Battery Life ROM/Kernel comparisons - Nexus One General

Battery life is something that definitely concerns everyone.
Lately we've been seeing a considerable increase in the number of tips, tweaks, and some apps to improve battery life in our nexus phones.
New modded kernels are also starting to pop up since kmobs released his UV one, followed by psyq's and insectRaven's, among others. I've even read comments about having 70% battery power after about 15 hours of use with AVS! Damn, what's your secret you people?
As well as undervolting, AVS, and other kernel-based configs, people are also starting to talk about how each ROM optimizes battery use. Some claim Emmother has better results than CM. Some are just fine with CM.
There have also been several comments about slow charging being better than fast 1A charging.
So, to join all these things together, I've created this post to see how much battery are YOU getting and what's your setup. Hopefully, we can all benefit from the information that's collected here once it gets going.
Please post in a clear and organized manner so we can all get some useful info out of this thread. I encourage you to follow this way of posting your info:
ROM: Whatever ROM you're using.
Kernel: Whatever kernel you're using (please be specific about extra features it may include)
System & software related:Widgets: Any widgets you've got that you think have certain influence on battery life.
Background: Any apps you've got running on background.
Connectivity: 3G signal + strengths or weaknesses / Wifi / Bluetooth.
Sync enabled?: Pretty self explanatory.
GPS & navigation: What software do you use for navigation.
Others: Screen brightness, display % usage, etc..​
Battery-related:Battery model: HTC stock, ebay, whatever...
Charging method: What kind of charger are you using?
Extra info: Voltage, temp, and any other info worth providing.​
Overall phone use: (Time-wise)
Internet (Browsing): How much time you spend *JUST* on your browser.
Internet (General): IM, VoIP, streaming... Basically any app you frequently use that requires connection.
Calling: Approximate total time per charge.
GPS & navigation: Do you use it frequently? If so, how much.
Games: Which games and for how long do you usually play.
Other: Any apps you may want to point out.​
Battery life & impressions:
Here is where the real, but somewhat subjective, talk comes in. Just post what battery life you're getting with the info you've just provided and what are your concerns and impressions regarding this. This is the place to comment in more detail about anything you may have posted above and want to clarify or drive special attention to.
Click to expand...
Click to collapse
Template available here.​
Leave whatever you don't want to post blank, but please be as specific and objective as you can on what you do post. Also, feel free to add any category with info you think is worth it. If you think there's something that I left out and should be there (which is very likely I have) please don't hesitate to tell me and I'll add it as soon as I read it.
I really hope we can all share some info and clear out all the secrets regarding mysterious claims for battery life I've seen around lately. For this to work I urge you once again to post in a clear and organized manner. There's quite a lot of information and it'll be much easier to find, compare, and comment on.
Thanks in advance for your participation.

[Reserved]
I'll try and post the best results here once we've got enough impressions.

What happened to this thread???? No one replied?
I think the idea is awesome, however the information you ask might be a bit too detailed. I would rather try to classify uses under "light", "medium" and "heavy" (i.e. light would be just occasional phone and messaging, medium would be more frequent messaging with occasional data/gps/wifi....etc.) That way, someone could easily classify himself along these criteria and we would get a very large database of battery life for each rom and use. I'm sure a lot of people would chime in on this as battery life is very important to all of us.
For me, it's too early to give my opinion as I just got the phone and installed CM, but I am a little bit disappointed at the battery life... I definitely won't be keeping the display brightness on auto...

Hey thanks for replying!
I created this thread because in such a phone, battery life is an issue that we're all concerned about. Now, with so many different ROMs/Kernels to choose from, it's sometimes difficult to know which will suit you the best in these terms.
I never said every category I mentioned had to be answered. They're kind of a guide if you will. Just answer whatever you feel like answering, or make a simple comment if you feel lazy. I don't really care as long as the discussion stays on topic.
I think once we've got some participation this thread will grow exponentially. I just can't believe people don't give a **** about they're $500+ "superphone"'s battery.

