Develop Bugs

EVO lasted whole workday - now how do I get it to last ALL DAY?

ok, I'm in a great mood, I FINALLY got my EVO to last from when I leave home to when I get back home with normal usage (no point in only sending texts and short phone calls - if that's all I'm gonna do I coulda got a razr!) but here it is including settings and all with usage details included.
ROM: Damaged Goods 3.5
Running: Advance Task Killer, Battery Indicator, Voice Dialer, Call Filter, Handcent SMS, and google voice just WOULD NOT stay closed!!!
Settings: Auto-sync off, automatic brightness, haptic feedback is off, background data is off
Other: I charged with an external charger that I got off of ebay, so the battery had a good charge to it
Usage Details:
1:59 pm turned on wifi and unplugged the phone
1:18-1:19 short phone call, dropped to 98%
1:47-2:11pm web browsing. Battery dropped to 91%
2:25-2:26 quick facebook check, battery dropped to 90%
2:43pm - checked e-mail, battery dropped to 88%
2:54-2:56 - 2 min. phone call. no change in battery
3:04-3:33 - turned off wi-fi, played some pandora + web browsing. battery dropped to 77%
3:40-3:41pm - phone call. no change in battery
4:15 - battery at 75%
4:16pm - internet (checked e-mail and facebook status)
4:58pm - battery at 69%
5:00pm-5:03 - phone call. battery at 68%
5:04pm-5:09 started playing music and doing the transformers movie puzzle
5:09-5:11pm - phone call.
5:11pm-6:10pm - continued music and transformers puzzle, let a couple people that stopped me asking about the phone play with this and that feature, did a 4g speed test (over 7mbps btw) and other things.
6:10pm - 49%
6:11pm - 11:08pm - phone placed in airplane mode while I'm working
11:08-11:42pm - picked up phone at 39% battery, then continued playing music and transformers puzzle
11:42-12:27 - phone call. dropped battery down to 10%
1:02am - battery down to 8%
now - 1:25am, battery still on 8%
Froyo has definitely improved my battery life, I used to couldn't get this type of battery life out of my EVO. Oh and here's the screen shot at the end of it all to prove the phone was actually USED, and not just sitting around.
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to those that dont' know, when you see screen shots with a high percentage of phone idle and cell standby it means the person isn't really using the phone, just letting it sit, or only sending a text or something like that. Think about it - how much use is someone getting out of a phone if 20+% of the battery was used on IDLING/STANDING BY?
I think I'll try it again tomorrow since I have a longer shift, and thursday since I'm off and see if there's any difference.
The point of this post?
I wanna get even more tips to see if I can get more life out of this battery.
where are the people talking about they get 2 days' battery life out of it?
give me some tips to get to that level!!!

You could use setcpu to underclock the phone. Also maybe you should stop using advanced task killer as many people have mentioned on the board it isn't off any use in froyo it may actually harm battery life. I think the battery indicator may also be a potential battery drainer. You should just install the battery percentage mod.
Sent from my PC36100 using XDA App

Use cm nightlies with juice defender n setcpu I end the day around 50 with heavy usage to say the least
Sent from my PC36100 using XDA App

I just saw u had basically everything turned off....I had **** battery on DC roms too...even if I did all that....I run my phone how it's suppose to b ran....everything on and thats what I get...
Sent from my PC36100 using XDA App

Get the 3500mah Seidio Battery. You will never have to worry about your battery again.

here you go two websites that have my phone lasting from 7am - 11pm with use
1 - http://www.goodandevo.net/2010/05/20-tips-to-improve-htc-evo-4g-battery-life.html
2 - http://www.techhackz.com/2010/06/how-to-increase-your-htc-evo-4g-battery.html
the overclock widget and the settings is highly important I can take my phone off charger and 20-30 minutes later after a few txt messages I still show at 100%. I do turn off my 3g but I do run wifi... Try it out

Some of these people might not agree with, but I’m now pulling over 20 hours (possibly even more, I recharge when I get to around 30% battery) with heavier usage than you, exchange set to “as items arrive”, beautiful widgets set to sync weather every 2 hours, data always on, and no airplane mode at all.
1 – lose the task killer. Let things sit in the background. If the background items aren’t set up to sync, then the amount of cpu and battery they’re using are negligible. You actually might be wasting more battery and cpu trying to keep them killed.
2 – uninstall all stock apps like news, stocks, peep, talk, etc
3 – try the BakedSnack ROM, or at least his Baked1 kernel on your current ROM – his built in underclocking helped me out enormously.
4 – if you’ve flashed a bunch of ROMs lately, you might want to go through the Cyanogen’s battery recalibration process
You might also want to try setting up some SetCPU profiles, I don't think it's needed with BakedSnack, but it works wonders on other roms.
Also, your note about "how much use is someone getting out of a phone if 20+% of the battery was used on IDLING/STANDING BY?" is a bit off - I think your percentages are so low there due to your 5 hours of airplane mode. Can you post your uptime and awake time? That will give you a much clearer picture of usage.
And this part is a personal pet peeve of mine - if almost half of your 12 hours uptime is in airplane mode, that's not something to be proud of. it might be better than what you had before, but people are getting 10+ hours without airplane mode - if you have to cripple your phone to get good battery, that shouldn't count.

