So I took out my sd card this morning and realized I had been using my replacement battery not the original one that came with the phone. (They are both the same official samsung battery, I just marked them so I know which is which) Later on this evening my phone was at about 45% and I decided to switch batteries because I had opened it back up to reinsert my sd card. I start the phone back up and my 2nd battery, which I always keep at 100% as a backup, was showing only 81%...
I thought this was odd since I put it on the charger for about a half hour every few days to make sure it's fully charged before I start the day just in case I need it. Anyway, I forgot about that quickly and set my phone down on my desk. About 5 minutes later I get a text message, unlock the phone, and low and behold the battery says 83% (and no it was not plugged in all day and had not been charging!) Has anybody ever seen a phone "charge" while it's not plugged in before? It went up to 93% and then finally started to die. Slowly increasing every ~10 minutes give or take. I even have the screenshots to prove it was "charging" while not plugged in.
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The only time I've seen a battery increase it's charge is when the temperature of the battery changes rapidly.
And perhaps if a cell bridges over ..
But that's usually reserved for lead acid type batteries....not lithium ion cells..
You have taught me today ....as this is a first for me ....
And I wouldn't be surprised if the battery is starting to fail ...so watch it to prevent any possible device damage.....g
Um. No. What you're seeing here is recalibration as the phone adapts to the other battery.
So you changed batteries while plugged in ??
Ah yeh, that explains the battery charge increase, as the new battery takes over, and the cycle record was not reset because the phone still has power...
battery is fine......my bad....g
I've had that happen before, and I only use OEM batteries with my phones. Like somebody else said its just a software hiccup where it's recalibrating. I've had times where I've pulled a battery to flash something at like 50 percent battery, when I boot back up I have like 10 percent showing, and it will slowly increase back up to like 40 percent. Its happened a few times and there's nothing to worry about.
Sent from my Galaxy Nexus using Tapatalk 2
No the phone was not plugged in. And I've switched batteries before without this happening. I know its not a problem I've just never ever watched a phone "charge" itself
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Sounds like a battery stats "hiccup" to me, when you rebooted after swapping the batteries it thought that the battery was the same, so it just kept polling like normal and reporting the "new" status. But i think that when a battery is inserted like that, I don't think that it can instantly report what the exact new voltage/Mah so it pretend charges like what you reported. AT least that's the most logical thing i can think of. My extended battery would "charge" like that sometimes if I battery pulled for some reason...
redneck.nerd said:
Sounds like a battery stats "hiccup" to me, when you rebooted after swapping the batteries it thought that the battery was the same, so it just kept polling like normal and reporting the "new" status. But i think that when a battery is inserted like that, I don't think that it can instantly report what the exact new voltage/Mah so it pretend charges like what you reported. AT least that's the most logical thing i can think of. My extended battery would "charge" like that sometimes if I battery pulled for some reason...
Click to expand...
Click to collapse
XDA is no longer worth my time.
Related
So, I'm not sure if anyone has this problem. I pull my phone off the charger in the morning when I wake up, and it's immediately at 96%. Is this a defect with my phone, or is it something I can fix?
Thanks
It's normal. It's actually better on the battery this way. There were some debates about the EVO and kernels that performed SBC charging.
This has been covered in another thread but here it is again...
HTC has used a new charging method on the e3d so it will charge to 100% then stop charging until it hits 95% at which point it will start charging again.
Sent from my EVO 3D using XDA app
connerrs said:
This has been covered in another thread but here it is again...
HTC has used a new charging method on the e3d so it will charge to 100% then stop charging until it hits 95% at which point it will start charging again.
Sent from my EVO 3D using XDA app
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Click to collapse
Please link me to this thread, cause I didn't find it when I looked before my post.
eXplicit815 said:
Please link me to this thread, cause I didn't find it when I looked before my post.
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Click to collapse
http://forum.xda-developers.com/showthread.php?t=1143929
i use the battery monitoring widget.. it has a log that shows you the actual % of the battery while charging.. sometimes the phone will be displaying 100% while charging but in the logs you can see the battery is decreasing and not at 100%.
which is why when you pull it off the battery drops right away.
I'm glad I decided to search first, otherwise I would have the whole XDA community after me wanting to kill me.
Anyways, I have one of those notification icons that show me the battery percentage, but it NEVER reaches 100%. I am constantly checking it to see if I have reached 100% and nothing. Even when I leave it plugged it all night, it only gets to 99%.
