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Using battery optimazation processes like juice defender, and even having advanced task killer working, lowering my brightness, and otherwise just having everything turned off like wifi, GPS, and all that business, im still seeing OUTRAGEOUS battery drain,
using the cyanogen nightly build.
this morning in 25 minutes
lost 16 percent battery
after coming off a 6 hour charge..
So.
the question is.
Where to start?
What to do, my phones just not makin it, its dyin all the time.
majorbro said:
Using battery optimazation processes like juice defender, and even having advanced task killer working, lowering my brightness, and otherwise just having everything turned off like wifi, GPS, and all that business, im still seeing OUTRAGEOUS battery drain,
using the cyanogen nightly build.
this morning in 25 minutes
lost 16 percent battery
after coming off a 6 hour charge..
So.
the question is.
Where to start?
What to do, my phones just not makin it, its dyin all the time.
Click to expand...
Click to collapse
There are a few suggestions i would make. Just for background information have you used other Roms and if so was the battery ok for them or is this the first custom rom you have used? (just to compare to see if it is a new issue you are having with CM)
ok first i would get rid of the task killer. they do more harm then good Android will auto kill tasks and MANY of the tasks it kills are just stored in memory and are inactive causing little to no actual battery drain.
you can turn GPS back on it doesnt drain battery when not i use and can be useful to ahve on if you lose your phone.
If you havent done it yet search the forums and download SetCPU (or get it from the marketplace for a small fee) there are several posts about battery saving profiles on the forums or you can find one here.
A good post that has worked from some is to turn enable always on mobile ON (if previously turned off), turn auto sync ON (if previously turned off) TURN news / stocks/weather - OFF but keep your single google account turned ON.
I have no idea why or if this would work but have seen posts saying when they did this it did actually help.
If you havent tried to re calibrate your battery or the HTC charge method yet i would try hose as well (calibrate by charging to full draining it all the way till it shuts off then charge it back to full with out interrupting the charge.) The HTC charge method is to 1)charge the phone 8+ hours 2)unplug it and immediately turn it off 3)charge it for 1 hour. 4)power the phone on 5)unplug it for 2 minutes 6) then charge it on for another hour.
If you still arent getting very good battery life you can look for the app SystemPanel, if you purchase the full version you can get a history and see the top apps draining your battery (should let it run at least 24 hours while you use the phone normally so it can build data) this should show if you have an app that is hogging the battery. After all this if you are still having problems then you may try another rom or you may have a bad battery.
If i had to guess if this is a new issue i would bet that since you wiped to install CM6 you lost battery stats so a calibration and htc recharge will greatly reduce the problem.
your reply absolutely kicked ass, ill start trying all your suggestions tomorrow, im so happy i got an amazing answer from someone here and not flamed for being a dumb noob.
thanks again!
1. Get rid of CyanogenMod, flash Snacks 9.7 or DamageControl 3.2.3
2. Get rid of task killer
3. Turn off 4G/Bluetooth/GPS
To tell you the truth get rid of Juice Defender. I have never found it to help at all. It could even be the thing that is killing you. Get SwitchPro and and add the data connection to the widget. If you turn it off when you aren't using the phone, I have gone 2 hours without seeing 1 percentage drop. Just tapping a button to turn it on when you need it is nothing, and it takes about 15 seconds to reconnect. Juice defender is supposed to be doing the same thing while the screen is off, but as I said I don't think it works.
Other than that like Omega said, SetCPU really helps especially when you have the screen off if you set up the profile for everything. His advice is pretty solid, I just found another battery recalibration to work better which is to charge it for 8 or more hours with the phone on, unplug it, and then shut it off. Then plug it in and wait for it to turn green again, and unplug it wait for the light to turn off and repeat plugging it waiting and unplugging it 10 times with the phone off. Each time takes only about a min or so.
And there is no reason to get rid of CM, I use it and get equal battery than I did with DamageControl.
majorbro said:
your reply absolutely kicked ass, ill start trying all your suggestions tomorrow, im so happy i got an amazing answer from someone here and not flamed for being a dumb noob.
thanks again!
Click to expand...
