[Dev request] ignore low battery states - HD2 Android Q&A, Help & Troubleshooting and Genera

I want to be able to set android to ignore low battery states. No 15% warning and no shutdown on 0%
Is this possible ?
This would make it very easy to use the 2400mah battery.
Sent from my HTC HD2 using Tapatalk

Visentinel said:
I want to be able to set android to ignore low battery states. No 15% warning and no shutdown on 0%
Is this possible ?
This would make it very easy to use the 2400mah battery.
Sent from my HTC HD2 using Tapatalk
Click to expand...
Click to collapse
You could use one of the BETA Kernel with Extended Battery Support..
There you could "use" these type of Battery !
It isnt good to deactivated these secret Warnings because you should know if the Battery would be discharged to 0 % !!

Visentinel said:
I want to be able to set android to ignore low battery states. No 15% warning and no shutdown on 0%
Is this possible ?
This would make it very easy to use the 2400mah battery.
Sent from my HTC HD2 using Tapatalk
Click to expand...
Click to collapse
I whole heartedly agree with you. There is no point of any batteries shutting down at 3.6 volts whether regular or extended. It is a well known fact that our batteries can be safely discharged to 3.3 volts with no ill effects whatsover.
There is no way to discharge the battery to the unsafe level of lower than 3 volts (i believe it is around 2.7v when the safety chip/mechanism kicks in shutting the battery down to prevent damage)
So it would be a great step forward for someone to lower the stupid 3.6v preset shutdown in the kernels and drop it down to 3.3 volts
If anything Arne might be the one to do it... He alone came up with the extended versions of the other kernels here. Wish I knew where to look to lower the phone shuttdown limit.

Lanhack the cheap extended battery is great if we can have the phone ignore % and we use a voltage widget to understand our power level. The cheap one doesn't report as an extended battery so arnes kernel has no use for these batteries right now. Also it doesn't report % properly and the kernals go to 0% with over 70% still left in the battery no matter what kernel you use.
Sent from my HTC HD2 using Tapatalk

