Database Develop

How to improve battery life?

Hello fellas. I am running Fasty VI, and battery life has not been as good as I feel it should be. I'm aware that KH3 is one of the best fw as far as battery life goes. I also have turned off auto brightness, auto rotate.
Just to give an example, I took the phone off a/c at 6:30 am, and the time of this post at 8:56 am I have 69% battery.
Is it possible to increase battery life by using a different modem?
Sent from my SAMSUNG-SGH-I897 using XDA App

Whats using your battery? Check if a app is eating your juice. How many apps/ widgets you got running at once, are you OC/OV?

prbassplayer said:
Whats using your battery? Check if a app is eating your juice. How many apps/ widgets you got running at once, are you OC/OV?
Click to expand...
Click to collapse
didnt realize there was a kernel with oc/uv for kh3
yes a different modem could help battery life, just make sure its an I897 modem and not an I9000.
also turn OFF power saving mode in display settings could save some ( i know weird but it helps adjust the brightness and when you have auto brightness off its just a meaningless process going on)
you could also switch to 2g when you dont need the speed, also turning off background data will save some juice.

Best way to extend your battery life is to get an extended battery
sry couldn't resist

Lol fuloplori.
I have power saving mode off as well I forgot to mention that.
As far as widgets go, today, which is what I've been using as ab benchmark, I have three minimal text widgets for time, date and battery, as well as evernote and keep the lights on.
Sent from my SAMSUNG-SGH-I897 using XDA App

studacris said:
didnt realize there was a kernel with oc/uv for kh3
Click to expand...
Click to collapse
No there isn't a kernel but there is an app that DOES OC/UV and OV the captivate. Its called Tegrak. Just saying....

Also I've had a issue with Maps app and when ever I set alarms battery drains alot faster. Not as much as you are experiencing but still. Random question have you recalibrated your battery lately? As studa said Modem might be the culprit bur I've never heard of KH3, KF1 or KI2 modems be a issue with native roms.

Well, I re-calibrated my battery a few days ago, but now that you mention it, I have doubts wether I should do it when the battery is at 100% or 0%.
Sent from my SAMSUNG-SGH-I897 using XDA App

Personally I charge it up to 100 then unplug and charge till it says 100%. I repeat that 2-3 times then I delete the battery file on cwm and let it drain till it shuts off. I've read of other methods no clue on differences. Btw Where you from bro?

I checked battery statistics and facebook was unusually high, at 24% right above 23% for display. When I checked on the market under my apps, out want there. I installed out and re-downloaded it.
I'll try your method for calibration.
I'm from Guaynabo, you?
Sent from my SAMSUNG-SGH-I897 using XDA App

Sorry for swype......
Sent from my SAMSUNG-SGH-I897 using XDA App

kafepuya said:
I checked battery statistics and facebook was unusually high, at 24% right above 23% for display. When I checked on the market under my apps, out want there. I installed out and re-downloaded it.
I'll try your method for calibration.
I'm from Guaynabo, you?
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
That's kinda high. I recommend running the widget for facebook and only using the app for specifics, else keep it closed.
I study in Mayaguez.

Don't use your phone.
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@ BenKranged - Good1
I'd suggest u get Watchdog Task Manager and track down the app/s that is/are misbehaving. For further more enhancements u could freeze cpl apps that u don't use/need with TiBu. Read more about it over on pikachu01's thread, keep in mind that his thread is i9k centric.
Last but not least, I hope ur not using a task killer !!! (specially on a regular basis)

As far as task killers I'm aware that they are not necessary anymore. The odd thing is that today, after unplugging my phone for 3 hours my phone is still @ 100%.
Sent from my SAMSUNG-SGH-I897 using XDA App

fuloplori said:
@ BenKranged - Good1
I'd suggest u get Watchdog Task Manager and track down the app/s that is/are misbehaving. For further more enhancements u could freeze cpl apps that u don't use/need with TiBu. Read more about it over on pikachu01's thread, keep in mind that his thread is i9k centric.
Last but not least, I hope ur not using a task killer !!! (specially on a regular basis)
Click to expand...
Click to collapse
Task killer isn't needed. Android task manager does the job well enough. Task killer will just use more resources.

