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Hi to all of you !
I hard reseted my device and made this simple test.
Charged the battery to 100%, left the touch cruise on my table without doing nothing for 12 hours, then checked the battery status again ->73%
This does not seems normal to me !
Anyone else has this problem??
Dag
daghood said:
Hi to all of you !
I hard reseted my device and made this simple test.
Charged the battery to 100%, left the touch cruise on my table without doing nothing for 12 hours, then checked the battery status again ->73%
This does not seems normal to me !
Anyone else has this problem??
Dag
Click to expand...
Click to collapse
it depends on what rom you are using.
I also heard that by hard reseting or flashing other roms, you are erasing something on the memory and you need to cycle your battery like 4-5 times in order to work properly, yet again i might be wrong.
I am using the official WM6 french rom !
I also instaleld ACBTaskman and try to monitor battery usage but the POWER(mA) value is N/A when the USB cord is unpluged, is this normal?
Should I make the test with the USB cord pluged in ??
Dag
"without doing nothing"
That might be the problem. Perhaps if you left it without doing anything then it won't use up quite the same power.
andyturner said:
"without doing nothing"
That might be the problem. Perhaps if you left it without doing anything then it won't use up quite the same power.
Click to expand...
Click to collapse
Bloody foreigners?
Are you sure not falling in bug HTC models with GPS? Excessive battery drain CONFIRMED - FAQ added?
Hello,
Are you sure your phone does not automatically connect to the Internet so as to get those weather reports?
Is the HSDPA turned on? (Settings -> Connections -> HSDPA icon) If you do not need this, then set it to Off, Windows will prompt you to reset in order for this change to come into effect.
Is Wifi turned on? This drains the battery quite quickly
Does the backlight switches off when your phone is not in use? (Settings->System->Backlight icon). If not, make sure it does!
Finally, I use PowerGuard which is free. It shows you a negative number for the amount of mA your device uses (i.e. your device draws current from battery), and when you plug in the charger it shows a positive one, indicating the battery is recharging. Mind you though, it will not measure anything, if your device is in the "off" state.
When running no program, I get a current consumption of around -35mA. So, according to another thread, I have the issue of the GPS bug... Frankly, I have never been able to have a current consumption of 1..3mA as this link suggests:
http://forum.xda-developers.com/showthread.php?t=371734
If anyone else has managed to get that current, please let me know!
zoltansz said:
Bloody foreigners?
Click to expand...
Click to collapse
I bet as an english speaking person you probably speak 3 languages (english, english and english!)
Are you sure your phone does not automatically connect to the Internet so as to get those weather reports?
NO weather update is disabled !
Is Wifi turned on? This drains the battery quite quickly.
NO wifi is turned off
Does the backlight switches off when your phone is not in use? (Settings->System->Backlight icon). If not, make sure it does!
Yes it does switch off
Finally, I use PowerGuard which is free. It shows you a negative number for the amount of mA your device uses (i.e. your device draws current from battery), and when you plug in the charger it shows a positive one, indicating the battery is recharging. Mind you though, it will not measure anything, if your device is in the "off" state.
I also use powerGuard, so should I set the PDA not to turn itself off so that I get a constant reading of the battery mA ?
What is the "off" state? Is it when I press the power button for 1 second?
I seem to see some power consumption peak every 5minutes for a couple of seconds (-300 to -400 mA), but have no idea where they come from ? Everything is disabled, my TC has just been hard reseted ?
Any other ideas?
Dag
What are you using 3G or GSM?
If you are using 3G and the radio reception is poor ...
TDO
3G is enabled in the phone, but it is mainly connected using EDGE or GSM.
I don't have 3G network at home!
ok, what about the HSDPA?
Is it feasible to disable 3G? I have no idea how 3G works, can it be the case that since it is not feasible to get a signal, your device having 3G turned on consumes most of its battery trying to find a singnal?
Battery can be drained faster if the signal reception is not very good...
If i leave the phone switched on with nothing running, i do not have those peaks you mentioned.I would say 400mA is quite high...
If I want to really check my TC, should I let the screen always on (with the lowest light) or should I tell it to turn the screen off after 2 minutes or so?
It seems that if the screen goes off the measure are not made any more by PowerGuard !
What do you think?
Yes it goes off, so I adjust it so it does not switch off after a couple of mins. I would not bother leaving it on, all night long, I guess, if you leave it on 5-10 mins it should be representative of what happens.