Click to collapse
No problem at all i did a LOT of research and fiddling before i got my battery life to a level that i found sufficient. I use batterydefender/ultimate juice add on and it does turn off and on my 3g once set i had it set up right. Juice defender says i get x1.6 battery life right now according to it. I will say when i had juice defender alone it never said anything but x1 so it may be the add on helping. According to SystemPanel it uses almost no battery power (over 2-8-24 hours all show under .1% to give an example swype shows .1% and i do roughly 40 texts a day and very little keyboard use otherwise) so i dont think it is the main cause but you can always try the suggestion to turn off/on data yourself as well.
Any way let us know how everything works out for you and if you are testing each one at a time what made the biggest difference (i did almost all my battery saving stuff in bulk so no idea which one gave the most benefit for me just know doing all of it worked lol)
I have a 2800mah yoobao battery and its only lasting me about 18-20 hours...but a guy on youtube shows hes easily getting 2-3 days on his phone. I moderately use this phone with black backround...wifi enabled gps bluetooth and everything else i can disabled...and i have app killer and juice defender why is this battery not lasting long
Well first those ebay 2800mah batterys are more like 2100-2500mah. Second that guy on youtube did some black screen tricks and some other things to get 3 days. I wouldnt use any app managment programs unless you have 10 things that want to startup,and juice defender just isnt a good way to save battery unless you always have a bad signal,when you have a great signal very little battery life is used by the radio.
But I just posted some great numbers using the seido 3300mah battery,and I actually used this phone plenty during the tests...
Sent from my MyFrankenstein EC05OCE using XDAPA...
Like ecooce mentioned, those batteries aren't generally as good as they claim. But I can't answer your question until you answer a few more to the best of you ability:
1. Are you using a ROM? What ROM?
2. The "guy" on youtube was definitely using a ROM, what ROM was he using?
3. How long does your phone last on your stock Samsung 1500 mah battery, for reference?
4. How many and which widgets do you use?
5. Do you have poor signal and frequent roaming? Do you use Roam Control to rectify the constant signal searching?
6. Is your task killer an auto killer?
Answer me, and I'll answer you
well im not using a rom... i want to try to find the best rom for a extended battery. and i dont use any widgets just a clock one. i get about 10-12 hours on the regular battery if im lucky...im gettin about 18-20 on this one...i jus think i could get more
and yes i have roam control and i use task killer
ddizzy81 said:
well im not using a rom... i want to try to find the best rom for a extended battery. and i dont use any widgets just a clock one. i get about 10-12 hours on the regular battery if im lucky...im gettin about 18-20 on this one...i jus think i could get more
Click to expand...
Click to collapse
OK, this is simple math...1500mAh battery is stock, you get 10-12 hours. 2800 mAh battery is only 87% higher which equals 18-20 hours. This is only true if it is a true 2800 mAh battery...so count your blessings.
ddizzy81 said:
well im not using a rom... i want to try to find the best rom for a extended battery. and i dont use any widgets just a clock one. i get about 10-12 hours on the regular battery if im lucky...im gettin about 18-20 on this one...i jus think i could get more
Click to expand...
Click to collapse
Well you can try the Syndicate Rom Frozen I'm on, it's referenced in my signature. Only use your task killer manually. On auto-kill it will use battery to constantly run, and will kill services which immediately restart anyway. I use Advanced Task Killer manually by its widget, which, combined with my Power Control widget, are the only two widgets I have confirmed are not battery drains. This includes Pandora, Music player, Wifi Tether , Tesla Flashlight, and ES Task Manager widgets.
Moving on, Low brightness when possible, Google Sync off, unnecessary apps found to be running in the background removed. Google Wifi and GPS locations off, you want none of that. DRM and SNS services frozen by Titanium Pro or MyBackup Pro if unneeded (yes those apps are not free, but worth it!). Mostly black wallpapers use less power due to the nature of Super AMOLED screens (the pixels are effectively off when black). Do not use Juice Defender. VisionKernel 1.1 may be helpful. Do not use setcpu, stick with the Dev's stock settings, I'm sure you'll be happy :-D.
If I think of any major steps I've taken that I'm forgetting I'll be back lol. I think I may end up making a new thread on this with a list of my steps and setup.
RandomKing said:
Like ecooce mentioned, those batteries aren't generally as good as they claim. But I can't answer your question until you answer a few more to the best of you ability:
1. Are you using a ROM? What ROM?
2. The "guy" on youtube was definitely using a ROM, what ROM was he using?
3. How long does your phone last on your stock Samsung 1500 mah battery, for reference?
4. How many and which widgets do you use?
5. Do you have poor signal and frequent roaming? Do you use Roam Control to rectify the constant signal searching?
6. Is your task killer an auto killer?
Answer me, and I'll answer you
Click to expand...
