i ran these through my seat-of-the-pants benchmarks, are there any other for these sorts of apps? , and can't tell any difference. the biggest difference maker that i have noticed is Titanium backup and freezing as many progs as i could and a better launcher.
i tested the phone as it initially came out of the box, removing the apps i could via app manager.
next, i ran it with JDU for ~4 days.
Then i ran Tit backup and froze many more apps and ran the phone with JD for 3-4 days.
then installed Ram Manager Pro and ran for a few days, then uninstalled JD and Ram Manager by itself for a few days
and finally uninstalled both, factory reset my phone, ran Tit Backup freezing everything i wanted and am now running that config for several days.
i can't see any change in battery life or perf between any of these.
what's your experience? did i miss the benefits? is there a more scientific way to test these apps on our phone?
I could be missing something, but my understanding of Ram Manager is that it controls how the cache works (RAM cache that is), aka, how previously opened apps are being handled, how long they stay in ram, or/and how often ram getting cleanup, etc. So theoretically there shouldn't be much of battery improvement with that app, only the performance on common used tasks.
As of Juice Defender, I've tried once, and realized it's not for me, I use push mail and listen pandora radio most of the time, it requires internet all the time. But in theory it should significantly save on battery if you don't use phone every second minute, cause it turns off everything and only turns data one every so often to check email, news, etc.
I guess it depends how you use your phone...
Have you tried SetCPU or such?
I use SetCPU to change CPU frequency, set min to 190mhz and max to 1500mhz, and max to 190 when screen off, yesterday with minimum phone usage in 7 hours used up 15%
And I wonder, by default, does Nitro set CPU to max and keep it that way or it also uses scheduling and changes speed as needed?
But I can tell you for sure, the network (HSPA+ here) usage uses as much battery as the screen, if not more...and network through WiFi saves on battery compare to HSPA.
[email protected] said:
I could be missing something, but my understanding of Ram Manager is that it controls how the cache works (RAM cache that is), aka, how previously opened apps are being handled, how long they stay in ram, or/and how often ram getting cleanup, etc. So theoretically there shouldn't be much of battery improvement with that app, only the performance on common used tasks.
As of Juice Defender, I've tried once, and realized it's not for me, I use push mail and listen pandora radio most of the time, it requires internet all the time. But in theory it should significantly save on battery if you don't use phone every second minute, cause it turns off everything and only turns data one every so often to check email, news, etc.
I guess it depends how you use your phone...
Have you tried SetCPU or such?
I use SetCPU to change CPU frequency, set min to 190mhz and max to 1500mhz, and max to 190 when screen off, yesterday with minimum phone usage in 7 hours used up 15%
And I wonder, by default, does Nitro set CPU to max and keep it that way or it also uses scheduling and changes speed as needed?
But I can tell you for sure, the network (HSPA+ here) usage uses as much battery as the screen, if not more...and network through WiFi saves on battery compare to HSPA.
Click to expand...
Click to collapse
that's my understanding of Ram Manager as well. but i didn't notice any perf changes in how fast apps open, close or switch v a Titannium freezing showing good results imo for that sort of thing.
i listen to slacker/pandora but it's mostly via wi-fi, so i was able to configure JD to keep the wifi on and turn off all the other radios but that didn't seem to provide me any benefits.
i have not tried setcpu but will def check it out, thx for the heads-up on that one.
re: network, it doesn't even show as a battery drain on this phone and i am in an LTE area, the 4glte status signal is always on. i was under the impression it was a massive drain, maybe the phone searching for a lte signal is the drain but once it finds one and locks on maybe it settles down. i have no idea but it's not on the list of what's using the battery.
Ram Manager Pro has several settings (Balanced, Balanced-More Mem, Hardcore Gaming, etc...). Did you try any of the others? For me I noticed improvement, but perhaps it's also because of the way I use my phone and that Ram Manager is more suited to my ways and habits... Or maybe it's just placebo and I'm drinking the kool-aid.
For Juice Defender Ultimate, I will say probably one of its' biggest capabilities is locking down the apps that turn on the radio for background updates. A definite battery drain for folks that use a lot of social apps as they compound the use of background updates. I personally turn-off ALL background updates except for mail. So JDU wouldn't tremendously help me.
Lastly, I completely agree with [email protected] about SetCPU. I don't know how the OS handles the frequencies but one of the biggest battery savers is definitely using SetCPU for dropping the min/max CPU speeds to minimum levels when the phone is sleeping.
I installed setCPU and it instantly created a laggy interface. very very noticeable. HAs anybody else tried this app with this phone?
Had this same problem. I actually switched of all apps. The phone on idle does not loose that much juice. Overnight I maybe loose 8-10%. I turn data off at night using Tasker.
Sent from my LG-P930 using xda premium
update
I've still been farting around with these apps, going back & forth between using them and not.
best I can tell ROM manager provides ~5% increase in ROM management, which is pretty good for a couple bucks eh.
JD is so much harder to gauge/compare. I think it does defend the juice but I can't tell how much. The one thing I do not get about the app is how it continues to show increased battery savings over the previous 48 hours. I can see how this works when the app is 1st installed but at some point over time that number should = 1 right? JD can't keep stretching battery life 1.5x over its own management system.
scott0,
You're right, unless there's some heuristics built in (probably not).
Sent from my LG-P930 using xda premium
Anyone using a good stats widget that would show mhz of cpu/baterry/ram?
