Battery adjusting method. ( Works for me ) - Galaxy S II General

Hi guys,
After a week with hard usage, I decided to adjust my SGS2 battery. Maybe you know this method anyway... It works for me at least and I can see the improvment.
Here we go,
Let the phone charge 100% full. Unpluge and turn it OFF...
Plug charger and wait again till 100%...Then unplug it again...
Turn the phone ON ...Use a few minutes DONT PLUG.
And finally, turn it OFF again and plug charger and wait till 100% full of charge.
Now you can turn it on and use...DONE...
Hope it helps...

This is close to the way of doing it, but the battery stats file remains. So to improve this further, you'll need to wipe the battery stats. Let it decharge. Then charge it to 100% while it's off or something.

So what does that give to you? Better batery life? How did you decide that it works?

Its like; after 10-15 minutes playing game, battery is still 100%

prodygee said:
This is close to the way of doing it, but the battery stats file remains. So to improve this further, you'll need to wipe the battery stats. Let it decharge. Then charge it to 100% while it's off or something.
Click to expand...
Click to collapse
Yeah, you are right too...

Do not do this well posted bump charging trick often as your battery life will drop with too frequent bump charging .
jje

Related

ROMs having problems charging ?!?!

ok so pretty much every rom i load and use. i mainly just use fresh 2.0d and DC 2.07/08. they all seem to have a problem when charging. when its being charged the phone stays awake 100%. anyone else notice this ?
Warrior 3000 said:
ok so pretty much every rom i load and use. i mainly just use fresh 2.0d and DC 2.07/08. they all seem to have a problem when charging. when its being charged the phone stays awake 100%. anyone else notice this ?
Click to expand...
Click to collapse
i've had the same issue. and taking forever to charge. i followed some steps in another thread to wipe battery stats. i'll see if that fixes it.
steps are:
fully charge the phone
boot into recovery (i have anon) and choose wipe - wipe battery stats
use phone as normal & let battery drain down
recharge to full.
i'll see if that fixes anything.
i just did all that. still at 100% awake time when charging.
mjpuczko said:
i've had the same issue. and taking forever to charge. i followed some steps in another thread to wipe battery stats. i'll see if that fixes it.
steps are:
fully charge the phone
boot into recovery (i have anon) and choose wipe - wipe battery stats
use phone as normal & let battery drain down
recharge to full.
i'll see if that fixes anything.
Click to expand...
Click to collapse
Warrior 3000 said:
i just did all that. still at 100% awake time when charging.
Click to expand...
Click to collapse
Do you mean awake time is 100% or the screen stays on? Can you see what is staying awake?
Charging over USB?
The Hero has always keeps a partial wake when charging over USB.
no i mean when im charging my phone the awake time keeps going up and doesnt stay down. if i would to trun my phone on and charge it right away the awake time would be at max 100%. when im charging my phone via WALL charger..i see in about phone battery it says "charging (USB)" but im using the wall charger. wtf ?
Warrior 3000 said:
no i mean when im charging my phone the awake time keeps going up and doesnt stay down. if i would to trun my phone on and charge it right away the awake time would be at max 100%. when im charging my phone via WALL charger..i see in about phone battery it says "charging (USB)" but im using the wall charger. wtf ?
Click to expand...
Click to collapse
Not sure why it says charging (USB) but if it thinks it's charging over USB then it will keep the phone awake, period. That's how it's always been.
hm, maybe its a bug ? cause im using the wall charger.
am i the only one with this issue ?
??????????????????
come on guys i still have this problem. its so annoying.
i'm no longer having this issue after wiping battery stats. battery life is also really good
the battery wipe trick...all i do is wipe the battery stats then let the phone die on its own ?
Warrior 3000 said:
the battery wipe trick...all i do is wipe the battery stats then let the phone die on its own ?
Click to expand...
Click to collapse
Charge it to full first. Then wipe battery stats. Then keep it off the charger until the battery dies. After that, recharge to full before using it again. That should clear any issues with charging memory. Not sure why it would do anything for 'awake time' when USB connected (you can turn that off in applications/development), and it CERTAINLY shouldn't stay awake while on the wall charger. But since someone else said it did the trick, can't hurt to try it.