Click to collapse
Well I'm that guy on youtube abd I believe I at that time I was on syadicateROM Froyo with a 1.3Mhz OC'd Kernal...now what saves on most of my battery life is underclocking while the screen is off to a max speed of only 600mhz...since about 75% of the time your screen is off...those numbers were for about the 1st 3 months with the battery....now I'm averaging from at least 30 hours to around 50 sometimes 60...but no more 3+ day stretches...and I make sure to condition my battery on a regular basis...because I did go through a major sump in performance jut like you are with around only 18 or so hours...a few (like 3) calibrations got me right back up to where I was at with hours unplugged....I think I talked about this in one of my video's...hope this helps fellas
Sent from my rooted, suited, & booted Epic 4G kno dat!
When I switched to ec05, my battery life went to crap. I now have the yoobao 2800 and with syndicate frozen and a few tweaks I now get around 24 hours moderate to heavy usage. 48 hours or more with light/idle usage.
On the other hand I'm lucky to get 8 hours out of my stock battery with light usage. I can literally sit and watch the srf battery meter draining every minute the screen is on. I'm thinking my stock battery may have gone bad.
The extended battery makes my phone huge. But theres nothing better than being at a conference talking on the phone constantly and still having 30% left at the end of the evening. While all the other evo's n blackberries n such are crying that their phones are dying by happy hour...
I'm not a heavy user, but I regularly get 30+ hours with 2.5 - 3 hours of screen on time off of a 1500MAH battery using SRF frozen.
You could have one of several issues:
1. Gallery app sensor issue.
2. Airplane toggle issue
3. phone not sleeping properly.
Any of them can severely impact battery life. If you look at your screen on time and you are regualrly at 2-3 hours screen on time in 12 hours then that is about right I would say.
I am a light to medium user and I get 40-55 hours of life out of my extended grant you my back ground is mostly black. Only widget I run is sense analog glass clock which pulls the weather every 15 minutes, I have task killer auto kill on, set cpu set to ondemand 10000 and 1000 which I believe is stock I was playing with it for a few still am (I just modified this to 13000 - 1000 set to performance so stay tuned for a update), Avg, wifi is usually on i forget to shut it off and gps is always on. I am using Frozen 1.1 with Vision kernal 1.1. Hope this helps. Don't forget to calibrate your battery I found that it does help to let it drain fully once after the calibration.
**********************************
Update well I have been testing since I first posted I am now getting about 18-24 hours but my usage has gone way up to high like 200 to 400 txt a day plus now using winamp cuz my music player died. Playing music for over 2 hours a day also poor signal strength at home so always have wifi on. Not sure what modem I am using not sure how to find that out either. Also my Setcpu is set to 1300 - 100 ondemand it didn't like having any other setting. I also turned journaling on which might not help the battery life.
EC05 suck your battery? Flash the EB13 modem. http://k0nane.info/rom/acs-eb13-modem.tar
I have this same battery and I have google and AOL email syncing every 30minutes, brightness on full, 6-7 widgets, 3 of which run constantly, and usually have pandora running most of the day, spotty signal, and data on all day...
I get 52-58 hours every charge with all this running, and an average of 4-6hours screen on time...
Also, when I put it on the charger i never let my battery get below 12% usually it goes back on after 55hours @ 16-21% left
Maybe I am lucky?
Running AOSP rom
ur lucky...cuz i have had this battery for about 2 weeks now and im starting to get about 24-26 hours of life...maybe the battery needs to be broken in cuz its increasing
Apparently, the battery life and the low internal memory are some major drawbacks of this otherwise great handset, so I though of putting up some experiences of what users report from their experiences with internal memory and battery life.
(After installing all programs and under normal usage)
ROM:
System 260MB => 32MB free
Data: 150MB =>32.7 free
Strategy: rooted, uninstalled htc stuff.
Battery Life:
24-36 hours
Remarks:
I feel the battery behaves rather strange, think there is definitively room for improvement. Some days, it hardly uses 5% over 12 hours!! Then, on others, without touching it, it looses over 50%!!
I am currently playing around with the Network settings and will see what I find.
Underclocking on demand should further alleviate the problem I hope!
With the original WF I easily got 4-5 days and the battery is only marginally smaller so should be possible to get closer to this range
Here my results:
About 50 MB free of ROM.