Something light that would not eat battery. I used the one that came with antutu cpu master but that caused more problems.
Sent from my LG-P930 using Tapatalk
Just out of curiosity, do you have to be rooted to use Juice Defender? When I select the app in the market it tells me "This item isn't available by your carrier."
Are they telling me that AT&T has blocked a power saving app?
Related
Hi,
If you want to know how long your battery life will last when:
- Idle on 2G/EDGE
- Idle on 3G
- Idle on WiFi
- Browsing on EDGE/3G/WiFi
- etc.
What cost battery life the most?
You will learn that "waking up app for doing nothing" will cost you heavily on battery life.
Things like checking email while you have no new email, checking weather while you got the same result, or getting data online while you are not connected to the network.
And so on ...
Sit tight and watch this:
http://code.google.com/events/io/2009/sessions/CodingLifeBatteryLife.html
This special session from Google IO in the past CupCake era explained in detail, with measurements about almost every aspects of the phone that drain the battery.
Interesting enough that IDLE on 2G vs IDLE on 3G will cost you almost the same. And browsing in 3G is more efficient. So, in this respect, I think it is not necessary to set to 2G as most people said for auto-syncing.
At home, use WiFi, because it is more efficient for web browsing.
Choosing and planning your sync and widget will make big different on battery life!
Watch it your-self and share your thought.
i've just removed advanced task killer app, and seriously battery lif is like amazing normally by now i would be at around 50% i'm at 70% and have been using it more like 2 phone calls i normally don't make any and a tiny bit of browsing but that certainly improved it
slaming said:
i've just removed advanced task killer app, and seriously battery lif is like amazing normally by now i would be at around 50% i'm at 70% and have been using it more like 2 phone calls i normally don't make any and a tiny bit of browsing but that certainly improved it
Click to expand...
Click to collapse
So your saying advanced task killer is draining battery? Even when its not running ni the background. It can kill itself along with killing apps, so it shoul dnot constitute ANY drain on the battery when not running in the background.
Here what I experienced:
First of all, my phone settings:
- WiFi OFF (on when needed)
- Mobile network OFF (on when needed)
- Always on OFF
- Background data ON
- Auto sync OFF
- GPS OFF
- Bluetooth OFF
- 10% brightness (yes, my eyes is happy with that, seriously!)
- Using HTC "black" wallpaper
One day, I played around with killing tasks, not brutally killing, but just some of them like RADIO, MARKET, etc. Selectively killing.
Then I watched my battery usage, it drain quite a bit like 3% after 1 or 2 hours. I meant, it was really different compared to the other day when I did not touch task killer.
Today, I unplugged at 8:00 AM ... 100%
Now, 15:00 ... still 98% (after 7 hours!).
During that time, I played around a bit with Market via WiFi and SMS, no phone call.
Seriously, I got different result when using and not using task killer.
Try it yourself
mcgon1979 said:
So your saying advanced task killer is draining battery? Even when its not running ni the background. It can kill itself along with killing apps, so it shoul dnot constitute ANY drain on the battery when not running in the background.
Click to expand...
Click to collapse
mcgon1979 said:
So your saying advanced task killer is draining battery? Even when its not running ni the background. It can kill itself along with killing apps, so it shoul dnot constitute ANY drain on the battery when not running in the background.
Click to expand...
Click to collapse
yep plus i'd normally i don't have bluetooth and i forgot to turn it off today afer using my blutooth headphones, and still at 70% yeasterday it would have been dead by now and i didn't even use task killer to kill apps. maybe advanced task killer stops apps being killed by the android system.
mcgon1979 said:
So your saying advanced task killer is draining battery? Even when its not running ni the background. It can kill itself along with killing apps, so it shoul dnot constitute ANY drain on the battery when not running in the background.
Click to expand...
Click to collapse
I find this one a strange (what seems to be) fallacy when coming to Android 2.x. When I got my Desire, the first thing I got was a task killer. Then, a widget to let me know hom much RAM I have left. When it got low, I used the TK to do it's job and free up some RAM.
But the permeating fallacy seems to be that a TK is needed. But it seems people are finding out, time and time again that it's not. And as people here are finding, it's detrimental. And after not using my TK for a while, I found out that though the RAM can get low, Android will do it's thing in the background and I never notice low RAM in my daily operation.
Some people on another forum put me onto some info sources that explained why TKs can make your battery life shorter. In short, they can kill tasks which have scripts that will respawn, thus causing higher CPU usage and draining battery a little bit quicker.
There were other reasons but I can't remember them right now. People should really let people know and educate them (including some popular websites like AndroidCentral.com that I like) that it's not necesary and actually a waste. (Though I use mine for doing things like file management, installing and uninstalling, but not task killing.)
I watched most of that video that was kindly posted. And if I get this correctly (please correct me if I haven't), when I'm in wifi range, I'd be better off leaving that on to do data transfer as there is a negligable passive battery consumption over 3G and 2G, but a saving when transfering data which grows as the data transfer grows.
But then wifi should be turned off when leaving the wifi area, as like 3G, it drains the battery to have it searching.
Since I'll be in a wifi zone for most of tomorrow, I'm curious if I can get through a full day with wifi left on...
what makes me wonder is if i go to the market, search for something then i go to browser for couple minutes and then go back to the home screen, will the market and browser use the 3g/h/g in the background?
sorry if the answer for this is in the video but do not have time to watch it right now.