Battery inaccurate after boot

Hi all
since a week or so i have a strange problem with my sgs and i hope you can help me to fix it
Everything works just fine (battery is accurate) until i switch off / reboot the phone
but at next boot the battery reports a very low value
(e.g. the phone has 55% battery left and after the reboot it reports only 8%)
with Froyo 2.2.1 (Speedmod Kernel) it would stay at that level until the battery has really drained to that point
With GB (JVQ - Galaxian Kernel) the battery percentage increases slowly
What i tried so far:
first of all, i deleted the battery stats for a few times and because that didn't work i upgraded to JVQ (with repartitioning and all), but that didn't solve the problem either
i don't really know what to do anymore and i hope someone can help me
thanks
Just do a few drain/ charge cycles and that should sort it
Sent from my GT-I9000 using XDA Premium App
First off, wiping batterystats.bin alone won't help.
Try this:
1. Charge to 100% until it says unplug charger.
2. Wipe batterystats.bin from recovery, unplug and then reboot
3. Drain your phone's battery until it shuts itself down
4. Charge to 100% without interrupting the charge
5. Enjoy :3
thanks for the quick replay!
unfortunately thats basically what i have already done
since the problem happened the first time, i have charged the phone at least 5 times and wiped the battery stats for 2 or 3 times right after charging the phone to 100%
its true that normally i don't drain the battery completely, but yesterday i have done just that and than let the phone charge overnight - but that didn't solve the problem
i will try to fully discharge the phone a few more times and load the battery while the phone is switched off
still i hope someone has an other suggestion how to solve this annoying problem
thanks
lol - stop deleting the batterystats.bin for starters.
The batterystats needs to indentify the top and bottom markers such as 0% - 100%, delete it ONCE.
Firstly, turn the phone off, charge the phone to 100%, bump charge it, till 100% truely.
This means, unplug...then plug it in again until you keep getting 100% show up.
Boot up into recovery then delete the batterystats.bin.
Use it heavy, activate everything and drain it. Make sure it is compeltely drained, try turning the phone back on, take the battery out for about 2 mins, try turning it on again, if it doesnt turn on, you've drained it.
Plug your charger in, do not turn the phone on, let it charge to 100%, again, bump charge it until 100% truely full, turn the phone on and let it run its natural course this time.
Do not delete the batterystats.bin again, you will have to repeat the process, it will take a good 2/3 times of charge/discharge for the stats to settle.
Hopefully helps dude! Good luck
thanks pidz!
just to clarify: i have had my sgs for a half year now and i never wiped the battery stats until last week
But i haven't tried bump charging jet - i really don't like that process as it is bad for the battery but might be worth a try, thanks
it usually happens with non original batteries. did you changed a battery? or maybe you got a fake one with you phone?

Batterycalibration

Has anyone else used the batterycalibration app from the market?
I found that after using it my battery life is worse! I used Juice Defender before and after using this app, keeping the settings exactly the same, and noticed the following changes after ensuring 100% charge at night, the battery state in the morning was/is:
Before using batterycalibration - 99-100%
After using batterycalibration - 93-95%
Nothing else has changed as far as running apps is concerned so I can't understand why I now have this drop in battery. I've also noticed that the battery drains a lot quicker after using this app (only used it once). Juice Defender used to do a very good job of managing my battery but after using the batterycalibration app I'm not seeing any benefit, in fact totally the opposite.
Have you tested batterylife by timing it yourself? Batterycalibration obviously calibrates your battery. It corrects the displayed %. This means that before, when it said 99%, it could have been 93% as well, but just said it was 99%.
Zhypr said:
Have you tested batterylife by timing it yourself? Batterycalibration obviously calibrates your battery. It corrects the displayed %. This means that before, when it said 99%, it could have been 93% as well, but just said it was 99%.
Click to expand...
Click to collapse
Yes, I check it with systeminfo so I know it's a better indication than just the battery icon.
xybadog said:
Yes, I check it with systeminfo so I know it's a better indication than just the battery icon.
Click to expand...
Click to collapse
The app sucks. I calibrated with the app and then calibrated the proper way and the proper way took an extra 30 min to completely charge.
Never use the app. Just charge till green. Unplug and turn off the charge till green while off. Then once green unplug the phone and turn the phone back on let it boot up completely then turn off again and charge till green or ten minutes whichever is longer then unplug and turn on and go into cwm and clear bat stats. Restart phone and enjoy
HTC DESIRE
mr_clean5953 said:
The app sucks. I calibrated with the app and then calibrated the proper way and the proper way took an extra 30 min to completely charge.
Never use the app. Just charge till green. Unplug and turn off the charge till green while off. Then once green unplug the phone and turn the phone back on let it boot up completely then turn off again and charge till green or ten minutes whichever is longer then unplug and turn on and go into cwm and clear bat stats. Restart phone and enjoy
HTC DESIRE
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Click to collapse
I was going to do this (bump the battery) but seen quite a lot of posts here, and other forums, where people have seen worse battery life and, in a few cases, their battery dies and becomes totally unusable. Might give it a go though, once I get a spare battery.
Hi Guys,
Speaking of battery calibration I am about to go travelling for several months with my desire and have 4 batteries to take with me. Is there anything imparticular I should consider when charging/swapping between these batts in terms of calibration. I also have an external battery charger I was going to use to charge them the majority of the time.
Any help appreciated.
Cheers
mr_clean5953 said:
The app sucks. I calibrated with the app and then calibrated the proper way and the proper way took an extra 30 min to completely charge.
Never use the app. Just charge till green. Unplug and turn off the charge till green while off. Then once green unplug the phone and turn the phone back on let it boot up completely then turn off again and charge till green or ten minutes whichever is longer then unplug and turn on and go into cwm and clear bat stats. Restart phone and enjoy
HTC DESIRE
Click to expand...
Click to collapse
xybadog said:
I was going to do this (bump the battery) but seen quite a lot of posts here, and other forums, where people have seen worse battery life and, in a few cases, their battery dies and becomes totally unusable. Might give it a go though, once I get a spare battery.
Click to expand...
Click to collapse
I always use this app and it works great. It just erases the batterystats.bin file.
FYI, HTC actually used to recommend the above mentioned technique but have now warned against it as they say it is terrible for your battery's health.
Works wonders for me, use it on 3 devices, and have had no problems.
Regards