About 100 MB free of RAM.
Stock ROM, S-ON (waiting for htc unlock and cyanogenmod)
Battery lasts under normal usage 2 days, light usage 3 days. (When i sleep phone is in fly mode and there's no battery drain)
Normal usage: little browsing, messaging, mailing, music listening, checking news and weather, maybe a phone call.
Light usage: messaging, mailing, a bit music listening, calendar checking, very very little browsing
The biggest battery drain is the screen, especially when playing games (15 minutes dragon fly gives 10 % battery drain) and browsing, market checking/updating.
Everything stock:
free ROM: 47
free RAM: 122
Around 2 days battery use if I don't play too much Airport Mania 2, or else 10 minutes play equals minus 5% battery
UPDATE:
I changed some settings to maximize battery performance, notable
Location => Disable "Use Wireless Networks" (battery eater!!)
Wifi&Networks: Mobile Network Settings:
Network Mode: GSM only (OK I don'T need the fast one)
Enable Always-On: DISABLED
Plus I set it on Flight Mode during night (I used Gentle Alarm to do it before, but apparently there is a bug where it makes it consume engergy nevertheless so do it manually now for the moment)
Results:
For now, 3-4 days!
Will continue trying out (but now it will take a week or two to finish some cycles ;-) )
RAM : 241 free / 160 used
ROM : 70 free / 80 used
Cyanogenmod 7 / 1500mAh HD7 battery
1,5-2 days with fully wifi opened.
Sure you can kill 3G, WiFi etc but then why have smartphone and dumb it down?
Here are a few battery saving tips I've learned from owning a GSM Hero and Desire HD (my gf has WFS which is why I'm lurking here... just ordered a XTC Clip for it).
Unfortunately when the green light says you're phone is fully charged this isn't always the case. The battery is likely to be mis-reporting its capacity and % used, this can cause your phone to die when the battery still has remaining charge. So, we're going to fix that.
Assuming you have already rooted your phone, download Battery Calibration tool and CurrentWidget.
Place a CurrentWidget widget on your home screen and charge your phone until the widget says 0mA. This means it has reached fully capacity.
Once it hits 0mA on the widget, open Battery Calibration and wipe battery stats.
Reboot your phone whilst still plugged in and upon reboot it will recreate a new battery stats file, however now it will know the battery's max capacity and will correctly report battery % used.
I do this about twice a week. Maybe once a month I will also let it completely die and then fully recharge whilst off, before powering on and repeating the above steps.
Other things you can do to increase battery life are:
Change the sync interval of apps like Facebook, Weather etc. I usually set most things to every 3 or 4 hours, with Flickr only being once a day.
Don't run the screen at full brightness if you don't need it. On my DHD I find 40% to be best for most conditions, with only really bright sun making it hard to read... in which case I bump it up to around 75%. Auto-brightness if ok but it tends to be on the bright side on most Sense ROMs so hopefully someone will work out a way to tweak the values for WFS. I had a play about with custom values on DHD but after testing for a while I still prefer to control it manually. It's a personal thing though.
Remove crap you don't need. Stocks, News, eReader, Twitter etc are always the first to go when I install a new ROM. I use Root Explorer to delete them but there are various ways to do this including Titanium Back-up or by using ADB. You can find everything in /data/app & /system/app. Just be sure to do a nandroid backup in case you delete any system critical apks.
Change Wifi sleep policy to Never.
Limit your homescreen widgets to only ones you really need. Having 7 screens packed with widgets and apps will cause battery drain.
Turn off Power Saving mode. I tend to find it doesn't really help and just makes your phone quite useless when you hit the pre-set % where it activates.
Never use Task Killers. This link gives an excellent explanation.
Finally, wait in hope for an overclocked and undervolted kernel, different radios and custom auto-brightness values
If I can think of anything else I'll post it here
don´t know why so mutch people get worried about the battery. for me the only thing that counts is that the battry takes me over the day. i mean i go out an seven am and get bat at 5pm, so thats the time i need my battery to hold. maybe i need some backup to get until 22 pm and everything is alright.
for me i doesnt matter if i´ve to recarge after one day
Yeah, for some people it can become a bit of an obsession. However, it still think it's worth taking a few simple steps to get the best out of your device
For some people 8 hours between charges is fine. For me, I like a phone that can run for 8 hours between charges, but also run for 48 hours between charges (without having to go to dead mode by turning on airplane). I go camping, stay the night someplace else, forget my charger while going on a trip or just want the freedom of not having to find an outlet and drag my charger with me if I want to have a phone run for more than 8 hours. So I get off work, change my clothing and run out the door to my after-work sporting event, then head out for a few beers afterwards with the team and I barely have enough juice left to call my wife or check on a few game scores.
