[Q] Who is affected of bad battery capacity? - Nexus 4 Q&A, Help & Troubleshooting

FIRST OFF: This is not about battery life!!
I asked a bit around and my friends get a much better result then me but as I wiped my data and after some cycels I get the same results again it seems like that my battery has a very low capacity.
So please share your experience here.
Data taken with battery monitor widget:
View attachment 1781587

We have a thread similar to this. It's in General.
http://forum.xda-developers.com/showthread.php?t=1992627
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C0qRouge said:
FIRST OFF: This is not about battery life!!
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I just want to talk about the mah not about anything else

Good luck on that! :thumbup:
Sent from my Nexus 4 using Tapatalk 2

it seems like, that my poor battery was caused by layer8. Also noticed that you have to not flash anything battery related (kernel, rom) because this seems to reset stats. I'll will stop flashing nightly and Kernel nightly and see were I will land with my N4.

C0qRouge said:
it seems like, that my poor battery was caused by layer8. Also noticed that you have to not flash anything battery related (kernel, rom) because this seems to reset stats. I'll will stop flashing nightly and Kernel nightly and see were I will land with my N4.
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yea this true because Ive noticed when you keep dirty flashing roms and kernels it affects the rom performance and battery over time

matt1733 said:
yea this true because Ive noticed when you keep dirty flashing roms and kernels it affects the rom performance and battery over time
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I flashed back to a stock. I didn't wipe anything afterwards. Is that considered dirty?

dirty flashing has nothing to do with it. i only dirty flash, even dirty flashed from 4.2.1 to 4.2.2, yet i have no battery issues, or battery stats issues.

AW: [Q] Who is affected of bad battery capacity?
simms22 said:
dirty flashing has nothing to do with it. i only dirty flash, even dirty flashed from 4.2.1 to 4.2.2, yet i have no battery issues, or battery stats issues.
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This sounds like your experience with the battery life. But we are talking about the mAh.
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C0qRouge said:
This sounds like your experience with the battery life. But we are talking about the mAh.
Sent from my Nexus 4 using xda app-developers app
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theres always a possibility of a defective battery, but dirty flashing doesnt have anything to do with it.

AW: [Q] Who is affected of bad battery capacity?
Yes that it's the question! Do I have the capacity of the battery regarding to its physical properties or do I have the capacity battery monitor widget is detecting?
The results of battery monitor widget are directly related to the knowledge of Android over the battery. So I guess you get the capacity which battery monitor widget is telling you.
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Related

Do you guys ever Wipe Batt stats on the SGS2?

Wondering if any of you SGS II guys do it after flashing roms?..Yes? No? Sometimes? Ive never done it yet, since I've only flashed like twice, wondering if i should eventually though.
unleashed12 said:
Wondering if any of you SGS II guys do it after flashing roms?..Yes? No? Sometimes? Ive never done it yet, since I've only flashed like twice, wondering if i should eventually though.
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After flashing a new rom, charge it to 100% and then wipe battery stats.
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kirdroid said:
After flashing a new rom, charge it to 100% and then wipe battery stats.
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Hmm what if I'm flashing total stock, no cwm/cf root or anything?
Without root you can't use the battery calibration app as well, so you can't wipe
May be the battery will calibrate itself after a couple of charge\discharge cycles.
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i wipe stats after a rom flash i am sure the devs and community didnt make it up for no reason
Not much point unless your battery stats file is full of inaccurate information. No worry since you can't do it on a non-rooted phone anyway. Give enough charge cycles, the information in the battery stats file eventually works out to be something reasonable even if it started out with inaccurate stats.
how to wipe that battery stats...plz some info
U generally don't have to wipe the battery stats....n never let ur phone full dischared, charge ur phone whenever u get the time.
Fully charge and discharge it once in like 2-3 months to recaliberate it.
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unleashed12 said:
Wondering if any of you SGS II guys do it after flashing roms?..Yes? No? Sometimes? Ive never done it yet, since I've only flashed like twice, wondering if i should eventually though.
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Nope, I dont see the point in wiping the battery history, contrary to the popular belief that battery stats is the current running calibration data
its there for a reason.. you think the devs are dumb?
flashing it makes it much more accurate.
I always wipe the battery stats after flashing a new custom rom.
I think this is especially important if you don't flash at 100% battery.