I think basically getting your phone to be underclocked when its idle will be the biggest help. The Overclock widget lets you set your processor speed. I am also running stock rooted 2.2 with all the garbage apps removed. I ran mine both ways with wifi and 3g on all day and wifi and 3g on demand. I have gotten very good battery life since adding OC. I agree that you should use your phone as normal and make your decision from there... but underclocking seems to be the way to go

fachadick said:
1 – lose the task killer. Let things sit in the background. If the background items aren’t set up to sync, then the amount of cpu and battery they’re using are negligible. You actually might be wasting more battery and cpu trying to keep them killed.
Click to expand...
Click to collapse
I tried that today, I'll post results at the end of this post
2 – uninstall all stock apps like news, stocks, peep, talk, etc
Click to expand...
Click to collapse
how?
I'm still an android noob
3 – try the BakedSnack ROM, or at least his Baked1 kernel on your current ROM – his built in underclocking helped me out enormously.
Click to expand...
Click to collapse
will try that out soon.
4 – if you’ve flashed a bunch of ROMs lately, you might want to go through the Cyanogen’s battery recalibration process
Click to expand...
Click to collapse
done that
You might also want to try setting up some SetCPU profiles, I don't think it's needed with BakedSnack, but it works wonders on other roms.
Click to expand...
Click to collapse
would that function differently from overclock widget?
Also, your note about "how much use is someone getting out of a phone if 20+% of the battery was used on IDLING/STANDING BY?" is a bit off -
Click to expand...
Click to collapse
but idle and standby is doing NOTHING - that's what my phone was doing when I had it on airplane mode, but yet and still such a SMALL amount of percentage was being used.
I think your percentages are so low there due to your 5 hours of airplane mode. Can you post your uptime and awake time? That will give you a much clearer picture of usage.
Click to expand...
Click to collapse
I HAD TO put the phone on airplane mode for the simple fact that my job has a very low signal (I think Kroger INTENTIONALLY blocks cell phone reception because I get a full signal outside, almost no signal inside, and it's like that at EVERY kroger I ever go to!) and if I don't put it in airplane mode, my battery would have drained extremely fast.
I don't have the up time and awake time because I didn't think to do a screen shot of it.
And this part is a personal pet peeve of mine - if almost half of your 12 hours uptime is in airplane mode, that's not something to be proud of. it might be better than what you had before, but people are getting 10+ hours without airplane mode - if you have to cripple your phone to get good battery, that shouldn't count.
Click to expand...
Click to collapse
the alternative is keep it off of airplane mode and have my battery die off in 2-2.5 hours. Yeah, I think I made the right choice in that instant lol, usually I don't use airplane mode except when I'm sleep

RTC88 said:
You could use setcpu to underclock the phone. Also maybe you should stop using advanced task killer as many people have mentioned on the board it isn't off any use in froyo it may actually harm battery life. I think the battery indicator may also be a potential battery drainer. You should just install the battery percentage mod.
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
where do Iget the battery percentage mod?
and what's the difference between setCPU and overclock widget's underclocking?

fachadick said:
Some of these people might not agree with, but I’m now pulling over 20 hours (possibly even more, I recharge when I get to around 30% battery) with heavier usage than you, exchange set to “as items arrive”, beautiful widgets set to sync weather every 2 hours, data always on, and no airplane mode at all.
1 – lose the task killer. Let things sit in the background. If the background items aren’t set up to sync, then the amount of cpu and battery they’re using are negligible. You actually might be wasting more battery and cpu trying to keep them killed.
2 – uninstall all stock apps like news, stocks, peep, talk, etc
3 – try the BakedSnack ROM, or at least his Baked1 kernel on your current ROM – his built in underclocking helped me out enormously.
4 – if you’ve flashed a bunch of ROMs lately, you might want to go through the Cyanogen’s battery recalibration process
You might also want to try setting up some SetCPU profiles, I don't think it's needed with BakedSnack, but it works wonders on other roms.
Also, your note about "how much use is someone getting out of a phone if 20+% of the battery was used on IDLING/STANDING BY?" is a bit off - I think your percentages are so low there due to your 5 hours of airplane mode. Can you post your uptime and awake time? That will give you a much clearer picture of usage.
And this part is a personal pet peeve of mine - if almost half of your 12 hours uptime is in airplane mode, that's not something to be proud of. it might be better than what you had before, but people are getting 10+ hours without airplane mode - if you have to cripple your phone to get good battery, that shouldn't count.
Click to expand...
Click to collapse
Would this calibration method be found on the CM Wikipedia?
Sent from my HTC EVO using XDA App

Systemfraud said:
Would this calibration method be found on the CM Wikipedia?
Sent from my HTC EVO using XDA App
Click to expand...
Click to collapse
All it is ...is do a full charge to 100% go into clockwork recovery advanced reset battery settings then restart phone n run till dead
Sent from my PC36100 using XDA App

the_hustleman said:
where do Iget the battery percentage mod?
and what's the difference between setCPU and overclock widget's underclocking?
Click to expand...
Click to collapse
No difference...except setcpu u can run profiles...setcpu is free on xda find the forum
Sent from my PC36100 using XDA App

the_hustleman said:
ok, I'm in a great mood, I FINALLY got my EVO to last from when I leave home to when I get back home with normal usage (no point in only sending texts and short phone calls - if that's all I'm gonna do I coulda got a razr!) but here it is including settings and all with usage details included.
ROM: Damaged Goods 3.5
Running: Advance Task Killer, Battery Indicator, Voice Dialer, Call Filter, Handcent SMS, and google voice just WOULD NOT stay closed!!!
Settings: Auto-sync off, automatic brightness, haptic feedback is off, background data is off
Other: I charged with an external charger that I got off of ebay, so the battery had a good charge to it
Usage Details:
1:59 pm turned on wifi and unplugged the phone
1:18-1:19 short phone call, dropped to 98%
1:47-2:11pm web browsing. Battery dropped to 91%
2:25-2:26 quick facebook check, battery dropped to 90%
2:43pm - checked e-mail, battery dropped to 88%
2:54-2:56 - 2 min. phone call. no change in battery
3:04-3:33 - turned off wi-fi, played some pandora + web browsing. battery dropped to 77%
3:40-3:41pm - phone call. no change in battery
4:15 - battery at 75%
4:16pm - internet (checked e-mail and facebook status)
4:58pm - battery at 69%
5:00pm-5:03 - phone call. battery at 68%
5:04pm-5:09 started playing music and doing the transformers movie puzzle
5:09-5:11pm - phone call.
5:11pm-6:10pm - continued music and transformers puzzle, let a couple people that stopped me asking about the phone play with this and that feature, did a 4g speed test (over 7mbps btw) and other things.
6:10pm - 49%
6:11pm - 11:08pm - phone placed in airplane mode while I'm working
11:08-11:42pm - picked up phone at 39% battery, then continued playing music and transformers puzzle
11:42-12:27 - phone call. dropped battery down to 10%
1:02am - battery down to 8%
now - 1:25am, battery still on 8%
Froyo has definitely improved my battery life, I used to couldn't get this type of battery life out of my EVO. Oh and here's the screen shot at the end of it all to prove the phone was actually USED, and not just sitting around.
to those that dont' know, when you see screen shots with a high percentage of phone idle and cell standby it means the person isn't really using the phone, just letting it sit, or only sending a text or something like that. Think about it - how much use is someone getting out of a phone if 20+% of the battery was used on IDLING/STANDING BY?
I think I'll try it again tomorrow since I have a longer shift, and thursday since I'm off and see if there's any difference.
The point of this post?
I wanna get even more tips to see if I can get more life out of this battery.
where are the people talking about they get 2 days' battery life out of it?
give me some tips to get to that level!!!
Click to expand...
Click to collapse
If you can flash an undervolted kernel, it makes a big difference. No task killer, and I wouldn't go with automatic brightness, it uses too much battery for my taste.
Anyway, I'm on CM6 with Snap kernel 5.01 and just got 22 hours 15 minutes with 30 minutes of phone calls, an hour 15 minutes of BT stereo streaming, approximately 1.4 GB of file downloads overs wi-fi, a good 30 or 40 text messages, and a bit of gaming, emails, web surfing, etc, where the display was on for 4 hours and 11 minutes... I was down to 4% when all done.