While in this mode (screen on, but dimmed), I rarely have a consumption above 200mA (that is -200mA), the usual one is around -35mA. I get some spikes as well, but certainly not -400mA.
If the screen goes off and leave it like this for say a min, and then switch on the screen again, (by pressing the power button once), I can see a really very low consumption for a few seconds. Although powerGuard does not measure battery drain while screen is off, it seems that power consumption does go down a little bit, when you leave the device without doing anything.
To be honest, I do not know what will happen if i leave mine overnight and unplugged. Maybe I get the same power consumption as yours....
How bright your screen is? Mine is really low, on the second line from the left, for both battery power and external power....
ok I got it! I made some test tonight and found the same results as yours. I also set the screen brigthness to its lowest possible level and get an average of -30 to -35 mA. I have peaks to -200 mA pretty often.
The peaks to -400mA was a misreading of the scale, sorry!
So know we know we have the same device and the same problem, what can we do about it !
Could it be a battery problem? Mine is a HTC model : POLA160, 3.7VDC, 1350mAh made by "Total wireless solutions".
What's yours? what's language is your devie in? Should we try on of the cooked 6.1 rom for the cruise?
Dag
daghood said:
ok I got it! I made some test tonight and found the same results as yours. I also set the screen brigthness to its lowest possible level and get an average of -30 to -35 mA. I have peaks to -200 mA pretty often.
The peaks to -400mA was a misreading of the scale, sorry!
So know we know we have the same device and the same problem, what can we do about it !
Could it be a battery problem? Mine is a HTC model : POLA160, 3.7VDC, 1350mAh made by "Total wireless solutions".
What's yours? what's language is your devie in? Should we try on of the cooked 6.1 rom for the cruise?
Dag
Click to expand...
Click to collapse
Turn off the radio completely.
If the peaks disapear you know that you have a poor receiption.
Than the behavior is normal and you can't do anything. (every phone will show the same)
TDO
hi again,
i think i am fairly ok with the current consumption. Basically, I will listen to a couple of hours of music using core player every day, sometimes more, sometimes less. I may make a couple of phone calls as well... Depending on how long i spent listening to music, starting from 100% around 8am, I end up with 60-80% around 8pm.
60% after listening music for quite long (few hours) plus watching some video while in train,maybe 30 mins of video or so...
80% if i listen to music maybe for 1-2 hours max.
Mind you though, the battery meter will go down from 100 to 90 quite easily, but it will not go down from 60 to 50 so easily. I was trying to drain the battery one day, and while it showed around 60% I let it overnight. I do not remember the exact reading, but the next morning it was quite above 40%...
Essentially I would say this is a device which consumes quite lots of power, I always recharge it when i come back home. I reckon, it would not last beyond 3 days on a single charge, which is something I have accepted.
For long journeys in train or while waiting in airports, I know the battery will not last long, and in such cases I am sure I would like to watch a movie, or use messenger over GPRS or if I am in the airport maybe use WiFi... For these cases, I ordered a separate battery, my guess is, it is as big as the phone though
http://www.gpsforless.co.uk/product_details.php?id=12207
However when I am travelling, I always carry a handbag so I can keep the big battery in it. This is a 5400mA battery, and I have heard other users being happy with it. (HTC Cruise has an 1870mA I think)... There is also a battery for HTC Cruise which is 2200mA and you can put it in the phone actually (with a different back which also ships with the battery). Of course, this may not be an option for you..
Maybe switch it to Airplane mode and see what happens?
I am leaving mine switched on tonight as well, just out of curiosity, so I will let you know tomorrow
I am looking forward to you response!
I hard reseted my device again this morning, took away my 8gb card and installed PowerGuard again
Dag
Hello daghood,
I have to say I did that test and I think I have a quite considerably less power consumption than yours :/
Fully charged yesterday, took it off the USB at around 23:30. As of now, 9:40, I have an indication of 94%
I must admit I do not know what "Turn off the radio completely" means; this was suggested by another member (TDO). Does it imply turning on the airplane mode, where all communication features are disabled? I am not sure this would normally cause a dramatic decrease in power consumption, (I think someone mentioned it goes down from 37 to 30-35), BUT, if the source of the problem is in communication features, it should be helpful in your case.
If you disable all the telecom features and the power consumption is ok, then it means that something is "wrong" with the networking features (GPRS, GSM, EDGE, 3G, whatever, I do not know).
