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  1. Thread Author  Thread Author    #1  

    Default Need help with Note 2 battery!

    Hey everyone. Im new here, and before you say it, yeah, ive done some extensive research on battery issues with this phone.

    I see lots of battery screen shots, but none that look quite like mine.

    I recently downloaded DS Bqttery Saver Pro, and that doesnt seem to help a single bit.

    I went to bed last night with my phone at 100% I slept 7 hours, and it was at 74% when I woke up. This is unacceptable.

    Please help! Im totally lost here!

    Sent from my Samsung Galaxy note 2 using Android Central Forums
    Attached Thumbnails Attached Thumbnails Need help with Note 2 battery!-uploadfromtaptalk1368406674546.jpg  
  2. #2  
    mmohn01's Avatar

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    Default Re: Need help with Note 2 battery!

    That's about normal. Especially in am lte area.

    Sent from my SAMSUNG-SGH-I317 using Android Central Forums
  3. Thread Author  Thread Author    #3  

    Default Re: Need help with Note 2 battery!

    Really? 25% gone when the phone isn't even doing anything? How is that possible? My battery has been getting increasingly worse over the last few months. I need to to figure something out or get rid of this phone.
  4. #4  
    jdub1981's Avatar

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    Default Re: Need help with Note 2 battery!

    Yes you need to learn how to use your phone, everything you need to monitor battery life is built in. I have had the EXACT same problem u have except mine chewed through 30 percent in less than an hour. Understand that not all apps are truly optimized and designed perfectly. Some apps do not shut down properly andhave background processes that chew through cpu time. Anytime an app is using more than 0% (idle) while suspended is going to drain battery quickly. Any app that sends and receives data all thetime will do this as well.
    Here is a very good widget that shows you when a app is eating cpu time while idle. For me its green and shows 1 app running, it can show 15 or 20 apps in idle and still be green. Other tine it will show 2 or 3 apps and it will be red. Red is bad, click it the widget and it shortcuts to your taskmanager and shows you which apps are utilizing cputime and which are not. Close the bad apps and save your battery life.

    For whatever reason tapatalk wont let me upload the picture. The widget is called application monitor and you will only find it in the samsung appstore.


    Sent from my Galaxy Note 8.0 using Tapatalk
    Attached Thumbnails Attached Thumbnails Need help with Note 2 battery!-screenshot_2013-05-12-22-41-23.png  
    Last edited by jdub1981; 05-12-2013 at 10:59 PM.
    mumfoau likes this.
  5. #5  
    jdub1981's Avatar

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    Default Re: Need help with Note 2 battery!

    Quote Originally Posted by Joe Dotson View Post
    Really? 25% gone when the phone isn't even doing anything? How is that possible? My battery has been getting increasingly worse over the last few months. I need to to figure something out or get rid of this phone.
    One other thing to mention, your phone is NEVER not doing anything. Its just that you dont know what its doing and why. There are built in tools in the settings app and there are literally thousands of monitor type apps in the playstore. Learn your phone and you will love it.

    Sent from my SAMSUNG-SGH-I317 using Tapatalk 2
    wase4711 likes this.
  6. Thread Author  Thread Author    #6  

    Default Re: Need help with Note 2 battery!

    Thanks jdub I'll give that widget a shot. Im using power saving mode, and gps, location services, blue tooth is always turned off. I keep the screen as dim as possible, and im really anal about holding the home button and shutting down all running apps before I turn the screen off.

    I dont think the DS Battery Saver is as good as they lwt on, it didn't seem to help much at all last night. Does anyone else use it?

    Anything you guys think I might be missing? Or any other tricks I could try?

    Im in the military, and when I need to get up and go, I gotta go. I dont hace time to worry about constantly charging my phone.

    Sent from my SGH-T889 using Android Central Forums
  7. Thread Author  Thread Author    #7  

    Default Re: Need help with Note 2 battery!

    I also see lots on the web that says roiting your phone can help with battery.

    That is something I know absolutely nothing about.

    Any thoughts?

    Sent from my SGH-T889 using Android Central Forums
  8. #8  
    jdub1981's Avatar

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    Default Re: Need help with Note 2 battery!

    Rooting will not help. I am rooted and occasionally run into new apps that drain battery. I keep my brightness at half way and never turn off wifi. Gps and bluetooth I only turn on when I need it and my battery still last a day and a half with 7 or 8 hours screen on time.

    Sent from my SAMSUNG-SGH-I317 using Tapatalk 2
  9. #9  
    sejgiul's Avatar

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    Default Re: Need help with Note 2 battery!