kris54241 said:
No difference...except setcpu u can run profiles...setcpu is free on xda find the forum
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
Setcpu is probably a little more complicated than Overclock widget, figuring your a noob thats why I suggested that but it has been working great for me. To remove apps you must be rooted and if you are you can use root explorer.

the_hustleman said:
how?
Click to expand...
Click to collapse
depends on the rom - but titanuim usually works. Just don't uninstall any of the stock weather apps - i've heard those can cause issues if you unistall. Makes sure that they're not set up to sync though.
the_hustleman said:
would that function differently from overclock widget?
Click to expand...
Click to collapse
sort of, it's a bit more advanced, and allows you to set up profiles. There are enough "SetCPU Settings" threads out there, that you shouldn't have too many issues setting up profiles. Again though, depending on the rom/kernel, you may not want to use either.
the_hustleman said:
but idle and standby is doing NOTHING - that's what my phone was doing when I had it on airplane mode, but yet and still such a SMALL amount of percentage was being used.
Click to expand...
Click to collapse
not quite - it's not just that your phone is doing nothing, those items also show that they're waiting to do something. In arplaine mode they're not even waiting, so the percetages will be much lower. I don't think I'm explaining this well, but by putting your phone in airplane mode, its telling standby and idle to stop being ready, and basically turn off, so of course the total percent will be lower.
the_hustleman said:
I HAD TO put the phone on airplane mode for the simple fact that my job has a very low signal (I think Kroger INTENTIONALLY blocks cell phone reception because I get a full signal outside, almost no signal inside, and it's like that at EVERY kroger I ever go to!) and if I don't put it in airplane mode, my battery would have drained extremely fast.
the alternative is keep it off of airplane mode and have my battery die off in 2-2.5 hours. Yeah, I think I made the right choice in that instant lol, usually I don't use airplane mode except when I'm sleep
Click to expand...
Click to collapse
That makes perfect sense - what I was really trying to say is that if you're putting the phone in airplane mode for that long, your battery time should be MUCH better.
the_hustleman said:
I don't have the up time and awake time because I didn't think to do a screen shot of it.
Click to expand...
Click to collapse
not sure what you mean here - you can find uptime and awaketime under settings in about phone under battery. was really just curious about the numbers not necessarily a screenshot, although you should be able to a screenshot of any screen if you wanted - try shootme from the market. - edit: just reread what you wrote, I misunderstood what you were saying

e-motion said:
If you can flash an undervolted kernel, it makes a big difference. No task killer, and I wouldn't go with automatic brightness, it uses too much battery for my taste.
Anyway, I'm on CM6 with Snap kernel 5.01 and just got 22 hours 15 minutes with 30 minutes of phone calls, an hour 15 minutes of BT stereo streaming, approximately 1.4 GB of file downloads overs wi-fi, a good 30 or 40 text messages, and a bit of gaming, emails, web surfing, etc, where the display was on for 4 hours and 11 minutes... I was down to 4% when all done.
Click to expand...
Click to collapse
I thought about CM, but that rom sucks, it doesn't even have SENSE!
why on god's earth would anyone buy an HTC phone if they don't want sense?

the_hustleman said:
I thought about CM, but that rom sucks, it doesn't even have SENSE!
why on god's earth would anyone buy an HTC phone if they don't want sense?
Click to expand...
Click to collapse
R u kidding dude...sense is slow n Burns battery...get real
Sent from my PC36100 using XDA App

just use baked snack and you will get 30+ hours with super fast stable rom...by far the best rom out there

kris54241 said:
R u kidding dude...sense is slow n Burns battery...get real
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
so why would u buy an HTC phone (that's gonna come with sense btw) if u don't want it?
the facebook implementation is the greatest.

Battery is dying at fast rate

For the past 3 days my battery is dropping at an incredibly fast rate. Even if its idle it will drop about 20 % every half hour with little to no use. I rooted my phone and am now running fresh with kings kernel but no change. I an even dropping in airplane mode. What can it be? I left it at 90% connected to wifi with the sync off and when I woke up 6 hours later it was at 20%. Any solutions?

Sounds like mine, just turning on the screen drops the batter 1-2%.

Hit menu and click on settings. From there, go to About Phone and then to Battery. Note the awake time and turn the screen off for thirty seconds or so. Turn the screen back on and check the awake time again. If it's not within five to ten seconds of the time you noted before you turned the screen off, something is keeping your phone awake, which does a number on the battery.

square parts or system panel might give a better idea of what specifically is draining your battery, or preventing it from sleeping correctly.

It seems fine, about 15 seconds difference. The weird thing is this only started happening about 3 days ago, I rooted yesterday, and its still doing it.

