Database Develop

Display + Battery level

Hello,
I recently got my nexus, and rooted only two days after receiving it. I installed cyanogen's latest. I am getting low battery; in only 5 or so minutes, the percentage goes down by at least 2 percent (while using). I looked to see what may have been draining the battery, and found that the display alone was using 62% to 75% of my battery. I tried undervolting, but the display seemed to still be in the same draining range...
Is this a hardware related problem, or is this a common nexus thing?

ywindlass said:
Hello,
I recently got my nexus, and rooted only two days after receiving it. I installed cyanogen's latest. I am getting low battery; in only 5 or so minutes, the percentage goes down by at least 2 percent (while using). I looked to see what may have been draining the battery, and found that the display alone was using 62% to 75% of my battery. I tried undervolting, but the display seemed to still be in the same draining range...
Is this a hardware related problem, or is this a common nexus thing?
Click to expand...
Click to collapse
same here, really starting to piss me off when i see people talking about 70% battery at the end of the day while my phone dies in 6 hours

Cyan?
Woah, I think this might actually be cyan's Rom.
I flash enomther's rom and i got display percentage at around 15-16% ...
I think cyan will look into this soon enough...
But for now... I guess I'm gonna wipe... :/ and stick to enom's or some other ROM...

ywindlass said:
Woah, I think this might actually be cyan's Rom.
I flash enomther's rom and i got display percentage at around 15-16% ...
I think cyan will look into this soon enough...
But for now... I guess I'm gonna wipe... :/ and stick to enom's or some other ROM...
Click to expand...
Click to collapse
C´mon....see my signature!
More than 10h now, Wifi on all the time -> 70% battery
This is not that bad

rori1 said:
C´mon....see my signature!
More than 10h now, Wifi on all the time -> 70% battery
This is not that bad
Click to expand...
Click to collapse
I think the problem is only with a few people, but I know others are experiencing this. This might be something with the "latest" nexi. But idk, it's a mutual issue, a fix should be coming

Probably you are right...
But, I would like to know, what settings peolple use: like updating wheater every hour, emails, widgets,..ham many apps are running and so on, ... perhaps connected to...sometimes people dont even know that
Edit: I got my Nex in january.

The change in the display usage percentage is just due to the way the powermanager works. Its not using more battery, its just displaying how much power it is using more accurately.

have the same problem.
100% airplane mode ON no WIFI, in 5 hours 72% battery remains . (PHONE IDLE took most of this - my G1 could go 1 month with this settings)
IN 12 hours in was 6% and with LOW use of my N1.
Yesterday I removed numbers in my battery and it was a litle better, not much but a little. (about 8% better)
I had 5.0.5.1, 2 and 3 and everyone had the same problem!
CM please take a look at this. What do you need any LOG info or something!

Have you tried wiping battery stats, then charging to 100% with it off, then booting into recovery and wiping battery stats again, then charging to 100%? The few times I've had battery issues that's taken care of it for me.

I flashed cyan again with a wipe (again), but got the same thing.
On enom's rom, I get beastly battery. I think we just have to wait for a fix for the people who are affected.

danguyf said:
Have you tried wiping battery stats, then charging to 100% with it off, then booting into recovery and wiping battery stats again, then charging to 100%? The few times I've had battery issues that's taken care of it for me.
Click to expand...
Click to collapse
Do you need root to wipe battery stats? how do you do it?

Well I did the wipe battery about 3 times and in OS it was already green light 93% full.
I WIPED and put the power in on NON POWERED PHONE. It took 1 hour more to come to the green light . than I wiped again and went to boot up.
at 11PM i had 100% battery went into airplane mode wifi OFF.
And i did one other thing. Some of you had the battery drain issue with trackball wake. So I disable it.
7 hours of this and I got 97% - beautiful
before that I had 72% so there is a difference.
Now I have to see if the wakeup trackball is the cause of this or the wiping the battery stats.
Will eliminate one and other and keep you posted

I took my phone off the charger at 4:30am and the next day at 5:30 am i had 12% battery left. i used my phone a total of 3 times. most of the time it was on standby. i have setcpu with my phone UV and UC to try to save battery with profiles set up. in battery information 85% of the phones battery went to cell standby. Any suggestions on how to improve this?