    Try greenpower. The free version works well enough for me

    Sent from my GT-N7100 using Android Central Forums
    Attached Thumbnails Attached Thumbnails Need help with Note 2 battery!-uploadfromtaptalk1368468456571.jpg   Need help with Note 2 battery!-uploadfromtaptalk1368468470739.jpg   Need help with Note 2 battery!-uploadfromtaptalk1368468480305.jpg  
  10. #10  

    Default Re: Need help with Note 2 battery!

    Hi Joe.
    Could you post your battery history details and screen-on graphs. They can provide more info.

    Rooting isnt necessary for good battery life.
    Also removing apps from the recent apps list or clearing ram won't help with battery (or performance for that matter). Closing 'active apps' is more helpful.

    The usual culprits for off-screen battery Ioss are poor signal (or LTE) or wakelocks .

    Common fixes are:
    Keep wifi on during sleep → Never
    Apps like viber → use phones wifi policy
    Autosync → disable
    Email / Facebook → Longer refresh intervals
    Location settings → Disable 'report from this device' , Location reporting can be set to auto
    Sent from my GT-N7100
    Last edited by HypoDest; 05-14-2013 at 02:15 AM.
  11. #11  
    Ryan_Clark's Avatar

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    Default Re: Need help with Note 2 battery!

    Get rid of those useless battery draining apps. The more apps the more memory the more battery loss! Simple

    Sent from my SPH-L900 using Android Central Forums
  12. #12  
    Ryan_Clark's Avatar

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    Default Re: Need help with Note 2 battery!

    I only lose about 8-11% of battery over a 10 hour night of idle. Using power save that's built in

    Sent from my SPH-L900 using Android Central Forums
  13. Thread Author  Thread Author    #13  

    Default Re: Need help with Note 2 battery!

    To me it looks like I have a problem with my phone always being awake, even when the screen is off.
    How do I fix that?

    Sent from my SGH-T889 using Android Central Forums
    Attached Thumbnails Attached Thumbnails Need help with Note 2 battery!-uploadfromtaptalk1368529261549.jpg  
  14. #14  

    Default Re: Need help with Note 2 battery!

    Quote Originally Posted by Joe Dotson View Post
    To me it looks like I have a problem with my phone always being awake, even when the screen is off.
    How do I fix that?

    Sent from my SGH-T889 using Android Central Forums
    There is a wakelock keeping the phone awake non stop. Have you checked the settings from my previous post

    Sent from my GT-N7100
  15. Thread Author  Thread Author    #15  

    Default Re: Need help with Note 2 battery!

    HypoDest,
    I saw your post. Sorry im a little ignorant..but what is a wakelock and how do I fix it?

    Sent from my SGH-T889 using Android Central Forums
  16. #16  

    Default Re: Need help with Note 2 battery!

    Quote Originally Posted by Joe Dotson View Post
    HypoDest,
    I saw your post. Sorry im a little ignorant..but what is a wakelock and how do I fix it?

    Sent from my SGH-T889 using Android Central Forums
    Nothing complicated. Wakelock in android is simply your phone staying awake when your not using it. Your phone is awake continuously due to some setting or app. I listed some of the common causes, try them and see if they fix the issue.

    Sent from my GT-N7100
  17. Thread Author  Thread Author    #17  

    Default Re: Need help with Note 2 battery!

    Hey thanks!
    I downloaded wakelock detector, and let it run for about 20 minutes with screen off.

    Viber is hurting it a little bit, but I have to have that to text my wife in the US, I'm stationed in South Korea right now.
    The biggest culprit was a weather widget and Jango radio.

    Deleted both entirely, cleared memory, shut screen off and let sit for 30 minites. Screen off and awake bars now match!!

    Sent from my SGH-T889 using Android Central Forums
    HypoDest likes this.
  18. #18  
    jdub1981's Avatar

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    Default Re: Need help with Note 2 battery!

    Another big one is to set email refresh to manual. If you set it to anything else your phone will be constantly looking for new mail even when there are no new ones.

    Unless of course you need email to be pushed constantly such as for business use then manual should be good enough. I also turn off location use inside the google services app. This is not the same as the location stuff in the settings app.

    Sent from my SAMSUNG-SGH-I317 using Tapatalk 2
  19. #19  

    Default Re: Need help with Note 2 battery!

    Have a question regarding general battery drain while in airplane mode. When I put my GN2 into airplane mode at night, after 8 hours, the battery drain averages abotu 2.5% per hour. Is this normal? I killed all apps and put the phone in airplane mode with wifi off, but kept my alarm on. What have you observed with your phone?

    I just downloaded wakelock detector to see what's preventing the phone from going into deep sleep. I restarted the phone under airplane mode and kept it there. The log said that within the first hour Google Maps and Google Search was the two most common wakeup triggers (24 and 10 times respectively), there were only 4 other triggers that came up less than 3 times. Keep in mind I didn't touch the phone during this hour of sleep. Is there something I can do about these two google apps, is it normal? These are the stock apps on the phone.