It's important. Not having it be important means your phone is running your life or you just always have the same routine, which is fine for you maybe but I like to head out.
About 7 hours running CM 7. Battery life is very bad at the moment.
So I switched from the iphone with edge to the Tmo S2 with Jugg 5.0 ROM + Go Launcher. I really appreciate the 4g speed. However, the overall experience is not as smooth as the iphone and the battery life sucks big time. I normally have to constantly plug the phone in whenever I can. It works ok when I'm at work but when I'm out all day my battery won't last more than half a day. It's so bad to the extent that I have to turn off my phone and turn on when I need to call or text so I can keep the phone alive the whole day. I tried Juice Defender but it didn't help my battery at all.
Yesterday I spent a few hours on XDA and I came up with these solution to my battery problem:
+DarkSide Digital Warfare v2.7 ROM (couldn't find 2.5.1 version)
+Flash Synergy Kernel over (supposed to give better battery)
+SetCPU app (auto detection)
+Zeam launcher
So far, it seems to be better on the battery. Is there anything else I could add to make my battery last longer? I need the phone to last at least the whole day without charge. I'm constantly on 4g looking up stocks, reading news, email, google voice, grooveip, facebook, turn by turn navigation, music, netflix, youtube ...
Thanks,
Welcome to Android.
From what it appears, you seem to be a heavy user. The most you can get out of a Android device with heavy usage is 3/4 of a day (14-18hrs) tops.
You have 2 choices, either you travel with the power cord not to far away and plug it when you need it or you invest a whooping 10$ and buy another battery.
There are tricks to keeping your battery healthy but lasting all day as a heavy user will be very difficult.
If this is a new phone it takes a week or so for the battery to settle in a hold a charge well. After a week or so you'll notice your battery is lasting longer. Also make sure that nothing is keeping your phone awake 100%. Some apps don't play nice and cause issues. Welcome to Android.
Note: navigation kills battery fast, when your using it try to plug into a car charger or something.
Sent from my SGH-T989 using xda premium
There are a lot of things you can do to improve battery.
1. Juice Defender (which you say you have already tried)
2. Limit the number of widgets you run or run no widgets like I do
3. Turn the screen brightness down all the way
4. Don't use Live Wallpaper, also, try to pick a dark coloured wallpaper since white/light colours seem to use up more battery.
5. Uninstall apps you don't use.
6. Turn off GPS unless you need to use it.
7. Turn off sync completely or only have your gmail sync. I don't need to be notified when I get a facebook message so I don't need it syncing every few minutes or every hour, I can check that manually myself.
8. Turn off animations.
9. Close background apps that are running that you aren't using.
10. Use Task Manager to close open apps when you are done using it. Task Manger is your friend.
11. Enable Power Saver Mode.
etc etc.
Those are the main things that I tend to do. I plug my phone in every night before I go to bed as well so I am not sure how long my battery actually lasts. But typically after 16hrs of use I still have 60% battery when I go to bed.
Currently my phone has been on for 7hrs 15mins and I have 87% battery. So you can do the math. I am not as heavy a user as you seem to be, but hope this helps. Peace.
Check out this video it helps show you how to save battery. Enjoy!
Thanks for the inputs guys. I should have said I was looking for Rom/Mod/Scripts/Apps... that can be flashed onto the rooted phone. I have done all the basic battery saving housekeepings as listed by Chochiwpg.
Chochiwpg said:
1. Juice Defender (which you say you have already tried)
2. Limit the number of widgets you run or run no widgets like I do
3. Turn the screen brightness down all the way
4. Don't use Live Wallpaper, also, try to pick a dark coloured wallpaper since white/light colours seem to use up more battery.
5. Uninstall apps you don't use.
6. Turn off GPS unless you need to use it.
7. Turn off sync completely or only have your gmail sync. I don't need to be notified when I get a facebook message so I don't need it syncing every few minutes or every hour, I can check that manually myself.