ROM: CM 5.0.5.3
Kernel: intersectRavens 33.1 AVS Extra
System & software related:
Widgets: Weather widget donate, Battery Life, Agenda Widget, Audio Manager, Power Control, IP Address
Background: Wallpaper rotator(60 mins), SeePU, SetCPU, AppSwipe, GTalk, Meebo, Google Voice, Gestures, Swype
Connectivity: 2G only for 2 more weeks
Sync enabled?: Yes
GPS & navigation: Motonav about twice a week.
Others: 0% Brightness except in the sun, Display usage ranges from 20% to 60%​
Battery-related:
Battery model: ends with M
Charging method: 500mA USB usually
Extra info: ​
Overall phone use: (Time-wise)
I'm a heavy user. The battery will die in under 4 hours if I use it constantly.
Internet (Browsing):
Internet (General): gmail,gvoice,im, xda, fmylife
Calling: about 30 mins per day.
GPS & navigation: not too much, all of them drain the battery fast.
Games: RoboDefence (level 70 , drains the battery quickly, choppy with power save kernels), AirControl. Whenever theres time to kill
Other: Camera.(tried desire, back on stock now). Shoot anything and everything. Very fast way to empty your battery.​
Battery life & impressions:
Have to carry a charger on me whenever I go out for an extended period (5 hrs). Noticed some improvement in standby time with the new AVS kernel.
Waiting to try the release version of CM 5.0.6 or 5.0.7;logs indicate power saving is a priority now.

Related

[GUIDES] Optmizing Evo Battery Life

The information contained in this thread is not my own work. It is simply a collaboration of the links, guides, and information I have found on the web as I try and optimize my own Evo battery to maximum performance. This guide assumes that you already have a rooted Evo, if not I would suggest heading over to the developer's section for a guide on that.
Please note I have NOT been able to test out the outcomes of all these guides so the amount of battery you save will be very YMMV. For the most part though, I don't see any of these guides harming your battery life so they are worth trying. My Evo battery is able to last 10+ hours on moderate/high use, and over 20 hours on idle through the help of some of these guides.
Let me know if you want anything added up here!
------------
Basic Evo Settings Optimization
Basic set-up information for your Evo settings.
http://www.talkandroid.com/android-forums/htc-evo-4g/5120-improving-battery-life-htc-evo.html
And another good one (longer read, but more detailed information on how much the settings affect battery life).
http://www.goodandevo.net/2010/05/20-tips-to-improve-htc-evo-4g-battery-life.html
Evo Mobile Network Modifications
Evo battery life trick read (going from GSM -> CDMA auto prl).
http://forum.xda-developers.com/showthread.php?t=700601
Hack the HTC EVO - 3G w/o Sprint EVDO coverage!
http://forum.xda-developers.com/showthread.php?t=696073
Overclocking/Underclocking
You are responsible for your own actions in this section. Overclock at your own risk!
Root + OverclockWidget = 20 to 40+ Hours of Battery Life (under clocking guide. very mixed reports its usefulness, I suggest reading the thread for more details).
http://www.sprintusers.com/forum/showthread.php?t=207985
njfoses said:
So over at android central here is what is posted. This was a conversation with a member and the developer. Where it says bills info he is the developer of this app and his statement. So it appears it does help.
Obviously it can't overclock, we all know that because of perflock BUT here's the deal, the EVO CPU is set to scale back when its sleeping by default although it doesn't always do this because it may misinterpret information.
(bills info)
What this widget does is force it to underclock so you may see a slight increase in battery.
Click to expand...
Click to collapse
Roms
Keep in mind MOST roms will help improve your battery life, but the following roms are aimed towards battery life optmization.
DamageControl v3.0
http://forum.xda-developers.com/showthread.php?t=700649
Bugless Beast v.3
http://forum.xda-developers.com/showthread.php?t=700175
Fresh
http://forum.xda-developers.com/showthread.php?t=700448&page=29
VERY useful Misc. info
Google TALK might be killing your battery life! (it's on 24/7 if you sign into a google account)
http://www.sprintusers.com/forum/showthread.php?t=207991
Good info!
thanks, i'll try the overclock (actually underclock) as my phone sits idle alot throughout the day just synching emails with the screen off so this should help tremedously.
IceCreaMan said:
thanks, i'll try the overclock (actually underclock) as my phone sits idle alot throughout the day just synching emails with the screen off so this should help tremedously.
Click to expand...
Click to collapse
There have been mixed reviews on how well that modification is working. I would say keep a close eye on your battery levels when you attempt this. I tried, and my battery dropped 23% in 15 minutes right after I took it off a fresh charge. I'm not sure if it was the overclocking widget causing this or something else but there has been a lot of varying results. I'll have to test it out again later.
Goodluck to you!
It should be noted that the "overclocking" is actually underclocking, which the EVO does automatically. There is no need for an additional widget to control this.
Sticky IMO
Changed the section to be overclocking/underclocking.
Also added Flip's rom to the list, as I've been keeping up with that thread and it seems like a lot of users are reporting substantial performance gains.
Let me know if there's anything else that needs to be added!