Related

Rom with the best battery life

What Rom is getting the best battery life these days
also doesnt matter if its sense or vanilla or stock OTA i just want good battery life
egobuster1 said:
What Rom is getting the best battery life these days
Click to expand...
Click to collapse
from what i can tell, battery life is MOSTLY tied to the kernal. Try an undervolted one, i've found they all work pretty well (hydra and KK)
o alright im using kings #2 BFS kernel undervolted and underclocked
I research before I got my DINC so I never used the factory battery from day 1. I have the same size battery but is 1750 power rating... I think Verizon has a newer one which was before I got mine...
egobuster1 said:
What Rom is getting the best battery life these days
Click to expand...
Click to collapse
Not directly related to the ROM. Check out the Hydra kernels. Also, with regards to battery, you need to do some recalibration so it works better. I got the 1750 battery for the DINC and it was dropping battery very fast no matter which ROM/Kernel combination I used. Finally found a thread that discuss how to get the OS to read the battery levels better. As an example, my battery would run down from 100% to 90% within 10-15 mins! After trying the following, everything works better.
Here's the thread: http://forum.xda-developers.com/showthread.php?t=714471&highlight=battery
Here's a summary of what you need to do:
01. Power off phone and change battery to full level (Green light).
02. Unplug the power and plug it back in. It should take another 15-20 mins to go green again (there's a thread discussing this also -- "bump" charge).
03. Turn on phone and go into recovery mode. Remove the battery stats.
04. Reboot phone and use without recharging until the battery drains completed - i.e. phones shuts off. May want to turn it on once it shuts off.
05. Charge normal and you should see a positive change in the battery life.
Hope that helps.
Yeah but how much do you really gain by doing all that? And how often if at all do you have to do it again. I have the 1750 and it seems to depend allot of what kind of signal and which radios are on.
SoCGHOST said:
Yeah but how much do you really gain by doing all that? And how often if at all do you have to do it again. I have the 1750 and it seems to depend allot of what kind of signal and which radios are on.
Click to expand...
Click to collapse
Of course if you had bad or no signal, the phone will use up more battery. Normally when you don't have any signal and you check the battery status, the phone tells you to put it in Airplane mode to conserve battery.
For me, it's worth doing because my battery does not drain as fast for my usage. Since I did this over the past 2 days, I've had the phone one on a single charge with about 6 hours of Awake Time (gaming, Internet, phone calls, texting, emails, some GPS usage) and UP time is 22 hours. And the battery is down to 20%. Definitely an improvement for myself so just try it if you like and see how it works out. Everyone's usage is different so it's hard to quantify.
parcou said:
I research before I got my DINC so I never used the factory battery from day 1. I have the same size battery but is 1750 power rating... I think Verizon has a newer one which was before I got mine...
Click to expand...
Click to collapse
Those 1750's are no better than the HTC 1500's Check out this website
ToyTank said:
Those 1750's are no better than the HTC 1500's Check out this website
Click to expand...
Click to collapse
Just curious, where does it have info about the 1750s? I have a Seidio Online 1750 so wanted to see the comparison to the stock battery.
Thx.
ecltech said:
Not directly related to the ROM. Check out the Hydra kernels. Also, with regards to battery, you need to do some recalibration so it works better. I got the 1750 battery for the DINC and it was dropping battery very fast no matter which ROM/Kernel combination I used. Finally found a thread that discuss how to get the OS to read the battery levels better. As an example, my battery would run down from 100% to 90% within 10-15 mins! After trying the following, everything works better.
Here's the thread: http://forum.xda-developers.com/showthread.php?t=714471&highlight=battery
Here's a summary of what you need to do:
01. Power off phone and change battery to full level (Green light).
02. Unplug the power and plug it back in. It should take another 15-20 mins to go green again (there's a thread discussing this also -- "bump" charge).
03. Turn on phone and go into recovery mode. Remove the battery stats.
04. Reboot phone and use without recharging until the battery drains completed - i.e. phones shuts off. May want to turn it on once it shuts off.
05. Charge normal and you should see a positive change in the battery life.
Hope that helps.
Click to expand...
Click to collapse
bump charging before wiping stats makes no difference. bump charge is still necessary regardless. until htc acknowledges its a problem and fixes it on their end, bump charging is a part of our lives if you want a fully charged battery. unless you use an external charger of course.
I charge externally and I still bump charge tho I don't need to power the phone on and off. Also the bump time is much shorter
Sent from my ADR6300 using XDA App
Juice Defender, download it from the market.
Sky raider vanilla hands down.
Sent from my ADR6300 using XDA App
Sky raider vanilla hands down
Click to expand...
Click to collapse
++++++++ 1. I'm easily getting full day usage from stock battery.
juice defender i feel like doesnt really help that much and kind of gets annoying
i was wondering if the vanilla roms were getting better battery life then all the sense roms
egobuster1 said:
juice defender i feel like doesnt really help that much and kind of gets annoying
i was wondering if the vanilla roms were getting better battery life then all the sense roms
Click to expand...
Click to collapse
Nah, Virtuous gets really good battery life, especially with the custom kernel built for it.
Does JuiceDefender even function on CDMA phones? I thought it wasn't working
I would also like to know this! What about SetCPU profiles too? I just want the best possible battery life, speed is not very important to me.
So, who has tried out various ROM and Kernel combinations? What have you concluded gets the bets battery life? Thanks!
im in the proccess of downloading and setting up virtous ill report back with different kernel set ups. i just want a rom and kernel set up that will last easily the hole day
Bump charge with or without battery stats wipe doesn't seem to make much difference for me. I plug in at home/car/computer and carry a spare battery. Just wish there was a way to turn off 3g and force 2g with Verizon on CDMA phones. That way I could still have data/internet.