Recurring battery issues

I've been having a problem with my battery for a while now where the mV's stay where they should and the percentage drops really fast leaving me with horrible battery life. I've tried calibrating my battery plenty of times and tried various guides and fixes but nothing seems to fix my battery. Can anyone help me or should I invest in a new battery? Thanks
For example, I took a screenshot while my battery was at 3593mV (4200mV is full) and it said it was at 15%. This happens on every rom I flash but I'm currently on Miui Alpha 3 if that makes any difference.
i am sure you have looked at this thread... http://forum.xda-developers.com/showthread.php?t=1407569, it seems there are a few of us that have some battery issues.
I have seen that thread, but I'm not sure if I have the same problem or not. For me, the percentage of my battery just goes down way faster than the actually charge on my phone.
for some reason, i think that its the way the phones are reading the data. the math is wrong. the only reason why i am thinking this is cause my dads phone is doing the same thing, not showing 100% charge when it should be.
what happens when your phone reaches 0%? does it shut off? whats the battery voltage when this happens?
My phone shut off at 0%. After rereading that thread I managed to fix my battery by doing this:
1. Charge to %100
2. Use a wall charger and take the battery out so it shows a question mark, then put the battery back in till you think its at 4200mV
3. Keep phone plugged in and delete the battery stats in /data/system, and cc_data, cc_data_old, and powerup from /data/battd
Hope those directions are good enough, hope you get your batteries fixed!
dj11596 said:
My phone shut off at 0%. After rereading that thread I managed to fix my battery by doing this:
1. Charge to %100
2. Use a wall charger and take the battery out so it shows a question mark, then put the battery back in till you think its at 4200mV
3. Keep phone plugged in and delete the battery stats in /data/system, and cc_data, cc_data_old, and powerup from /data/battd
Hope those directions are good enough, hope you get your batteries fixed!
Click to expand...
Click to collapse
post back and let us know if this is a TEMP fix. it was in my case, but i did not remove my batt stats.