Try wakeup trackball OFF in spare parts and battery % OFF in upper taskbar.
I have now from 100% to 59% in 7 hours. wifi ON all the time.

I have tried to wipe battery settings and charge fully with the phone off, but after the full procedure, I still get the same end result. I attached a picture of my battery usage.

Im pretty sure i saw a post online about the newer nexus's that were released having a better display. If this is true then wouldn't the phone's hardware alone be using more battery?

I can confirm I am having the same problem. I wasn't sure until I checked battery usage overnight. It used to be that with my phone on airplane mode I would use about 2% while I slept. Now, it's 9 or 10% with "Phone Idle" taking the lion's share of it.
I have tried deleting batterystats.bin after a full charge; powering off (while on charger); charging up to full again, but this has not solved the problem.
A few notes:
When the phone is idle (but not in airplane mode) it uses about 1.5% per hour (compared to about 1.1% in airplane mode)
I am using setcpu profiles to keep cpu usage right down when idle
Around the same time I upgraded to 5.0.5.3 I also started using the himem version of fastboot. And yes, if you suspect I don't know what I'm talking about here, you are quite right
For my next trick, I will try resetting battery statistics via recovery. What fun!

I've kept the cyan rom, and changed some settings to increase battery life. I turned off the battery percentage icon, and turned off the trackball to wake. I still got that the display was using a lot, but the battery still lasted pretty good. I guess there isn't too big of a problem on my side. It probably is the "newer displays" on the "newer" nexi. Maybe there really isnt a big problem

I changed now from CM to Enomther's TheOfficial Nexus1 1.8.1 and battery now works great.
I unplugged the charger at 12.00 am at midnight and with quite good use, not extremely havey but a good use I had 30% battery left at 20:00 (08:00PM) that day.
I lost only 2% from midnight to 7:00AM in my airplane mode and with Gmail check 10 min of phone calls wifi ON all the time checking web pages and showing off my live wallpapper at my work I had at noon (12.00PM) 70% battery left!
I LIKE IT!
now I'm thinking to push Kernel - .32 & .33 to see if there is any change with my battery
http://forum.xda-developers.com/showthread.php?t=653598

After resetting battery stats in recovery, I still lost about 10% overnight while on airplane mode.
For my next trick, I'll use a task killer like "Process Manager"* to keep everything unnecessary switched off overnight. Maybe I'll be able to narrow it down to an application if it's not something integral to the actual ROM.
*Yes, I know it will use up the battery too

[Q] YABPT (Yet another battery problem thread)