I know I asked this previously, but is that HSDPA disabled? Also, is there a way to disable 3G? I am sorry for asking these again, maybe it is simply a case of bad signal reception, I don't know...
mines idle consumption is 1% per hour with:
screen off
wifi off
bluetooth off
3g off
edge off
phone on
only quickmenu and batterystatus running
1% per hour = 100 hours, so maybe HTC meant 450 hours if the phone is off?
or it can be the stock wm6 version.......
Is there a tweak out there that stops the stupid battery from guzzling? Im tired of charing it constantly and I swear it takes hours and hours to charge it back to full power. The thing cant last longer than a day without loosing power I cant stand it. Whats making it use all that power? I thought maybe if I switch wireless it would help but I didnt notice a difference.
I can get 2 days out of my battery.
I let it drain to 1% and then stick it on charge over night. When i get up the battery will be at 100% and then 30 minutes later down to 90% but it settles down after that.
I do not have wifi and bluetooth on all the time, just when I need to.
sORRY DOUBLE POST................
Archangel22 said:
Is there a tweak out there that stops the stupid battery from guzzling? Iam tired of charging it constantly and I swear it takes hours and hours to charge it back to full power. The thing cant last longer than a day without loosing power I cant stand it. Whats making it use all that power? I thought maybe if I switch wireless it would help but I didnt notice a difference.
Click to expand...
Click to collapse
I don't understand people telling battery lost for 2 days..... even if we keep phone idle it will lose power in 24 hrs i believe....try like this try to use ROM with out manila & with manila once you will know the difference other than that there is some tips to save battery in Energy ROM thread in 3 rd 0r 4th post ..
4 days normal usage.
Manila2, GSM
15 minutes call, 6~10 text message, sync exchange, 30 minute ebook reading per day
If I build rom myself from the kitchen. It usually runs for 2-3 days.
However, in most cases when I try decent cooked ROM, for example, Energy - battery drains in about 5 hours. That's been the case with other cooked roms as well.
I suspect that some popular configuration change done by cooks causes battery to drain in certain environments. Would be nice to find out which change is that.
Processes and services often place a strain on the life of the battery; add to the mix a buggy service or application that further shortens battery life and one has an unusable device.
Another habit that can shorten Li-ON battery life is full discharges - near 0%. One of the members put out a thread a while back on research he/she had done on batteries - worth the read if you haven't already.
Cheers,
alexnoalex said:
If I build rom myself from the kitchen. It usually runs for 2-3 days.
However, in most cases when I try decent cooked ROM, for example, Energy - battery drains in about 5 hours. That's been the case with other cooked roms as well.
I suspect that some popular configuration change done by cooks causes battery to drain in certain environments. Would be nice to find out which change is that.
Click to expand...
Click to collapse
I just had the same experience, cooked for the first time and my battery was better than it has ever been!
Since then I have flashed to RRE 21731 6.3 and it seems my battery has stayed the same (Brilliant, 2 Days no problem).
The only thing ive done differently is I have used the new UK Voda rom as my Stock Rom that i flash before flashing custom, and i believe this may have something to do with it...What, I don't Know.
I also believe changing the Radio After a flash can affect battery life, I always try to flash a new radio before a Custom rom.
I have wondered for some time wether the European Touch Pro is slightly different to the US Fuze in its hardware, Since most Cooked Roms are configured for the Fuze maybe that is what it is?
maybe we will find out..One Day
turn off 3G and you will get much better battery.
Get a Blackberry Bold. My phone has been on for 2 days, sent around 150 texts, got in 150, I'm at 85%
ukjock said:
I can get 2 days out of my battery.
I let it drain to 1% and then stick it on charge over night. When i get up the battery will be at 100% and then 30 minutes later down to 90% but it settles down after that.
I do not have wifi and bluetooth on all the time, just when I need to.
Click to expand...
Click to collapse
That will ****-up your battery, you should never let it drain to 1%, just charge it when you have the time, preferably before it drains to about 20%.
I guess it all depends on the eye of the beholder, I come from the Diamond part of XDA, and we are lucky to get 24 hours on the Diam.
I was happpyyyyy with my new TP battery life -compared to Diam that is-
But ya, turning of 3g and being picky about processes and back light helps.
Greets to all.
