUNG-SGH-I717 using xda premium
You shouldn't uncharge your battery to 0%.
For calibrate your battery just charge it to 100%, shut down your phone, let it charge to 100% again, go to CWM, advanced, wipe battery stats, before wipe unplug USB cable.
I realize that..I'm just confused about this battery calibration. Doesn't make a difference for me..and yes I agree I never fully discharge me phone. Bad idea
Sent from my SAMSUNG-SGH-I717 using xda premium
I don't know about the ROMs the op flashes, but if my battery is at 50% when I flash a new ROM it doesn't go to 100% more like between 47-50%.
Besides the fact that battery calibration has been explained away as a myth, I can also state "calibrating" battery has never increased my battery life.
Sent from my Galaxy Nexus using xda premium
MiguelPT said:
You shouldn't uncharge your battery to 0%.
Click to expand...
Click to collapse
Do you mean that using all of your battery (till 0% when the phone automatically turns off) is a bad idea?
Why?
Thanks
[.::MDT::.] said:
Do you mean that using all of your battery (till 0% when the phone automatically turns off) is a bad idea?
Why?
Thanks
Click to expand...
Click to collapse
Yes, it's bad idea, because you have a Lithium-ion battery which as no memory effect.
Read this
Actually this app wipes your battery stats and makes a fresh copy of them...
Sent from my GT-I8150 using xda premium
Well i wrote that for those users who have flashed stock rom and dont have or want CWM recovery...moreover it's just recommended...
And me and other users have experienced that the more roms we flash...the more battery life decreases....anyway if there is a better way...please do let me know...
Sent from my GT-I8150 using xda premium
Hi everybody!
i've got a little doubt about the battery calibration method and tool..so...i've done all the process(the one suggested by the user Ganymedes with the battery calibrator from the market) every time i flashed a new rom update(in this case the sandvold ICS),for calibrate the original 1400mAh desire battery,and also because my desire shutted down at around 15% battery remaining..and every time without any positive result..so i tried in many ways,and at the end i kept the battery as it comes out after all the times i tried to calibrate it...but now,i just bought a brand new high capacity mugen battery..the bigger one with 3200mAh,'cause the old one drained too fast..so,the question is..i've got to recalibrate the phone again,'cause i changed the battery?..i wish to precise that i haven't calibrated the battery after the last ROM update..so,what you think?'cause i read that the battery calibrator app will save and make permanent the battery stats..and i'm afraid that an old batterystats with the info from the stock battery is still saved..misreading the power of the new battery!
thanks for all the answers!
Is far as I know the calibration configuration is saved on the battery not on the rom.
stankyou said:
Is far as I know the calibration configuration is saved on the battery not on the rom.
Click to expand...
Click to collapse
So i don't need to re-calibrate the device for the new high capacity battery..isnt'it?
Cesk87 said:
So i don't need to re-calibrate the device for the new high capacity battery..isnt'it?
Click to expand...
Click to collapse
So you need to calibrate it because you replaced the battery.
via xda app
Cycling the battery through one full charge and full dis-charge cycle should do the trick. I don't think a calibration tool will help much. Wiping battery stats is also useless.
BATTERY CALIBRATION
Hi!
As we know when we install a new rom we sometimes have battery drain or when we flash a new kernel etc..... what is this?? this means that your battery goes to 0% very quickly!
The normal steep is goes to recovery and wipe battery stats!!
but what i do if in recovery don't appear something like wipe battery stats??
simple!! be sure that your nexus is completely charged,download this app ,, tap on battery calibration !! (after that charge your nexus without break)and congratulations.... buy a beer and make a party!!
I don't made this app.... just share it....
i will upload the link in a note pad... why?? simple.... i can't put links!!!
There is no need for battery calibration. Just discharge to 0% then charge back to 100% and you should be good to go.
Shmi117 said:
There is no need for battery calibration. Just discharge to 0% then charge back to 100% and you should be good to go.
Click to expand...