battery life vs. battery voltage

i have some thoughts on battery life that id like to share.
our batterys are a " 3.7v" Li-Io.
a typical 3.7 li-io shuld have the folowing voltages...
4.2-4.25 fully charged
3.7v " nominal " charge
3.2v " sag" (voltage mesured when a nominal battery is hit with full rated discharge amperage)
3.0v discharged
2.5v the protection curcuitry kicks in
what ive been seeing on my vibrant is
4.24v @ 100%
currently im at 9% @ 3.709v
im projecting it to die @ 3.700v ie the " nominal " voltage
we are missing out on over half our battery potential.
i remember back in the G1 days when cyanogen lowered the shutdown voltage. i dont recall the values, but it helped.
now, i dont know if this is handled at a kernel level, or in the rom or what.
ive been doing experiments on my wife's hd2 running android, and seen great battery life even with it only having a 1200mah battery
it see's a full 4.2-3.0 discharge cycle
yes i know its diferent hardware, but the battery technology is the same, but we have a larger battery.
theres alot of talented dev's here, i doubt it'll take to long to find a solution to the early shutdown so we can finaly see full battery life.
Definitely sounds like there will be a viable solution to this. I don't know much of what you are talking about but i fully understand it. Cant wait for a solution.
Sent from my SGH-T959 using XDA App
there is a great app that i know MacnutR12 supports that you can find here
http://forum.xda-developers.com/showpost.php?p=8908951&postcount=178
you can change all the voltage, although i dont know if its how youre saying, you can play around with it and see how it goes.
ludachez said:
there is a great app that i know MacnutR12 supports that you can find here
http://forum.xda-developers.com/showpost.php?p=8908951&postcount=178
you can change all the voltage, although i dont know if its how youre saying, you can play around with it and see how it goes.
Click to expand...
Click to collapse
um, no....
thats for reducing cpu voltage.. ie: undervolting...
im talking about actualy useing the battery's full potential rather than pretending its dead when it realy has 60% left.
t1h5ta3 said:
um, no....
thats for reducing cpu voltage.. ie: undervolting...
im talking about actualy useing the battery's full potential rather than pretending its dead when it realy has 60% left.
Click to expand...
Click to collapse
Ah, ok. like i said it might not be what youre looking for...and i learned something
It is probably done this way to conserve battery life expectancy. I remember reading somewhere that unlike the old nickle based battery, Lithium ions likes to remain stimulated, as it likes to carry active charge and be topped off when ever possible. Oppose to discharging it completely and then recharge the battery. So at 3.7v vs 3.0v, you don't have the battery completely drained so that in long term it doesn't ast at least 2 years like the specification stated (2 years, drops capacity to 80% if battery is well taken care of, ie topped off when ever possible, modest temperature, humidity, etc.)
I am no battery expert just what I though might be the reason.
As stated above, this is done to increase the life of the battery. A LiIon battery can only be power cycled so many times before it looses too much capacity to be used any more. By not fully draining (or fully charging) the battery you are able to get more cycles out of it. Here's more info.
Of course if you figure out how to change the set levels, you will get more time per charge, but you might have to buy a new battery sooner.
I'd be willing to trade increased usage time for battery life span especially seeing as they are so cheap now a days. I'm not a dev or anything but it would seems like the problem is software related not hardware. I've been through 5-6 ROMs all with horrible battery life until installing Macnut R11 and suddenly getting almost double what I was getting before. Changing the battery voltage for better life per charge would be icing on top of the cake though.