Search the development and Hacking thread for Windows Long Life/save your gonads. Chainfire is developing a neat application to automatically switch from 3G when not needed. I tried an early version and it seemed to significantly increase my battery life.
Check my sig....it tells you how to deal with Li-ion batteries...
battery stuff on my site
Check out chapter 17. I cover this pretty thoroughly.
Archangel22 said:
Is there a tweak out there that stops the stupid battery from guzzling? Im tired of charing it constantly and I swear it takes hours and hours to charge it back to full power. The thing cant last longer than a day without loosing power I cant stand it. Whats making it use all that power? I thought maybe if I switch wireless it would help but I didnt notice a difference.
Click to expand...
Click to collapse
An app that may help is Advanced Task manager, it has a widget to end all running processes/tasks which i tap before putting mine to sleep about 1000+ times a day it seems. go in and exclude ones you may want to exclude always and then its as simple as 1 click. as everyone else said, no gps,wifi,3g when not 100% necessary. also, get widget "toggle disply" from rounded labs and keep your screen completely dim (not like you can't see it...), being able to make it bright when you step outdoors. Also, toggle backlight app for root users keeps the pesky keyboard backlight off when you don't want it on (suggest making keyboard shortcut for quick toggle). last but not least because i'm sure theres plenty more, but yesterday i switched to cyanogen's newest stable ROM and it seems to be much more effective than any other i have tried in the means of saving battery life. had wifi on after a 98% charge for about an hour and a half (30mn usage) and it only went down to 91%... wow. "and that's all, i have to say, about tha-aat"- Forrest Gump
Firstly I don't think this is the right sub-forum for this question since it's not a specific ROM question.
Secondly, try nueDynamicClock, if you use the right settings, you'll extend your batt life by at least 1/2 a day if not more.
alexnoalex said:
If I build rom myself from the kitchen. It usually runs for 2-3 days.
However, in most cases when I try decent cooked ROM, for example, Energy - battery drains in about 5 hours. That's been the case with other cooked roms as well.
I suspect that some popular configuration change done by cooks causes battery to drain in certain environments. Would be nice to find out which change is that.
Click to expand...
Click to collapse
It's really very simple. Flash an awesome rom, and the battery burns and burns. Flash a rom you hate, and the battery lasts forever. Don't over-think it.
hi guys.
i was eager to start up this discussion and am glad to find it here itself.
even am really finiky about battery.
tried alot of thing but cudnt find any spcl tweaks.
though i came across some registries from advanced config and other wise also but they seem to be more worse.
;IMPROVE BATTERY PERFORMANCE
[HKEY_LOCAL_MACHINE\Comm\AsyncMac1\Parms]
“DisablePowerManagement”=dword:0
[HKEY_LOCAL_MACHINE\Comm\Irsir1\Parms]
“DisablePowerManagement”=dword:0
[HKEY_LOCAL_MACHINE\Comm\PPTP1\Parms]
“DisablePowerManagement”=dword:0
[HKEY_LOCAL_MACHINE\Comm\L2TP1\Parms]
“DisablePowerManagement”=dword:0
when i use these tweaks the power consumption of my rom reached to 4.112 volts(as per power detect) which otherwise without these tweaks is 3.992 at startup.
more power consumption i guess means less battery i guess.
and even if its not still these tweaks as per my usage show bad results.
why so?
and arnt there spcl application which can detect the packages which might consume more battery, as i have over 50 packages in my rom and it'll hell to check which eats more.
Some tweaks I do
I have also found for me that disabling these things in advanced config also helps.
Performances
> File System cache: Disabled
> File System filter cache: Disabled
> Glyph Cache: 32kb (advised) I'm not sure if disabling this one is a good idea. I like having a little bit of glyph cache on my device.
Light senor
> Light sensor polling: Disabled.
*Note: If you want to still have light sensor on (this means the auto backlight feature) I would set the:
> Light sensor polling interval: 2000. This will make it poll every 2 seconds instead of every .2 seconds. I would even try setting it to 5000.
The backlight will make a huge difference on how long you battery will last. The brighter it is the more the battery needs to light up that screen. If you turn off the polling all together it will make the battery last longer.
Also running fancy UI apps will also deplete the battery more. Just common sense really as another poster alluded to earlier. The more things you have running and sucking up memory the more battery it will consume. If you disable TF3D or other apps such as this you will get your battery to last longer. Given that these devices are meant to have these types of programs on them you will have to weigh the options of how much you really want to "tone down" your devices to get the most out of your battery.