    My google maps settings has "Use wireless netorks" and "Location and Google serach" and "report from this device" items checked. But since the network data and phone radio is off, maps shouldn't be search right?

    My google search, I'm assuming is my Google Now app. I'm not sure what I can do here....
    Last edited by Internet_Tough_Guy; 05-14-2013 at 12:33 PM.
  20. #20  

    Default Re: Need help with Note 2 battery!

    Quote Originally Posted by HypoDest View Post
    Hi Joe.
    Could you post your battery history details and screen-on graphs. They can provide more info.

    Rooting isnt necessary for good battery life.
    Also removing apps from the recent apps list or clearing ram won't help with battery (or performance for that matter). Closing 'active apps' is more helpful.

    The usual culprits for off-screen battery Ioss are poor signal (or LTE) or wakelocks .

    Common fixes are:
    Keep wifi on during sleep → Never
    Apps like viber → use phones wifi policy
    Autosync → disable
    Email / Facebook → Longer refresh intervals
    Location settings → Disable 'report from this device' , Location reporting can be set to auto
    Sent from my GT-N7100
    regarding this: Location settings → Disable 'report from this device' , Location reporting can be set to auto

    will this still allow Google Now's location specific ntotifications to work?

    I don't understand the difference between "Location reporting" and "Report from this device" choices. Based on the wording descriptions, it means the same things.
    Last edited by Internet_Tough_Guy; 05-14-2013 at 01:13 PM.
  21. #21  

    Default Re: Need help with Note 2 battery!

    Quote Originally Posted by Internet_Tough_Guy View Post
    regarding this: Location settings → Disable 'report from this device' , Location reporting can be set to auto

    will this still allow Google Now's location specific ntotifications to work?

    I don't understand the difference between "Location reporting" and "Report from this device" choices. Based on the wording descriptions, it means the same things.
    I think 'Location reporting' gives google now permission to retrieve your location, if you search for places in google now (or other google apps)

    I'm certain that 'Report from this device' regularly polls your location in the background to create a thorough map of your activities. This allows it to make much more accurate predictions but drains a lot of battery

    Sent from my GT-N7100
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  22. #22  

    Default Re: Need help with Note 2 battery!

    Quote Originally Posted by HypoDest View Post
    I think 'Location reporting' gives google now permission to retrieve your location, if you search for places in google now (or other google apps)

    I'm certain that 'Report from this device' regularly polls your location in the background to create a thorough map of your activities. This allows it to make much more accurate predictions but drains a lot of battery

    Sent from my GT-N7100
    Agreed on the auto pull concept for 'Report from this device' .

    what about un-checking the 3rd check box in the Locations setting "Locations and Google Services" for Google services? Will this also prevent disruption of the device's deep sleep? Is this different function than 'Location reporting' for Google Maps only? I'm not sure if "Locations and Google Services" is an auto push concept or an adhoc pull concept.

    weird thing is, regardless of the setting for 'Location reporting', the log for wakelock now says Google Now is the app that's disrupting sleep the most often. Not as often as Maps, but enough to be concerning. It's just really confusing how the "Locations and Google Services" and whether 'Location reporting' menus interfaces with Google Now and whether this is also an auto push or adhoc pull.
  23. #23  

    Default Re: Need help with Note 2 battery!

    Hypodest -
    I just wanted to report another successful diagnostic of this battery drain issue. I suspected it was my google maps, switched off the 'Report from this device', and after testing, my battery drain improved by about 90%!!! All this with no adverse impacts on functionality of Google Maps, or Google Now. Thanks a bunch.
    LadiJae and HypoDest like this.
  24. #24  
    namtaffy's Avatar

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    Default Re: Need help with Note 2 battery!

    I don't understand why people simply don't charge their devices at night. Then as long as it gets through the day who cares?

    Sent from my GT-N7105 using Android Central Forums
    wase4711 likes this.
  25. #25  

    Default Re: Need help with Note 2 battery!

    Quote Originally Posted by namtaffy View Post
    I don't understand why people simply don't charge their devices at night. Then as long as it gets through the day who cares?

    Sent from my GT-N7105 using Android Central Forums
    b/c everyone uses their phone differently, and some will not get through the day based on their usage. In my case, as the phone slept, I lost 20% of the battery, which is unacceptable. If you want a practical example, then consider someone who needs this phone for a 13 hour (or even an 8 hr) plane ride...then you can see that this idle/deep sleep battery drain is a major issue.

    That, and the concept of how the phone charger behaves when it reach 100%, it doesn't aid battery longiveity
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