Battery fix for ics

Any news on the battery fix?? Because 4.0.3 is terrible. **
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let the battery fully discharge and then charge it. I was having a similar situation but I found out that the battery charge wasn't displaying correctly. A complete discharge recharge cycle improve the situation, although it still doesn't so charge up to 100%, stays at 93/94%.
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bigmizz79 said:
Any news on the battery fix?? Because 4.0.3 is terrible. **
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It has been fixed.
evcz said:
It has been fixed.
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???
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blackout_pt said:
let the battery fully discharge and then charge it. I was having a similar situation but I found out that the battery charge wasn't displaying correctly. A complete discharge recharge cycle improve the situation, although it still doesn't so charge up to 100%, stays at 93/94%.
Sent from my Transformer TF101 using Tapatalk
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I tried this method but it doesn't bring any improvements. Is there anything else I can do to fix this battery issues.
Thanks.
Did you do a full wipe after you updated to 4.0.3? I'm seeing about the same battery usage after the update (maybe even longer battery life). There are some apps that are not very compatible with ICS that could be causing problems as well.
bozzykid said:
Did you do a full wipe after you updated to 4.0.3? I'm seeing about the same battery usage after the update (maybe even longer battery life). There are some apps that are not very compatible with ICS that could be causing problems as well.
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Yes, I did a full wipe using the flashable ROM-Wiper and Dalvik-Wiper.
As for apps, I don't have many apps. I just use this phone for messaging, RSS reading, and some little browsing.
Why don't you do a manual wipe. That might be better. Also mess around with some CPU and governor settings (which includes flashing a new kernel and ROM).
Nexus S (GSM i9020a)
CM9 Nightly Kang (Build 5 of 2.1)
Eugene's Kernel (Speedy-7)
OC 1100/100 (conservative)

[Q] Android 4.3 battery drain?

Hi, i been noticing some battery drain after updating to 4.3 does anyone has this problem ?
Me too.
Yep me too....:thumbdown:
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Hoppy063 said:
Yep me too....:thumbdown:
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Hoppy063 said:
Yep me too....:thumbdown:
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Odd, mine seems to be a lot better battery wise since 4.3... You might want to use BetterBatteryStats to pinpoint the cause (maybe some wakelocks etc.)
Flash a custom kernel.
Yes, me too, battery seems worse than in 4.2.2. Or is it just because that I use it more now i.e. to restore apps etc?
Really? Oh no!!
I'm still waiting on my ota update
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dalanik said:
Yes, me too, battery seems worse than in 4.2.2. Or is it just because that I use it more now i.e. to restore apps etc?
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Im gonna go back to 4.1.2 because it has the best battery life which 4.2.2 and 4.3 doesnt have
me too. Really hoped android 4.3 fixed this problem ;(
been having this battery drain problem ever since 4.2.2
Do you guys have this drain problem in IDLE mode? because I do..
rough estimate, it drains like 7 to 8% in one hour when my device is in SLEEP mode..
But to all this, what apps or services seems to be draining the battery?
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I don't know what your talk in about, I'm getting better battery life than I ever did before. I'm UV by 25 running faux kernel (u21), and clean ROM. I just removed all the gapps I don't use, and don't run anything that needs background syncing. Did you guys do clean installs(full flash via fastboot)?
I also turned off daydream which I am suspicious of, yet I have no proof that it does anything
megabiteg said:
But to all this, what apps or services seems to be draining the battery?
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Thats the problem, I hard factory resetted several times and leave it alone with no new apps
installed before.. disabled NFC, my mobile connection.. and still it drains like a leaky hose in idle mode..
some friendly ppl here suggested installing greenify and betterbatterystats and stuff..
but it doesnt really help me pinpoint whats doing the draining.. maybe because I am not sure what I am looking at..
end result, i even flashed (nearly bricked my nexus on several occasions too) and still the drain is there..
I thought my battery is dying or something.. but my nexus is barely 6 months old.. and battery status shows it as GOOD..
so yea, I am stumped..
Yeap.
I am having the same problem with the battery, the battery is spent very quickly, I have less applications installed and lately I have not used the phone to see if it was me and nothing. It may be because manually install the OTA?
Does the rule of waiting a few days/recharge cycles to get a true sense of the battery not apply to Nexus devices like it does to Samsung devices?
downwiththebanksters said:
Does the rule of waiting a few days/recharge cycles to get a true sense of the battery not apply to Nexus devices like it does to Samsung devices?
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The initial battery drain after flashing can be attributed to apps conducting their first sync and the kernel "settling." This only takes a matter of hours at best. After that, one can get a fairly accurate idea of how their battery is being tasked.
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i used to get horrible battery drain until I disabled google now.
I'm also experiencing severe battery drain after taking the 4.3 update on my stock, unrooted Nexus 7. It's been 3 days and no improvement.
Sent from my Nexus 4 using xda app-developers app
I too face same problem, and the App sucking most of the battery is "Kernel (Android OS)", second one is "Launcher", "Phone" and "Android System".
Any suggestions solutions found for this battery issue?