Go for what Fachadick said. Download and install Spare Parts from the Android Market. Go to Battery History and click on the dropdown box where it says "other usage" and click on "partial wake usage". If anything is taking up one of those bars, that's your problem.
If there's nothing notable there, it could be damn near any of your applications. When you root, you lose settings for you apps (depending on how you rooted), so your autosyncs could be going crazy. Might wanna check those.

TheMagicalSock said:
Go for what Fachadick said. Download and install Spare Parts from the Android Market. Go to Battery History and click on the dropdown box where it says "other usage" and click on "partial wake usage". If anything is taking up one of those bars, that's your problem.
If there's nothing notable there, it could be damn near any of your applications. When you root, you lose settings for you apps (depending on how you rooted), so your autosyncs could be going crazy. Might wanna check those.
Click to expand...
Click to collapse
What he said Rooting won't fix battery issues. Rooting and installing a new ROM is just like reinstalling your OS. It can fix things or not depending on how it is configured. Likewise it won't fix your phone if hardware is bad.
does it drop steadily or just the first 5-10% or so? There is a well documented issue where the trickle charge stops at 100% and then shuts off so the phone actually drains a bit before it kicks in again. When you first unplug it, the reading may drop quickly until it reaches the real level.
Likewise depending on what you have installed and how it is set up, there may be something keeping your phone from sleeping. Check for partial wake use like the previous poster said and that will tell you what process/application is keeping your phone awake and draining battery.

i had this same problem about the battery before i rooted my phone. after i rooted it i got overclock widget and i get through the day with so much more battery left. i make sure my battery is full right before i go to bed, i put it on airplane mode and go to bed wake up around 7 a.m.(my battery is always at 98 when i get up in the morning so 2% in about 8 hrs) and i get home around 8:30 and my battery is at 48%. and no i dont leave it lying around with the screen off. i constantly go on, text, internet etc.
hope it works for you too!
your friend.
Ninja25

I am having this same problem and it started about 2 days ago. I downloaded Spare parts and looked up the partial usage (screenshots attached). I'm not sure what I'm suppose to determine from this. Mail is showing with more fill-in than any other program, when I click on it, I get the details. Can someone help?
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

trhonda2000 said:
I am having this same problem and it started about 2 days ago. I downloaded Spare parts and looked up the partial usage (screenshots attached). I'm not sure what I'm suppose to determine from this. Mail is showing with more fill-in than any other program, when I click on it, I get the details. Can someone help?
Click to expand...
Click to collapse
It doesn't appear (to me anyway) that you're having any issues with partial wake time. You may have a runaway app draining your battery and cpu - system panel is invaluable for hunting those down. It will show you each running process with exacly how much cpu it's used. It gets even better and gives evenmore detail if you let it monitor your system over time.

turn off latitude

kthejoker20 said:
turn off latitude
Click to expand...
Click to collapse
How did you get that from his screens? Not doubting you, but where do you see that?
Sent from my blah blah blah blah

Thanks for the help fachadick, where would I get "System Panel" from? Couldn't find in the market.
P.S. - I'm a lady LOL

trhonda2000 said:
Thanks for the help fachadick, where would I get "System Panel" from? Couldn't find in the market.
P.S. - I'm a lady LOL
Click to expand...
Click to collapse
There I go, letting my prejudices get ahead of me again, sorry about that. I think in the market it’s called systempanel – one word.

So will the free version pinpoint the problem, or would I need to do the paid version?

trhonda2000 said:
So will the free version pinpoint the problem, or would I need to do the paid version?
Click to expand...
Click to collapse
to be honest, I'm not sure - I don't remember what kind of detail it gives you in the free version, but the app is so useful to monitor cpu and battery, as well as for hunting down rougue apps, I would recommend the paid version as a "required" app for all rooters.
when you load it up, the default screen is essentially a taskkiller - but more importantly, you can go into settings and have it show ALL processes, and if you select one of the apps or processes from that main screen, it tells you when it was started, how much cpu it used, how much memory its used, and at least in the paid version, a historical graph of cpu usage - so you can see exactly when it used the cpu over the past 2 hours, 8 hours, 1 day, 3 days, or over the past week.

Me Too - "Android System" extremely high - Stock 2.2
This is also happening to me from 4 days ago. I haven't installed any new apps in the last 15 days or so, and for good measure, i uninstalled the last 10 apps i installed before that. When i check battery usage, the "Android System" takes up between 60 and 70 percent. When i open it, it lists like this:
HTC Checkin Service
Settings
Upgrade Setup
Rosie Utility
Android System
Setup
Accounts & Sync
HTC Widget Download Manager
VPN Services
Network Location
com.android.qxdmlog
BrcmBluetoothServices
Settings Storage
Click to expand...
Click to collapse
Bluetooth is off, 4g is off (when's cincinnati going live already!??! Just the heart of downtown and the mall)
Wifi is off, and I've been turning off gps now, but i always used to leave it on and made it through the day.
"Cell Standby" is next with 8%, everything else below that.
I kill everything with task manager now and it doesn't seem to help at all.
It is not possible to exaggerate how fast the battery is being drained. It drops by 1-2% each 45 seconds or so. I've done the Charge-for-8-hours-turn-off-charge-trickle-charge-unplug-trickle-charge-unplug-etc thing last night and no help. This is with no widgets installed, no live wallpaper, no music, when for months i can make it through the day with a little pandora, bluetooth while driving, a game or two, internet, maps, and several other apps throughout the day. I've stopped everything but messaging and phone calls and it still drains just as fast.
PLEASE HELP!

I don't know if this applies to anyone in this thread, but after installing a new rom sometimes I forget that the Gtalk/Gchat app resets itself to automatically sign in, and drains the battery while running in the background.
Changing it to not run automatically helps out for me, although I feel that I may have gotten slightly better battery life out of the rooted stock rom than running the King kernel I'm using right now. At least in terms of percentage drop. I never really reset my battery stats or recalibrate after installing a new rom, don't know how much that has an effect on the readings.