Use titanium backup and freeze apps that take up a lot of resources when they aren't in use.
Sent from my I897 using xda premium

Battery drain very fast

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Can anyone tell me how to reduce the power consume by cell standby? Im using Alien Revolution CM7. Thanks for any advice and suggestion.
Sent from my Optimus 2X using XDA App

Use Juice defender
Sent from my R800x using xda premium

And even though most people say its bad. I found that kill user apps using a task killer will help.
Note: user apps are apps that were downloaded from the market
Sent from my R800x using xda premium

Try turning off bluetooth. It might be preventing the phone from deep sleep. Just a thought.
Sent from my Rocket in the Sky using XDA Premium

mamrhein said:
Use Juice defender
Sent from my R800x using xda premium
Click to expand...
Click to collapse
Just installed Juice defender free version as you advice. I will back to report if it is work.

mamrhein said:
And even though most people say its bad. I found that kill user apps using a task killer will help.
Note: user apps are apps that were downloaded from the market
Sent from my R800x using xda premium
Click to expand...
Click to collapse
Installed Advanced Task Killer and set auto kill task while screen off.
Hope there is a improvement Thanks.

PeartFan40 said:
Try turning off bluetooth. It might be preventing the phone from deep sleep. Just a thought.
Sent from my Rocket in the Sky using XDA Premium
Click to expand...
Click to collapse
Actually I just turn the bluetooth on for half an hour to listen music,
it's about 1 hour didn't turn it on.

I have try juice defender, it disables the network while screen off, it does a great job in saving battery. However, it makes me can't receive whatsapp messages while screen off.
Is there any method for doing so without affecting the whatsapp?

android system is eating my battery because is sending data. Does anybody knows why?

I myself am not so much of a fan of juice defender, but hey you could try. Try turning off bluetooth and wifi when you're not using it. Non matching baseband and RIL could cause some trouble, so maybe you could check whether they match with GetRIL from the market.

Here is my battery stat today after using juice defender, taskiller, and setCPU. It did great while screen off, but the stat still unreasonable. I have no call this morning but it shows, The cell standby still very high.
I think it just save battery when screen off but do nth with the cell standby battery drank.
Sent from my Optimus 2X using XDA App

ValentineCrow said:
I myself am not so much of a fan of juice defender, but hey you could try. Try turning off bluetooth and wifi when you're not using it. Non matching baseband and RIL could cause some trouble, so maybe you could check whether they match with GetRIL from the market.
Click to expand...
Click to collapse
I'm using this baseband and RIL, any other better suggestion for alien revolution CM7 rom ?
Sent from my Optimus 2X using XDA App

the cell standby and all the other percentages only show how battery cunsumption is devided. so if you have still 90% battery left, and cell standby shows 25%, that means from the 10% drained, cell standby has used 25% of that 10%, overall this means cell standby used 2,5% of your battery til then.
if your battery lasts between 16h and 1,5 days, its quite normal.

Hi fai420,
Firstly your Combo BaseBand-RIL is not bad but you can upgrade to V20L Europe I think. If you pay attention to battery life, There are some kernel who reduce the CPU frequence when the screen is off.
"Recalibrate battery is useless" Say Google's engineer
For Example i find that this Rom has good battery life if you respect the recommendations of developper like "v20Q BB will drain your battery too fast!!! v20M BB + v20L Italy RIL (Rom default) ist the best combination for this ROM. You might also try v20J RIL." But don't put the baseband and ril on CM7.
So with CM7 you have to try some combo BaseBand Ril and Kernel and find the best way
You also try PimpMyCpu and make some profil
It's a bit messy but I hope I helped you
Give me some news

I personally like the app "CPU Tuner". It's free on market and you can create profiles to manage the frequence of CPU. I use the simple profile for screen on/off. On screen off, the app lock the frequence of CPU in a value configurable.

If you feel you have unreasonable high battery drain I would suggest to do a
Full Wipe
(Factory Reset + Cache Partition +Dalvik Cache)
reflash the ROM
And if you want to use a custom Kernel
- Wipe Cache Partition
- wipe Dalvik Cache
flash the Kernel of your desire.
Only restore User Apps via Titanium Backup - for System Apps use the option "only Data".
I'm not sure which of these steps did the trick for me, but after this procedure my battery life went up significantly.

What if i cant. My xperia play isnt rooted
Sent from my R800x using xda premium

[Q] Battery Drain issue after ICS(india) update

Battery is draining very fast after updating to stock ics (india) update through kies.
I never rooted the phone.
* Battery was 100%(fully charged) before going off to sleep. Wake up in morning (after 8.5 hours) battery was at 70%. And battery went to 1% after 6 hours of use.
Please let know if this is happening to all notes. And how to resolve this issue. If this issue is here to stay I would like to go back to GB.