8. Turn off animations.
9. Close background apps that are running that you aren't using.
10. Use Task Manager to close open apps when you are done using it. Task Manger is your friend.
11. Enable Power Saver Mode.
Click to expand...
Click to collapse
I'm up 5hr 45mins on battery and my battery is at 41%. Let's see if it will last for today. I will put Juice Defender in tonight to test out the battery tomorrow.
DroidNo0b said:
Thanks for the inputs guys. I should have said I was looking for Rom/Mod/Scripts/Apps... that can be flashed onto the rooted phone. I have done all the basic battery saving housekeepings as listed by Chochiwpg.
I'm up 5hr 45mins on battery and my battery is at 41%. Let's see if it will last for today. I will put Juice Defender in tonight to test out the battery tomorrow.
Click to expand...
Click to collapse
You could run Juggernaut with Faux Kernel and Gideon's battery scripts. Or Telus T989D stock ROM lightly tweaked with same kernel and script. Got good results on those as well. Good luck.
Btw, has anyone had tremendous increase in battery life using the after market extended battery?
Thanks,
Use fox star rom
Sent from my Galaxy SII T-mobile using xda premium
DroidNo0b said:
Btw, has anyone had tremendous increase in battery life using the after market extended battery?
Thanks,
Click to expand...
Click to collapse
If you are talking about extended batteries that don't require a custom enlarged back cover, you will not get the battery increase that you are looking for, not even close. I cannot speak for the heavy duty ones that require an enlarged back as I do not own one
Gideon's scripts are great with Juggs. Underclock it as well like 384-1080 is a great setting. Also let die all the way down and charge all the way up and repeat for a few cycles. And don't stare at your phone every few seconds either lol! Another thing are the notification lighting buttons at the bottom. Drop to 1.5 seconds.
Sent from my SGH-T989 using xda premium
yoft1 said:
If you are talking about extended batteries that don't require a custom enlarged back cover, you will not get the battery increase that you are looking for, not even close. I cannot speak for the heavy duty ones that require an enlarged back as I do not own one
Click to expand...
Click to collapse
I have the extended 3800mah battery. It's insanely fat and makes the phone look hideous. On top of that I really don't feel like the battery lasts all that long at all. It's in my pocket all day at school and by 3:30 I'm at 35%. This thing cost me 65$. Total ripoff. I'd suggest spending 20$ and buying two more regular batteries. See what that does for you all
Sent from my SGH-T989 using XDA
A few things you can do on ANY ROM to improve battery life.
*) Decrease screen timeout to the lowest possible setting.
*) Adjust screen brightness to the lowest level you can tolerate.
*) Decrease the backlight key timeout to the lowest setting ( or off if you have the option )
*) Be sure to only have wifi and gps on if you are using them.
Those will help quite a bit in general however, a ROM like Juggs is meant to really take advantage of the power of your device so its probably wise to move to a different one if max battery is your goal. I love Juggs but had to move on to the AOSP stuff. Also, heed the advice above, allow the ROM a few days to "settle" before making a switch or even a judgement of its performance.
Thanks for the replies guys. So my phone lasted for 9hrs today which is a little bit of improvement. I was streaming netflix for half an hr on the train on the way back home so that may have drained the battery. I have just installed JD, will post back how it goes tomorrow.
So the extended battery is a no go eh. I really don't want to lug around a few extra batteries. I want to carry as little as possible. I normally carry my phone and my ipad but now I tend to not use the ipad much now because the S2 screen is pretty gigantic for a phone.
DroidNo0b said:
Thanks for the inputs guys. I should have said I was looking for Rom/Mod/Scripts/Apps... that can be flashed onto the rooted phone. I have done all the basic battery saving housekeepings as listed by Chochiwpg.
Click to expand...
Click to collapse
I know the point was already made but just to reiterate, you can get 2 Anker extended batteries (same size as regular battery) and a universal charger for like $20. This will leave you with three batteries. One for the charger, one for the pocket, and one for the phone. With this system its pretty easy to always have one full battery ready to go and one charging. The battery is small and can just go in your pocket, or maybe even in your wallet depending on your preferences. It solves the problem completely. I don't think you are going to do much better because if you are a heavy user then your battery is going to be used because your phone isn't going to be sleeping.