It's been said many times that Task killers are not necessary on Android phones and that their use will almost always result in worse battery life and reduced performance.
I used to have two HTC Heros and proved pretty conclusively that the above was true by running a task killer on one but having the same apps. on both. I even reversed things in case the battery was better on one of the devices.
You will never convince some people though. It they want worse battery life and performance surely that is their choice.
I know I will never again put a task killer on an Android device.
I'm running my tmo G2 on cm7 clocked at 1.2, wtih a off screen profile. I don't have many apps syncing, but the ones that are are syncing at least every 2 hours. My cell standby is taking a huge chunk. How can I prevent that? My battery life seems to be terrible, and my percentages can drop enourmously in only a matter of twenty mintues. What causes cell standby? Any ideas?
Sent from my HTC Vision using XDA Premium App
Hey,
Cell standby is the time that your phone spends on screen off while being connected to the cell network. Try flashing a newer/updated radio and see if that helps improve your power management by the wireless cell signal.
How do I know what radio to flash and how do I do it? Thanks for your reponse.
Sent from my HTC Vision using XDA Premium App
PatrickHuey said:
How do I know what radio to flash and how do I do it? Thanks for your reponse.
Sent from my HTC Vision using XDA Premium App
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=970809
Theres a pretty useful (although not necessarily perfectly complete) list of radios.
To install, follow the guide there. Basically just download the file, rename it to 'PC10IMG.zip', put on the root of your SD card and boot into the bootloader (NOT CWM Recovery). and it will recognize the .zip and accept the update and let it install. Be sure to note before you do this what radio you're currently on and make sure there is a download available so you can go back to it if need be.
Before you do this, its best to look at all other options to see what could be draining battery such as wonky apps, or unused radio connections, or wakelock issues.
Fwiw, I'm on CM7 too and my 'Cell Standby' is generally in the 30%-40% range in my battery stats, but I get very respectable battery life. You should look into other causes of your battery life as well before just jumping into new radios.
You need to set more profiles with setcpu. Low battery is a good one but, yeah u need the newest radio. Also need taskiller. Auto kill while phone is off. My battery life is supreme
G2 w/ meXdroidMod GingerMex Ghost Chilli
GhostZini said:
You need to set more profiles with setcpu. Low battery is a good one but, yeah u need the newest radio. Also need taskiller. Auto kill while phone is off. My battery life is supreme
G2 w/ meXdroidMod GingerMex Ghost Chilli
Click to expand...
Click to collapse
Don't recommend task killers. They're worse for battery and performance, especially in 2.3 (GB has good RAM management), than not running them. They spam kill necessary tasks and don't let background processes properly run out.
If you want to weed out the rogue processes, download Watchdog Lite and see which processes are using the most CPU and RAM and try getting rid of the bad ones.
You must be kidding. I use Taskiller, and its golden. My phone is fast, no lag, and everything works speedy when i need it. It autokills what i want when phone sleeps, has kill button widget to kill things constantly tryin to run. You freaking crazy.
G2 w/ meXdroidMod GingerMex Ghost Chilli
I had my phone running all day at 1.2ghz and used it heavily from 7am-3pm at work and because of setcpu profiles and my taskiller, i never dipped below 40% range. You need to check yo facts about this ish.
G2 w/ meXdroidMod GingerMex Ghost Chilli
GhostZini said:
I had my phone running all day at 1.2ghz and used it heavily from 7am-3pm at work and because of setcpu profiles and my taskiller, i never dipped below 40% range. You need to check yo facts about this ish.
G2 w/ meXdroidMod GingerMex Ghost Chilli
Click to expand...
Click to collapse
You need to settle down. Your claims of battery life with "heavy usage" are susceptible to an unquantifiable number of variables other than task killer usage.
There is no reason to use a task killer with 2.3, I don't think you'll find anyone familiar with how 2.3 operates that thinks a task killer is better. I haven't seen a person promoting task killers heavily since 2.1.
I think that everyone has their own way of setting up their phone, and whatever works for you works for you, but I don't think that a task killer is the way to fix OP's issue. Identifying problem apps etc is.
How can you argue that the processes that run in the background shouldn't be killed. They are a constant drain on power levels.
G2 w/ meXdroidMod GingerMex Ghost Chilli
GhostZini said:
How can you argue that the processes that run in the background shouldn't be killed. They are a constant drain on power levels.
G2 w/ meXdroidMod GingerMex Ghost Chilli
Click to expand...
Click to collapse
I think El Goog can argue better: http://android-developers.blogspot.com/2010/04/multitasking-android-way.html
Sure Task killers give you the sense that you are controlling the variables, but what's to say that those apps don't start again without you knowing? Android was built with this in mind and rather than allowing the processes to keep running, they are placed in a low level state of hibernation until required. They are ultimately killed off automatically when Android calls for it. It's really down to personal preference and there really isn't a need to get so defensive about it. It's just the way it was designed.