Click to collapse
o really?? i post that because sometimes when i flash a new kernel my battery percentage lie.... when i had for example 15% mi tablet shut down and i calibrate with this app and mi tablet shut down in 0%... normally...... and i do that always y flash a new rom or a kernel...... maybe i'm wrong .....
Shmi117 said:
There is no need for battery calibration. Just discharge to 0% then charge back to 100% and you should be good to go.
Click to expand...
Click to collapse
It doesn't even need to be to zero.
Everyone should go to batteryuniversity.com and read the articles on cycling and charging li-Ion batteries. Then you will be able to make sense of conflicting advice on batteries.
Current: Note 2 - Nexus 7 - Charge
Retired: Player 5.0 - Fascinate
<><><><><><><><><><>
Read twice, flash once
ezas said:
It doesn't even need to be to zero.
Everyone should go to batteryuniversity.com and read the articles on cycling and charging li-Ion batteries. Then you will be able to make sense of conflicting advice on batteries.
Current: Note 2 - Nexus 7 - Charge
Retired: Player 5.0 - Fascinate
<><><><><><><><><><>
Read twice, flash once
Click to expand...
Click to collapse
mmmmm thanks for the page....
The myth of wiping battery stats was thoroughly debunked almost a year and a half ago. It is a 100% true statement that neither this app nor wiping battery stats in recovery has ever affected anyone's battery life or battery indication in any way, shape, or form.
Want to know why battery drains after flashing a new rom or kernel? Hint- it has absolutely nothing to do with incorrect battery stats- totally disregarding the fact for a moment that batterystats.bin has absolutely nothing to do with battery charge indication.. After flashing a new rom, your device is actually using more battery than usual as accounts are set up and synced. Likewise, after flashing a new kernel, it takes a short amount of time for the kernel to "settle."
If you still believe the myth that battery stats need to be wiped every now and again, there's an even easier way to do it than wiping in recovery or using some snake oil app... charge your device to full or near full and then unplug it from the charger. Voila- you've just successfully wiped battery stats!
Shmi117 said:
There is no need for battery calibration. Just discharge to 0% then charge back to 100% and you should be good to go.
Click to expand...
Click to collapse
This.
OP, stop posting nonsense. Seriously.
Strange battery behavior
It's actually odd, my battery started getting stuck at 100% like a week ago or so, after 11 hrs standby time and 30 mins screen-on time, it doesn't even drop 1%. However, it shuts down normally at 1%. I actually tried so many things to fix this, i opened the back cover and pulled the battery out, i let it run dead and charge it all the way up, but it just seems to like that 100% mark. Since it actually shuts down at 1%, i wanted to make sure it's completely dead, so i booted into recovery and oddly, with max brightness in twrp, it took about 15 mins for the device to completely shut down.
Any ideas what might fix this?
coolbyte9 said:
It's actually odd, my battery started getting stuck at 100% like a week ago or so, after 11 hrs standby time and 30 mins screen-on time, it doesn't even drop 1%. However, it shuts down normally at 1%. I actually tried so many things to fix this, i opened the back cover and pulled the battery out, i let it run dead and charge it all the way up, but it just seems to like that 100% mark. Since it actually shuts down at 1%, i wanted to make sure it's completely dead, so i booted into recovery and oddly, with max brightness in twrp, it took about 15 mins for the device to completely shut down.
Any ideas what might fix this?
Click to expand...
Click to collapse
Bear in mind that you optimally do not want to discharge the battery to the point of shutdown. Doing so shortens its lifespan, and can trigger the N7 to go into a hibernation mode on order to protect the battery from permanent unrecoverable damage due to a deep discharge.
Sent from my Nexus 7 using Tapatalk HD
najaboy said:
Bear in mind that you optimally do not want to discharge the battery to the point of shutdown. Doing so shortens its lifespan, and can trigger the N7 to go into a hibernation mode on order to protect the battery from permanent unrecoverable damage due to a deep discharge.
Sent from my Nexus 7 using Tapatalk HD
Click to expand...
