after some quick seach i found there a several methods to calibrate the battery with/without wiping battery stats
Method 1
(http://androidforums.com/hero-all-t...tery-life-performance-your-new-shiny-rom.html)
Battery
· Wipe your battery stats...
1. Allow the phone to discharge completely
2. Boot into recovery (hold Home and press On) plug the phone in if you don't have enough charge to get into recovery
3. Select Wipe > Wipe battery stats
4. Go back and Reboot
5. Leave the phone to do a complete charge (preferably over night)
Method 2
1. You will need to charge the phone to 100% (while the phone is off).
2. Leave charging cable plugged in.
3. Boot into recovery and wipe the battery stats (should be under Advanced).
4. Then boot into Android.
5. Then remove the charging cable.
Method 3
Calibrate your Battery
Calibrate the battery by completely draining it until the phone completely shuts itself off.
Turn the phone on again and let it shut itself off one more time.
Then charge your phone while it is off for over 8 hours.
This will fully charge the battery so that when the Android is turned on, it now sees the battery as full.
It is recommended to repeat this process at least one more time.
You should see a significant increase in your battery’s charge life.
Calibration of a battery can be done at any point and a maintenance calibration is recommended every month.
RECALIBRATION:
A recalibration is mostly needed, when dealing with different kernels (ROOT!). Most custom recovery images provide the option "battery stats wipe" under the menue "Wipe".
Here is how ya do it!
1. Enter Recovery Mode
2. do a full nandroid (or nandroid+ext) backup
3. Enter "Wipe"-Menue
4. do "Battery stats wipe"
5. reboot
Then you just take the steps from a bove to continue:
Method 4 (without wipe stat)
Hi *******, I understand your concern regarding battery life on your Nexus One device. The following steps should significantly extend the battery life on your phone. Please connect the phone to the charger with the phone powered on, and allow the phone to charge until the notification LED is green, indicating the device is fully charged. Disconnect the phone from the charger, and power it off. Reconnect the phone to the charger with the phone powered off, and allow the phone to charge until the notification LED is green. Disconnect the phone from the charger and power it on. Once the phone is powered completely on, power it off again and reconnect it to the charger until the notification LED is green. Disconnect the phone, power it on, and use it. You need to use this sequence only once. If the issue of battery life on our phone persists, I recommend you contact our HTC accessory department directly.
Tried this and there doesnt seem to have an significant effect.
and now i'm trying method 3 with wiping done first.am i doing it wrong?
None, I charge every night so not bothered so long as battery lasts the day
i tend to have the problem of removing the charger and the batt stats shows fully charge to 96 within 5 min..weird
actually i'm doing the 4th method right now
Recently I had a big problem with my Google Play Store and couldn't download anything or play videos in the youtube app.In desperation to find a fix I relashed my ROM with Odin,did a factory reset before clearing the dalvik cache which seemed to fix it.Because of this I had to re-root and uninstall lots of bloat and set up the V6 script.My phone is running almost perfect now except since that ordeal my battery life isnt what it used to be.It drains terribly even on moderate use.Before all the problems,I had de-bloated and was easily getting over 24hrs on light-moderate usage.Now I'm lucky to get 14hrs and can drain the whole thing in under 5hrs on heavy usage.I check the battery usage stats and the closest thing to the display is Android system.Could it be the ROM posted on this forum is more juice hungry than what I had before,even though its the exact same FW(2.3.6 XEU XXLA2)?Its the only reason I can think of since everything else is in order.Any ideas guys?
Sent from my Wonder
What rom did you install?
I8150XXLA2_OXXKL4_XEU (2.3.6) posted by krrazy.My phone is the UK sim-free version.I installed the right ROM right?
Sent from my Wonder
Have you try to use the juice defender to manage your phone connection etc?
apzzz said:
Have you try to use the juice defender to manage your phone connection etc?
Click to expand...
Click to collapse
Yes I used Juice defender before I rooted and it worked very well but since I rooted it doesnt seem to help anymore so I gave up on it.
Sent from my Wonder
battery calibration
well.. battery calibration have you tried this?
drmfselvis said:
well.. battery calibration have you tried this?
Click to expand...
Click to collapse
No. I heard it actually doesn't have any effect but if there's no risk I'm willing to try.Any risk here?
Sent from my Wonder
2g11 said:
No. I heard it actually doesn't have any effect but if there's no risk I'm willing to try.Any risk here?
Sent from my Wonder
Click to expand...