Also different radios will cause you battery to last longer. I suggest to everybody that they try different radios to see which ones last longer. Also people who live on the edge of 3G and EDGE area will cause the battery to drain faster as it constantly switches in and out of 3G coverage.
WMLongLife is a great app if you don't need 3G while you phone is just sitting in you pocket. It works great for me and when I want to use 3G I simply launch opera and the program will automatically enable 3G once again.
There are many things that you can do to improve your battery life. I encourage everybody to find what is best for them given what they use there device for and try and test things out. The best way to tell which works best for you is to simply try it out for yourself.
**NOTE** I also set all ROMs that I flash with a page pool of 0. I don't know if this has any real effect on battery life but it does seem to make my battery last a little bit longer. Not sure if this is a placebo affect though.
I'd love to hear how people are finding the battery life on the Captivate, and what their usage patterns are. I don't have many apps on the phone to begin with, but on the train to work I can easily knock out a third of the battery just listening to music. While using the phone for five or ten minutes, I'll sometimes see the battery dop 2-3 percent!
For tomorrow, I'm going to try using the stock launcher instead of LauncherPro, no widgets. I got rid of the Android Central app just in case it was fetching data in the background. But my hopes aren't terribly high, I'm afraid.
I have rooted the phone, but the battery life was bad before rooting. Once rooted, I tried some apps like JuiceDefender, and there seemed to be no change.
If I continue having these problems, I may unroot and bring the phone to an AT&T store to see what they say. I've heard it mentioned that Samsung is sending out new batteries that are better than some current ones, but I don't know if that's true.
I'd love to hear any suggestions. I want to use my new phone, not worry about it all day!
I too have been getting very poor results. I have talked on the phone for less than 3 minutes, went to maybe 15 different website pages, one 3:00 youtube video, 10 minutes of GBC emulation gaming, and regular texting, and I'm at 10% with 8 hours. I've probably only used the phone for 30 minutes total today.
Smartphones always drain battery, if you want a phone that can be heavily used for like 4 or more days on one charge cycle, get a feature phone....the samsung captivate has given me the best battery time overall, against all my past smartphones.
I don't think it makes sense, though, that it should run out halfway through the day like mine is. My former devices were a feature phone and an iPod Touch. The feature phone lasted a week or so, and the iPod Touch with heavy heavy use lasted three days at least. So even if I had both pulling from the same battery source, and with light usage, shouldn't it last at least a full day?
Weird, I had wireless on almost all day, with push mail and doing tons of market downloading and I was only down to about 50% by early afternoon.
Seems about the same as my two year old HTC Touch Pro to me.
My battery is running fine too, even after streaming music from my house with subsonic, testing out a couple videos, messing with the gps, push email a bunch of app downloading, and a live wallpaper and i was still at 33% by the time I got home, even seems to be getting better.
"On the train to work..."
There's a bit of your problem, methinks. The 3G radio is burning a lot of power trying to connect to towers inside a metal box that moves to a new tower on a regular basis. Unless you need to get calls on the train, put it in Airplane mode during your commute.
Have you actually let the battery die completely yet?
My first battery burn-down, (starting with the charge on the battery as it was unboxed) I was showing zero percent battery for almost two hours before it actually shut itself off, moderate usage with WiFi on.
The next charge-up burn-down, it was showing zero percent about fifteen minutes before the end.
And the charge-up burn-down after that, it showed 0% about twenty seconds before it died.
See where I'm going here? The software needs to be calibrated at zero and 100, and it can't do that if you don't let it reach zero a few times. Once you're sure the meter is accurate, then you can start making informed conclusions about battery life.
And like I've posted elsewhere, you've got 'Newshiny-itus', which is proven to suck extra life out of a smartphone battery. And it's hard forcing your new toy to die...for one thing, if it's dead, you can't play with it. Tough it out, kill it. At least twice.
Well if you want to find truly terrible battery life try the EVO.
I had one for a month and that thing really ate the battery fast. The capti is stellar in comparison.
smitty1 said:
Well if you want to find truly terrible battery life try the EVO.
I had one for a month and that thing really ate the battery fast. The capti is stellar in comparison.
Click to expand...
Click to collapse
Yea I had one for two weeks and it was horrid. I would lose 6% just in standby time in between waking up and getting out the door to work in the morning!