Click to collapse
I do know that, I just wanted to try out every thing that could fix this annoying bug.
seriously, battery calibration is for nothing and waste your data and time to download it..
najaboy said:
The myth of wiping battery stats was thoroughly debunked almost a year and a half ago. It is a 100% true statement that neither this app nor wiping battery stats in recovery has ever affected anyone's battery life or battery indication in any way, shape, or form.
Want to know why battery drains after flashing a new rom or kernel? Hint- it has absolutely nothing to do with incorrect battery stats- totally disregarding the fact for a moment that batterystats.bin has absolutely nothing to do with battery charge indication.. After flashing a new rom, your device is actually using more battery than usual as accounts are set up and synced. Likewise, after flashing a new kernel, it takes a short amount of time for the kernel to "settle."
If you still believe the myth that battery stats need to be wiped every now and again, there's an even easier way to do it than wiping in recovery or using some snake oil app... charge your device to full or near full and then unplug it from the charger. Voila- you've just successfully wiped battery stats!
Click to expand...
Click to collapse
i have a question....... i discovered this app because mi battery was giving me problems..... for example...... it charges very quickly .... and when i had mmmmm 15% my tablet just shutdown....... when i use this app, i charged my battery to 100% and i "calibrate" my battery ,and my battery works perfect again, now my tablet shutdown in 0% or something like that..... so that could be called calibration.... o what?
thanks!!
alonsoch said:
i have a question....... i discovered this app because mi battery was giving me problems..... for example...... it charges very quickly .... and when i had mmmmm 15% my tablet just shutdown....... when i use this app, i charged my battery to 100% and i "calibrate" my battery ,and my battery works perfect again, now my tablet shutdown in 0% or something like that..... so that could be called calibration.... o what?
thanks!!
Click to expand...
Click to collapse
The app has nothing to do with it as the only thing it clears is the list of processes that have operated on battery since the last full or near full charge.
The only "calibration" that an end user can perform entails a complete discharge/charge cycle. This resets the flags for the battery's internal fuel gauge.
Sent from my Galaxy Nexus using Tapatalk 2
Is there a fix for stuck battery percentage? My tablet was working fine and all of a sudden I realized it was being stuck at 100% regardless of how much I used it.
Aria807 said:
Is there a fix for stuck battery percentage? My tablet was working fine and all of a sudden I realized it was being stuck at 100% regardless of how much I used it.
Click to expand...
Click to collapse
a reboot usually fixes it
thx fo info
does that mean these two posts are crap?
http://forum.xda-developers.com/wiki/Battery_Calibration
http://www.xda-developers.com/andro...asy-way-with-battery-calibration-for-android/
dosmastr said:
http://forum.xda-developers.com/wiki/Battery_Calibration
http://www.xda-developers.com/andro...asy-way-with-battery-calibration-for-android/
Click to expand...
Click to collapse
Both are outdated.
Sent from my Nexus 7 using Tapatalk HD
najaboy said:
The only "calibration" that an end user can perform entails a complete discharge/charge cycle. This resets the flags for the battery's internal fuel gauge.
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
This is all the recalibration the device needs.
Naja is 99% correct. It's not the only calibration you can do (you can wipe stats), but it's the only one you should need to do.
batteryuniversity.com has a couple of good articles on the care and feeding of Li-Ion batteries. There is a lot of less than accurate info that floats around about batteries. The above site is a good way to learn the difference.
Sent from my Nexus 7 using xda premium
Wiping stats does nothing in terms of calibration.
Sent from my SCH-I545 using Tapatalk 4 Beta
My Z PLAY charger is damaged and is not working anymore i had given the charger for replacement 4days ago which will take around 10-15 days.
And NOW I'm charging my z play with Sony charger through the USB provided in box.
But the battery life now becomes very very terrible!
It is only giving 2-3 hrs Screen On time!(Using only Facebook and WhatsApp)
Can anyone TELL how can i REGAIN my previous battery life when I'll receive my original charger from moto?
Anyways PLEASE!?
Yash24 said:
My Z PLAY charger is damaged and is not working anymore i had given the charger for replacement 4days ago which will take around 10-15 days.