Nexus 7 power spikes.

I'm not sure what's happening. My Nexus 7 remains idle most of the time, yet I get pretty bad battery drain and then when I check the battery history I see this. This happens during every battery drain.
Any ideas guys?
g.davis17 said:
I'm not sure what's happening. My Nexus 7 remains idle most of the time, yet I get pretty bad battery drain and then when I check the battery history I see this. This happens during every battery drain.
Any ideas guys?
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Wow, have never seen that on any device! Install Gsam or better battery stats if you are rooted to see what's going on. My best guess, it's a hardware issue.
Sent from my 2nd gen Nexus 7
Woah... Is your tablet trying to go Super Saiyan?....
Also I'm completely stock and have never rooted it and the Android system usage was close to 70% of the battery usage.
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Looks exactly like mine !
g.davis17 said:
Also I'm completely stock and have never rooted it and the Android system usage was close to 70% of the battery usage.
Sent from my SCH-I545 using XDA Premium 4 mobile app
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Have you already tried reformatting? Kind of a pain, but that's the only thing I can think of.
Try contacting Google or the seller they might give you a replacement.
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That happened to me once or twice. These spikes are only visible on the battery graph in settings app. I use an alternative battery monitor app from Google play and it does not show any spikes. Also battery life seems pretty in line with what other people report. I simply ignore them since they do not seem to affect battery life.
Could it be caused by the wireless charging functionality being triggered by other electronic devices in house?
I saw the same problem in the G+ community there, but it's Gelexy Nexus which updated to Android 4.3 recently
https://lh4.googleusercontent.com/StjSPYyRwtNHMBDli224-BiHIgMBpJ53YOMAKLIutHw=w498-h885-no
bandit_knight said:
That happened to me once or twice. These spikes are only visible on the battery graph in settings app. I use an alternative battery monitor app from Google play and it does not show any spikes. Also battery life seems pretty in line with what other people report. I simply ignore them since they do not seem to affect battery life.
Could it be caused by the wireless charging functionality being triggered by other electronic devices in house?
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Yes, but the screen shot shows 2 days of battery , and he don't use the tablet
If I have a Light use I have battery to 4 Or 5 days...
I advise you to factory reset with the battery charged
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I'll try doing a factory reset I suppose and see if that cures this. I'll keep everyone updated.
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g.davis17 said:
I'll try doing a factory reset I suppose and see if that cures this. I'll keep everyone updated.
Sent from my SCH-I545 using XDA Premium 4 mobile app
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ppdebie said:
Seems more likely to me then the battery actually spiking it's voltage. That'd be potentially more serious...
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Hey everyone,
My Nexus 7 (2013) is having the same problem with battery graph. There are about 2-3 spikes to 100% in every discharge cycle.
I noticed this problem has been reported in different cycles, but no one seems to be able to give a definite answer of what the source of this problem is.
BTW, after a reset to factory settings, the problem still persists.
ANY idea why this is happening???
g.davis17 said:
I'm not sure what's happening. My Nexus 7 remains idle most of the time, yet I get pretty bad battery drain and then when I check the battery history I see this. This happens during every battery drain.
Any ideas guys?
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SEARCH 1st b4 posting!!!
http://forum.xda-developers.com/showthread.php?t=2381550
henklbr said:
SEARCH 1st b4 posting!!!
http://forum.xda-developers.com/showthread.php?t=2381550
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You just keep referring to that forum without actually answering my question, even on that forum

Bad battery life on CM11

Hi,
I am running the latest CM11 nightly 20141204. I just bought a new original samsung battery but still getting pathetic battery life. I am getting just half day backup with data on. Is this problem specifically with CM11 or there could be any other issue?
Try ArchiKernel, it does wonders with the battery life.
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Curst said:
Try ArchiKernel, it does wonders with the battery life.
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Yeah I did that. What are your settings?
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I have left it on the standard settings since it feels like a good balance between performance and battery life for me.
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shivaagarwal1 said:
Hi,
I am running the latest CM11 nightly 20141204. I just bought a new original samsung battery but still getting pathetic battery life. I am getting just half day backup with data on. Is this problem specifically with CM11 or there could be any other issue?
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Questions go in the q&a section. Report your own post to get it moved.
Find the betterbatterystats thread and follow the OP.
cyanogen is known for the ''battery drain'' problem, i suggest you to flash boeffla kernel, with the app ''boeffla config v2" (find it on web, not in play store) and play with governors and eventually undervolts to save some battery

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