This is turning into a deal breaker
Its not latitude, off. Not ANYTHING as it still happens with everything off and all apps killed in task manager.
No background, no live wallpaper (even though i used to have one all day). No music (even though i used to have pandora on a couple hours a day). screen brightness is always low (even though i used to leave it above medium, and would turn it up to high to watch video or a game, and still made it most of the day before).
The phone's battery use thing swears its "Android System" thats taking by far the most, not even cell standby got larger when i unplugged it in the basement where there's no service.
i've turned off everything i could think of, no apps 'auto update' and i've put all syncing and updating and stuff to manual or off that i could find.
I don't think its a faulty battery because it is ridiculously noticeable that something has changed in that ANDROID SYSTEM is now a power hog. Why and what do to?????

wlpywd said:
Its not latitude, off. Not ANYTHING as it still happens with everything off and all apps killed in task manager.
No background, no live wallpaper (even though i used to have one all day). No music (even though i used to have pandora on a couple hours a day). screen brightness is always low (even though i used to leave it above medium, and would turn it up to high to watch video or a game, and still made it most of the day before).
The phone's battery use thing swears its "Android System" thats taking by far the most, not even cell standby got larger when i unplugged it in the basement where there's no service.
i've turned off everything i could think of, no apps 'auto update' and i've put all syncing and updating and stuff to manual or off that i could find.
I don't think its a faulty battery because it is ridiculously noticeable that something has changed in that ANDROID SYSTEM is now a power hog. Why and what do to?????
Click to expand...
Click to collapse
Have you pulled the battery lately? Give that a shot.

6 days of battery. (updated June-04)

Motorola Defy 6 days with a single charge.
Connected to network for phone calls and to wireless lan, wireless sleep policy: Never sleep. Only 2g. Getting Gmail notifications 24/7.
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As seen in the graph, i didnt use the phone much, just the 6th day, used it for 5 hours installing apps in the market and draining out the last 20% juice, which could possibly add more than one day and get the full week
I have China Unicom 1.11 (Froyo 2.2.1) *Now i have China Unicom 2.10 (Froyo 2.2.2) Same results.
Edited /system/build.prop and increased value of dalvik.vm.heapsize=42m
setvsel 18-300 30-600 40-800 (Underclock starts at boot to save lots of energy)
Wireless Lan policy set to never sleep (incredible but it actually increases battery life)
With stock dialer to record calls
Removed all screen widgets
I backed up everything system/user apps with titanium backup root
then i use titanium to safely remove system apps and restore some if something fails:
Removed:
VPN Services 2.2.1
Visualization 1.0
Voice Search 2.0.2
TTS Service 2.2.1
Tilemaze
Sudoku
ContactdUnconnected
Social Networking
Social status
Social messaging
Social messaging service
Messenger 6.5.0
Sinaweibo
shop4apps
QQ
News 2.2.1
News and Weather
Mobee
Maps
FOTA
Adservice
Motorola Photowidget
Landlord
Maps
I use:
Launcher Pro (instead of stock blur launcher)
OSMonitor to check which apps eats the most; and never install something that i foresee im going to use only twice times a week but starts at boot an run 24/7
BatteryMonitor widget to draw battery graphs
Setvsel to underclock
Gallery++
Rockplayer
Vplayer
Ebuddy + Mercury for msn
Sound Recorders
Colordict
SoundHound
Zedge
Etc.
None of them starts at boot and i dont use task killers,
I did some testing, the more you use the phone the more draining because of the screen 50%, radios are the next, gps, and then cpu.
The best way to afford battery is, you can't save much energy really, but the important is when you have the phone in your pocket in standby state which is most of the day, to get it to drain the less possible. When in pocket you dont need 3g, gps, or some other stuff, turning it off is good, sure there are apps in the market who does this automatically.
In my graphs its 0.5% battery every hour, in standby for 24h it drains 12%.
Other roms drains 1%-2% per hour, that is 24%-48% a day. In standby mode!!
I used barebones for a few days, and it drained 5% per hour in standby!! 5 hours in my pocket = -25% battery! or 100% in one day; I dont blame barebones, i just dont know what happened, what is sure my cpu was limited to 300mhz while screen was off. (setvsel) and i noticed no apps was draining more cpu than they should. but maybe some app avoided "deep sleep state"
1 hour duration call is 10% of battery for me with this rom. if you can minimize the drain while the phone is in the pocket, the best.
I have a theory this is possible because of the deep sleep state in this rom is working a lot better than in others. Deep Sleep = CPU shuts down for a period of time, and when some counter reaches zero (apps set up counters all the time) then cpu is awaken and it does its job.
In a Rom working well, you should get lots of this system messages (you can view then in OSMonitor.
<4>[52286.366027] Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
<6>[52286.393585] PM: Resume timer in 42 secs (1402077 ticks at 32768 ticks/sec.)
Widgets and annoying apps who upgrade itself every 60 secs disturbs this sleep and drains more battery.
With barebones 1.5.1 i got no sleep logs at all (i dont know to blame barebones or some rogue app disturbing the phone's deep sleep) if someone notices, please let me know.

Details please
My DEFY in standby takes about 2% battery on hour. This subject is very itresting for me.
Maybe you write some details, which rom you use, what crapy stuff you wipe? What ap. you have instaled and use?

wow 6day of using.by the way could u elaborate more on your daily usage.as my phone can last 3 day (eclair)with minimal use without play or surf.

congrats
My DEFY made it for 3 days... but I'm using it alot so I'm fine with that Had a PalmPre before and the Pres battery last for 8 h with only 2g turned on...

eyezum said:
wow 6day of using.by the way could u elaborate more on your daily usage.as my phone can last 3 day (eclair)with minimal use without play or surf.
Click to expand...
Click to collapse
Almost no calls, only alarm is set, i just pick it up when i hear the notification sound for sms or emails, read them fast and i go back to my business. The last day i used it consistently downloading stuff from market and executing apps for 5 hours, to spend that last 20% (i wanted a full charge nextday) so it could have been 7-8 days.
But eclair is not as optimized as Froyo. You should upgrade to gain some more speed / battery life. And i think the most important stuff for battery life is setvsel + wireless + 2g
I first used setvsel long time ago, and noticed 24-48 hours increase between charges, and after the wireless trick, i noticed another + 12-24 hours increase in battery life. (these are aproximations because unfortunely i didn't make any test)

Automatic sync drains alot
I get my DEFY up to 3 days when I'm on roaming cause the automatic sync is deactivated. If not it lasts only 1 day with "similar" using profiles.
Does anybody know if the DEFY switches to 2G when auto sync is deactivated? I use Widgetsoid to do so.
Thanks,
hartmuna

My Defy needs charging every 24 hours - I am a low user.
My sons Defy needs charging TWICE in 24hours - he is a medium to high user.