I had the same problem but you have to wait for Barry to settle down
Also let your battery drain out completely and then put on charging and let it get 100% charged
Also you can check of your phone is going into deep sleep by set cpu app
Hope this will help
Sent from my GT-N7000 using xda premium

note battery draining out after ics upgrade
I downloaded the ics thru keis was done without a problem but now my note's battery draining out after ics upgrade
can someone help
Regards
Dr Gandhi
91 9810195021
Gurgaon
[email protected]

Install cup spy and better battery stats and find the rogue app that is keeping your phone awake.
And please post questions in Q&A section, you would get better exposure.

http://forum.xda-developers.com/showthread.php?t=1649041This has been asked before. Anyways usefull links
http://forum.xda-developers.com/showthread.php?p=26648702
http://forum.xda-developers.com/showthread.php?t=1629242
http://forum.xda-developers.com/showthread.php?t=1600691
All is explained in these threads. Most gb things are applicable for ICS.
Sent from my GT-N7000 using Tapatalk 2

Look up the threads on deep sleep issues. Download the free cpuspy and see if the CPU is going into deep sleep when you turn it off or if it stays powered at 200Mhz and draining your battery.
My fix was go into settings -> Sound ->
scroll to the bottom
turn off dial-pad touch tones
turn off touch sounds
turn off screen lock sound
turn off vibrate on touch
(although i didn't need to do it, turn on airplane mode by holding down the power button and clicking flight mode)
Restart.
Check cpuspy once started (you might want to turn the screen off for a minute to go into deep sleep). Cpuspy should show a deep sleep being used for the idle time.
You can turn the sounds back on if you like.

I changed post above it has the most important links and tips and tricks for Android in regards to batterylife.
. Tip, xda forum via browser gives you the opportinity to search in the thread(s) you are in currently, opposed to app like tapatalk. Tapatalk searchbsucks harder then an ICS hardbricked gnote
Sent from my GT-N7000 using Tapatalk 2

I had the same issue with stock ICS Indonesia unrooted. At the first cycle of charged i thought it was normal to wait the ICS settled itself with my phone. But the problem still continued for 6 days. So i took a little time checking my battery usage info, cpu spy and battery stats. It turn out that the culprit is tweetcaster (free version with ads) had drain my battery. 20% an hour while tweetcasting
So this morning (my local time) i uninstalled free tweetcaster and replaced it with pro version. And all the came back to normal. No more battery drain. In fact i think ICS is better than CHECK ROM HD 6 which i was using before.
The point is, check your apps. Does it have a lots of ads running on background? Does your phone get hot all the time? If so than maybe the ads is your enemy here.
I hope this helps. Sorry for bad english. First time posting here.

Same battery draining issue with me even now im n alba ics repack v2 with franco kernel r2 (also used r3 with same prob) and as per franco instructions i deleted folder init.d with help of root browser now lets see if it works....
Sent from my GT-N7000 using Tapatalk 2

No such issue faced till now.
ICS version:
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Battery Status:
CPU SPY:
Sent from my GT-N7000 using xda premium

Even I was facing the battery drain issue
Just did a factory reset on my phone without any issues
Fingers crossed
Sent from my GT-N7000 using xda premium

Did factory reset helped..?

hey, same issue. i did a factory reset + data wipe and the dialer code wipe (*2767*3855#) and now, looks like my battery is sort of stable. the drain is a tad better. but i have not downloaded many apps..

Not sure if this is the problem but I'm currently monitoring after I closed all the apps except the necessary ones of course.
http://forum.xda-developers.com/showthread.php?t=1679397

rohit_sachdeva2002 said:
Did factory reset helped..?
Click to expand...
Click to collapse
Factory reset on ics is mega chance on hardbrick
Just like wipe.... Dont do it lmao
Sent from my GT-N7000 using Tapatalk 2

Yeah factory reset did help
Plz note i did reset coz i was always on stock rom and nevrr rooted
Also one more thing remove ur battery for a min or two and reinsert......even this helps
As after this my phone started to go in deep slleep. .......check with cpu spy
Sent from my GT-N7000 using xda premium

Moved To Q&A​
Please post questions in the Q&A section​

rahool_26 said:
No such issue faced till now.
ICS version:
View attachment 1090682
Battery Status:
View attachment 1090685
CPU SPY:
View attachment 1090687
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
What rom/kernel are you using if I may ask
Sent from my GT-N7000 using xda premium

Hey bro, here is something which I replied to somewhat same issue.
Point is that I am running on Custom ROM built on safe kernel.
But still you can follow up some good things which I mentioned out there.
As mentioned by some friend before, CPU Spy is a market app which basically tests whether your phone goes to deep sleep or not.
Rest explained here:
http://forum.xda-developers.com/showthread.php?p=26737124#post26737124
Hope this helps. And ya, you can Private Message me or Leave Reply here if you need additional Info

Not sure if this will help or not but if you go into wireless and press the menu key, there is an advanced option. Change the setting for "keep wifi on during sleep".