Good luck.
tablador said:
I know the point was already made but just to reiterate, you can get 2 Anker extended batteries (same size as regular battery) and a universal charger for like $20. This will leave you with three batteries. One for the charger, one for the pocket, and one for the phone. With this system its pretty easy to always have one full battery ready to go and one charging. The battery is small and can just go in your pocket, or maybe even in your wallet depending on your preferences. It solves the problem completely. I don't think you are going to do much better because if you are a heavy user then your battery is going to be used because your phone isn't going to be sleeping.
Good luck.
Click to expand...
Click to collapse
If you read my post above. I'm against the idea lugging around too many things. It's also a hassle to swap the battery and keep them all charged. I may be a heavy user but it's not like I use the phone all the time. I use the phone heavily early in the morning on the way to work and after 5pm on the way home after work. The commute each way is roughly 45 mins. In between the commutes i make a few calls and texts through GV. I don't think i'm that of a really heavy user.
Anyway, it's noon and I'm at 75% with JD on and setCPU to 384-1084mhz which is pretty promising.
Questions go in the Q&A section
Since you changed kernals, you aren't going to benefit from TDJ's battsaver script you can use with the stock 2.7 kernal.
Go lower on the max frequency. Something below 800 mhz. Setting a negative gloval mV doesn't hurt, and if you can get to -62.5, that's great.
Oh, and when using data, try GSM only...
To be honest, the larger problem with battery life is typically the user. There's no real magic on making the phone last longer other than using it less. If you're going to be power using the hell out of it by using 4g for hours streaming media, your battery is going to be ****.
8Fishes said:
Since you changed kernals, you aren't going to benefit from TDJ's battsaver script you can use with the stock 2.7 kernal.
Go lower on the max frequency. Something below 800 mhz. Setting a negative gloval mV doesn't hurt, and if you can get to -62.5, that's great.
Oh, and when using data, try GSM only...
To be honest, the larger problem with battery life is typically the user. There's no real magic on making the phone last longer other than using it less. If you're going to be power using the hell out of it by using 4g for hours streaming media, your battery is going to be ****.
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Don't you think it is ironic for me to switch from the iphone to the S2 because I couldn't stand the slow 2g Edge connection then have to lower data speed to GSM (2g) just so I can use the S2 long enough?
I think the S2 is one heck of a device but the OS and Apps are not running very efficiently.
I tried the ICS ROM ARKSIDE.UCLE2:: x[BETA07.1] in the last 2 days with setCPU at 384-1026Mhz. I have had great battery life. I got home at 12 am yesterday with a 2% battery. Today it's been 7 hrs on battery and my battery is at 70%. I don't know if it is the ROM, setCPU or a combination of the two but I'm pretty happy with the phone right now. ICS is awesome too.
I highly recommend that solution to anyone having a short battery life problem with their S2.
It is a little ironic since you did bring up the comparison. What I was attempting to do was to bring the phone more into spec of an iphone to get similar battery life. You're probably going to even get better runtimes due to the battery having a much larger capacity and better screen technology. All that superior hardware packed in the t989 is going to need more juice to run.
It's great you're getting good runtimes now. From my personal experience, once I drop down to the single digit percentages, it starts lasting a lot longer per percent. If you wanted to squeeze all you can from the device, those 2000mah aftermarket cells might add another 15~30 minutes.
I downloaded and installed Juicedefender ultimate.... For the first time in quite some time, I was still at 50% battery after 8 hours of regular usage.
It'll turn off wifi and turn off data when the phone's sleeping and only sync when the phone is turned on or by schedule ( I set mine to every 15mins).
It's worked great for preserving battery life on my phone when using Dman's PACMAN 18.2.
And this is with the stock battery?
Sent from my SGH-I927 using xda app-developers app
Try this one too...Dev'd here (XDA)
http://forum.xda-developers.com/showthread.php?t=2030696
This one gives me 2 solid days of use with extended battery.
Couldn't believe how quickly battery died without & how long it seems to last with.
Plus the guy's on here. Support local talent.
Even gives "Pro" free to XDAer's.
yes stock battery .. the other day I was at 30% after 15 hours ..
Juice defender actually memorizes where you are (somehow) and will turn wifi on in my house and this other site i go to where the signal is weak .. just auto switches it on for me when the screen wakes up, really really great app.
This other one above, i tried the version off of the store but juice defender kicked its ass ... Soooo many features in JD its a bit confusing in areas to setup, but the battery life is by far worth the cost of the pro app. Ill try the Battery Saver app that MoodSwinger posted above, see if theres a big diff or not.