I have also tried *#*#4636#*#* and it also shows 99%. Is this normal?
Your battery will technically never be at 100%. As even the most minute drain places it at 99%. Doubtful that HTC is that precise, I understand your frustration
Ok, but my evo 4g WOULD show 100%. That's why I was confused/worried when my 3D showed only 99% max.
This is a frustrating quirk with these phones. I also use battery monitor widget (love it BTW) and its pretty clear how the phone acts around a full charge. See below, graph of battery percentage overnight sitting on the charger.
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If i happen to pull the phone off the charger when it is actually full (or as close to as it will get) then it seems like the battery really lasts much longer throughout the remainder of the day. If i pull it at say a 95% mark then it seems to be down to 80-85% by the time im out the door in the morning after a few emails / dickin around. If i pull it when its full then i only seem to lose a few percent, maybe up to as much as 5% by the time im out the door....
SBC kernel fix / help remedy any of these behaviors?
"Li-ion cannot absorb overcharge, and when fully charged the charge current must be cut off. A continuous trickle charge would cause plating of metallic lithium, and this could compromise safety. To minimize stress, keep the lithium-ion battery at the 4.20V/cell peak voltage as short a time as possible."
Don't panic, it's all as it should be. Don't try to outsmart your smartphone.
Recently they found that charging to a little less than 4.2V you get more charge/discharge cycles out of your battery.
BatteryUniversity
So I got one of those CHEAP 3500 eBay batteries from China with the bulky back cover w/o the camera lens hole plastic. You've probably seen them, they are under $10 shipped...
I'm not sure if:
A) I have a dud battery
B) Falsely labeled 3500 battery
C) My less than ideal/proper battery training did any good
D) Battery is not properly "talking" to phone - ie temp/mV/Percent
E) BatteryCalibration App is confusing the eris/ROMs
My issues with the replacement battery include:
1 - Battery life is barely any better. It feels more like a 1750 or smaller replacement. Even though the battery is THICKER than stock
2 - Max charge I can get with BatteryCalibration app for 100% is around 4200mv. 0% is around 3400mv (I don't remember the exact number). REALLY? A dead battery equals around 3400mV?
Note: I had 9% battery life today and had only about 300 less mV than my wifes phone with a stock battery. Here phone had like 88%. (Sorry I didn't jot down the exact numbers).
Note2: Currently:
Wife Phone: 57% 3809mV (Note to self - check when 100%).
My Phone: 78% 3951mV
Wife Phone: 2.1 XtraSense 5.0.1
My Phone: 2.3.7 Condemned CM7 V19 Vanilla
My Phone was replaced by Verizon a few months ago and her's is still from when when bought them new.
Any thoughts on what I need to do different (other than get some more concrete numbers to paste)?? Is my battery a Dud or falsely labeled? Other?
Try this:
- fully charge the phone, so that you get a green LED. (Not absolutely necessary, but I think will be better than doing the rest while not fully charged.)
- still plugged in, restart the phone in Recovery.
- Wipe menu, wipe battery stats
- Restart phone and unplug.
See if that gives you better battery life.
(By the way, FYI, it's xtrSENSE, not xtraSENSE. Common error.)
doogald said:
Try this:
- fully charge the phone, so that you get a green LED. (Not absolutely necessary, but I think will be better than doing the rest while not fully charged.)
- still plugged in, restart the phone in Recovery.
- Wipe menu, wipe battery stats
- Restart phone and unplug.
See if that gives you better battery life.
(By the way, FYI, it's xtrSENSE, not xtraSENSE. Common error.)
Click to expand...
Click to collapse
I thought that is what the app does... but I'll give it a try when charged.
Another thing to try is once your phone is charged. Before going into recovery, power the phone off. You'll probably notice the led go orange. Leave it plugged in until it turns green. I've even unplugged it and plugged it back in a couple of times until green every time before booting into recovery and wiping stats. Just another option to try. I've actually seen mine change to green while powered on and indicate a full charge then go to orange when I turn it off and go another 20 minutes or so before it turns green to indicate a full charge.
I'm trying doogald and CondemnedSoul's suggestions.
ATM I'm still on my 1st draining since this morning.
The problem/concern I have is the phone seems to thing the battery is still a stock 1300 battery. (Even the Battery Monitor Widget app lists the battery as 1300).
Additionally, the battery temp never varies more than 0.2 degrees per phone apps.
I'm wondering if the CHEAP battery is not properly communicating with the phone. If not, is there anything I can do other than buying the seido battery instead?