Are you Serious?

really? i barely used the phone. everyone is turned off except wifi and i did not even use the the browser. this can't be real. only that much time and it's almost halfway dead and i barely used it. i know there have been battery threads before but man... how can it be this horrible. btw juice defender don't do crap, i've had it for the today and yesterday, was crap so i uninstalled. had brightness are low as i can without making me squint.
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I'm no expert but it looks like you may have some serious wake locks?
Sent from my SGH-I727 using xda app-developers app

I've had relatively poor battery life as well... I went 12 hours with a recharge from 10 to 50% again before it completely drained...
I'm not impressed with the battery on this phone but everything else has been great.
... I'm starting to think I'll have to make my own Qi Charger for pant pockets... embed it in your pocket so whenever the phone is there it's charging. I'm seriously considering trying this to see if it's possible... if so, i'm doing it for sure. Or a carrying case with an extra battery and a Qi Charger... or a Qi charger dock for the car... you get the idea. Wireless charging shouldn't be the fix for poor battery life, but it definitely could help it.

The first thing I would do is remove that dreaded task manager

yo2boy said:
The first thing I would do is remove that dreaded task manager
Click to expand...
Click to collapse
it's too useful to remove....without it, i would be draining battery much faster.

jinjin12 said:
it's too useful to remove....without it, i would be draining battery much faster.
Click to expand...
Click to collapse
BZZZZT! Wrong answer. Rid of it, and turn off locale/Now when you don't really need it.

jinjin12 said:
it's too useful to remove....without it, i would be draining battery much faster.
Click to expand...
Click to collapse
Wrong.
Sent from my Nexus 4 using xda premium

Ahahahaha I didn't even see the task manager. Yes remove that and your battery should improve a lot. Also if you're running jellybean, you have an auto task manager.
Sent from my SGH-I727 using xda app-developers app

jinjin12 said:
it's too useful to remove....without it, i would be draining battery much faster.
Click to expand...
Click to collapse
Task managers mess around with Android's memory management and it is fairly well known that they usually end up draining more battery than they save. Try getting rid of it.
Also other people are reporting that the battery life gets better after a few days of using. Is yours really new? Im not sure how true that is btw.

Probably a combination of that task killer and a wake lock.
Sent from my Nexus 4 using Tapatalk 2

Install Franco's kernel. Battery life has been outstanding (1 Gmail account sync, 1 Exchange account sync, maybe 30 minutes of calls and 100+ texts a day; I have location services & Google Now enabled as well). I average 3+ hours screen on time and I normally end the day around 30% ...
I would stay away from task managers ... it's not that I know what's going on more than you or anyone else, but well established and respected kernel developers recommend against it. If these guys don't know then I honestly don't know who else does ...

yo2boy said:
The first thing I would do is remove that dreaded task manager
Click to expand...
Click to collapse
wideasleep1 said:
BZZZZT! Wrong answer. Rid of it, and turn off locale/Now when you don't really need it.
Click to expand...
Click to collapse
just uninstalled advanced task manager to diagnose the problem, and so far it still remains, so the task manager is not that problem.

jinjin12 said:
just uninstalled advanced task manager to diagnose the problem, and so far it still remains, so the task manager is not that problem.
Click to expand...
Click to collapse
You're gonna have to be patient for results. Also reboot and fix your wake locks soon and you'll see better battery.
Sent from my SGH-I727 using xda app-developers app

1. remove the task killer, you REALLY don't need it
2. Install BetterBatteryStats http://forum.xda-developers.com/showthread.php?t=1179809
3. Go on a wakelock witch hunt.
Question: were you on the same WiFi network the whole time? Is it your home network?

3thanol said:
You're gonna have to be patient for results. Also reboot and fix your wake locks soon and you'll see better battery.
Sent from my SGH-I727 using xda app-developers app
Click to expand...
Click to collapse
Yep...20-30 minutes won't tell the tale. I'd also recommend Brightness Toggle widget...allows a few extra steps (16 total, IIRC) of brightness control over stock, to fine tune screen brightness, often another culprit.