@OP: Give us a list of the apps that you have installed since observing your battery limitations. Perhaps there is an app in there that you use that is set up slightly incorrect or is a known resource hog.
i agree taskillers should be used.. but i do also agree some apps run inthe background or stay running when you exit them or don't fully exit. this is why i use fast reboot. basically kills all the apps.. with cm7 i actually have fast beboot for long press on my search button.. since i never really use my search button.. works like a charm. when im done playin a game, interet or facebook mostly i'll use it to kill everything.. works great. and also if you don't use 3g\4g then you'll notice battery life is amazing.. i have an extended battery chichi one, and dont use 3g.. i get off work, texting all day and have beluga up and open all day.. about an half hour of browsin internet. 30\60 minute of calling.. and i usaually am around 60 at the end of the day on the worst... just my 2cents.
Task killers may seem like they do their job, but these newer versions of android have a built in task killer. Just Google it and get your answer. This is a good discussion though. I mean what else is sugghested? I don't believe I have stuff runnikg in the background. What are some your guys profiles? Or tips?
Sent from my HTC Vision using XDA Premium App
I've got the usual. I mean I use plume and that syncs every 2 hours. I have lookout running in the background without GPS on. So I don't think that it could be. Beautiful Widgets syncs every 3 hours for weather. The battery is just consumed by the cell standby. I want to decrease that.
Sent from my HTC Vision using XDA Premium App
Athrun88 said:
I think El Goog can argue better: http://android-developers.blogspot.com/2010/04/multitasking-android-way.html
Sure Task killers give you the sense that you are controlling the variables, but what's to say that those apps don't start again without you knowing? Android was built with this in mind and rather than allowing the processes to keep running, they are placed in a low level state of hibernation until required. They are ultimately killed off automatically when Android calls for it. It's really down to personal preference and there really isn't a need to get so defensive about it. It's just the way it was designed.
Click to expand...
Click to collapse
Thanks for supporting my theory with the link. Exactly what I needed. I do agree he needs to not be so defensive about it lol.
Task killers use up RAM and CPU to sit there and spam kill apps that keep restarting. They will keep restarting because they are trying to finish tasks they're assigned to do. If you just let them finish running, they will complete the process, and sit in RAM, no longer using CPU. At idle, my background processes are using 1% of my CPU and I have 75% of my RAM available. There is no need to run a task killer to stop processes. I used to be an avid task killer user, until I realized that it is causing more harm than good.
PatrickHuey said:
I've got the usual. I mean I use plume and that syncs every 2 hours. I have lookout running in the background without GPS on. So I don't think that it could be. Beautiful Widgets syncs every 3 hours for weather. The battery is just consumed by the cell standby. I want to decrease that.
Click to expand...
Click to collapse
So what kinda numbers are you talking about here? How much battery is cell standby taking up? and how are your battery life numbers with a normal day's use?
The only thing I could generally recommend without knowing more is dropping your clock down to 1ghz. I use these profiles:
Battery <100% 1017 max / 245 min ondemand
Battery <10% 768 max /245 min conservative
Battery <5% 368 max / 245 min powersave
Screen Off 368 max / 245 min ondemand (I sometimes have wakeup issues if I set to 245max or use the powersave scaling)
Temp > 42*C 768 max /245 min (necessary for any OC I think, good to stop your phone if its getting towards overheating)
Also, using a standard screen brightness lower than 100%, or just autobrightness can help. The best way to cut down on cell usage is an app like Juice Defender, which turns off your 3G data when the screen is off (and enables every 15min (or less/more) for updating). This is really useful if you don't turn your phone on/off every 1min like I do for text messages (turning data on/off often causes more drain than just leaving it on). Unfortunately, Juice Defender isn't updated to work on 2.3 yet .
PatrickHuey said:
I mean what else is sugghested? I don't believe I have stuff runnikg in the background. What are some your guys profiles? Or tips?
Click to expand...
Click to collapse
Honestly, it's trial and error. Try underclocking back to 800MHz if you have OCed and see if that helps at all. If it is in fact just cell standby that is sucking your power dry, then backup your phone with NANDroid and get the latest radio. Flashing radios are less complicated than ROMs since it is easy to flash an older one over a newer one if you change your mind.
I believe a list of radios was posted earlier but I will try to track down a larger list for you.
Good luck!
Athrun88 said:
Honestly, it's trial and error. Try underclocking back to 800MHz if you have OCed and see if that helps at all. If it is in fact just cell standby that is sucking your power dry, then backup your phone with NANDroid and get the latest radio. Flashing radios are less complicated than ROMs since it is easy to flash an older one over a newer one if you change your mind.
I believe a list of radios was posted earlier but I will try to track down a larger list for you.
Click to expand...
Click to collapse
Partially true.
Nandroid backups don't backup your radio, only your ROM. Flashing your radio is completely independent.
But yes, it is easy to flash back and forth between radios. Just be careful that you flash proper radios and have an escape plan to go back to your previous one (aka have your old one in a flashable form also) in case the new one doesn't work.
Here's a list of radios for the G2 I recently used: RADIOS. But as I said before, I think there can be other issues other than radios at play here.
RAM will use the same amount of power regardless if it is 100% full or 5% full. Task killers are useless, linux can manage its own memory just fine.
daganb said:
RAM will use the same amount of power regardless if it is 100% full or 5% full. Task killers are useless, linux can manage its own memory just fine.
Click to expand...
Click to collapse
Exactly. The link previously posted explains it pretty well, but here is another good one:
http://geekfor.me/faq/you-shouldnt-be-using-a-task-killer-with-android/
Keeping processes in memory is not going to kill your battery life. But I would think that using up CPU cycles to kill the process unnecessarily, only to have it respawn (more CPU cycles) would actually consume more battery then if you left it alone.