I have had battery problems plague me for the last month, regardless of flashing, reverting to stock etc.
The following data is compared to my friends captivate, who is running the same setup as I am Continuum 3.11 and Speedmod k13c. He currently gets at least 24 hours on a full charge (thats WITH gaming and calls etc.). I can barely scrape 10 on minimum use.
At first I thought it was a rogue app that was constantly draining, but unfortunately it was not (after several trials and monitoring apps).
Next, i tried reflashing, Master clearing + flash from stock, flash at 100% charge, but still nothing.
Next thing I tried was to see if it was my battery was faulty (doubted it because it was new from original phone. Only had it for 2 months) by swapping batteries with my friends Captivate (also original battery). I concluded that this was not the problem since he was getting great battery life (if not better since mine is newer) and I was still draining.
After, I tried battery stats wiping, recalibration (bump charging) flash to stock and flash to a rom with reportedly good battery, with k13C speedmod. Still bad results.
So heres my current situation: I am running Continuum 3.11 with speedmod k13c. I have tried almost everything in my arsenal and googling but I have come back empty handed. It is NOT the battery, rogue app draining OR rom/kernal. I am completely stumped.
Heres a summary/extra details of my trials:
-Flash to stock and try again
-change batteries
-wipe stats, drain and recharge, charge for 8 hours, bump charge (recalibration), flash from 100%, master clearing etc.
- setting brightness to lowest, wifi off, plane mode when turning back on
- being anal and not installing new apps / using what rom came with
- My phone remains ice cold on standby. I know that when it gets hot, it drains (during standby and etc. but this time its ice cold)
- Here is some data: In one hour of minimal use (checking texts, replying etc.) I lose 10%. overnight I lose around 20%. In a heavy usage, 4 hours.
(note : I know that some of you might consider that barely passable battery life, but if I directly compare to the set up of my friend, its not right since in heavy usage he gets about 12 hours, which is my max per charge on minimal use)
Im hoping someone can help me with this problem, because I believe that this problem is plaguing other peoples phones as well, not just mine.
REFERENCE THREADS THAT I HAVE LOOKED AT:
This one
And this one of course
EDIT:
I recently swapped batteries again with my friend, because I recall fixing it at one point, but I had to reflash it due to a bug or something, i dont remember. But when we swapped batteries and swapped back, I seem to have fixed it. This leads me to believe that My phone right now has no idea where 100% actually is and its only charging to some random % that is NOT 100% .
This time, I swapped with him when he had 47 percent, and I had 87. After we swapped, we immediately checked the percentages. To my surprise, his 47% on my phone immediately turned to 23% But strangely, that 23% remained (the charge on 23 seemed to be holding for quite a while). But when I recharge, it charges WAY too fast (10 minutes of charging = 40% in total from 23%? B.S.!!!)

antonyfl said:
This time, I swapped with him when he had 47 percent, and I had 87. After we swapped, we immediately checked the percentages. To my surprise, his 47% on my phone immediately turned to 23% But strangely, that 23% remained (the charge on 23 seemed to be holding for quite a while). But when I recharge, it charges WAY too fast (10 minutes of charging = 40% in total from 23%? B.S.!!!)
Click to expand...
Click to collapse
I guess thats happen when you flash new rom or kernel or modem...you need to wipe battery stats to fix that....

viny2cool said:
I guess thats happen when you flash new rom or kernel or modem...you need to wipe battery stats to fix that....
Click to expand...
Click to collapse
I wish it were that simple =( I already tried that via recovery. Unless the recovery method is bugged and not actually wiping the stats. I will manually delete the battery stats and retry, but I dont think it will work.

im just reporting back that manual battery stats wipe did not work =( Any help please? I am absolutely stumped

sorry to triple post but I thought I should ask something else:
Would extracting the batterystats.bin from another captivate and using that one work? (assuming i set permissions correctly)

[Q] {Q} Weird Battery Issue

First some history. Running Jaybob 2.3.4 June 4th. With the .35 kernal. But had the same problem running Aosp 2.3.4 also with the .29 kernal. Firerats 1.5.8 I think it is. Mtd 95 20.
Now the problem, Sometimes I will charge the phone over night and in the morning it will be at the same battery percentage as when I plugged it in and sometimes it will show 100% but then unplug it and it drops to the exact level as when I plugged it in instantly. Other nights it will charge full and stay there. Have had same results with different cables and chargers. So last night after installing June 4 Jaybobs I let it charge all night and this morning it read 100% so I went into recovery and wiped battery stats and rebooted. After reboot it read 74% the same as when I plugged it in the night before. So I let it charge for an hour and a half and when I checked it it was at 74%. I unplugged and rebooted and plugged in and now after an hour it is at 91%. That is where i am at. I plan to charge to 100 and wipe again. Any insights into this problem? Anyone seen this before?
Edit. After charging and wiping battery stats it is at 100 after unplugging. Will let die and recharge and see what happens.