Sent from my SAMSUNG-SGH-I897 using XDA App
I've had great results with the battery and I find it to be much better than my HD2. I watch quite a bit of youtube, text message a lot, and browse the web and the market on and off, not to mention all the time my wife plays solitaire, and I still have 30% battery at an uptime of 41:46. I don't use gps or live wallpapers, and I keep my display as low as possible, since it is still bright.
Bit better by the end of the day. 13 hours and 15 minutes
Croak said:
The software needs to be calibrated at zero and 100, and it can't do that if you don't let it reach zero a few times. Once you're sure the meter is accurate, then you can start making informed conclusions about battery life.
And like I've posted elsewhere, you've got 'Newshiny-itus', which is proven to suck extra life out of a smartphone battery. And it's hard forcing your new toy to die...for one thing, if it's dead, you can't play with it. Tough it out, kill it. At least twice.
Click to expand...
Click to collapse
+1
Definitely agree with the last part. I've been doing my best to kill it, but I don't want it to be dead. Been noticing the inaccuracy of the meter quite a bit, especially when it's charging, but I'm sure it'll get better over time.
Thanks for the informative replies! It hadn't occurred to me that the battery meter might be uncalibrated - I've been charging once it reached 10% or so. I'll try letting it die fully today.
One thing that seems to have helped, too, is the brightness settings. Turning OFF the "power saving" auto adjust ing brightness option allows the brightness to stay low, and a brightness control widget lets me set it lower than stock controls allow. I've seen some definite improbement from this alone!
These are Li-ion batteries, DO NOT let them die completely before charging.
Ok, so...is there a safer way to make sure the battery gets calibrated? I'm reading in a lot of places that Android phones fairly often misreport battery info unless calibrated.
The lowest I can get on battery status is 60% after a full days use. Admittedly I'm not a power user but I had my phone unplugged for 16 hrs and still had 95% I'd like to know what you have to do to get such low battery levels , start your car
All I've done today is listen to music for an hour (used 25%) and texted/browsed the web for perhaps two hours (another 5/% down.)
I read that LIons can be occasiomally discharged, since they have undercurrent protection circuits. One guide for Android phones suggested leaving the phone on until it shuts itself down, turning it on again, and then letting it shut itself down again. Then, with the phone off, charge fully. The guide said once a month or do is safe and beneficial. How does it sound?
Battery is good today. Been sending a few texts, checked email, facebook, and surfed these forums a bit. I'm at 2 hours with 98% battery left.
i hope the battery doesnt suck, i plan on getting this phone soon and want good batt life!!!
tysj said:
These are Li-ion batteries, DO NOT let them die completely before charging.
Click to expand...
Click to collapse
I agree with you, however, the phone's hardware will NOT let the battery completely die.
So I wouldn't worry about that all to much.
Basically though, Li-ion batteries are 'memory' free so they can be recharged on a whim partially.
They also prefer partial charges vs deep charges.
There are questions about this that I don't have answers for such as: When the phone displays 0% or shuts off due to low battery, how LOW is the battery?
Obviously the phone battery can't be dead dead, but it is low enough for the hardware to take precautions.
Anyway Li-ions will at max last 500 charges.. If you want it more than that, You're going to have to buy a new battery anyway. =)
I unplugged the phone and got onto the bus. I read news with Captivate. Nothing fancy, just NY Times, Fox News etc. I got off the bus later, I only have 73% battery.
Yes, I just started my day and it's only 70% of battery.
#FAIL.
There are a few simple things you can do to increase battery life. Turn the screen brightness down and use a solid black background as a wallpaper. The screen uses the majority of the batter. so dimming the screen helps, when using a black background the amoled display does not light up black pixels so there is power drain.
I've been running on the same charge since 4pm yesterday. I've streamed music through pandora for about an hour while exercising, browsed the xda forums using the XDA App for 30 mins, made a few calls, browsed Facebook for 30 mins, surfed the web for a couple of hours before bed. Its now 10AM and I'm sitting at 36%. Not to bad really! The phone functions exactly the same at 36% as compared to 100%.
I wonder why everyone says to use a solid black background? Do most people use their phones primarily by staring at the home screen? I'm never at my home screen more than perhaps five seconds while switching apps
I've had pretty poor battery life as well, even after discharging, recharging, and deleting batterystats.bin. There are small tips here and there, like black background and screen brightness, but even following them all, my phone lasts me barely ten hours, and most of that time it's idle. For instance, I listened to local must (no streaming) with the screen off for about an hour and lost 10% of my battery life. What's up with that?