Here's an app screenshot.
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Sent from my Eris using XDA App
I flashed an aosp ROM which was very unstable and so went back to the Sensation ROM I was using prior to the aosp ROM and all has been well since apart from a sudden drop in battery roughly 3 hours after flashing. I've attached a screen cap. of the battery usage screen shortly after it occurred, should it help anyone identify the problem.
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Thanks.
I had the same problem just yesterday, it's due to the fact that when you're flashing your ROMS your battery got miscalibrated. It's a simple thing to fix just follow the instructions from this app on the Play Store (New Market for those of you without the update).
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
Did you reboot the phone in this 3 hours? Coz I see this big step, which is happening when you reboot in recovery or flash something. You need to charge you phone and calibrate you battery
078gregory said:
Did you reboot the phone in this 3 hours? Coz I see this big step, which is happening when you reboot in recovery or flash something. You need to charge you phone and calibrate you battery
Click to expand...
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I rebooted after I'd configure the launcher as it was before I tried the aosp rom, but didn't enter recovery or flash anything.
I'll configure the battery and hope it doesn't happen, just wondering if anyone has an idea what caused it?
The exact thing happened to me. When you flashed your phone at a certain battery percentage (lets say 50%) Your new ROM assumes that 50% is the maximum capacity. Therefore, when you rebooted your phone it simply corrected the misreading. Calibrating your battery from the app I provided in my earlier post will delete the batter stats file in your phone and create a new one. Remember to use it when your battery is at 100%, then take your battery down to 0% and charge it back up to 100. I'm currently doing that process now after my phone jumped from 50% down to 20% after I rebooted yesterday.
Andrewawright said:
I rebooted after I'd configure the launcher as it was before I tried the aosp rom, but didn't enter recovery or flash anything.
I'll configure the battery and hope it doesn't happen, just wondering if anyone has an idea what caused it?
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Click to collapse
It`s happening some times, you are not first and not last. Just calibrate you battery and will be fine. Good luck
Ok so I've downloaded the battery calibration app and currently charging my device however the app is displaying the same battery level as my phone.
Does this render the battery calibration a waste of time or is it to be expected?
Sent from my GT-I9100 using XDA
i thought a manual battery calibration on a i9100 is a waste of time . They didnt calculate it like HTC does. Somebody explained me that this mobile got another System for that but i just forgot what for...
Mine always does this when flashing and shows the sudden drop in battery. Once you charge it back up it should be fine again I'm sure. It always is for me
Sent from my GT-I9100 using XDA
Yep. You are 100% correct
Calibration apps do absolutely nothing except make you a few bucks poorer if you pay for them :-|
The best thing you can do is charge to 100%, pull the battery for a minute, and put it back in.
Also Ex Tweaks is capable of resetting the fuel gauge chip in genuine Samsung batteries should you be experiencing fuel alerted wakelocks on CM9 or similar.
Traace said:
i thought a manual battery calibration on a i9100 is a waste of time . They didnt calculate it like HTC does. Somebody explained me that this mobile got another System for that but i just forgot what for...
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Click to collapse
Hi guys,
I badly need some helping hand on my device. Here is the scenario.
Im currently on Omega LS8 version with its default PHilz kernel when a weird thing happened on my SGS2.
After installing muzy (instagram like software) the phone begins to lose its power with 50% charge left. LCD flickers and suddenly blackout. I thought it was just deadbatt so I recharged back again my phone. After gaining 80% I turned on the phone and keeps on bootlooping. What I did is restore my backup. To my surprise it also keeps on bootlooping. What I did is change and clean the kernel and do fresh installation. It did boot and I think its ok now. I clean kernel again and change to Siyah 6.5. I tried restoring my backup it did restored, but after sometime the LCD flicker again and blackout again even on 90% charge, so I charged it again to 100%. After booting up it looks fine but when I restarted the phone on 90% charge when it rebooted it suddenly drops to 1% batt charge. I charged it again to 100% now with the phone on. After reaching 100% I observed the phone and use it normally, after using it for some hours, playing, viewing surfing. The battery drops at the normal rate without that sudden blackout. I cant seem to figure out what is going on.
My assumption is that maybe my battery is already damage that cause the sudden blackout, but if it does why during my observation it doesnt blackout and drops normally as before. What am I missing here is there someone who experienced the same? I doubt its ROM or Kernel related.???