[Q]Where are kernels posted/whats the best on battery

hello
i just got a mytouch 4g yesterday(traded my vibrant for it)
anyway i read on android central a good way to improve battery life is to,
flash ice glacier and a custom kernel,idk if this is a rumor or what but if not i already have ice glacier un themed 1.1.2
but im having trouble finding a kernel post
Kernels are posted in development section, currently there's only one.
You need to get SetCPU from the market to take advantage of over/underclocking to see any difference as, by default, kernels is acting just like stock.
What's best for the battery? Turn off your phone completely, you can go for couple of years on a single charge
But really, it all depends how hard you push your system. Start out with 245/368 powersave with screen off, 345/768 on demand with screen on and see if you can live with it (i.e. no lag). If that doesn't work - up it by a little bit and see the difference. It's a trial and error game as everybody's chips are different in how they can handle overclocking. My set-up is 245/368 on demand with screen off, 768/1607 on demand with screen on, 368/768 if battery is under 20%. Works for me, I can make my battery last at least 14-16 hours with this set-up, YMMV depending on how you use your system.
Kernel thread.
Best battery? Battery life is all relative. Every single person will experience different battery life. The apps you have installed, the amount of time you spend on it and the time you spend on/in each app, distance from cell towers, distance from Wi-Fi sources, settings you have for every app and things like sync and what not.
There is no single variable that will ever help any of us find out what the best battery life is.
All the settings in the world won't help you achieve the 2 days I'm getting because I use mine differently that you, I have different apps on mine that you, I am at different distances from cell and Wi-Fi towers/antennas than you.
The best battery life is what you get out of yours.