right, i understand that for optimum longevity they recomend staying between 40-60%.
we currently are well above that, we are in 100-80% range. 3.7v is the nominal voltage and we are useing that for shutdown voltage. so basicly we are draining the surface charge of the battery as it comes off the charger.
think of it another way: a 12v battery in our car, is it realy dead when it drops to 12v? no.... if i recall, 10.2v is considered dead. and most batterys sit at about 14v just after you turn your car off.. ie: just off the charger...
heat is the primary killer of a li-io battery. more so than discharge cycles. ie: constant heat generated durring charge cycle does more damage than the cycle its self.
so if we are currently only useing the 100-80% range, and we were able to unlock the full 100-0% range, our run time would be greatly extended. the typical user probably charges over night, and durring the day if they think there going to need a top off. thats to charge cycles in 1 day.
lets say @ current useage you get 8 hours use, if we were to unlock the full capacity, we could get an easy 24hours of use, therefor kill the need to have a mid day charge cycle. the overall life span would increse not only due to the number of charge cycles, but also the heat cycles.
this would also make it easyer to stay in the optimum 60-40% range (we cant even drop to 60% right now) providing even better battery life....
i can see if samsung had chosen 3.5 or 3.2v for shutdown, those values would have goten awesome life. once again, it seems that samsung engineers just throw stuff at a wall and run with what ever sticks... hmm... the battery says 3.7v, i guess thats when its suposed to be dead?
Wow this is an interesting thread!
+10000000
Sent from my SGH-T959 using XDA App
I think a dev should take a look at this , this can be a great breakthrough!
Sent from my SGH-T959 using XDA App
On the vibrant, where is battery percentage calculated? Within the Kernel? Or is solely in hardware? What determines @ what voltage the battery should shutdown?
From what i can tell battery level is set in "mBatteryLevel" And that is set in the Status.java file. ( hxxp://android.git.kernel.org/?p=platform/packages/apps/Settings.git;a=blob;f=src/com/android/settings/deviceinfo/Status.java )
But there is other stuff going on that i have no idea about...
I'd really like something to come of this. Like you guys, I'm sick of not getting a full day out of my battery. Bumping for great success!
Sent from my Samsung Vibrant using the XDA app.
Hmmm... my phone seems to die at 3.2v. Not sure why yours is shutting off prematurely. Wipe batt stats?
Sent from my SGH-T959 using XDA App
.......i can already hear the *****ing and the menstral cramps from the noobs.. They want 1.6 GHz kernels just to have bragging rights against G2 owners w/ 439565653 hour battery life too. Also the vibrant SAMOLED display brilliance isnt pretty for free, that sucks up most of the batter right there dont believe me, check ur batter stats ureself. u c HTC, Moto dont have a screen like this right now in the point of time for a reason. cant have both, It dont work that way...Just like You cant have a 1700 HP V24 engine and want 55 MPG out of it too...if this is u then thats pure ignorance. Myself personally thinks its basically software headaches from samsung that cause diff problems (bloatware running in background). All the hardware is doing is what its told by the software. If the software says run random apps in background, it does it but at the expense of battery life.
Kubernetes said:
Hmmm... my phone seems to die at 3.2v. Not sure why yours is shutting off prematurely. Wipe batt stats?
Sent from my SGH-T959 using XDA App
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Click to collapse
what rom/kernel are you running? ive seen 4.2-3.7 on every combo ive used, battery wiped etc. i have evn pulled the battery and done a deep discharge to 3.0v
boimarc89 said:
.......i can already hear the *****ing and the menstral cramps from the noobs.. They want 1.6 GHz kernels just to have bragging rights against G2 owners w/ 439565653 hour battery life too. Also the vibrant SAMOLED display brilliance isnt pretty for free, that sucks up most of the batter right there dont believe me, check ur batter stats ureself. u c HTC, Moto dont have a screen like this right now in the point of time for a reason. cant have both, It dont work that way...Just like You cant have a 1700 HP V24 engine and want 55 MPG out of it too...if this is u then thats pure ignorance. Myself personally thinks its basically software headaches from samsung that cause diff problems (bloatware running in background). All the hardware is doing is what its told by the software. If the software says run random apps in background, it does it but at the expense of battery life.
Click to expand...
Click to collapse
wow, thank you... ? do you blow every thing out of perportion? nice rant tho....
personaly, i usualy get 12-16 hours with moderate use. so i wouldnt say that i get " poor battery life , esp with the early cut off voltage.
I'm running Onyx 3.1 with the Voodoo kernel. Currently at 54% at 3.779v
My problem is with the standby drain-- I'm consistently losing 3% per hour even when sleeping. For some reason this ROM spends a lot of time doing VM swaps. Tried lowering minfree thresholds in OLCF, but system is still way too active.
Sent from my SGH-T959 using XDA App
boimarc89 said:
.......i can already hear the *****ing and the menstral cramps from the noobs.. They want 1.6 GHz kernels just to have bragging rights against G2 owners w/ 439565653 hour battery life too. Also the vibrant SAMOLED display brilliance isnt pretty for free, that sucks up most of the batter right there dont believe me, check ur batter stats ureself. u c HTC, Moto dont have a screen like this right now in the point of time for a reason. cant have both, It dont work that way...Just like You cant have a 1700 HP V24 engine and want 55 MPG out of it too...if this is u then thats pure ignorance. Myself personally thinks its basically software headaches from samsung that cause diff problems (bloatware running in background). All the hardware is doing is what its told by the software. If the software says run random apps in background, it does it but at the expense of battery life.
Click to expand...
Click to collapse
Actually, I rather like my 1ghz. I underclock to 600/800 to try to conserve battery where possible and my phone runs just as smooth as it does at 1ghz.
Sure a little OC doesn't hurt, but really what's the point right now? There are no "practical" apps out now that demand more than 500mhz, and you can still do more than enough multi-tasking.
So instead of sounding like a pretenteous asshole, either contribute to the topic or shut the hell up.
Now then, I wanted to ask about the possibility of an extended battery for the Galaxy. Something with more amperage perhaps?
Sent from my Samsung Vibrant using the XDA app.
Kubernetes said:
I'm running Onyx 3.1 with the Voodoo kernel. Currently at 54% at 3.779v
My problem is with the standby drain-- I'm consistently losing 3% per hour even when sleeping. For some reason this ROM spends a lot of time doing VM swaps. Tried lowering minfree thresholds in OLCF, but system is still way too active.
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
corect me if im wrong, but you shuldnt run one click with vodoo ...

