Very bad battery life if phone is not charged to 100% - AT&T Samsung Galaxy S6 Edge

For the past few days I've not been able to charge my phone completely to 100% and noticed that the already bad battery life has gone worse. Could someone with good knowledge about batteries or about this issue explain what's going on and how it could be fixed?
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Battery

I some up this morning and saw my battery was at 88%, it has bin on charge all night how can I fox this so it charges to 100%?
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"some up"? Ok... go to CWM->Advanced->Wipe Battery Stats ... if doesn't work, do a full wipe or reflash ROM, you are using...
Woke* auto correct lol, and o do this after every ROM flash and this wouldn't affect that anyway, its not done it before, only to 98% or something but I read that it does this it will reach 100% the stop charging to preserve the battery, but dropping to 88% is a bit extreme I think I'm losing like an hour of battery life
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calum96 said:
Woke* auto correct lol, and o do this after every ROM flash and this wouldn't affect that anyway, its not done it before, only to 98% or something but I read that it does this it will reach 100% the stop charging to preserve the battery, but dropping to 88% is a bit extreme I think I'm losing like an hour of battery life
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This is a calibration problem caused exactly by you wiping your battery stats, you need to leave them alone and after each flash do a full empty to full charge cycle so the stats can provide proper calibration statistics, I have never wiped battery stats in 2 years of owning my phone
I always do this after a wipe, wait till fully charged>wipe stats>discharge fully>recharge fully
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Ok, I know the point you are making but I personally think it does more harm than good.... Does it drop straight down the moment you remove the charger?
I don't know if it might be a battery problem, or if the CM9 Nightly build I'm currently on holds a charge really well, but sometimes I charge my phone up to 100%, then after about 30 minutes of continuous, non-stop usage, the battery is still at 99%.
Is this odd behaviour or is it normal?
slaphead20 said:
Ok, I know the point you are making but I personally think it does more harm than good.... Does it drop straight down the moment you remove the charger?
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No it only charges to 88% unless I remove charger then plug it back in again then it will charge to 100%, I think its because the phone charges to 100% then drains then charges, but I think its failing to start charging once it drops to a certain limit (say 10%) so normally it would charge to 100% drop to 90% then charge to 100% so it doesn't damage the battery, but as I said I think its failing to start charging again so it just keeps falling... I need a fix for this? And yes it is a cm9 base
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Try battery calibration from the play store
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amerkiller1995 said:
Try battery calibration from the play store
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http://forum.xda-developers.com/showthread.php?p=28544220
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slaphead20 said:
This is a calibration problem caused exactly by you wiping your battery stats, you need to leave them alone and after each flash do a full empty to full charge cycle so the stats can provide proper calibration statistics, I have never wiped battery stats in 2 years of owning my phone
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I've always been wondering: is it possible to "damage" the battery or lose some of it's juice by doing wipe battery stats to many times?
solved
calum96 said:
http://forum.xda-developers.com/showthread.php?p=28544220
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ooooh thanks that worked for me:laugh:
battery quick use up
my battery up to 1850 map... y the battery still quick use up while i ady is ICS...

[Q] S3 LTE overheating and battery draining after ROM upgrade

I upgraded my rom to the rXTREME.v7.1.XXBMB4 last night, I had my phone on charge and was 100% at 8am this morning, the phone is very hot on the back and the battery is already at 40%, not sure whether this has anything to do with the Rom but this is all that has changed since yesterday. Any help would be appreciated
Check to see what is draining your battery and work from there...
Its showing android system using 31% and ebay seems to be using 28%, not sure what they are supposed to be but wasnt having any of these issues before upgrade of Rom.
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Remove the eBay app and monitor it for a few days

Battery Drain

What did u guys do to make your battery last so long. I have battery drain even on stock. I tried all roms. Stock even custom. Still same. All draining fast. My phone is 3 mos old. Since the day i buy this it has big battery drain. Any help?
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b2dj said:
What did u guys do to make your battery last so long. I have battery drain even on stock. I tried all roms. Stock even custom. Still same. All draining fast. My phone is 3 mos old. Since the day i buy this it has big battery drain. Any help?
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I think the best start point is to root your phone and then you're be able to do a lot stuff to your phone like flashing some good mod and/or installing any app like greenify or something like that. disable or remove any app/ process you dont need, change cpu govenor. disable wifi, bluetooth, gps when you're not need them.
and this last one is the best possible way....do not touch your phone.
b2dj said:
What did u guys do to make your battery last so long. I have battery drain even on stock. I tried all roms. Stock even custom. Still same. All draining fast. My phone is 3 mos old. Since the day i buy this it has big battery drain. Any help?
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Dint i look at your BBS and said your battery might be defective since the BBS report is normal or was it another guy
The same guy bro. But actually since i bought this i already have battery drain. But maybe ur right i guess its the battery. Im gonna buy brand new. Thanks for the info bro.
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b2dj said:
What did u guys do to make your battery last so long. I have battery drain even on stock. I tried all roms. Stock even custom. Still same. All draining fast. My phone is 3 mos old. Since the day i buy this it has big battery drain. Any help?
Sent from my GT-I8190 using xda app-developers app
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Click to collapse
I have same problem, at night the phone did not enter mode deep sleep, I use app Battery Stats Plus, and I know that app drain battery, was a media server, I disable media server and no drain battery..
I recommend you use Battery Stats Plus, and find what app drain your battery
Sorry for my english

Battery getting worse.