Battery Life Testing - Kernel + Rom Combo's

Iv always considered battery life a very important factor in my purchasing of a phone and was one of the big reasons i moved from my Desire HD to the Nexus S (amongst many others). However having been on the android scene for a while im used to tinkering with kernels and roms etc and due to the new battery graph in gingerbread im now able to make direct comparisons rom by rom and kernel by kernel to see how they all differ. This is all shown + explained below.
First id like to explain my method;
I install the rom and kernel with the same apps I always use and charge the phone fully until i am about to go to sleep. I then unplug the phone and leave it in the exactly the same place on my desk with exactly the same settings (sync intervals etc) and i kill all apps before i leave it just to make sure the test is fair.
In the morning i then take a screen shot of the battery life over the period of usually 8 hours and will upload this for you to see. I then look at the over-night battery drain as a comparison on how good battery life is on specific roms and kernels.
Justification - Many of you may be thinking who cares about standby battery life? I care about the battery when im using it!?
Well although that's valid there are many reasons i have taken this approach;
1. It is completely fair i.e. no individual differences such as 'im a heavy user' but we all have different definitions of a 'heavy user'. This is eliminated by the fact the phone is not used and thus the same every time (no individual differences)
2. If a phone has severe battery drain during sleep general knowledge should dictate that battery drain should increase when the screen is on, cpu is working and your syncing your facebook wall, thus a direct correlation with sleep battery drain and usage drain should be apparent.
Therefore i have decided over the next few days/weeks etc i will upload on a regular basis a screenshot of the battery drain over night, along with the battery use details and screen on time etc etc. In addition to the rom and kernel info and i hope that over time this proves to be a very useful thread.
I have been doing this over the last few days on a less strict system and there have been some VERY interesting results which i will upload over the next few days.
(Just a final note iv never really done anything like this on xda before so if its a stupid idea then please tell me now so i dont waste my time doing it, however if people are really interested please let me know and il make sure i do my best!!)
Thanks for reading my extremely long post!
Bratfink
SCREENSHOT 1: This was using modacos custom rom r10 and the kernel that comes with it, i had quite a short sleep (about 6 hours) but the curve pretty much shows what the point im trying to make is. The battery life is great!!
SCREENSHOT 2: This is CM7 Nightly build 27# with Netarchy's latest 1.2.1 kernel and although i didnt use the screen once of charge for a few minutes as you can see once the screen was off battery life barely decreased and was over a long period of time.
If anyone wants me to test specific combos please let me know.
I'm actually looking forward to reading your results.
Sent from my Nexus S using XDA App
Yep, this would actually be pretty useful. Good luck and good work!
i'm a sucker for these types of tests, always love doing them and seeing the results. post soon!
I like others will be keeping an interested eye on your findings.
Uploading pictures of modaco r10 with it's own original kernel today. Its an interesting result!
Sent from my Nexus S using XDA App
Uploaded to OP
I'm interested too.
Can u try modaco r10 with Netarchy 1.2.1 kernel.
bratfink said:
Iv always considered battery life a very important factor in my purchasing of a phone and was one of the big reasons i moved from my Desire HD to the Nexus S (amongst many others). However having been on the android scene for a while im used to tinkering with kernels and roms etc and due to the new battery graph in gingerbread im now able to make direct comparisons rom by rom and kernel by kernel to see how they all differ. This is all shown + explained below.
First id like to explain my method;
I install the rom and kernel with the same apps I always use and charge the phone fully until i am about to go to sleep. I then unplug the phone and leave it in the exactly the same place on my desk with exactly the same settings (sync intervals etc) and i kill all apps before i leave it just to make sure the test is fair.
In the morning i then take a screen shot of the battery life over the period of usually 8 hours and will upload this for you to see. I then look at the over-night battery drain as a comparison on how good battery life is on specific roms and kernels.
Justification - Many of you may be thinking who cares about standby battery life? I care about the battery when im using it!?
Well although that's valid there are many reasons i have taken this approach;
1. It is completely fair i.e. no individual differences such as 'im a heavy user' but we all have different definitions of a 'heavy user'. This is eliminated by the fact the phone is not used and thus the same every time (no individual differences)
2. If a phone has severe battery drain during sleep general knowledge should dictate that battery drain should increase when the screen is on, cpu is working and your syncing your facebook wall, thus a direct correlation with sleep battery drain and usage drain should be apparent.
Therefore i have decided over the next few days/weeks etc i will upload on a regular basis a screenshot of the battery drain over night, along with the battery use details and screen on time etc etc. In addition to the rom and kernel info and i hope that over time this proves to be a very useful thread.
I have been doing this over the last few days on a less strict system and there have been some VERY interesting results which i will upload over the next few days.