I seem to have a similar problem. I usually turn off my phone every night and let it charge. First thing in the morning, it always reads around 82% instead of close to 100% like it should. This has been happening for the past couple of months now, on completely different Roms too. Like you, I also wiped my battery stats at 100% and it didn't help. Whats also weird, is last night, I left my phone on and it charged up to 100%, but the first ten minutes after I took it off the charger, it was down to 82% and 30 minutes later (after actually using it) it is at 80%. So pretty much it fell off of a cliff and landed at 82% and is now acting normal. I know this doesn't answer your question, but it assures you that you're not alone, and I'm searching for a solution too ;-)

tannerw_2010 said:
I seem to have a similar problem. I usually turn off my phone every night and let it charge. First thing in the morning, it always reads around 82% instead of close to 100% like it should. This has been happening for the past couple of months now, on completely different Roms too. Like you, I also wiped my battery stats at 100% and it didn't help. Whats also weird, is last night, I left my phone on and it charged up to 100%, but the first ten minutes after I took it off the charger, it was down to 82% and 30 minutes later (after actually using it) it is at 80%. So pretty much it fell off of a cliff and landed at 82% and is now acting normal. I know this doesn't answer your question, but it assures you that you're not alone, and I'm searching for a solution too ;-)
Click to expand...
Click to collapse
Have you guys tried a New Battery?
Otherwise try presssing *#*#4636#*#* then select the Battery option, and take a look at the Health and other Info...
Might Help Determine the Problem?
Good-Luck!
*Sent on My*
Fast as its Ever Been....
"Sprint" Hero.... Running My, *ExEnHeroC* Rom, w/Kifno's Twist, Also The XDA-BLUE.apk!! "Page 10" of My Thread!!
http://forum.xda-developers.com/showthread.php?t=957867
http://www.megaupload.com/?d=WTMLMK6M
http://www.mediafire.com/?bb1axugm0bw7oro
http://m.youtube.com/index?desktop_uri=/&gl=US#/profile?user=PMGRANDS

i had the same issue a few months back. i fixed it by charging it from a computer usb port (it will charge slower, but from what i've read thats actually better for the battery). I let it get to 100% and left it connected for a while longer, then wiped my battery stats. from that point on it seemed to report the proper battery level.
I noticed that the ac charge adapter would charge it to 100% way too fast, from 12% to 100% in like 10 minutes if the phone was powered off. i knew that wasnt possible, so thats when i did the usb charge / battery stats wipe, and it seemed to fix it for me.

Problem was getting worse, did ruu and re rooted and seems to be fine. Will report tomorrow after more testing.
Sent from my HERO200 using XDA Premium App

[Q] Battery draining too fast in CyanogenMod 10.2!

I flashed CM 10.2 last night, and it had about 80% battery. But in the morning found the phone's battery dead. Recharged it again, and found out that it was losing 10% of charge in 15 minutes on standby. This is the first time I had battery issues like that.
I was using HarshJelly (latest build) , over which I flashed Carbon ROM (Build 6). But the carbon ROM was stuck in a bootloop.
SO, I decided to flash the benevolent CM 10.2. But got the battery issues I just mentioned.
I checked that wifi was off and brightness was at minimum.
AFAIK, kernel might not be the problem as CM installs its own kernel, as told to me by the people here at xda.
Does somebody has a similar problem? How can I stop this?

Fusion_RIP said:
I flashed CM 10.2 last night, and it had about 80% battery. But in the morning found the phone's battery dead. Recharged it again, and found out that it was losing 10% of charge in 15 minutes on standby. This is the first time I had battery issues like that.
I was using HarshJelly (latest build) , over which I flashed Carbon ROM (Build 6). But the carbon ROM was stuck in a bootloop.
SO, I decided to flash the benevolent CM 10.2. But got the battery issues I just mentioned.
I checked that wifi was off and brightness was at minimum.
AFAIK, kernel might not be the problem as CM installs its own kernel, as told to me by the people here at xda.
Does somebody has a similar problem? How can I stop this?
Click to expand...
Click to collapse
You did factory reset and you wiped cache and dalvik cache? What was consuming your battery most? BTW CM10.2 is draining battery more than stock and CM10.1 I think.

Yes, the usual drill - factory reset, wipe cache and wipe dalvik. Each of the times I flashed a new ROM.