[Q] Is there a way to override the battery capacity ?

I've recently tried a cheap high capacity battery, over twice the capacity of the original one (but, of course, twice as fat and heavy). While the battery charges to it's 4.2V and discharges down to about 3.5V properly (tested manually, with the multimeter), the phone keeps reporting the battery as 1230mAh, tracking it accordingly. This causes the phone to go from 100% down to 15% at about the speed it would with the original battery and then remain at 15% for a full day. Similarly, charging the battery makes it go to 100% twice as fast as it should, yet the battery keeps charging after it reaches those virtual 100%, up to the proper 4.2V, with the proper current (NOT trickle charging).
I've already tried the obvious (fully charge, delete the stats file, fully use the charge, then full recharge again), it didn't really help, it only distributed the estimation a tiny little bit.
Any solutions ? Is there a proper way to manually override the battery capacity either with or without recalibration ?
27 views and not a single freaking answer ? How familiar
bump.
InfX said:
27 views and not a single freaking answer ? How familiar
bump.
Click to expand...
Click to collapse
Maybee battery curent widget... inside you have settings/monitoring/battery capacity...
But with that attitude I'm almoust sorry to help you
I am familiar with that widget, overriding the capacity setting there only changes the displayed capacity in the app, it doesn't affect the estimations at all. Sorry, i should have mentioned trying this.
PS: What attitude ? Bumping a thread that got buried on a third page after just 2 days, without a single answer, while most other threads that bury it could be answered using a search button ?! I can assure you, i may do it once again after a week+ or something and then i'll just forget about it, you can check my others threads And yea, they usually remain either unanswered, or self-answered after all (rare, but if it happens, i post my findings in the thread)
PPS: If you consider it such a "bad attitude" just don't bother helping. Thanks.
Battery reading is indeed not 100% perfect. But what ever change we would make. It is not gonna give you extra battery life. Until some one fix it there is no way to read it 100% correct. So that is the whole story.
jan-willem3 said:
Battery reading is indeed not 100% perfect. But what ever change we would make. It is not gonna give you extra battery life. Until some one fix it there is no way to read it 100% correct. So that is the whole story.
Click to expand...
Click to collapse
Well, i don't bet on it to be 100% correct, but it should be something relatively close to the reality, while in case of this particular battery it's nowhere near that.
It assumes 1230mAh, calibrated or not, and i am 100% sure it takes this value from somewhere. In any case, it should be possible to patch, the question is where/how. Since i am not exactly an Android/Linux guru, the only things i did to find it out are searching this forum and doing simple google searches, finding nothing beyond the usual calibration thing. I though maybe someone may know something, that's why i posted the thread. I guess i was wrong about it.
PS: I guess i'll either abandon this, or start my own research, beginning at the source code of the ROM/kernel i use
InfX said:
I've recently tried a cheap high capacity battery, over twice the capacity of the original one (but, of course, twice as fat and heavy). While the battery charges to it's 4.2V and discharges down to about 3.5V properly (tested manually, with the multimeter), the phone keeps reporting the battery as 1230mAh, tracking it accordingly. This causes the phone to go from 100% down to 15% at about the speed it would with the original battery and then remain at 15% for a full day. Similarly, charging the battery makes it go to 100% twice as fast as it should, yet the battery keeps charging after it reaches those virtual 100%, up to the proper 4.2V, with the proper current (NOT trickle charging).
I've already tried the obvious (fully charge, delete the stats file, fully use the charge, then full recharge again), it didn't really help, it only distributed the estimation a tiny little bit.
Any solutions ? Is there a proper way to manually override the battery capacity either with or without recalibration ?
Click to expand...
Click to collapse
i think you just need a rom/kernel that support extended batteries.
Sent from my HTC HD2 using XDA Premium App
j4n87 said:
i think you just need a rom/kernel that support extended batteries.
Sent from my HTC HD2 using XDA Premium App
Click to expand...
Click to collapse
Tytung R10 does. All those kernels only support "official HTC extended battery" though, and i have yet to find out what does it really mean (read - what's the technical difference between the official and unofficial one). Note that the battery is charged/discharged properly, its just the stats/percentage remaining that go haywire.
mhh, just made some researches...
Stumbled over these threads:
Crazy, that there is a different behaviour if you have an orig. HTC or not...
http://forum.xda-developers.com/showthread.php?t=756513
http://forum.xda-developers.com/showthread.php?t=948181
Also read somewhere, that you really need to charge your phone to fully 100%, so that current widget shows 0ma...and then let the phone a few more hours at the charger, (DONT remove your charger) then manually delete the batterstats file in /data/system, turn off the device, REMOVE the charger, then boot the device.
Good luck
For those really interested to know what the technical difference between those bats... its the thermistor values range. Thats it.
The different batteries are identified by that thermistor value, all the batteries parameters are in the "ds2746_param_config.h", the table i am interested in modifying is the FL_25, one that defines the full battery capacity.
Sadly, this, most probably, requires a kernel recompilation, something i can't do, not without setting up all the required environment first Or, maybe it's possible to just patch the kernel image with hexeditor, i'll probably take a look.
PS: Thanks for everyone for trying to help.
EDIT: patching zImage would be harder than just recompiling it
not saying this is the right answer or that you haven't already tried but it didn't half help me out as i was only getting 8 hours before i used it, and i only got around 15 hours when i used to use wm, also left a print screen of what i get after i use the features in THIS page...
Sent from my HTC HD2 using XDA Premium App

ROMs that support extended battery?