(Just a final note iv never really done anything like this on xda before so if its a stupid idea then please tell me now so i dont waste my time doing it, however if people are really interested please let me know and il make sure i do my best!!)
Thanks for reading my extremely long post!
Bratfink
SCREENSHOT 1: This was using modacos custom rom r10 and the kernel that comes with it, i had quite a short sleep (about 6 hours) but the curve pretty much shows what the point im trying to make is. The battery life is great!!
If anyone wants me to test specific combos please let me know.
Click to expand...
Click to collapse
Sent from my Dell Streak using XDA App
I'd be interested in seeing CM7, just whatever nightly build you manage to catch.
I don't think that result will give you precise result.
I found that statistic is wrong sometimes.
It is better to measure using "play video loop".
So, find a movie, set to the same brightness and play in loop?
gogol said:
I don't think that result will give you precise result.
I found that statistic is wrong sometimes.
It is better to measure using "play video loop".
So, find a movie, set to the same brightness and play in loop?
Click to expand...
Click to collapse
Unfortunately that will not give you how well the rom does while it is idle.
I'm really looking forward to your results. My only issue with this phone is the battery life is terrible. I ordered an extended battery off Ebay 3 weeks ago and have yet to receive it. Never ordering anything from Hong Kong again!
Fuse8499 said:
I'm really looking forward to your results. My only issue with this phone is the battery life is terrible. I ordered an extended battery off Ebay 3 weeks ago and have yet to receive it. Never ordering anything from Hong Kong again!
Click to expand...
Click to collapse
What were you using before that you consider this phone to have bad battery life? By far this phone has the best battery life of any Android device I've owned. If you want bad battery life, get an Evo. That is horrific battery life.
bratfink said:
Uploading pictures of modaco r10 with it's own original kernel today. Its an interesting result!
Sent from my Nexus S using XDA App
Uploaded to OP
Click to expand...
Click to collapse
I am looking forward to the rest of these, however just a quick question. What was your battery use like in that situation with the stock ROM? Just for reference, because I'm thinking I might switch to modaco soon. Thanks!
More soon
Iv got a few more screenies but it seems i may have to end this thread prematurely. Its the SNS or 2.3 but idle battery usage for me is pretty much identical no matter what the kernel or rom (il upload a CM7 + Netarchy 1.2.1 shot top op). This was unexpected on my behalf because with my DHD kernels and roms had a big impact on idle battery consumption. I have noticed however that without a full wipe when changing some kernels such as with M r10 idle battery life can increase drastically. I will continue for the next few days and if i dont see any big changes i may move method to a video loop or something of the sort.
Interesting find
I found out something today that may interest may of you. I was messing around with the sleep profiles on SetCpu with netarchys kernel and i found that its better to leave the range from 100-800 than 100-400 or less. This i believe is because when the phone is asleep and carries out a process it will be forced to clock to the maximum of 400mhz and then stay at that speed for 10 seconds, instead of say going up to 800mhz for 1-2 seconds to complete the same process. So a tip to you would be set your profile to 100-800mhz conservative and see what you get!
bratfink said:
I found out something today that may interest may of you. I was messing around with the sleep profiles on SetCpu with netarchys kernel and i found that its better to leave the range from 100-800 than 100-400 or less. This i believe is because when the phone is asleep and carries out a process it will be forced to clock to the maximum of 400mhz and then stay at that speed for 10 seconds, instead of say going up to 800mhz for 1-2 seconds to complete the same process. So a tip to you would be set your profile to 100-800mhz conservative and see what you get!
Click to expand...
Click to collapse
This kinda enforces the point that SetCPU is useless for the NS unless you really want to overclock...
Any battery saving tactics used buy lowering screen off profiles are counteracted by the system process;( So i think in the context of battery life you are probably better to not use SetCPU
JD
bratfink said:
Iv got a few more screenies but it seems i may have to end this thread prematurely. Its the SNS or 2.3 but idle battery usage for me is pretty much identical no matter what the kernel or rom (il upload a CM7 + Netarchy 1.2.1 shot top op). This was unexpected on my behalf because with my DHD kernels and roms had a big impact on idle battery consumption. I have noticed however that without a full wipe when changing some kernels such as with M r10 idle battery life can increase drastically. I will continue for the next few days and if i dont see any big changes i may move method to a video loop or something of the sort.
Click to expand...
Click to collapse
I would definitely move to a video loop or some other 'heavy use' task because when you think about it, not too much can really be changed when almost no power is being used in the first place.
You could also just mention your general feeling for the battery life of each rom, because quite often that is what I go by as my usage varies depending on a range of things (school day or weekend etc) .
Sent from my Nexus S using XDA App
Could you please test modaco r10 with Netarchy's latest 1.2.1 kernel ?
I would love to see the difference between modaco's default kernel vs netarchy's kernel.
On CM nightly 13, I just went 11 hours and I'm at 90%. That's 1/2% an hour. Not bad. That is with stock kernel.
Sent from my Nexus S using Tapatalk