Click to collapse
er.. yes probably no effect but just try
i think i wont harm your phone. but remember to follow the instructions.
try to search Battery Calibration
Hi got this tip from the galaxy ace forum "barebone ics sunday". If it helps you can try it; I've tried it and somehow managed to get a bit more juice. On moderate - heavy usage (talktime > 1.5hrs, > 25sms, email polling every 3 hours, 15mins playing PES + vid clip 5-10mins, + some calculator work) I was able to get my phone to stay alive for 15-16hrs..maybe 'cos got rid some bloatware may have somehow extended standby time..just give it a shot..it may help a bit..
----------------
How to Calibrate your battery ; guide by Hiroshirou :
1. (phone on) charge to 100% until it actually says full in settings > about phone > status > battery status
2. unplug charger and turn off phone
3. (phone off) plug charger in until it charges to 100%
4. unplug charger and power it on
5. (phone on) plug the charger in and charge it to 100%
6. unplug charger and reboot phone to recovery (into cwm5)
7. go to advanced and clear battery stats.
8. turn on the the phone and charge it to 100% - DONE!
-----------------
Sent from my GT-I8150 using xda premium
faizulrahim said:
How to Calibrate your battery ; guide by Hiroshirou :
1. (phone on) charge to 100% until it actually says full in settings > about phone > status > battery status
2. unplug charger and turn off phone
3. (phone off) plug charger in until it charges to 100%
4. unplug charger and power it on
5. (phone on) plug the charger in and charge it to 100%
6. unplug charger and reboot phone to recovery (into cwm5)
7. go to advanced and clear battery stats.
8. turn on the the phone and charge it to 100% - DONE!
Click to expand...
Click to collapse
Have you tried this Faizul?
What about the comments of whoever has done this?
Positive feedback?
SyzwnFrzRdz said:
Have you tried this Faizul?
What about the comments of whoever has done this?
Positive feedback?
Click to expand...
Click to collapse
Yes I've tried it on my Galaxy Ace and applied the same set of procedures on my W.
Yes, positive feedback I'd say, although the difference is very subtle/small.
Maybe others can give it a try and report if they feel the difference.
On the ACE it was remarkable maybe because the ROM was stripped down to the bare-bone i.e. No calculator, No Calendar, No Gallery, etc.
faizulrahim said:
Yes I've tried it on my Galaxy Ace and applied the same set of procedures on my W.
Yes, positive feedback I'd say, although the difference is very subtle/small.
Maybe others can give it a try and report if they feel the difference.
On the ACE it was remarkable maybe because the ROM was stripped down to the bare-bone i.e. No calculator, No Calendar, No Gallery, etc.
Click to expand...
Click to collapse
Alright Faizul, thanks for the additional method on calibrating the battery.
Will update if there's a BIG difference after proceeding with this.
i have massive battery drain too. will try to calibrate battery method
******ON /OFF Way******
* When your phone is powered ON, charge the battery until .... 100%
* Unplug the phone from the charger and wait ...
* Now power OFF your phone.
* When the phone is OFF, plug the charger into the phone and charge it up until 100%...
* Still the phone is OFF and unplug the charger, wait until the Light turns OFF.
* Now Power ON the phone.
* Wait until the phone is booted completely and then power OFF the phone again.
* When the phone is OFF again plug the adapter into your phone and charge it up until ...100%...
* Now boot your phone in recovery mode , go to Advanced option using the volume up and down keys and then choose the option ‘Wipe Battery Stats’.
* Now Power OFF your phone and use it normally.*
100% working on me .....
Can you .......??????
**★★ NEW INSTRUCTION ★★**
Instructions to Calibrate Battery for Maximum Life on Custom ROMs:
The Android operating system powered by Google eats up the battery a lot more than any other operating system because in Android there is continuous synchronization of data. If you get more than 24 hours of battery life on your phone then it’s phenomenal.
For those who love to change the ROMs on their phone often, you would be obsessed calibrating your phone’s battery very often. For those who have flashed their mobile handset with custom ROM, they are advised to charge their mobile phone to 100 % battery and then update the firmware. Suppose of if update the firmware if you have 50 % battery life, then the new custom ROM will consider you 50 % battery life as the full battery stats and thus it would provide you half the battery as specified by your phone manufacturer. In such cases the battery calibration is required to gain 100 % battery backup as specified and let us go through
calibration process.
* Once you install the*custom ROM
*in your phone, you need to ensure that you have charged your phone for 3 -4 days of time so that the battery gets aligned to the usage pattern of yours. Ensure that in these 3 – 4 days of time you are not charging till the battery becomes 15 – 20% so as to utilize the full charging cycles.
* Now, once the battery is charged full after 3 – 4 days, you then need to connect the phone to the computer with the help of USB cable and then connecting the USB cable to the computer, enter into the recovery mode.