Turn off location access!!
Sent from my Nexus 4 using xda premium

This couldn't have gone in the existing battery thread for what reason exactly?
Sigh! The search feature really must be too mind-blowing for some people.
Sent from my Nexus 7 using xda premium

Or if you don't want solid advice/help, stop posting. And this should be Q&A.
Sent from my Nexus 4 using Tapatalk 2

How are ppl complaining about battery it's been nothing but stellar for me. running latest cm nightly this was with one hour of streaming music and one hour of GTA
Edit: I also flashed a ROM at around 80% so my battery would've been even better as reboots always drain some
Sent from my Nexus 4 using xda app-developers app

Fyi
Sent from my Nexus 4 using Tapatalk 2

Galaxy S4 Active Battery Life

Just got the phone today and have not had a chance to calibrate the battery but the battery life so far is horrible compared to the original S4.
Anyone else experiencing bad battery life on this phone?

I'm the opposite. I had the S4 for a week and a half and traded it for the Active a couple of days ago. My battery life has been better than the original. I've got this phone set up the same as I did the s4 too. It probably just varies on what apps you have installed.
Sent from my SAMSUNG-SGH-I537 using xda premium

Hardcore73 said:
Just got the phone today and have not had a chance to calibrate the battery but the battery life so far is horrible compared to the original S4.
Anyone else experiencing bad battery life on this phone?
Click to expand...
Click to collapse
I am experiencing the exact opposite. The battery life on my S4 Active absolutely smokes anything I ever got on the original S4.

My active is better on battery than my S4 also. Set up exactly the same
Sent from my SAMSUNG-SGH-I537 using Tapatalk 4 Beta

I traded my Active for the regular S4, the aqua looked good on the website but disgusting in real live. I'm getting much better life with the S4 running the 9505 firmware and some of the Samsung features turned off.

These are just a few shots of my battery life. This is standard and sometimes it is a lot better:
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I get the same battery life as joshuadjohnson22. Usually about 3.5 hours screen on and if im lucky I can survive 16 hours on a charge.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 4 Beta

The battery life on my Active is far better than any other phone I've owned. I got 5 1/2 hours screen time yesterday with over 16 hours uptime. Still had 15% left when I replaced the battery this morning. Never seen anything like that before.
Sent from my SAMSUNG-SGH-I537 using xda premium

I had the S4 for a few days and I was worried because my battery would be drained in less than 8 hours. Coming from an S2 that I had to baby to get through the day I was worried. Ever since I exchanged the S4 for the Active I don't really worry about playing games, even for a couple hours, because it easily gets me through the day.

Disable the only big battery drain I had was maps constantly updating my location. I disabled that and run on power saver. I woke up at 6am this morning and its 7:30 now, I still have 59% left. I used to average 22 hours on my old captivate so I guess I'm not doing too bad. I realize that having a phone that out performs most PC's is going to munch some milliamps.
I'm rooted, debloated, and try to avoid constantly updating apps. I use better battery stats to "tune" my usage too.
Sent from my SAMSUNG-SGH-I537 using Tapatalk 2

I had the phone for a week, and after a few days my battery was draining like crazy (lost 90% overnight with everything off).
I went to the store and got a new battery...so far it's been amazing. I think my back cover may not have been 100% locked in to be honest, not sure if that would affect it or not.

I used to get between 4-5 hours on screen time. Stand by time doesn't mean much. I have noticed that the display is brighter so that could do it.
I also tried the battery from my S4 and same results.
My original battery is on charger. I am going to charge to full and completely drain it and check on screen time and report it.

After I recalibrated the battery it is looking great now. 1 hour on screen time only used 10% battery.
I will keep you posted.

The battery on my active is much better than on my regular s4. The standby time is actually good. My regular s4 always loses about 15% an hour in standby with nothing running.
Sent from my SAMSUNG-SGH-I537 using xda premium

I never lost hardly any battery at all in stand by with my regular S4.
I also set my GSM battery app to disable apps I don't want to turn on either (ATT Locker, ATT Wifi, etc..)

I am at 13hrs with 30% remaining. I have 2 email accounts, weather, and a network monitor that sync actively. So far, I like this, coming from a note.
I just declocked the cpu today and intend to do some more dabbling.

Lasts from waking up til bedtime for me.
Sent from my SAMSUNG-SGH-I537 using xda app-developers app

Do any of you use the CPU part of the power saver mode? Is your phone slower and do you see more battery life using it?

Hardcore73 said:
Do any of you use the CPU part of the power saver mode? Is your phone slower and do you see more battery life using it?
Click to expand...
Click to collapse
I just use my phone without worrying about what is on or off...the battery has been that good for me. I don't have any clue why, but I have never gotten battery life this good out of any previous smartphone.

Loving the battery life of my S4 Active, better than my Note 2 on Verizon with Beans.