I haven't seen any convincing argument that 3rd party task killers should be used (and solid arguments against them). They are mostly just a vehicle for the developers to take your money.
martonikaj said:
Partially true.
Nandroid backups don't backup your radio, only your ROM. Flashing your radio is completely independent.
But yes, it is easy to flash back and forth between radios. Just be careful that you flash proper radios and have an escape plan to go back to your previous one (aka have your old one in a flashable form also) in case the new one doesn't work.
Here's a list of radios for the G2 I recently used: RADIOS. But as I said before, I think there can be other issues other than radios at play here.
Click to expand...
Click to collapse
Ahh, I didn't know that! Learning something every day
I've had this battery for several months now and I'm just now starting to wonder why my battery life is so abysmal as compared to others with it. It'll probably last around 18-20 hours a day with about a half hour of music playing through Winamp, JuiceDefender, Lookout, and Tasker running constantly, an 100-800 core clock, and low brightness.
Somehow, I think I should be getting better battery life. It has been similar to this regardless of what ROM I use.
Do you all think it's the battery or just the phone?
Obviously, I'm unable to return it. I would just like to know what others think.
Kanojo said:
I've had this battery for several months now and I'm just now starting to wonder why my battery life is so abysmal as compared to others with it. It'll probably last around 18-20 hours a day with about a half hour of music playing through Winamp, JuiceDefender, Lookout, and Tasker running constantly, an 100-800 core clock, and low brightness.
Somehow, I think I should be getting better battery life. It has been similar to this regardless of what ROM I use.
Do you all think it's the battery or just the phone?
Obviously, I'm unable to return it. I would just like to know what others think.
Click to expand...
Click to collapse
POSSIBLE ISSUES:
(Answering these yourself should help pin point the problem just by re-reading your own answers)
- How "old" is the battery?
- What are your min/max CPU frequencies?
- What services are running in the background?
- Did you have this problem on the stock battery?
- What app do you mainly use?
- Does that app drain battery?
Kanojo said:
It'll probably last around 18-20 hours a day with about a half hour of music playing through Winamp, JuiceDefender, Lookout, and Tasker running constantly, an 100-800 core clock, and low brightness.
Click to expand...
Click to collapse
With optimal settings and unnecessary ram hogging apps removed, you should be able to get more hours than that on the original battery half the size.
JuiceDefender should be unnecessary and I found it to inhibit me more than it proved useful.
Lookout is neat, and I do like it, but as I don't see a huge need for it I don't have it installed.
My personal favorite task killer is Advanced Task Killer which I use to cleanup my phone before locking it, you know, close the various apps I just opened . However, I have disallowed it from auto-killing, as this has proved detrimental and in vain when services killed generally immediately restart themselves and consume less battery than the auto killing program attempting to kill them.
A good check on certain apps is to go to Manage Applications under Settings and check your running apps. About 1-2 minutes after a good task kill, check to see which apps have restarted. If any you recognize are running that you didn't start, you may consider removing them. Especially anything that tries to access location services.
Edit: Almost forgot, I don't use any widgets except for Task Killer and Power Control. All others drained more battery than I cared for, and this I tested extensively.
Hi all,
This is my 2nd droid, first was the awesome dezire-z and now this.
Since cyanogenmod for this is not official, which is my favourite to make 2 days out of these post nokia smartphones, I thaught i'd play a bit with it.
Just fyi, I like having a phone that gives me a 2 day (morning to night, 36-40 hrs) battery with moderate use. When I had those goodo'l nokia n/e series, I never had to worry about charging...
Anyways, if you want to try this, here's what you need:
Root (ofcourse),
Titanium backup,
Ram manager,
Set cpu,
Log watcher,
Juice Defender,
Patience (a lot)
My set cpu is @1026mhz-192mhz, conservative, (adv) up%-75, down% 25, freq step - 5
Screen off - 432-192mhz, conservative highest priority
Batt <30% - 702-192mhz conservative
Charger ac - 1512-192mhz, on demand lowest priority
Ram manager - balanced multitasking
Titanium backup - frozen almost everything I don't use. I freeze some, use it for couple of days, monitoring with log watcher if I see any fc and defrost apps accordingly.
Frozen - accuweather, allShare, Ap mobile, Asphalt, Backup, Bilo, Bluetooth test, Bonus Apps, Calender, Customize Homescreen, Days, Digital Clock, Dual Clock, Email 3.*, Email 1.*, Home Screen test, IM 1.0, Kies Air, Kies wifi, kobo, Media hub, microbes, mini paper, more for me, My account 2.*, photo editor, polaris office, pro apps, Slacker, SNS*, Social Hub*, T-Mobile*, Tags, TeleNav, Video chat, Voice Command, Yahoo finance, Zinio reader
Couple more packages are there, but its risky beyond this point.
Juice Defender ultimate - advance, mobile data, bluetooth and wifi enabled, wifi preferred, autosync - ping, bt disable timoout - 5 min, bt enable on call, added my bose bt1 as configured devices, Screen - enable connectivity when screen is on, traffic - enabled, apps - disabled, location - enabled
If anybody can suggest other utils/pieces that may be useful to squize out batt life, please let me know.
Finally, thanks for this forum. This was and still is the most helpful for any of my droid queries.