PROPER battery calibration... is getting on my nerves :/

So, I am using MIUI 2.1.12 with LorDModUE 8.6 CFS 2WCR kernel.
I have installed 4EXT Recovery Controller and CurrentWidget.
With CurrentWidget, I monitored the battery while charging until it reached 0mA (which means the battery is as full as it can get).
With 4EXT Recovery Controller I removed the batterystats.bin file.
I drained the phone until it shut itself down. Then I charged it (without powering it on) until it was full (LED was green).
I power on the phone... 99% battery.
I plug in the charger... it says 26mA (which means it would reach 0mA as in full charge in another 20-30 minutes).
WHAT THE HELL?!
This never happened while I was using the default CM kernel included in MIUI. Only happened with Tiamat and LordMod.
--
Seriously, guys, what is the best way to calibrate the battery?! Perhaps I should not have let it shut itself down, but plug the charger when the phone was at 1% (which lasted for another 20-30 minutes, by the way)?!
if I don't remember it wrong the LED turns green at 90%.
afair the battery doesn't get charged during booting. which means that you probably lost the 1% during boot.
I also used the same method and got it calibrated correctly
but is their any other way too ?
monki79 said:
if I don't remember it wrong the LED turns green at 90%.
Click to expand...
Click to collapse
The LED turns green on AOSP ROMs at 90%, when the phone is ON, as far as I know. When it is OFF, it works fine (goes green at 100%).
I want to hear from the developers / those that know how these codes work and stuff... Cause I don't want to look at my phone how the percentage goes down so fast, then, when it reaches 10%, I can play Pocket Legends for another 20 full minutes -.-
Formhault said:
With CurrentWidget, I monitored the battery while charging until it reached 0mA (which means the battery is as full as it can get).
With 4EXT Recovery Controller I removed the batterystats.bin file.
I drained the phone until it shut itself down. Then I charged it (without powering it on) until it was full (LED was green).
I power on the phone... 99% battery.
I plug in the charger... it says 26mA (which means it would reach 0mA as in full charge in another 20-30 minutes).
WHAT THE HELL?!
Click to expand...
Click to collapse
The battery doesn't charge to full capacity first time around. When I used to calibrate the battery I would charge until it was drawing 0mA, then reboot; it would be drawing about 26mA, so I'd charge to 0mA again and reboot; it would now be drawing about 15mA, so I'd carry on charging to 0mA, reboot, repeat, repeat and repeat until it eventually continued to draw 0mA after a reboot. Then I'd delete the batterystats.bin file.
As one of Google's engineers says, deleting your battery stats isn't going to improve your battery life. I haven't done any of that for a long time now and I've noticed precisely no difference (except for the extra time I've gained by not having to wait for it to finally charge up to full capacity).
hopscotchjunkie said:
The battery doesn't charge to full capacity first time around. When I used to calibrate the battery I would charge until it was drawing 0mA, then reboot; it would be drawing about 26mA, so I'd charge to 0mA again and reboot; it would now be drawing about 15mA, so I'd carry on charging to 0mA, reboot, repeat, repeat and repeat until it eventually continued to draw 0mA after a reboot. Then I'd delete the batterystats.bin file.
As one of Google's engineers says, deleting your battery stats isn't going to improve your battery life. I haven't done any of that for a long time now and I've noticed precisely no difference (except for the extra time I've gained by not having to wait for it to finally charge up to full capacity).
Click to expand...
Click to collapse
I know about Google's statement.
The battery would drain fast, then, when it reaches 1% or 5%, you would be able to use your phone like it had 30%. Just that it shows the values wrong. Calibrating the battery should fix that...
Anyway... I'm not going to struggle any further.
I'll tell what I've done;
- I have installed Battery Balibration app and CurrentWidget,
- Waited battery charging till reached 0ma,
- Removed battery stats and restarted,
- Then waited to drain battery and shut-down itself,
- I connected USB charger to PC and TURN ON THE PHONE !!
- Again waited battery to reach 0 ma,
- Then plugged off and monitored that current widget shows the range btw 3-10 !!
I don't know exactly if it helps but, maybe you should turn on your DHD while carging..
For further instructions you may qant to check this topic;
http://forum.xda-developers.com/showthread.php?t=1226016
Formhault said:
So, I am using MIUI 2.1.12 with LorDModUE 8.6 CFS 2WCR kernel.
I have installed 4EXT Recovery Controller and CurrentWidget.
With CurrentWidget, I monitored the battery while charging until it reached 0mA (which means the battery is as full as it can get).
With 4EXT Recovery Controller I removed the batterystats.bin file.
I drained the phone until it shut itself down. Then I charged it (without powering it on) until it was full (LED was green).
I power on the phone... 99% battery.