Guys i need you help!
A few days ago i stumbled to a cheap extended battery for HD2 and i bought it.
Unfortunately i just found out that most Android NAND ROMs dont support it....
Can you please point me to a ROM build that does support it?
Its a non-HTC 2600mA battery....
Currently im using CoreDroid 1.6 and its draining my extended battery just like a normal one.....
Thanks!
extended battery support is kernel related, not rom related.
every rom which is using the current tytung or rafpigna kernel supports extended battery, so my guess: nearly every rom out there
renna1992 said:
extended battery support is kernel related, not rom related.
every rom which is using the current tytung or rafpigna kernel supports extended battery, so my guess: nearly every rom out there
Click to expand...
Click to collapse
Well...CoreDroid 1.6 uses rafpigna 1.9OC kernel.....
Why is it draining my battery so fast?
I charged it to 100% at 16:00,now is 23:30 and its already at 65%.....
neurokrem said:
Well...CoreDroid 1.6 uses rafpigna 1.9OC kernel.....
Why is it draining my battery so fast?
I charged it to 100% at 16:00,now is 23:30 and its already at 65%.....
Click to expand...
Click to collapse
how much have you used your phone? if there were a few calls, a lot of music/games/whatsapp/whatever its perfectly normal.
renna1992 said:
how much have you used your phone? if there were a few calls, a lot of music/games/whatsapp/whatever its perfectly normal.
Click to expand...
Click to collapse
Not much.
I used like i use it normaly.
A few cals during the day,couple of texts and a few minutes of internet...
My standard battery usualy lasts 24-36hours.
I thought extended battery would give me 2-2.5x longer battery life....
I read somewhere that when battery level reacher zero extended battery users should restart the phone and it will go back to 60%....
I wonder if Android can even charge extended battery to 100%?
If the battery you bought is a non HTC battery then it may not be what it is advertised to be, ie not the ma that it is supposed to be, you hear many stories of cheap or 'fake' extended batteries
Sent from my HTC Sensation Z710e using XDA App
Get "Battery Monitor Widget Pro" and that tells you what mAH your battery is and that way as its non-htc you will know if its genuine, i bought a non htc battery apparently 1600 mAH when i first got phone but had no idea back then and only until i got "Battery Monitor Widget Pro" it told me it was 1230mAH which is the original battery so i just use one as a spare now and take 2 out with me, so i can drain it as much as i want, as i know ill never be without
Ok,here's what i did.I let the phone discharge to 50% thatn i powered it off and took the battery out for 10 seconds.
After rebooting the phone battery level was 78%
Im guessing that rafpigna kernel can read extended batteries just not entirely correct.
I'll wait until phone discharges completely and will take out and reboot again.
I tried Battery monitor widget and it reports 1230ma....
When i finish testing i will report back.