And NOW I'm charging my z play with Sony charger through the USB provided in box.
But the battery life now becomes very very terrible!
It is only giving 2-3 hrs Screen On time!(Using only Facebook and WhatsApp)
Can anyone TELL how can i REGAIN my previous battery life when I'll receive my original charger from moto?
Anyways PLEASE!?
Click to expand...
Click to collapse
That's strange. Did you reset ? If yes I think you should get your phone checked.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
That's strange. Did you reset ? If yes I think you should get your phone checked.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
I'll try hard reset after receiving my moto charger.
What's the relation ?
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
What's the relation ?
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
If I'll perform hard reset now then battery life will again become very very terrible after charging with others company charger like now.
[Battery becomes terrible after charging device with another charger at that time.]
Yash24 said:
If I'll perform hard reset now then battery life will again become very very terrible after charging with others company charger like now.
[Battery becomes terrible after charging device with another charger at that time.]
Click to expand...
Click to collapse
In the beginning i was charging with my note 2 charger and that's almost 5 years old. No problems. Try a different charger and reset. After that use battery caliberarion app by Nema. Download it from play store.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
In the beginning i was charging with my note 2 charger and that's almost 5 years old. No problems. Try a different charger and reset. After that use battery caliberarion app by Nema. Download it from play store.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
You were also getting very weak battery life with note 5 charger?
And you have got your previous battery backup again after reset?
And can you also explain what to do after receiving my moto charger?
Please
Yash24 said:
You were also getting very weak battery life with note 5 charger?
And you have got your previous battery backup again after reset?
And can you also explain what to do after receiving my moto charger?
Please
Click to expand...
Click to collapse
Charger had no effect on battery. After reset it's not quite the same but better than before ( before reset).
Follow these instructions.
1) reset and wipe cache ( use recovery mode )
2) install battery caliberation by Nema from play store.
3) charge your phone to 100%. ( Phone will show 100% even when it's not...keep it plugged in.)
4) calibrate using Nema
5) install accu battery and gsm battery stats
5) observe for next 4-5days.
PS: gsm battery stats will require you to grant it permission using adb. Instructions are there in the app.
How much battery do you loose over night? If it's more than 3-4% then it is because of some wake lock and GSM better battery stats will help you identify it.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
Charger had no effect on battery. After reset it's not quite the same but better than before ( before reset).
Follow these instructions.
1) reset and wipe cache ( use recovery mode )
2) install battery caliberation by Nema from play store.
3) charge your phone to 100%. ( Phone will show 100% even when it's not...keep it plugged in.)
4) calibrate using Nema
5) install accu battery and gsm battery stats
5) observe for next 4-5days.
PS: gsm battery stats will require you to grant it permission using adb. Instructions are there in the app.
How much battery do you loose over night? If it's more than 3-4% then it is because of some wake lock and GSM better battery stats will help you identify it.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
Tnx!
I have heard that battery saving apps like accubattery give harm to battery life.
I loose 3-4 percent over night(Not more than 3-4)
Sometimes 3 and sometime 4 percent.
Yash24 said:
Tnx!
I have heard that battery saving apps like accubattery give harm to battery life.
I loose 3-4 percent over night(Not more than 3-4)
Sometimes 3 and sometime 4 percent.
Click to expand...
Click to collapse
Accu battery is not a battery saving app. It's a battery monitor app.
Any battery saving app is just a scam.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
Accu battery is not a battery saving app. It's a battery monitor app.
Any battery saving app is just a scam.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
OK..
But i think that gsam battery monitor is more useful and better
Does battery calibration (By Nema) requires root?
If yes
Can you tell if it can be done without root?
Yash24 said:
OK..
But i think that gsam battery monitor is more useful and better
Does battery calibration (By Nema) requires root?
If yes
Can you tell if it can be done without root?
Click to expand...
Click to collapse
Yes GSM is better both of them have their own merits. Accu battery will show you in a very user friendly way. I use both and typically I use accu battery to check per app usage rather than GSM.