The saga of the GS2 and the iPhone 4

I bought a SG2 some time ago and loved it except for the idle battery drain. For the life of me, I couldn't seem to get it to stop chewing battery when it wasn't being used. I even tested it by charging it to full and leaving it overnight. It lost about 20%.
Remembering that the iPhone 4 had excellent idle battery life, I decided to give it another go just for the hell of it. I hate iOS as a daily driver, but I figured at least I wouldn't have to worry about battery life.
These are my observations:
1) Idle time on iPhone 4 is indeed better. When it's not being used, it uses no battery. However, when being used heavily, the SG2 actually seems to get BETTER battery life than iPhone 4 when it is being used heavily. Not sure why.
2) I severely miss being able to send/upload high quality videos and pictures. I hate the restrictions that Apple places on file size. I don't always have wifi readily available and at least with Android, you can upload large videos to Youtube over the cell connection.
3) I miss the integration in the photo album with social services. It's annoying having to launch an app every time I want to upload a picture/video.
4) The camera on the SG2 is definitely better. You get more fine detail on objects that are further away, no doubt due to the higher megapixel count.
5) I think most apps on iOS look better and are more functional, but the problem is, you have to launch an app to do anything in iOS.
I really wish Samsung (and maybe Google in general) could solve the idle battery drain. Losing 20% over 8 hours without even using the phone seems rather high when you factor in that you'll be losing that battery life whether you use the phone or not. Theoretically, this should mean that the iPhone would get better battery life with the same use, but I'm not finding that to be the case so far. I will probably be going back to my SG2 very soon.
Sorry for the long-winded post. Just wanted to collect my thoughts and present my personal findings.
U r right about battery consumption .
But i m sure Android is going to be so much improved and vast in features that we cant compare to any os in the world in future.
Biggest plus of Android is community like this and the freedom to change things inside it.
agree on most of the things u said there
but
when it comes to battery life i have no idea why its soo random with some people
i lose about 1% an hour on KE2
(stock was on the phone when i bought it no root )
but since i installed KF3
i lose about 2% an hour
rooted flashed from odin
I must have responded to 10+ questions on this forum in the last 24 hours as regards battery drain, i get 25+ hours on my GS2, if you search on here you will find many tips that will substantially increase your battery life.
check the new kernel ninephetamine. Have used the modified 1.4v (with deep sleep enabled).....promising results with undervolting.
Currently OC 1400, and undervolted.
Simple Answer
Iphone does not loose batter on idle cause it puts all apps to sleep state if not used for a while
Android phones in general are always using data for like your emails, facebook, etc if you have set the apps to connect say every hour or so
IF you leave WIFI on it takes up battery as well
I am quiet happy with my SGS2 ( 12 -15 hours ) heavy usage and I am used to daily charging. and its just the day time hours unlike people who may be posting their night time hours as well which add anything form 8-16 more
jonny68 said:
I must have responded to 10+ questions on this forum in the last 24 hours as regards battery drain, i get 25+ hours on my GS2, if you search on here you will find many tips that will substantially increase your battery life.
Click to expand...
Click to collapse
I'm not interested in disabling everything that makes Android what it is. If I have to modify it to the point that it's an iPhone, I might as well use an iPhone. I'm well aware of battery saving tips for Android. They almost always involve shutting down all automated services and anything that retrieves data. This is not a solution. I have some e-mail accounts on periodic pull and the most important ones on push. On the iPhone, I have all e-mail accounts on Push.
I also don't particularly want to use a custom ROM. I prefer to stay stock.
I'm not getting horrible battery life on my SG2. In fact, I get around 15 hours with the same kind of use as that on the iPhone 4. I would just like to be able to set the phone down for several hours and not lose a quarter of the battery.
i have tried every single battery optimisation and calibration tricks on my Android phones. My first Android phone was a htc hero, second SE X10 and Now Galaxy S2.
All the optimisation and stuff works if you sacrifice something on your phone. i like my display to be sharp and easy to see. I want my email notification to be prompt and so many other things.
I used to be Windows mobile user my last handset was Toshiba TG01. i never ever had any battery issue.