Sent from my SGH-T989
bivasdas said:
Hi all,
This is my 2nd droid, first was the awesome dezire-z and now this.
Since cyanogenmod for this is not official, which is my favourite to make 2 days out of these post nokia smartphones, I thaught i'd play a bit with it.
Just fyi, I like having a phone that gives me a 2 day (morning to night, 36-40 hrs) battery with moderate use. When I had those goodo'l nokia n/e series, I never had to worry about charging...
Anyways, if you want to try this, here's what you need:
Root (ofcourse),
Titanium backup,
Ram manager,
Set cpu,
Log watcher,
Patience (a lot)
My set cpu is @1026mhz-192mhz, conservative, (adv) up%-75, down% 25, freq step - 5
Screen off - 400-192mhz, conservative highest priority
Batt <30% - 700-192mhz conservative
Charger ac - 1500-192mhz, on demand lowest priority
Ram manager - balanced multitasking
Titanium backup - frozen almost everything I don't use. I freeze some, use it for couple of days, monitoring with log watcher if I see any fc and defrost apps accordingly.
I'll update my frozen list later, if anybody wants to try that.
If anybody can suggest other utils/pieces that may be useful to squize out batt life, please let me know.
Finally, thanks for this forum. This was and still is the most helpful for any of my droid queries.
Sent from my SGH-T989
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Yeah, that's the pitfall of a smartphone. Check out Juice Defender. The free version's helpfulness is debatable, but the pay version is quite beneficial. Instead of freezing apps (which might be overkill, especially if you ever want to use the one's that are frozen), you can disable each app's connectivity with regard to behavior. It also manages 3G/wifi connectivity pretty nicely and has various profiles which can be set up to manage battery life.
Good luck!
Good topic - thanks.
As an old-time BlackBerry user recently converted to SG2 - I'm getting ready to break-in the new phone on its first trip (ie MUST NOT FRICKEN' FAIL).
Getting at least a good 18hours of battery time helps...
How many hours of use would you consider moderate use within the 40 hour period?
Personally I've noticed the battery will last up to 4 to 5 hours of display time on stock and its more or less the same with any Rom or clock I use. Seeing how I don't use the phone for a constant 5 hours the total battery life varies on what I'm doing that day.
My SG2 shows 5h42m of full-time use (via Battery Monitor).
Battery Stats estimate 7h30min full time "Talk" - doesn't make sense... so I'm not reading the estimates correctly.
A single charge typically lasts about 18hours (takes it down to around 15-20%) at my office.
Just recently noticed that "AdFree" seems to have spiked my SG2 battery usage - I'm sure as a side-effect to re-directing adware to localhost (ie adware panic). Didn't see same effect on Xoom tablet.
bivasdas said:
Ram manager - balanced multitasking
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I can agree with everything here (thanks for posting) except the RAM Manager. It's generally accepted modern android devices don't need extra applications to manage running applications or RAM usage. Has there been evidence to prove otherwise?
matthewdavis said:
I can agree with everything here (thanks for posting) except the RAM Manager. It's generally accepted modern android devices don't need extra applications to manage running applications or RAM usage. Has there been evidence to prove otherwise?
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It's true. It is better to let Android take care of memory management and often extra RAM is bad since Android is dependent on using up free memory for a better user experience.
More on HERE.
Keep in mind, reading ram is a LOT less battery intensive than reading off nand. So when you're constantly killing active apps in ram, and then re-loading them later, you're actually hurting battery life.
If you want REAL battery savings, you should be paying attention to what is running at startup on your phone. You'd be amazed how many apps, hell even live wallpapers, run when they aren't being used. I'd suggest using system tuner, going into the startup tab, and removing anything that doesn't need to run at startup. Short of email programs, mms, and anything you want syncing in the background, I'd uncheck all other user apps you installed. They'll be put into memory then only when you actually use them, and save battery power.
Why underclock 33%? Seems pretty extreme. Just use Juicedefender as aforementioned; makes it sip on stand-by.
2hvy4grvty said:
Why underclock 33%? Seems pretty extreme. Just use Juicedefender as aforementioned; makes it sip on stand-by.
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I have juice defender, but I have a (probably idiotic) question. Does the juice defender icon have to be up on the top for it to be working?
xcrazydx said:
I have juice defender, but I have a (probably idiotic) question. Does the juice defender icon have to be up on the top for it to be working?
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Somewhere in the settings, you can set it not to display the icon when it's running.
2hvy4grvty said:
Why underclock 33%? Seems pretty extreme. Just use Juicedefender as aforementioned; makes it sip on stand-by.
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Sorry, completely forgot about JD its a must have
2hvy4grvty said:
Why underclock 33%? Seems pretty extreme. Just use Juicedefender as aforementioned; makes it sip on stand-by.
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Click to collapse
also, my theory is, i don't do anything that requires 1.5ghz clock cycle plus 2 cores. So if i'm on netflix on my mob, i just plug in the charger - therefore full 1.5 ghz is available.
This h/w is overkill per my opinion, i'd say its future proof for at least android 5, BBM (blue berry muffin)
matthewdavis said:
I can agree with everything here (thanks for posting) except the RAM Manager. It's generally accepted modern android devices don't need extra applications to manage running applications or RAM usage. Has there been evidence to prove otherwise?
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Click to collapse
There's a nasty kernel hack to do the same, buying the app is just easier, but thats just me.