Fusion_RIP said:
Yes, the usual drill - factory reset, wipe cache and wipe dalvik. Each of the times I flashed a new ROM.
Click to expand...
Click to collapse
Discharge/full charge 3-4 times. It should make it more normal... In Battery settings, what is shown to drain most?

The top drainers are-
1. Android System - 21%
2. Android OS - 18%
3. Mediaserver - 16%
4. Apollo - 12% (listened to music for over an hour before last recharge, using headphones of course)

Fusion_RIP said:
The top drainers are-
1. Android System - 21%
2. Android OS - 18%
3. Mediaserver - 16%
4. Apollo - 12% (listened to music for over an hour before last recharge, using headphones of course)
Click to expand...
Click to collapse
This is first chageing after installation? Probably Mediaserver scan something, after it is done it will not drain that much. Like I told, do 3-4 cycle of discharge/charge. After that you will have better picture about battery life.

Fusion_RIP said:
I flashed CM 10.2 last night, and it had about 80% battery. But in the morning found the phone's battery dead. Recharged it again, and found out that it was losing 10% of charge in 15 minutes on standby. This is the first time I had battery issues like that.
I was using HarshJelly (latest build) , over which I flashed Carbon ROM (Build 6). But the carbon ROM was stuck in a bootloop.
SO, I decided to flash the benevolent CM 10.2. But got the battery issues I just mentioned.
I checked that wifi was off and brightness was at minimum.
AFAIK, kernel might not be the problem as CM installs its own kernel, as told to me by the people here at xda.
Does somebody has a similar problem? How can I stop this?
Click to expand...
Click to collapse
I bought another battery and for my surprise I got the same performance. So I investigate and I installed a battery calibration. You must be root for use it. You must charge the phone all the night, and on the morning, you launch the application without unplug the phone to the charger. Once you did it, unplug it, and try!
You must do it after every ROM install.

As shut_down said, the battery pretty much figured itself out after a couple of discharge cycles. Right now, I charge it once every two days! :highfive:

shut_down said:
Discharge/full charge 3-4 times. It should make it more normal... In Battery settings, what is shown to drain most?
Click to expand...
Click to collapse
I want to try this too...
It's charging until 100% and then use until 0% then charge again???
Or is charge until 100% then discharge a little and charge again until 100%??

Shiningb said:
I want to try this too...
It's charging until 100% and then use until 0% then charge again???
Or is charge until 100% then discharge a little and charge again until 100%??
Click to expand...
Click to collapse
Charge to 100%, discrarge to something about 0% (0-5%). And again charge to 100%.

there isn't such thing as battery calibration. 10.2 is a battery drainer, period

fbs said:
there isn't such thing as battery calibration. 10.2 is a battery drainer, period
Click to expand...
Click to collapse
Offtopic: I remember Saint from MadTeam said that battery calibration didn't existed... And i agree with him...
Well i tried this (I discharged my phone completely) and after charging overnight, it feels good...
Still testing...
If i play n64 on my phone for 1h, then the screen time lasts around 2h30m...

fix battery drain issue:cyclops:

i guess you use greenify and hibernate some apps drain your battery
sorry for my bad english~

Battery died at 30%, then stayed at 3%? (screenshot)

My battery has been dying at 20-30% lately. I've done all the tests from cycling (letting it completely die, then charging to 100%), to battery calibrations, full restore, full system wipe in TWRP to the point where it says "no OS installed", and then flashing the stock rom.
After all this, in just the first try, the phone died at 30%! I turned the phone back on immediately and saw that it showed 3% remaining. I decided to leave the phone on and let it discharge on its own. After 24 hours, I was surprised to see that the phone was still on and at 1%! That's a 2% drop in 24 hours. I've attached the battery usage page for reference.
Can anybody explain what is going on here?? Is this a software or a battery issue? I'm left to thinking it's a battery issue after all of the tests that I've done. Whatever miscalibration it has should have been reset when doing a full wipe right?

What's battery waster?

kboya said:
What's battery waster?
Click to expand...
Click to collapse
It's a good app used to drain battery for cycling purposes.

Bump