I plug in the charger... it says 26mA (which means it would reach 0mA as in full charge in another 20-30 minutes).
WHAT THE HELL?!
This never happened while I was using the default CM kernel included in MIUI. Only happened with Tiamat and LordMod.
--
Seriously, guys, what is the best way to calibrate the battery?! Perhaps I should not have let it shut itself down, but plug the charger when the phone was at 1% (which lasted for another 20-30 minutes, by the way)?!
Click to expand...
Click to collapse
Theres a better alternative, use the battery calibration app in the market
https://market.android.com/details?id=com.nema.batterycalibration&hl=en
It's always worked a charm for me.
knp3385 said:
Theres a better alternative, use the battery calibration app in the market
https://market.android.com/details?id=com.nema.batterycalibration&hl=en
It's always worked a charm for me.
Click to expand...
Click to collapse
Right, with Battery Calibration i have solved my problem with battery, now i can use all day without charging.
Sorry if my question is a silly one...
what's the point in calibrating your battery? I mean... except for the stats (and I guess, the percentage in the bar), do you improve your battery life by calibrating it?
Duwie_80 said:
Sorry if my question is a silly one...
what's the point in calibrating your battery? I mean... except for the stats (and I guess, the percentage in the bar), do you improve your battery life by calibrating it?
Click to expand...
Click to collapse
Some says it's irrelevant, calibrating it's just an illusion
But did calibrate my battery and my battery life is improved too terrific !!
Duwie_80 said:
Sorry if my question is a silly one...
what's the point in calibrating your battery? I mean... except for the stats (and I guess, the percentage in the bar), do you improve your battery life by calibrating it?
Click to expand...
Click to collapse
fremce said:
Some says it's irrelevant, calibrating it's just an illusion
But did calibrate my battery and my battery life is improved too terrific !!
Click to expand...
Click to collapse
I don't really know. It would be silly for the Android system to display the battery percentage (up there, in the status bar) by reading the batterystats.bin.
My phone's battery level drops somewhat fast, then, when it would reach 30% or so, it doesn't drop as fast. Also, at times, when I reach 10%, 5% or even 1%, I am still able to play an intensive game like Pocket Legends for an extended ammount of time (30 minutes, for example). Pocket Legends is CPU/GPU intensive and it also requires an active Internet connection, so I'd say it's pretty power hungry.
I don't really get the entire purpose of calibration. I have done it and I can't seem to notice any difference.
I'm going to do it again, now, because I switched to a Sense ROM (RunnyDrOiD). I'll monitor the battery with Battery Monitor Pro. When it reaches +0mA, I'll reboot and so forth so forth until it's drawing 0mA, although I doubt I'll resist that much time, so I'll just delete the batterystats.bin after a few reboots, when it reachs 0mA.
fremce said:
Some says it's irrelevant, calibrating it's just an illusion
But did calibrate my battery and my battery life is improved too terrific !!
Click to expand...
Click to collapse
If everybody knew the meaning of the word "calibration" then nobody would talk such nonsense.
Calibration improves the accuracy of the percentage shown!
The illusion is that you improve your battery life with it....
Dlog said:
If everybody knew the meaning of the word "calibration" then nobody would talk such nonsense.
Calibration improves the accuracy of the percentage shown!
The illusion is that you improve your battery life with it....
Click to expand...
Click to collapse
As I said... calibrating the battery may fix the "problem" where once you reach 1% / 5% you can use your phone like it still had ~20%.
I'm gone test it too...
Hi there people, I didn't find any battery thread similar to what I'm going to say so I'll spam a little bit
I've just found as I was fooling around this: http://www.ebay.com.au/itm/PowerSki...AU_MobilePhoneAccessories&hash=item20c1a1c8ad
It suppose to be a silicon case with a battery build in(1500mah ..not bad), I don't know the dimensions but I just someone might think it as a solution to our 1230mah small battery(with this you have a total of 1730mah which is plenty)
P.S. To mods.. feel free to delete my post, I just wanted to inform the people about a solution that might be handy
evronetwork said:
Hi there people, I didn't find any battery thread similar to what I'm going to say so I'll spam a little bit
I've just found as I was fooling around this: http://www.ebay.com.au/itm/PowerSki...AU_MobilePhoneAccessories&hash=item20c1a1c8ad
It suppose to be a silicon case with a battery build in(1500mah ..not bad), I don't know the dimensions but I just someone might think it as a solution to our 1230mah small battery(with this you have a total of 1730mah which is plenty)
P.S. To mods.. feel free to delete my post, I just wanted to inform the people about a solution that might be handy
Click to expand...
Click to collapse
https://www.google.com/search?q=xda+powerskin+desire+hd
first link....

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