I personally felt after all the throttling I did, this is the one tweak that makes the device snappy. After all there's so much ram to spare, this app tweaks the preloading I think. I can feel the difference when I clear memory and the snappyness just disappears.
droid battery usage screen says:
Voice calls 2 Hrs
Display on 1 hr
Cell standby 27hrs
Battery left 30%
SevenSe7enSeven said:
How many hours of use would you consider moderate use within the 40 hour period?
Personally I've noticed the battery will last up to 4 to 5 hours of display time on stock and its more or less the same with any Rom or clock I use. Seeing how I don't use the phone for a constant 5 hours the total battery life varies on what I'm doing that day.
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Click to collapse
droid battery usage screen says:
Voice calls 2 Hrs
Display on 1 hr
Cell standby 27hrs
Battery left 30%
What's a good figure for battery life on the GS3? The best I've got is about 31 hours using on demand and bfq. Any one got better life using other settings? I heard someone getting about 43 hours life but that seemed to be a little unbelievable. Let me know what your getting
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
What you reported is definitely "the average". Most actually only get a day, if they're lucky of moderate use and have to plug in before sleep every evening and get going on charge in morning. So its more like 15 hours actually. And your 31 max is very common high end for people who've stretched it out.
I'm not sure if you're stock rom or not and if rooted either but that makes a big difference.
I'm rooted ( and would ALWAYS RECOMMEND ROOT FOR EVERYONE EVEN UF NOT FLASHING ANY ROMS AND STAYING ON STOCK. The ability to have full control is important.
Changing kernels and more importantly, undervolting, will give you that longer life you're looking for.
I'm currently on KyanROM with either Ktoonez or Faux kernel (heavily tweaking and testing both) and have this phone beautifully undervolted to exceptionally low and very stable mv numbers! Thus getting me that lovely 36-45hour average (you mentioned you saw posted elsewhere - yes it is possible and many are doing it). I basically only need to plug in every OTHER EVENING or night between 6pm and midnight depending on usage and I'm a moderate to heavy user (with a lovely 3-5 hours of screen time as well) AND I also have my phone overclocked to 1.8Ghz! Surprisingly, the oc doesn't make much battery life impact at all because the phone isn't constantly having to run at high levels, only in short spurts. Actually, due to rooting and kernel change I'm able to have my phone run as low as 192Mhz during much of its general activity and deep sleep ( which I get a ton of as my phone basically always goes into it when the screen goes off). This saves me A LOT of battery life.
I also use LTE, which is actually one of the biggest if not the largest battery hog, next to screen time of course. But with that being said I only use it when needed and have it turned off when not in use.
As for my peak I was able to squeeeeeze out 87 hours once, on my stock battery BUT that was with some abnormal(for me) measures that really help conservation. Ie, no LTE, under clocked to 1.2Ghz for good part of the three days, much less then normal screen time over the period of which I used it at lowest level with even further reduction via screen filter, I actually used airplane mode during my three overnight sleeps (which I seldom use but if you can hack it, do it! It can really save battery overnight. My current setup basically SIPS MY BATTERY AT 1% EVERY 3.5-4 HOURS OVERNIGHT WHEN IN AIRPLANE MODE), mobile data was off for most of time but did use my wifi at normal level (wifi uses less especially if good signal with few reconnects/scans), used my typical low UV numbers, kept my notification updates/syncs/wakelocks to a minimum and lastly kept my memory virtually clear if unnecessary background apps.
Doing ALL of this allowed me to get OVER THREE DAYS BATTERY LIFE. But keep in mind I seldom do many of these battery saving tips on a regular basis but some do and if you can, they WILL work to extend your life substantially!
To wrap up (this long winded post/reply) I'll give you my general UV mv range numbers and the typical everyday simple battery saving methods I use.
1.My voltage at lowest clock of 192mhz=800mv with gradual (smooth and almost linear curve) increase up to a mere 1200mv at a whopping 1.890Ghz clock.
I use NOOP scheduler with ONDEMAND governor most of the time, sometimes SmartassV2.
My screen off and deep sleep use this lowest 192 clock speed and with no wakeup lag.
2. I use my screen at 0% brightness most of the time (except when outside or in high lighting environment). I use the brighrness widget app to control this as it is easier and works better then stock settings. I actually even further reduce my brightness with Scree Filter App. That app is awesome and often use it solely for brightness control because it has full control and can dim it to basically full black if wanted. Which is MUXH lower then stock control. Fyi I use my phone a LOT more at night or in dark environment thus allowing me to dim screen HEAVILY yet it still is actually plenty bright with ample contrast in dark environments to do everything. This saves on my battery HUGE!
3. I use LTE when needed and GSM/HSPA+ when not. Seldom turn of mobile data altogether. I do turn off wifi when out and only using mobile data.
4. I use Screebl app to have screen turn off when not in use. Its great liitle app. Basically let's you turn down screen timeout to 15 seconds or less so screen is never unnecessarily on but it always stays on when in use due to the accelerometer and it knows when the screen is not flat on table! Its very annoying when browsing or doing stuff where screen isn't touched for long periods and the screen goes to sleep! But this stops that! So its always on when upright or in use and when phone down it turns off immediately.