* Now, once you get into the recovery mode, you will find an option called “Advanced” at the bottom of the list in the recovery mode screen. Once you tap on the same, you will see an option called “Wipe battery Stats”, scroll to the same but don’t select the same to wipe it all. Quickly, remove the USB cable which is connected and then choose the option of “Wipe Battery Stats”.
* Once it’s done, you will have to reboot the phone by selecting the same after selecting the “Go Back” option in your recovery mode screen. Now, that’s it you need to again do it for 3 -4 times once the phone is fully charged so as to fully ensure that the battery has been calibrated to the 100% charging so that then you will be able to enjoy the most of your battery.
* Please note that after wiping the battery stats, you need to put your phone to the charger for 30 minutes even after it shows that the phone has been charged to 100%. That’s it you have now successfully calibrated the battery. This is the best way and also is the simplest way with which you can calibrate the battery so as to enjoy the fullest potential of the battery as claimed by the ROM manufacturers. This procedure can be applied to all the custom ROMs...
And all phones ..
Like galaxy y,,galaxy ace,,galaxy mini,,galaxy s,,s2..etc...
Enjoy ....
★★★★★
Sent from my GT-S5360 using xda premium
-----DON'T DO DRUGS-----
*****
rrhgang said:
******ON /OFF Way******
* When your phone is powered ON, charge the battery until the LED turns BLUE. 100%
* Unplug the phone from the charger and wait till the LED turns OFF.
* Now power OFF your phone.
* When the phone is OFF, plug the charger into the phone and charge it up until the LED turns Blue. 100%
* Still the phone is OFF and unplug the charger, wait until the LED turns OFF.
* Now Power ON the phone.
* Wait until the phone is booted completely and then power OFF the phone again.
* When the phone is OFF again plug the adapter into your phone and charge it up until the LED turns blue.100%
* Now boot your phone in recovery mode and once you see the blue screen, navigate to Advanced option using the volume up and down keys and then choose the option ‘Wipe Battery Stats’.
* Now Power OFF your phone and use it normally.
This post from *android advices*
100% working on me .....
Can you .......??
I'm using **myss** custom rom
Sent from my GT-S5360 using xda premium
Click to expand...
Click to collapse
ill give it a try,.
You do realised, this phone doesn't have any LED right?
Sent from my GT-S5360 using XDA
<post deleted>
Deleted
Sent from my GT-S5360 using xda premium
<post deleted>
Try this method & tell me? ??
No LED and no blue indicator for full charge
Sent from my GT-S5360 using xda premium
Try new instructions and enjoy yourself ....
Sent from my GT-S5360 using xda premium
rrhgang said:
Try new instructions and enjoy yourself ....
Sent from my GT-S5360 using xda premium
Click to expand...
Click to collapse
Working on me thanks sir.....
Sent from my GT-S5360 using xda premium
There is a app that calibrates the battery, can i just use that?
Sent from my GT-S5360 using xda premium
rare0412 said:
There is a app that calibrates the battery, can i just use that?
Sent from my GT-S5360 using xda premium
Click to expand...
Click to collapse
I think ...you can. ..
But .... I use this method ....
& now I fill different .....
Sent from my GT-S5360 using xda premium
I am.using a battery tweak script ...
My battery increased a.lot more than double
Sent from my GT-S5360 using XDA
simplyanin said:
I am.using a battery tweak script ...
My battery increased a.lot more than double
Sent from my GT-S5360 using XDA
Click to expand...
Click to collapse
But how can I use tweak...
I don't no about that...please help..
But . I fell different with battery calibration ..
How can I increase my battery life double ..?????
Using tweak script. ???? ....
Sent from my GT-S5360 using xda premium
sanjay44 said:
I think ...you can. ..
But .... I use this method ....
& now I fill different .....
Sent from my GT-S5360 using xda premium
Click to expand...
Click to collapse
you "feel", but she "know". check her post in that link, and you will know that :
1. battery stat that you wipe is nothing todo with battery indicator. it is just to show nice report when you open "settings > about phone > battery use"
2. wipe that file is useless, because every time you charge your android phone until full and then disconnected charger cable, that stat already reset. that mean big chance you already wipe your battery stat every 1-2 day
btw dianne hackborn is google engineer that work on android project. she often write 'mythbusters' post/article about android.
thanks for that wonderful and enlightening link...
i was wondering for quite a while how does deleting a file calibrate anything on the hardware end
Sent from my GT-S5360 using Tapatalk
rrhgang said:
**★★ new instruction ★★**
instructions to calibrate battery for maximum life on custom roms:
The android operating system powered by google eats up the battery a lot more than any other operating system because in android there is continuous synchronization of data. If you get more than 24 hours of battery life on your phone then it’s phenomenal.
