Are the native battery stats accurate? - Samsung Galaxy Nexus

Hey guys,
I wanted to know if the native stock Battery stats (under settings) considered accurate.
I suspect that a certain app drains my battery, though I cannot see it under the Battery stats menu.
Is there any chance an app drains a lot of battery and it's still won't appear under this menu?
Thanks
Tom.

I use it only for total uptime and screen on time. Other is near useless. It always show similar stat whenever you battery draining fast or not.
Sent from my Galaxy Nexus using xda app-developers app

Not in the slightest when it comes to which app is using what. Get BMP from the play store to check wakelocks and such.

I too only use it for the total uptime and screen time. For specific app usage I use Betterbatterystats and android tuner, both paid.

Related

[Q] How do you find out which app is causing a WAKE LOCK?

How do you find out which app is causing a WAKE LOCK?
same question. If someone knows, please enlighten us.
Thanks
There are a few apps that are available in the market to single it down if it's not obvious like facebook
Better battery stats is one off my head, you can single it down by seeing what's using battery usually by going to settings > battery and seeing what's at the top... If it's not display then you've got a wake lock usually.
.. unless you're doing standby battery tests
sent from my googletron
The best way to check if you even have any wakelocks is to check the battery graph under settings and see if your phone's awake time is greater than it's screen time (I attached an example of my phone's graph while asleep a few nights ago)
If it's like mine you obviously have some wake locks...and to find out what services are waking up your phone, already recommended Better Battery Stats shows you what woke your phone via partial and kernel wakelocks...partial wake locks are what you're really looking for since kernel wake locks are obviously at the kernel level and if you're using a halfway decent one it shouldn't really be a problem
From here you just need to track down what services are initiating the partial wake locks (the service name is listed) and either turn it off or uninstall the associated app
EDIT: The Galaxy Nexus (for me at least) has been causing issues with wakelocks at least on 4.0.3 (see my stats attachment) but it's looking like a core OS thing and since 4.0.3 hasn't even been pushed out OTA yet it would make sense that they're ironing a few things out. Though I still am trying to troubleshoot what the services are specifically
Sent from my Galaxy Nexus using xda premium
Better battery stats allows you to see partial wakelocks
Sent from my Galaxy Nexus using xda premium
joshnichols189 said:
Better battery stats allows you to see partial wakelocks
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
+1
Sent while thinking about my Galaxy Nexus

[Q] Android os high consumption question

Hi all, I have one question. Am trying to figure why my android os hovers around 65%. I use Microsoft exchange and gmail. I have adjusted syncing, I tried a battery monitor and that told me 121 wakelocks, which in my understanding isn't too bad. I get 16-18 hours on a charge with moderate use, but still need to know if anyone else is having same numbers. Any thoughts would be appreciated.
I too am wondering about this.. my android os in the battery is consistently taking up over 50% of my battery.
I'm assuming this is mostly just widgets and syncing but is there an app that exists that breaks down what this consists of exactly?
Sent from my LG-E973 using xda app-developers app
GSam Battery Monitor
What exactly would I be looking for on the battery monitor? I installed it and am not too sure what I need to look for.
Darryjr said:
What exactly would I be looking for on the battery monitor? I installed it and am not too sure what I need to look for.
Click to expand...
Click to collapse
Launch app then open battery status from the notification bar and click on app usage. See we app is draining your battery the most. Mine was Facebook, even though sync was down to one hour and location was off... might need to uninstall it.
Sent from my Nexus 7 using Tapatalk 2

Battery drain with google now?

So guys ...
Did you enable or disable Google now?
Because I have heard that the Google now is causing great battery drain..
Or how to enable Google now without enabling location in settings. I mean how to prevent Google now to use location,so we can avoid battery drain by using locations...
Im sorry if this question was asked before..
Thanks in advance folx
Sent from my GT-N7100 using xda premium
I enabled it because i find it useful for me. I haven't noticed any dramatic battery drain. Phone still lasts all day
Sent from my GT-N7100 using xda premium
I leave all of the location services on and leave my GPS enabled all the time. The wife and I also use Latitude with each other. In total, maps uses about 10% to 12% of my battery each day with about 5-6 hours of screen-on time. I don't consider that a huge drain. It's usually second or third on my list of apps that used battery though, usually under Screen, and Audiut since I use my phone as my mp3 player all day at work.

Any battery saver application

Sent from my GT-N7000 using xda premium
AW: Any battery saver application
I recommend Deep Sleep Battery Saver(Pro). Throughout different Firmwares it is by far the besteht I've ever used and the only one which drops battery drain significantly. It has enough options to configure. My battery now lasts for ab out 18 to 24 hours at normal use.
Sent from my Xperia S using xda app-developers app
This should be in the Q&A. I recommend and app called greenpower (premium if you want extra features). Definitely saves battery by turning off wifi when screen is off, disabling auto-sync etc. Please take in mind though that all of these can be done by yourself and most other power saving apps work along the same lines.
I recommend not using such apps, best for you to read the ahalford thread on wakelocks and use cpuspy for deepsleep and betterbatterystats to finding wakelocks and partial wakelocks.

Poor battery life in 5.1 due to kernel

I updated to 5.1 a few days ago and noticed that the battery was draining quite a bit faster than in 5.02. I'm rooted and have gsam battery monitor installed and the kernel is accounting for about 20% of the battery drain...more than any other app and even more than the android system. Wondering if anyone else is having the same problem and what I might try to fix it.
Sent from my Nexus 5 using XDA Free mobile app
Not here. Same (great) battery life as 5.0.2.
"kernel is accounting for about 20%" doesn't tell anything. Install better battery stats and check the kernel and partial wakelocks to see what's keeping it from deep sleep. There's a free version here for xda members.
I installed BBS but it will probably be until this weekend before I have the time to figure the app out. Looked a little complicated in the few minutes I've messed with it so far.
Sent from my Nexus 5 using XDA Free mobile app
It's pretty easy. Enable watchdog in the setting and set it to "screen off" in the dropdown menu then just shut the screen off for a couple hours. Turn it on and check the cpu states and your kernel and partial locks to get an idea of what's keeping it up. You want a your deep sleep in the 90's. You can do that with all google services turned on. If ya got facebook or something installed theres your problem.

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