Thanks in advance
Post your battery details, maybe fuel gauge went crazy.
Start thinking about getting a new battery tho.
Sent from the little guy
Here is the screenshot. See the cut in the right side that is the sudden blackout. Would that be already a sign o damage battery?
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Thanks in Advance
Heres another screenshot after a sudden blackout again.
Did you try to recalibrate your battery? Charge it to 100%, unplug, pull your battery, put it in again and charge it to 100% again.
You probably did this already, but you didn't mention it. If that doesn't help, then my guess is that you need a new battery.
Ya sorry I forgot to mention that but I did recalibrate it so many times. Then I guess this is faulty battery. Any same issue are welcome. Thanks
hay
please install bbs and upload the log
Logcat might be handy as well.
Ok attached is the logcat guys. Hope someone can interpret it
deedii said:
I did recalibrate it so many times. Then I guess this is faulty battery.
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Probably so. Try to use a different battery for a full day and see if this issue stops. Make sure that your battery is authentic Samsung made, and that it isn't swollen or damaged.
Sent from my digital submersible hovercraft.
It looks to me like your battery needs proper calibration, or maybe the battery stats file was not wipe off, and try using another battery as it may be the battery itself giving problems~
Anyone else seeing issues with really inaccurate battery readings? I'll be at 99% charged for 15+ hours sometimes, and then things will drop rapidly or even just die at 20%. I've also noticed when charging that it'll get to 99% within an hour or so and then spend 30-45 mins at 99%.
On top of this, my phone battery just died at around 55%. Are others just draining their battery all the way to try to calibrate?
wsoldier said:
Anyone else seeing issues with really inaccurate battery readings? I'll be at 99% charged for 15+ hours sometimes, and then things will drop rapidly or even just die at 20%. I've also noticed when charging that it'll get to 99% within an hour or so and then spend 30-45 mins at 99%.
Click to expand...
Click to collapse
wsoldier said:
On top of this, my phone battery just died at around 55%. Are others just draining their battery all the way to try to calibrate?
Click to expand...
Click to collapse
I always calibrated battery by draining it all the way and charging it all the way atleast first 3 times.
Sent from my HTC 'One' DNA
What rom and Kernel are you on. Also what mods if any such as battery indicators and such have you put on your phone?
@dragonstalker: I'm running stock with the latest OTA update. I'm using Batterybot to display the indicator in the notification bar, but the reading is the same from the stock battery display.
@amit_sen: I've had the phone for a few months.
amit_sen said:
I always calibrated battery by draining it all the way and charging it all the way atleast first 3 times.
Sent from my HTC 'One' DNA
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Click to collapse
Doesnt do anything for Li batteries its fud.
For the last 2 days, my battery has drained overnight and is dead by the morning. The first time, I didn't think of it. This time, I looked at the history and it drains within maybe 6 hours without the screen on, being awake, or anything. I turn off all of my radios besides cellular at night. So I have no clue what could be causing the battery drain. Any ideas? Here is a pic of the history
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scariestgnome said:
For the last 2 days, my battery has drained overnight and is dead by the morning. The first time, I didn't think of it. This time, I looked at the history and it drains within maybe 6 hours without the screen on, being awake, or anything. I turn off all of my radios besides cellular at night. So I have no clue what could be causing the battery drain. Any ideas? Here is a pic of the history
View attachment 1867757
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Click to collapse
Install gsam or bbs and see what they say us causing it.
Sent from my HTC6435LVW using xda app-developers app
Is anyone using battery calibration apps? I know some of the custom ROMs like Hatka Supreme list that they include some sort of function in those regards.
I thought even on stock there was a way to erase battery stats so that you could recalibrate. No? Could of sworn I had seen the option when I first got the phone. Could be wrong too...
Bigandrewgold said:
Install gsam or bbs and see what they say us causing it.
Sent from my HTC6435LVW using xda app-developers app
Click to expand...
Click to collapse
I downloaded Gsam and it says that my radio is taking up most of my battery. Any idea why this is happening because its never done this before? I used to get at least 2 days of battery usage. I charged it until it was full yesterday, let it sit overnight, and this morning it was @ 20%. I'm on newts M7 and z's B5.4. I've been on this combination for the majority of the time I've had my phone an no problems until now. And I don't think its the kernel because the same thing happens when I had it on 5.1. I noticed I was on global mode and I changed it to LTE/CDMA. Who the hell knows, that might be what's causing it. We'll see. Any help is appreciated.