It is to do with Android system, it needs to improve. it has all the pace now and so many chances.
if this roumor is true then IOS will shrink sooner than 2015:
http://www.mobilechoiceuk.com/News/iPhone+5+delayed+until+2012?/5990
Why my Lamborghini needs more fuel than my Fiat Panda? I can't understand. Crappy Lamborghini, back on Panda.
Well if riding the Panda can get me through the jungle instead of half of it, why not?
Also, the Panda can get me more food via the App Store.
Granted though the Lamborghini has alot more fancy features and doesnt have mindless sheep following it
Anyway, coming from an SGS1, then an iPhone4, I heartily agree with the OP. Android is awesome but it's still rough around the edges. Sometimes the ease and boring simplicity of IOS is something that I miss, along with the Apps and definitely the games which Android is sorely lacking.
But then again I'd be reminded of steve and his itunes bloatware. ugh
Yes, but when Lamborghini is parked it should use the same as the Panda! (I.e. zero.)
Google really should minimise the stuff going on when the phone is idle. Google also needs to do something about all these rouge apps that always start up services that always run in the background. They should provide some way of limiting/stopping the CPU usage of apps running in the background.
Even the official XDA forum app still servers up adverts in the background eating up your battery (and bandwidth) if you press home instead of backup to exit.
wifi sharing is a bit of a bug that drains battery like crazy. If your not rooted thats definitely the screen off battery drain for sure. If there was a reason to root, just root to freeze that one rogue app.
codeworkx said:
Why my Lamborghini needs more fuel than my Fiat Panda? I can't understand. Crappy Lamborghini, back on Panda.
Click to expand...
Click to collapse
LOL I like ur metaphor.. but at least give something better than Panda hahaha
Nope, the wifi sharing bug has now been fixed by Samsung in the stock KF3 release available via Kies.
greyhulk said:
I'm not interested in disabling everything that makes Android what it is. If I have to modify it to the point that it's an iPhone, I might as well use an iPhone. I'm well aware of battery saving tips for Android. They almost always involve shutting down all automated services and anything that retrieves data. This is not a solution. I have some e-mail accounts on periodic pull and the most important ones on push. On the iPhone, I have all e-mail accounts on Push.
I also don't particularly want to use a custom ROM. I prefer to stay stock.
I'm not getting horrible battery life on my SG2. In fact, I get around 15 hours with the same kind of use as that on the iPhone 4. I would just like to be able to set the phone down for several hours and not lose a quarter of the battery.
Click to expand...
Click to collapse
But most of the stuff is pretty useless anyway all this Samsung bloatware is guaranteed to drain your battery, i don't see it as sacrifcying anything, ive got email on push and i still get over 25+ hours battery,i used an iPhone 4 for a few weeks and id be lucky to get 16 hours with medium to heavy usage.
My data is always enabled too, you can save a lot of battery if you use apps like Juice defender plus and system panel will also tell you which apps,etc are using up more than others.
At the end of the day smartphones are always going to use up much more battery than normal phones and this isn't going to change anytime soon until such time a revoultionary new battery is designed that lasts for days on end.
Until then people have to deal with it,follow the tips and you'll get good battery life, if you want absolutely everything "on at the same time" your simply not going to get it, not on the iPhone 4 or any phone.
blunted09 said:
wifi sharing is a bit of a bug that drains battery like crazy. If your not rooted thats definitely the screen off battery drain for sure. If there was a reason to root, just root to freeze that one rogue app.
Click to expand...
Click to collapse
indeed this is very true.
LouisJB said:
Yes, but when Lamborghini is parked it should use the same as the Panda! (I.e. zero.)
Google really should minimise the stuff going on when the phone is idle. Google also needs to do something about all these rouge apps that always start up services that always run in the background. They should provide some way of limiting/stopping the CPU usage of apps running in the background.
Even the official XDA forum app still servers up adverts in the background eating up your battery (and bandwidth) if you press home instead of backup to exit.
Click to expand...
Click to collapse
It's not parked.
Your Engine is still running on idling mixture.
That's a difference. ;-)
LouisJB said:
Nope, the wifi sharing bug has now been fixed by Samsung in the stock KF3 release available via Kies.
Click to expand...
Click to collapse
Has not been properly addressed. Thats why its not even included in 90% of the custom roms.