6 days is pretty impressive but with no to little use kind of defeats the purpose of the phone. Right now, I am using jboogies liquidarc (which is sweet!), I use my phone regularly (phone calls/texting, wifi/internet, gps, games, etc).
I am 84 hours in with 30% left. When I first got the phone before I started flashing custom roms, I'd usually charge every night or at most 1 1/2 days in...now I nearly forget that I actually have to charge the dang thing

Mine has done 25% of the battery in 24 hours, it is a stock SIM free UK Defy running 2.1 and launcher pro rather than the blur launcher.
Usage over the last 24 hours is:
mobile standby 23hours 58 minutes.
phone idle 22 hours 18 minutes.
display 1 hour 39 minutes.
wifi 38 minutes.
I have used it for twitter, facebook and to collect emails over wifi only, the phone is set to 2G only. I cant recall making any calls but i have sent around 100 texts and MMS. Only widget i have running is battery monitor.

I use the app "Timeriffic" to:
-send my phone automatically in flightmode at 11pm
-deactivates flightmode and deactivates sound at 6am
-activate sound at 10am
At 10am I am awake in 99% of the cases. It deactivates flightmode at 6am so I can take a look at the LED when I wake up.
Other possibility to save energy is to deactivate vibration completely.

Very impressive
thanks for sharing
P.s
there used to be a thread where people wrote what's a must in motorola services and what can be uninstalled.

thanks very much，but it's a little unblievable

Why do you think it's "little unbelievable"? I've also managed to obtain 4 days with moderate use (around 10 hours of radio and music listening, 30-45 minutes talk-time). The secret is to undervolt your terminal using SetVsel, to remove the bloatware and set network on 2G.

He got 6 days because he only downloaded stuff in wi-fi. I've done plenty of testing, and what kills the battery is having open mobile data connection (3g more son than 2g). You can get a lot of extra juice from switching 2g/3g and much more by killing the mobile data connection. (widgetsoid switchers will help you with it).
Once I noticed this (I stayed home a whole day and had 90% of battery, thanks to wifi), I was happy to know that my phone was no different to those with super long battery life. That said, I think that as long as it goes for whole day without problems, its fine. And with setcpu and a blurless rom, thats easy to get.
Just find the right balance between battery life and features for you and enjoy your phone!

8 hours flight mode 1%

My Defy is charging every night , max battery life is 36h

With UltraJuice on, after 48 h since unplugged, this morning it still had about 30% of battery. I charged it for like half an hour not to have surprises.
Usage: about 30-40 minutes of talking, 3G with data off (probably 2-3 syncs over the day), about 30 minutes of wireless (syncing), some 30-60 minutes of Angry Birds, etc (maybe a few camera shots, a few USSD requests, looking at the clock, searching in the agenda). Ringer at 100%, vibration on, screen on auto.

quzo said:
My Defy is charging every night , max battery life is 36h
Click to expand...
Click to collapse
same situation here

I treied to use it 2 days but it was empty in school the seconed day..
noe charging every night...

ziffos said:
My Defy needs charging every 24 hours - I am a low user.
My sons Defy needs charging TWICE in 24hours - he is a medium to high user.
Click to expand...
Click to collapse
My one too., I need to charge everyday even my call usage less......

[Q] Battery life - Stock, CM7, Pays

Hi there,
So I'd my Defy for a little over 2 months now and I have used the mentioned ROMs with it for at least a week each. It first had Eclair, I promptly changed that to a Pays version of Froyo and now i'm using Quarx CM7.
A lot of my friends have this phone and report battery life of over 24h. They do work in places where they can connect their phones to their laptops and car charger, and they are lighter users than me.
But I'm a med student so I get out in the morning around 6 am, unplug my phone and go to the hospital returning home around 8pm. 14h later my phone is already at 33% charge. I keep wifi turned off, 3G off and use my phone to check MedScape(a medical info repository) and e-mail/facebook 6 times a day and listen to music for 4h.
Is that a good battery life? i mean, for a new phone. I imagine that if I let my 3G i won't get to the middle of my afternoon without needing to recharge.
Around the forum I read about people with OVER 48h of battery life, HOW?
thanks in advance.
Also, as I know it will be asked. My signal reception is flawless all through my working environment.

The .sbf you flashed (for the kernel) is apparently a big factor in batterylife, which did you use under cm7 ?
Which version of cm7 are you running?
Also are you using setvsel?
My settings are 300/23, 600/33, 800/43, and i have gotten almost 5 days battery use on a single charge, with
-texting for atleast 48hr time, intervals of short(10min) periods as you would expect
-maybe 20 mins phoning
-wifi on for half the time when i forget it overnight etc(my profile disables wifi on screen off however-good for light, but battery drain if you lock phone a lot)
-Get the following: OSmonitor, Battery monitor widget.
These help to track what apps eat battery, and kill processes with minimal(1%) drain, that if you arent using then you may aswell take all the battery back that you can
What are your display settings? eg auto brightness, renderfx etc
Thanks

software
I'm using the latest CM7 by quarx 5.1 and for base i'm currently using 3.4.2-177 nordic Blurless.
I wasn't currently using any undervolting settings to make a baseline screening of the phone with CM7 but i'll try yours and install the apps you've mentioned.
i'm using auto-brightness because of the bugs involved in disabling them in CM7 5.1. And haven't messed with renderfx so far.