For those who love to change the roms on their phone often, you would be obsessed calibrating your phone’s battery very often. For those who have flashed their mobile handset with custom rom, they are advised to charge their mobile phone to 100 % battery and then update the firmware. Suppose of if update the firmware if you have 50 % battery life, then the new custom rom will consider you 50 % battery life as the full battery stats and thus it would provide you half the battery as specified by your phone manufacturer. In such cases the battery calibration is required to gain 100 % battery backup as specified and let us go through
calibration process.
* once you install the*custom rom
*in your phone, you need to ensure that you have charged your phone for 3 -4 days of time so that the battery gets aligned to the usage pattern of yours. Ensure that in these 3 – 4 days of time you are not charging till the battery becomes 15 – 20% so as to utilize the full charging cycles.
* now, once the battery is charged full after 3 – 4 days, you then need to connect the phone to the computer with the help of usb cable and then connecting the usb cable to the computer, enter into the recovery mode.
* now, once you get into the recovery mode, you will find an option called “advanced” at the bottom of the list in the recovery mode screen. Once you tap on the same, you will see an option called “wipe battery stats”, scroll to the same but don’t select the same to wipe it all. Quickly, remove the usb cable which is connected and then choose the option of “wipe battery stats”.
* once it’s done, you will have to reboot the phone by selecting the same after selecting the “go back” option in your recovery mode screen. Now, that’s it you need to again do it for 3 -4 times once the phone is fully charged so as to fully ensure that the battery has been calibrated to the 100% charging so that then you will be able to enjoy the most of your battery.
* please note that after wiping the battery stats, you need to put your phone to the charger for 30 minutes even after it shows that the phone has been charged to 100%. That’s it you have now successfully calibrated the battery. This is the best way and also is the simplest way with which you can calibrate the battery so as to enjoy the fullest potential of the battery as claimed by the rom manufacturers. This procedure can be applied to all the custom roms...
And all phones ..
Like galaxy y,,galaxy ace,,galaxy mini,,galaxy s,,s2..etc...
Enjoy ....
★★★★★
sent from my gt-s5360 using xda premium
*****
Click to expand...
Click to collapse
thanks i will give it a try...
emjimadhu said:
thanks i will give it a try...
Click to expand...
Click to collapse
rrhgang said:
**★★ NEW INSTRUCTION ★★**
Instructions to Calibrate Battery for Maximum Life on Custom ROMs:
The Android operating system powered by Google eats up the battery a lot more than any other operating system because in Android there is continuous synchronization of data. If you get more than 24 hours of battery life on your phone then it’s phenomenal.
For those who love to change the ROMs on their phone often, you would be obsessed calibrating your phone’s battery very often. For those who have flashed their mobile handset with custom ROM, they are advised to charge their mobile phone to 100 % battery and then update the firmware. Suppose of if update the firmware if you have 50 % battery life, then the new custom ROM will consider you 50 % battery life as the full battery stats and thus it would provide you half the battery as specified by your phone manufacturer. In such cases the battery calibration is required to gain 100 % battery backup as specified and let us go through
calibration process.
* Once you install the*custom ROM
*in your phone, you need to ensure that you have charged your phone for 3 -4 days of time so that the battery gets aligned to the usage pattern of yours. Ensure that in these 3 – 4 days of time you are not charging till the battery becomes 15 – 20% so as to utilize the full charging cycles.
* Now, once the battery is charged full after 3 – 4 days, you then need to connect the phone to the computer with the help of USB cable and then connecting the USB cable to the computer, enter into the recovery mode.
* Now, once you get into the recovery mode, you will find an option called “Advanced” at the bottom of the list in the recovery mode screen. Once you tap on the same, you will see an option called “Wipe battery Stats”, scroll to the same but don’t select the same to wipe it all. Quickly, remove the USB cable which is connected and then choose the option of “Wipe Battery Stats”.
* Once it’s done, you will have to reboot the phone by selecting the same after selecting the “Go Back” option in your recovery mode screen. Now, that’s it you need to again do it for 3 -4 times once the phone is fully charged so as to fully ensure that the battery has been calibrated to the 100% charging so that then you will be able to enjoy the most of your battery.
* Please note that after wiping the battery stats, you need to put your phone to the charger for 30 minutes even after it shows that the phone has been charged to 100%. That’s it you have now successfully calibrated the battery. This is the best way and also is the simplest way with which you can calibrate the battery so as to enjoy the fullest potential of the battery as claimed by the ROM manufacturers. This procedure can be applied to all the custom ROMs...