Best tips to save some battery juice [easy]

I'm going to make things a little different now. I see a lot of threads here, and the only solution are: don't use X, low down performance, blah blah blah.
I'm going to make a change at your psychological side, or at least try. That's your worse enemy, which will make your battery last shorter.
**First part: testing ROM+Kernel combo
1. Install your ROM, delete the apks you don't need, and make some tweaks you want. Done?
2. Install another kernel.
3. Configure your device by installing your apps and stuff
4. Reboot
5. Test your combo for 1 day!! Only 1-one day.
6. Read second part to see if your battery life is good
**Second part: what should you consider while testing your combo
1. After the one day test [morning to evening], is your battery still working? If yes, you HAVE A GOOD BATTERY LIFE. You shouldn't care about how % the battery is, as long it lasts for the day.
2. If your battery is really going down fast, and it doesn't last till evening
a) Change kernel and try for another day.
b) Use BetterBatteryStats to see if there's something pissing off your battery
c) If you really need this extra juice to make it last till evening, low down ONLY A LITTLE BIT THE PERFORMANCE
3. Is performance good? If yes and your battery lasts or the day, you may now be happy.
4. Is performance bad? If yes, I'm going to say something to you. WHY THE HELL SHOULD ANYONE BUY A FREAKING 1,4GHZ QUAD-CORE **** TO HAVE BAD PERFORMANCE? Increase your performance, and if it's enough to get it alive after you go home, it's enough.
**Third part: things you shouldn't do
1. Don't put the % at status bar. It only makes you paranoic about looking at the battery %
2. NEVER check for available RAM, or battery %, but if the battery icon is going down quickly, make the basic stuff to save juice. Checking RAM and stuff will only make you complain at your ROM/kernel forum, even if it's normal. And don't use task killers, Samsung's task manager, etc. Cleaning memoy will only piss off your battery and cpu.
3. ALWAYS put your phone in the charger before you go sleep. Why would anyone want to make the battery last for 1d or 2d? Bull****, just charge every night, I see no problem by doing that.
4. USE, ABUSE, RAPE THE CRAP OF YOUR PHONE. Your phone is there, and have you think about how you use it? To check for battery % or actually use the phone?
**Observations
1. There's no such thing as miracles for that. Anything can count to change the battery drain: temperature, external temperature, pressure, apps, how you use it, etc...
2. Choose a stable kernel and DON'T undervolt it. Yeah, undervolt can be useful, but makes stability looking like crap.
3. This may be completed later.
Hope I could help some battery freaks here
marcellocord said:
I
**First part: testing ROM+Kernel combo
1. Install your ROM, delete the apks you don't need, and make some tweaks you want. Done?
2. Install another kernel.
3. Configure your device by installing your apps and stuff
4. Reboot
5. Test your combo for 1 day!! Only 1-one day.
>>>>
One day is not even long enough to calibrate the battery on a new rom .
1. After the one day test [morning to evening], is your battery still working? If yes, you HAVE A GOOD BATTERY LIFE. You shouldn't care about how % the battery is, as long it lasts for the day.
STUPID COMMENT .
Why are so many users posting stupid untrue stuff just to lead noobs up the garden path .
jje
Click to expand...
Click to collapse
I know a couple things to help with the battery drainage, from personal experience.
1. GPS, turn it the hell off unless you truly absolutely need it.
2. The Facebook app. One of the biggest battery hogs I know of besides heavy 3D-games.
3. Sync. Why choose to auto-sync? Turn it off and sync only when you feel you have to. Check Gmail manually, manually sync contacts and stuff when you feel it is needed
4. Location services. Might prove useful to some, while to others it drains the battery quicker.
These are the four battery hogs by my experience. You may not think the same.
Theshawty said:
I know a couple things to help with the battery drainage, from personal experience.
1. GPS, turn it the hell off unless you truly absolutely need it.
2. The Facebook app. One of the biggest battery hogs I know of besides heavy 3D-games.
3. Sync. Why choose to auto-sync? Turn it off and sync only when you feel you have to. Check Gmail manually, manually sync contacts and stuff when you feel it is needed
4. Location services. Might prove useful to some, while to others it drains the battery quicker.
These are the four battery hogs by my experience. You may not think the same.
Click to expand...
Click to collapse
GPS is really only on if an app is using it, if you have it on but an app is not using it it will not drain the battery. It's shown under settings battery and it shows GPS using no battery unless an app is using it.
Sent from my GT-I9300 using xda premium
Nice!
Everyone keep their pants on except Chris
Sent from my GT-I9300 using xda app-developers app
Just a Snapple fact. Longest commercial flight possible is 18 hours and that will take you more then halfway around the world. And at the 16 hour point the co pilot is looking at the fuel gage, sweating profusely, and mentally going over his Will.
That does not include layovers. But at that point you have access to outlets.
Now with that out of the way. Lock this shiz.
OP, while others might have not been receptive to your thread you were the first to really start the flaming by name calling. I didn't see anyone calling you a "*****"
I saw people not agreeing with you and voicing that, but you were the one that actually crossed the line with the name calling and such.
Thread closed (and will be cleaned)

Categories

Resources