5. Very important step and can take some time and research but making sure to keep partial wakelocks and apps keeping device awake to a bare minimum! DEEP SLEEP IS VERY IMPORTANT TO SAVE BATTERY! You basically want it to go into that every time your screen goes off and to stay in it uninterrupted for as long as possible. And many users phones are NOT making it into deep sleep due to partial wakelocks and they don't even know it or how to fix it. Not getting deep sleep can unnecessarily kill your battery!
I use a few tools here: Better Battery Stats/GSAM Battery Monitor/Battery Monitor Widget from within System Tuner Pro (which is my also my main and highly recommended tuner app for CPU oc/uc and UV,etc.).
These apps really help to determine what, if any, apps are causing partial wakelocks ( displaying in wake number amounts and overall wake time) allowing you to determine what to do to fix the problem and let the phone gets as much battery saving deep sleep as possible.
6.I'm not big on auto app killers and actually recommend against them as Android ICS does this already very effectively but do keep in mind that the more active background memory that is used, the more battery the battery is drained. So I personally kill unnecessary apps myself from the background whenever possible to save a little battery here and there. Using the apps listed above in #5 can really help to detect a nasty background app or service that is quite possibly unknowingly using a ton of CPU and/or memory, thus draining more battery and also often just slowing down your phone!
7. For those who can use it Airplane Mode is a big saver! Try overnights if wanted as long as missing notifications, emails, calls, updates, etc is alright for you. I seldom use it but it does help.
8. I almost never use my Bluetooth and GPS but when I do that is the ONLY time they are on. They get turned off immediately and really be careful with the GPS in particular because you might be surprised how many things on your phone will use it in the background, sucking your battery!
9. Be careful with sound and vibration levels. Haptic feedback too. I don't do much here but its anotherctip nonetheless.
10. Lastly is treating and charging your battery right! I found an amazing site linked down below in a couple of articles that really explains these batteries and how they work in a very in depth technical level this is still not too hard to follow. Aside from the two links I posted check out the others on the left menu as there is a ton of useful and educational info!
http://batteryuniversity.com/learn/article/how_to_increase_the_runtime_of_your_wireless_device
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
OK I've rambled on waaay too long here. Maybe I'll take this and post a battery savings tips thread with it lol. "10 points"!
Btw I've just received both my 3300mAh and 4400mAh capacity batteries. So I have much testing to do on those too and I plan on reporting back on them as well. Also with screenshots for data and proof...I can and will also post screenshots for all of the numbers and stats I've posted here today with my personal phone/battery accomplishments.
Hope this helps some of you out there because yes this phone can be known for terrible battery life but it CAN be tweaked to SUBSTANTIALLY IMPROVE that life to high standards and keep up with the best of them!
Sent from my SGH-I747M using xda premium
On Stock battery - Kyan Rom/Ktoonez kernel (at this moment)
Seems about right. My phone is completely stock and if I really wanted to I could even use it for 2 work days. I usually charge it over night though. I used it for 2 days though while at work, and with 3 hours of screen on time I was down to 7% battery. Around 40 hours on.
I was stocked rooted using Sammy kernel. On demand BFQ. I'll try on demand noop and see if that helps. My screen was about 35% brightness.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
Can I hijack a little here? My battery seems to be atrocious. It was okay stock after my first 3 full charges I was getting about 12 hours and 2.5 screen time.
Here is what I've done with my phone since:
Flashed to debloated stock Rom
disabled remaining unneeded apps (example ATT wifi app)
disabled Wifi
disabled bluetooth
disabled GPS
disabled GPS autorun states
disabled 4g
disabled autobrightness, set to 15%
disabled location reporting
disabled Push email with Exchange
disabled Motion
disabled auto google backup
disabled keytones and vibrate on all button presses
disabled touch key lights
disabled Svoice
disabled streaming on googleplay, only plays from memory card
disabled Google Now
fixed the cell standby bug (even though it may not impact battery figured wth)
Uninstalled FB
Set all Autosync accounts and email to sync only once per day
No widgets (only Google play music, Smemo note, flashlight, and folders)
Running save power mode for low power screen, no haptic, and auto adjust screen to blacks
Running mostly black wallpaper, No live wallpaper.
Running medium intensity vibration
I ran battery stats and got a lot of wakelocks from googlemaps and exchange so I disabled the push email and set it to once a day. Google maps I disabled latitude, and shut down the autostarts with gemini.
It's getting to the point where the phone is basically a dumbphone just so the battery can make it while it sits next to me at work. Today I have 48% after 8 hours and 50 minute screen time and 20 minutes of google play (only playing from on SD card not streaming).
Any ideas? It seems like I'm getting less than average.
All I did was also flash debloated rooted stock. Set to top out at 1.5ghz power save on. On demand BFQ schedule. Screen brightness as low as I can to still read. And got 32ish hours. I'm going to try OnDemand and noop like the other guy said and UV a lot more and see how close to 40 hours I can get
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
chrisj22 said:
All I did was also flash debloated rooted stock. Set to top out at 1.5ghz power save on. On demand BFQ schedule. Screen brightness as low as I can to still read. And got 32ish hours. I'm going to try OnDemand and noop like the other guy said and UV a lot more and see how close to 40 hours I can get
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
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Can u link me on the bfq? Having troublefinding what that is.
Also, is that the built in power save that limits the processor or some other software?
I believe if you flash Sammy kernel it has bfq. I am on task's CM10 and kernel and battery life seems poor compared to CM9 or stock rooted
Sent from my SGH-I747 using xda app-developers app