And all phones ..
Like galaxy y,,galaxy ace,,galaxy mini,,galaxy s,,s2..etc...
Enjoy ....
★★★★★
Sent from my GT-S5360 using xda premium
*****
Click to expand...
Click to collapse
i'll give it a try... i thinks it'll works
i dont get the instruction, what do you mean in 3-4days, i will charge the phone and unplug, ang not to use the phone in 3-4days until it gets 15% is that what you mean?
eReNz said:
i dont get the instruction, what do you mean in 3-4days, i will charge the phone and unplug, ang not to use the phone in 3-4days until it gets 15% is that what you mean?
Click to expand...
Click to collapse
don't bother. read post #15
Hi,
I'm running stock JB 4.1.1 (flashed the GSM version when it came out) on my gnex and as of recently, my phone doesn't charge over 72%. My battery history doesn't make any sense, it gives me the history of the last 20+ days, which is a bit useless. My battery life isn't bad, I get a full day of normal use. Just the stats are messed up.
Anybody ever experienced something similar or has a hint the problem is?
thx
rabelanger said:
Hi,
I'm running stock JB 4.1.1 (flashed the GSM version when it came out) on my gnex and as of recently, my phone doesn't charge over 72%. My battery history doesn't make any sense, it gives me the history of the last 20+ days, which is a bit useless. My battery life isn't bad, I get a full day of normal use. Just the stats are messed up.
Anybody ever experienced something similar or has a hint the problem is?
thx
Click to expand...
Click to collapse
If your phone is rooted you can do the battery recalibration from Cyanogenmods wiki (you don't need CM to do this):
1) Charge the device to full battery; let it keep charging until the battery says it is fully charged. Do not just wait until the light is green, it isn't always fully charged, causing a lot of inaccuracies. (You can check by going to: Settings » About device » Status » Battery Level = Full.)
2) Boot to recovery mode and delete the battery stats (in the advanced menu of clockworkmod's custom recovery). Keep charger plugged in.
3) Reboot the device immediately after wiping the battery stats and wait for [your system] to boot completely to the desktop. Once your entire boot is done and you have full access to the device, go ahead and pull the charger and continue with this troubleshooter.
4) Do not charge the device until after draining the battery completely, resulting in it automatically shutting off. Recharge the device completely and then use as you normally would.
Does this sound like what you are looking for or are you after something else?
I am running viper rom and i facing some illogical Battery percentage
Any idea how to calibrate it
I ve tried many apps from play store and no results
And i even tried the hard way by pressing the 3 buttons while the phone is off olso no luck
Any idea?
Calibrating the battery on Android devices
Method for rooted devices:
1. Discharge your phone fully until it turns itself off.
2. Turn it on and let it turn off again.
3. Plug your phone into a charger and, without turning it on, let it charge until the on-screen or LED indicator says 100 percent.
4. Unplug your charger.
5. Turn your phone on. It's likely that the battery indicator won't say 100 percent, so plug the charger back in (leave your phone on) and continue charging until it says 100 percent on the screen as well.
6. Unplug your phone and reboot. If it doesn't say 100 percent, plug the charger back in until it says 100 percent on screen.
7. You want to repeat this cycle until it says 100 percent (or as close as you think it's going to get) when you start it up without being plugged in.
8. Now, install the Battery Calibration app attached below and, before you launch it, make sure your battery is at 100 percent again, then reboot.
9. Immediately launch the app and recalibrate your battery stats.
10. Once you've calibrated your battery, discharge it all the way down to 0 percent and let your phone turn off again.
11. Fully charge the battery one more time without interruption while it's switched off, and the Android system's battery percentage will be reset.
Note that all the app does is wipe the accumulated data from the batterystats.bin file giving you a new clean slate to work with. This method is also called, "training the battery" and should be performed infrequently. Maybe once every four months or so.
References:
https://www.androidpit.com/how-to-calibrate-the-battery-on-your-android-device
.
Aurelius99 said:
See if this will help you.....
https://www.androidpit.com/how-to-calibrate-the-battery-on-your-android-device
.
Click to expand...
Click to collapse
I ll give it a try
I would also note that this would be good to do right before installing a battery monitor app like Gsam or BBS. :good:
comstockload said:
I would also note that this would be good to do right before installing a battery monitor app like Gsam or BBS. :good:
Click to expand...
Click to collapse
I haven't calibrated mine in a long time. Getting ready to do it right now.
How successful was this calibration?