Ok firstly i have only tested on 4.0, 4.1 and 5.0 so these suggestions are very likely to work but if certain settings are different in 5.1 then they may negatively affect you- just a thought
Undervolting is actually incredible on cm7 and works a charm, its still super responsive and load times are still less than that of any 2.2 i have tested WITH overclock
Start on about 300/600/800, 30/45/50 and go down marginally-different phones may have different yields to this due to apps running, previous cpu stress etc
(Remember to untick 'start on boot')
Also, the medical database you mentioned- does it contain any 3d renders etc?
This may require you to raise the voltage a little to keep it stable for anything you may to run aswell-- all the apps i have tested such as angry birds, 3d racer games work perfectly btw
Ok, there are extra options that allow you to further change the auto brightness inside the CMsettings under >Display>Automatic backlight
You might wish to experiment if you have time (decrease sensor check-times, lower overall brightness etc), however it likely isnt worth pursuing as the new Quarx beta shows brightness fixes in the changelog already, so just wait is my advice if you are short of time
Ooh and renderfx seemed to drain my battery more on any of the n1 settings, however it may be mix/match to get it right

Hum, I've had bad experiences with undervolting in 2.2 but I'll be sure to try it.
As far as medscape goes, it's just text, no image whatsoever it's just a big list with descriptions "acetaminophen - what does it do, how, dosages and stuff" really useful though
will post back when I have more info from the apps you've mentioned. So far I had used watchdog and it hasn't barked at any of my apps

As long as you take it slowly, undervolting is no problem- also try and minimize the amount of useless apps you have, since many of them run in the background by default without a way to exit them, meaning you constantly waste resources on them and thereby limit the amount of UC/V'ing you could acheive.
Ok thats cool, i was just curious as you clearly need/use that app often
Alrighty then, hopefully you can get some better battery life out of it -good luck

i don't actually have that many apps installed
3g watchdog, only on when 3g is.
angry birds
battery monitor widget
chrome to phone
documents to go
dropbox
evernote
facebook
epicurious
foursquare
gmail
goggles
mnote
msn mercury
music junk
music
pulse
sms backup
soundhound
talk
wifi manager
youtube
well, not that I've written it out, they are quite a few.

He probably means you should use something to kill useless apps running in the background. Look for Advanced Task Killer at the market and install it so you can kill apps that are running in the background but that you're not using.

@Behemia 5 days is awesome in my experience, and you are using your device the same way I am
could you please tell us which kernel are you using (savaged Zen maybe?) and which baseband (if you changed it)?
thanks!

im using cm7 with 3.4.3-11 kernel, undervolted to 300/18-600/30-800/45, kill apps with es task manager quite a lot, 3g or wifi is constantly on, and brightness is set to medium (for some reason auto brightness doesnt relly work for me), and i still cant get one day out of it. battery calibration helped a bit though (i recommend that app to everybody having battery life issues!). is that normal?

Report
So, I've done some of the changes proposed. Undervolted to 300/28 600/41 800/47. Installed Battery monitor Widget, OSmonitor left the phone with 3g off and wifi off when not in use(most of the time) and right now I've got 1% of battery left. That's 1d09h30min after unplug.
Below are the times in ms from the applications that I've used according to battery monitor widgets.
sms 814409
facebook 518805
contacts 355178
dialer 212996
gmail 195103
winamp 67868
medscape 2728
And here battery use report according to system
display 21%
phone idle 18%
stanby 17%
voice calls 15%
OS 7%
media 4%
winamp 4%
gmail 3%
facebook 2%
I'm not saying that 33h isn't good. But my use in this time has been way below my average for myself and the way below most of what I see described here. Plus I don't see any bloatware running nor I do see my apps hogging my battery. Facebook and Gmail push notifications are set to occurs over 2h apart.
Any ideas?
Also, as I finish this thread the phone finally vibrates and dies. Let's put it back to charge and look for more ideas.
thanks in advance everyone.

@lionheartpl
which kind of sim card do you own? i mean an old 64k or a brand new 128k? i upgraded mine from 64 to 128 due to a mobile operator change and my battery usage (same mod, same apps, same usage, same baseband) dropped from 2-3% hour usage to 1% in more than 1 hour. So battery usage has dropped a lot...

Running stock UK 2.1 i could get 4 days standby if i was just texting and a few calls. with the stock UK 2.2 undervolted to 300/22 600/32 1000/52 i can get 5 days easily but i cant see the point in it cos you dare not really use it, i would rather drop down to 1 or 2 days and give it some usage.

Hello everyone,
I'm getting a very good perfomance with the barebones froyo 1.5.6, check this behavior at night:
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That's like 2% loss in almost 8 hours!!!
Right now I am using the version 1.5.1 because I was told it has a better perfomance than the 1.5.6. I'll post my results in a few days.
Also, I use my Defy to be connected to windows messenger network all the time. I'm trying a strategy in order to not drain battery so much:
http://loqueselocomparto.blogspot.com/2011/08/messenger-en-android.html
Check it out

Even i m not getting a good battery life on CM7 RC1 V1, latest Nightly(9th Aug)
using base band switcher as i m from India
i lost around 18 to 20% every night between 12 to 8am.
over with minimum usage i can get 24 hrs thats witout any music and games, call for 30 mins
not sure what to do
some one please help

I can get about 2 days out of a charge. I am using 300/35 700/42 1000/50 and have had no problems. I recommend using battery calibration! A trick that I have learned is to let it charge to 100% do a battery calibration and then leave it plugged in for a while (30 mins). I have my wifi on all the time and run the smartass profile in settings.
good luck!
Chem57guru

Is anyone draining at 1% per hour in sleep mode & how are you doing it?

Is anyone draining at 1% per hour in sleep mode & how are you doing it?
I've read some folks draining at less than 1% per hour sleeping. I'd be happy if I can achieve 1% per hour sleeping.
Anyone getting this or better? If so, share with us your secret!
Here's what my phone is like:
LTE version
Kang, milestone 3
Franco 16.2
max 1000, min 350
no undervolt
no solo cpu mod when sleeping
wifi off
gps on
bt on
My best performance is about 1.5% when sleeping. I charged up my phone to 100% and then unplugged it and let it sleep overnight. 7hr:45min later, woke up and it's at 88%.
I did wipe battery stats when switching ROMs, so it's fresh.