Swapping battery

Hi.
I recently purchased a new battery since the old one is kind of broken.
However it didn't really increase battery life at all. In fact it now shuts down at 35%.
How do I make sure it actually makes use of the whole new battery?
kaboem said:
Hi.
I recently purchased a new battery since the old one is kind of broken.
However it didn't really increase battery life at all. In fact it now shuts down at 35%.
How do I make sure it actually makes use of the whole new battery?
Click to expand...
Click to collapse
bump
bump
Is the battery from Samsung?
Sent from my Nexus 7 using Tapatalk 2
fodustin have
Yes it is.
You must calibrate the battery.
To do it you must be rooted.
Advanced method;
Use a root explorer and go to /data/system. Delete "batterystats.bin" file . Then drain all the battery and charge it while phone is off and unplug the cable whem it says full.. Thats all.
Also there is much easier way to do it if you want. Download battery calibrater app from google play and use it! BUT in any of these methods,you must be rooted.
After doing this it must be normal.Also flashing stock rom and non rooted musn't be problem
Cheers
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dreamer94 said:
You must calibrate the battery.
To do it you must be rooted.
Advanced method;
Use a root explorer and go to /data/system. Delete "batterystats.bin" file . Then drain all the battery and charge it while phone is off and unplug the cable whem it says full.. Thats all.
Also there is much easier way to do it if you want. Download battery calibrater app from google play and use it! BUT in any of these methods,you must be rooted.
After doing this it must be normal.Also flashing stock rom and non rooted musn't be problem
Cheers
GT-I9000 cihazımdan Tapatalk 2 ile gönderildi
Click to expand...
Click to collapse
This is not true.
http://www.xda-developers.com/andro...-battery-stats-does-not-improve-battery-life/
This misconception must stop being spread.
Though you're right about the charging bit, op should discharge until it's completely dead, then fully charge it and let it run out, repeat the process.
Sent from horseback.
adytum said:
This is not true.
http://www.xda-developers.com/andro...-battery-stats-does-not-improve-battery-life/
This misconception must stop being spread.
Though you're right about the charging bit, op should discharge until it's completely dead, then fully charge it and let it run out, repeat the process.
Sent from horseback.
Click to expand...
Click to collapse
adytum is right. The phone doesn't need to be rooted. Rooted you can destroy the phones battery statistic file at once but you don't need to. Android permanently learns about your battery (high / low voltage) when charging and discharging.
Have some patience, give your new battery some full charges / discharges and everything should be OK.
I'm going to start working on this then.
Thanks alot !
I was already afraid my whole SGS was broken.
edit: But doesn't draining the battery completely lower its lifetime?
kaboem said:
I'm going to start working on this then.
edit: But doesn't draining the battery completely lower its lifetime?
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Click to collapse
Difficult question - doing big researches will lead to different answers.
The only thing for sure is that completely drained or somehow even completely full batteries will age faster because of electrochemical reactions. Completely drained is worst case, of course.
A common recommendation of the industrie is to store an unused battery charged at about 60-70% and then put it away in some cold storage. That is because even LiIo-batteries suffer self-discharge of about 5-10% per month so it could avoid both stressfull states (0% / 100%) for a long time.
Your phone will never physically drain the battery completely, but will shut down itself before damage is done (don't know if this limit/border could be tweaked, but with StockROMs you should be save). Although it might say 0% there is still some energy left. So it wouldn't hurt to "drain your battery completely" down to 0% a few time if you don't forget to charge it afterwards.
As Android stores the min and max voltage of your battery your really should do complete cycles if you want Android to get your battery statistics right. You even have to do this if you killed Androids battery file on a rooted phone.
Much more damage will be done by keeping the battery at high temperatures, e.g. playing heavy games
I've been doing what has been suggested, however my phone keeps turning off between 30-40%.
Is there any way to solve this?
I'm running Cyanogen ; 10-20121025-nightly-galaxysmtd
kaboem said:
Hi.
I recently purchased a new battery since the old one is kind of broken.
However it didn't really increase battery life at all. In fact it now shuts down at 35%.
How do I make sure it actually makes use of the whole new battery?
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Click to collapse
well u have purchased a junk battery (its rare but sometimes happens, give it back and get ur money back)
i myself use a powercell 1800mAh battery and it pretty much doubled my phones battery life (u could try it)
kaboem said:
I've been doing what has been suggested, however my phone keeps turning off between 30-40%.
Is there any way to solve this?
I'm running Cyanogen ; 10-20121025-nightly-galaxysmtd
Click to expand...
Click to collapse
If you already have a rooted phone and no patience (no experience myself on this matter with ICS or JB), then you could use app "BatteryCalibration" to remove batterystats.bin file as was said in one of the initial postings.
if u use cm10 you can also enter cwm and whipe battery stats, i think under advanced
adytum said:
This is not true.
http://www.xda-developers.com/andro...-battery-stats-does-not-improve-battery-life/
This misconception must stop being spread.
Though you're right about the charging bit, op should discharge until it's completely dead, then fully charge it and let it run out, repeat the process.
Sent from horseback.
Click to expand...
Click to collapse
Seriously guys...
Sent from horseback.

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