I feel like my battery keeps getting worse and worse. Used to last me a day and a half and now only about a day.
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Hey mate, sorry to hear you are getting worse battery life. Are you using anything from your normal? Check out my guide and see if anything helps. Below are my stats currently. I can only see you still have your alarm on, this can cause a slight lose.
Mine hasn't ever lasted as long as your day and a half, maybe it is just leveling out? A few days ago I recalibrated my battery, maybe that would help?
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kalans said:
Hey mate, sorry to hear you are getting worse battery life. Are you using anything from your normal? Check out my guide and see if anything helps. Below are my stats currently. I can only see you still have your alarm on, this can cause a slight lose.
Mine hasn't ever lasted as long as your day and a half, maybe it is just leveling out? A few days ago I recalibrated my battery, maybe that would help?
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Try shutting it off ( hold the off button on right side) the turning it back on . Reboot, I had an unexplained battery issue and this fixed it, I can get 3-4 days now.
Any update @gainstatom?
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My battery is either good or bad. Right now it's fine and going good. But sometimes I think something makes my battery worse. I will keep updating with screenshot. I think 8% for only minute on screen time is not that good.
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Yeah that's great! You can install better battery stats here on xda to see if you are getting any wake locks etc. Greenify plus xposed will do this also, but bbs has more info
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I had a battery problem similar to yours not long ago. One of the things that was running it down was in Settings> Wi-Fi> Always allow scanning. The phone would scan for Wi-Fi signal even when Wi-Fi was turned off. Unchecking that box helped a lot.
I also used a battery calibration app that clears the battery stats and that has pretty well fixed the problem.
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Sharp battery drops. Problem with device, rom or battery?

I regularly have scenarios like this.
- phone is at 27% battery
- few minutes later it beeps and shows 14%
- 30 seconds later - 5%
- few more seconds and it shuts down.
I don't run anything special and through the day it lowers steady (although 100 to 27 in 12 hours is not that great).
I run official 5.0.1 rom and never unlocked bootloader.
So is it a problem with a phone, the battery or just OS that sucks?
Anyone else having the issue?
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Most likely it's the battery. Have you looked to see what is using the battery in settings?
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Nothing unusual running. I think Android OS was main battery user, may be with hour and half of screen time.
In this specific instance I was running Toyota app while driving.
But similar things happened before without those factors. And mostly it worked ok in the car as well.
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alexnoalex said:
Nothing unusual running. I think Android OS was main battery user, may be with hour and half of screen time.
In this specific instance I was running Toyota app while driving.
But similar things happened before without those factors. And mostly it worked ok in the car as well.
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How many hours total on battery do you think?
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I took it off charger at 7am and drops started around 6pm. It was going down evenly during this time.
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alexnoalex said:
I took it off charger at 7am and drops started around 6pm. It was going down evenly during this time.
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Sorry I forgot that was in your OP. Did you look at the battery to see if it was hot or bulging even slightly? Personally for the $15 it takes to get a new battery, I would. Worst case scenario is you end up with a spare. I don't know how old your device (and this your battery) is, but it's not uncommon after 9+ months for them to start dying.
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Yes, it probably makes sense to get new battery. I got the phone last November or December but problem started early summer. Seems pretty short time for battery to go bad.
Thank you
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It's not unheard of by any stretch. Heat will kill them fast as well. Does the phone ever get hot?
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I haven't noticed it being hotter than other phones I used. Yet I carry it in external pouch so would not always feel it.
It definitely wasn't hot when battery was dropping.
More over, last time I turned it off for 3 hours at 14% and when turned it on, drop just continued and it was 5% in 30 seconds.
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I got not only a new battery but a new phone and have been experiencing a similar problem. Seriously might just jump ship to the N5. Any suggestions on what else to try? I really don't want to shell out $20 for yet another battery if it's not guaranteed to fix anything. I'm running PopRocks v14 with the stock kernel. Any suggestions?
I had the exact same issue. It was from letting the battery die too often. A new battery fixed the issue 100%
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That's true. Running it down to 1% all the time definitely shortens the life. I'll try to find the article I read that interviewed battery scientists.
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