I unplugged my phone last night (100% charge) and 8 hours later this morning it was at 94%. So a little under 1% per hour.
Using stock Android 4.0.2 GSM. Wifi was on, Bluetooth off, GPS on, Sync on. Sadly no secrets to share, been pretty happy with the battery life though.

I have stock 4.0.2 and i get even lower numbers than that.. last night i charged it up to 100% and when i woke up (8 hours later) it was down to 96%.
(gsm)

where did you get the franco 16.2?? ^^

I lose about 0.5% per hour in idle. After 8 hours, I have about 96-95% battery left. This is the GSM nexus with the official 2000 mAh extended battery. Not sure if you have GSM or LTE.
Kang, milestone 3
Imoseyon's Leankernel 1.7.4
max 1200, min 350
stock undervolt that is on the kernel
Interactive X governor
wifi off
gps on
bt on
I get around 4 hours of screen on time.

Make sure anything you have syncing is doing it at a moderate level, when I set up my two email accounts they were set to push and sync every 15 minutes, both are way too much for what I need email for so I set them both to an hour.
Also, changed twitter to only manually sync being that it only takes a couple seconds to due and saves the phone from unnecessarily turning on from sleep.
Don't know if this helps but maybe try turning NFC on if you don't use it?
Disable Facebook contact sync as it doesn't work with 4.0 anyways.
If you can, disable bluetooth, same goes with GPS/Location services.
If you have fancy widgets/beautiful widgets, see how often they update location/weather.
Sorry if it seems like every other point here is just checking what is syncing and what not but when your phone is sleeping those are really the only things that will effect battery life.
Edit: Wiping battery stats has been proven to not do... Well anything.

qtx said:
I have stock 4.0.2 and i get even lower numbers than that.. last night i charged it up to 100% and when i woke up (8 hours later) it was down to 96%.
(gsm)
Click to expand...
Click to collapse
same with me ... using stock 4.0.2 ... drain is about 1% per 2 hours

I drain 1% every 2-3 hours. So after 8 hours i'm at 96% overnight. This phone has superb idle drain. This is with wifi connected, 2 gmail accounts synced, 1 calendar, contacts and picasa, gps is on. But i do not have facebook app installed. I am stock 4.0.1 and dont have many apps installed, only what i use.

mine is great when idle but as soon as I start using it it drops precipitously any ideas or fixes?

AndreaCristiano said:
mine is great when idle but as soon as I start using it it drops precipitously any ideas or fixes?
Click to expand...
Click to collapse
Sadly, lower the screen resolution is probably the easiest way that will notch the best gain in battery life. These screens require a lot of power especially at their brightest settings.

Sign out of latitude...
so key to good battery life

I have the GSM Galaxy Nexus running stock 4.0.1 and I consistently lose 4-5% in 6-8 hours overnight with...
- WIFI on
- 3g/4g on
- GPS on
- bluetooth off
- NFC off
- syncing 2 emails, 2 calendars
- lightflow running LED notification for max 2 hour but on silent (not uncommon for a couple of notification go off during the night)
- beautiful widgets with 1 hour sync
- no effort taken to kill facebook or other backgroung apps.

Try out the new 4.0.4. You're standby drain will go down considerably.

OP, are you on a GSM or CDMA Nexus? Are you on 3G only or LTE/3G?

Ravynmagi said:
I unplugged my phone last night (100% charge) and 8 hours later this morning it was at 94%. So a little under 1% per hour.
Using stock Android 4.0.2 GSM. Wifi was on, Bluetooth off, GPS on, Sync on. Sadly no secrets to share, been pretty happy with the battery life though.
Click to expand...
Click to collapse
Yep. That's about the same exact thing I get on a day-to-day basis with the same settings you mentioned. In addition, I don't think I've ever turned NFC off. So pretty much everything but Bluetooth stays on for me overnight.
Sent from my Galaxy Nexus using xda premium

Sounds like you may have a wakelock check your awake time com paired to your screen on time , if its considerably more then you may have some apps waking your device. For me it was Google maps so I disabled it for now till the update. I used betterbatterystas to find the wakelock. Now I get 3.5 hours screen on time and under 1% drain per hour
Sent from my Galaxy Nexus using xda premium

you guys realized that gps and bluetooth do not drain battery unless you are using them so it doesnt matter if they are on. GPS will only turn on when an app needs a lock and bluetooth wont use power unless its transmitting to another device. im not sure about NFC but i would think it works the same way. as long as you dont have anything syncing or losing reception at night then you should only lose about 5 percent in 7-8 hours. this is the case with most android devices that i've own.

best I have got is 2% loss in 7 hours...
running milestone2
-undervolted
-1200/350 interactive
-wifi on
-gps off
-bt off
-nfc on
-syncing gmail, calender, twitter, g+ and voice
-No active widgets
screen time is 4 hours if set manually (2000mah)
unless you are in sunlight, auto bightness is too high

neotekz said:
you guys realized that gps and bluetooth do not drain battery unless you are using them so it doesnt matter if they are on. GPS will only turn on when an app needs a lock and bluetooth wont use power unless its transmitting to another device. im not sure about NFC but i would think it works the same way. as long as you dont have anything syncing or losing reception at night then you should only lose about 5 percent in 7-8 hours. this is the case with most android devices that i've own.
Click to expand...
Click to collapse
Bluetooth searches for devices like Wi-Fi searches for access points. You kinda missed that...
Sent from my Galaxy Nexus using xda premium

ogdobber said:
best I have got is 2% loss in 7 hours...
running milestone2
-undervolted
-1200/350 interactive
-wifi on
-gps off
-bt off
-nfc on
-syncing gmail, calender, twitter, g+ and voice
-No active widgets
screen time is 4 hours if set manually (2000mah)
unless you are in sunlight, auto bightness is too high
Click to expand...
Click to collapse
Basically the same but
GPS on and stock battery
No twitter or voice, sync everything else, plus docs, picasa
1% in nearly 6 hours.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Best tool, use betterbatterystats and reduce wake locks to a minimum
EDIT:wrong screenshot