And no, battery calibration app doesn't require root.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
Yes GSM is better both of them have their own merits. Accu battery will show you in a very user friendly way. I use both and typically I use accu battery to check per app usage rather than GSM.
And no, battery calibration app doesn't require root.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
Thanks Alot for Help!
I'm worried about my battery life if it'll be restored by your methods or not.(What do you think?:silly:)
I don't want to send my device to Motorola care
Yash24 said:
Thanks Alot for Help!
I'm worried about my battery life if it'll be restored by your methods or not.(What do you think?:silly:)
I don't want to send my device to Motorola care
Click to expand...
Click to collapse
Try these methods. If it's not an hardware problem, I am sure it will help.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
Try these methods. If it's not an hardware problem, I am sure it will help.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
OHK
One last question::angel:
After calibrating battery and unplugging charger we'll have to again drain it to 0 and charge to 100?
Or unplug and it's done?
Yash24 said:
OHK
One last question::angel:
After calibrating battery and unplugging charger we'll have to again drain it to 0 and charge to 100?
Or unplug and it's done?
Click to expand...
Click to collapse
No need to drop to 0. You can can plug at 5 or 10 percent.
Please note that after reset it will take some cycles for android and battery to adjust. So follow the instructions above.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
No need to drop to 0. You can can plug at 5 or 10 percent.
Please note that after reset it will take some cycles for android and battery to adjust. So follow the instructions above.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
This one?
Charger had no effect on battery. After reset it's not quite the same but better than before ( before reset).
Follow these instructions.
1) reset and wipe cache ( use recovery mode )
2) install battery caliberation by Nema from play store.
3) charge your phone to 100%. ( Phone will show 100% even when it's not...keep it plugged in.)
4) calibrate using Nema
5) install accu battery and gsm battery stats
5) observe for next 4-5days.
?
Yash24 said:
This one?
Charger had no effect on battery. After reset it's not quite the same but better than before ( before reset).
Follow these instructions.
1) reset and wipe cache ( use recovery mode )
2) install battery caliberation by Nema from play store.
3) charge your phone to 100%. ( Phone will show 100% even when it's not...keep it plugged in.)
4) calibrate using Nema
5) install accu battery and gsm battery stats
5) observe for next 4-5days.
?
Click to expand...
Click to collapse
Yes.
Sent from my XT1635-02 using Tapatalk
leoavi94 said:
Yes.
Sent from my XT1635-02 using Tapatalk
Click to expand...
Click to collapse
Thanks alott
You helped me alot!!
I suppose this is a battery issue, but is there a way to calibrate the phone with a specific battery? The phone is shutting down unexpectedly cause the operating system shows 25% charge when, in reality, I suppose has drained out.
I've drained the battery, charged it to 100% while the phone is off (I've read this is how you calibrate batteries), but the issue persists.
Any suggestions? Thanks!
Needs new batt
Sent from this galaxy
Try calibrating battery
Sent from my LG-D855 using Tapatalk
lolemenos said:
Try calibrating battery
Sent from my LG-D855 using Tapatalk
Click to expand...
Click to collapse
Any suggestions as to how? Phone is rooted, if that helps.
Thanks!
I had the same problem. Just download "Battery Calibration" app from the store and follow the steps. (The icon of the app is little android with procent).
It should fix your problem in few days, so it may restart a few more times after you do calibration, but it should be fixed.
petar11199 said:
I had the same problem. Just download "Battery Calibration" app from the store and follow the steps. (The icon of the app is little android with procent).
It should fix your problem in few days, so it may restart a few more times after you do calibration, but it should be fixed.
Click to expand...
Click to collapse
Yes, it seems to do the trick after two or three calibrations. Thank you for the suggestion.
pr1jker said:
Needs new batt
Sent from this galaxy
Click to expand...
Click to collapse
He does not need a new battery. Its a calibration problem.
Also check the battery voltage, at full must be on 4.3-4.35 while connected. And low is on the 3.4 zone, below that the battery dies suddenly and damages it.
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