TimF said:
I've streamed music through pandora for about an hour while exercising, browsed the xda forums using the XDA App for 30 mins, made a few calls, browsed Facebook for 30 mins, surfed the web for a couple of hours before bed. Its now 10AM and I'm sitting at 36%.
Click to expand...
Click to collapse
I am also shocked and confused by how people can use their phone so heavily.
I already killed those unnecessary processes (e.g., all AT&T crap). I have a static wallpaper. I have screen brightness at 60%. And all I have been doing is just reading news and surfing the web. It literally cost me 1% of battery for every 1 min of use. It's just ridiculous.
You are probably on your home screen a lot more than you realize.
Anyway it's a smartphone, they all eat through battery time. you will never get superb battery life unless you crowbar a 3000mah battery into your device.
edit:
set the screen on its lowest brightness setting, the only time I've had to increase the brightness is when I am outside in the sun.
if you are on a bus, if you are not using wifi, turn off the radio.
TimF said:
Anyway it's a smartphone, they all eat through battery time. you will never get superb battery life unless you crowbar a 3000mah battery into your device.
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Click to collapse
You just said your phone is at 36% eighteen hours after charging! Compared to the 0% I'm at ten hours after charging...I'm not looking for superb battery life at all, just somewhat decent. I'm actually bringing a backup feature phone with me to college this semester in case I can't resolve this issue, because I will need to use my phone both in the morning and at night some days
TimF said:
edit:
set the screen on its lowest brightness setting, the only time I've had to increase the brightness is when I am outside in the sun.
if you are on a bus, if you are not using wifi, turn off the radio.
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Click to collapse
I have Wifi, BT always off. And I don't listen to Pandora.
I think the key is you have the lowest brightness on your phone. It is going to save you a lot of battery 'cause half of the battery is for the screen.
But I just couldn't stand it. I wish I can set to 100% all the time. It looks so much better.
The phone radio is a huge consumer of battery - especially in weak signal areas. The bars are not that accurate either. that coupled with 3rd party apps that don't always behave nice, can equal rapid battery drain.
Putting the plain in Airplane mode is good way to see what battery life is like without the Cell radio always doing its thing. It is not a fix, but it can show that the battery/phone are not broken. There probably can be improvements and tweaks made by samsung, but I don't think the phones are defective.
mwxiao said:
I think the key is you have the lowest brightness on your phone. It is going to save you a lot of battery 'cause half of the battery is for the screen.
But I just couldn't stand it. I wish I can set to 100% all the time. It looks so much better.
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Click to collapse
This is what you would call a trade-off I like the bright screen also but I like having longer battery life more.
The screen is still pretty bright on it lowest setting and you gt used to the lower brightness after a while.
magicdanw said:
You just said your phone is at 36% eighteen hours after charging! Compared to the 0% I'm at ten hours after charging...I'm not looking for superb battery life at all, just somewhat decent. I'm actually bringing a backup feature phone with me to college this semester in case I can't resolve this issue, because I will need to use my phone both in the morning and at night some days
Click to expand...
Click to collapse
how are you using your phone? What apps are you running, are you using any emulators.
There's an app called Spare Parts, which will show you what is using your battery when the screen is off. Open it up and choose "Partial Wake Usage" from the drop down to see.
My Captivate appeared to drain battery very quickly, but with moderate to decent usage throughout a day I was trying to kill the battery it lasted me over 13 hours. I think it's a matter of the battery reporting taking a good while to calibrate properly.
I've had an issue twice now with absurd battery usage. Both times I charged the phone to full and disconnected it; after doing that the phone would lose 10% charge every hour sitting completely idle! Using the phone during that time drained it even faster. Both times powering the phone completely off and back on resolved the issue.
Sent from my SAMSUNG-SGH-I897 using XDA App
magicdanw said:
I wonder why everyone says to use a solid black background? Do most people use their phones primarily by staring at the home screen? I'm never at my home screen more than perhaps five seconds while switching apps
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In AMOLED, black pixels dont use power. This is different from LCD where even black pixels still use power.
Have you guys tried fully charging, then fully discharing then repeating this step 3 more times? It helps with the battery life tremendously.
You gotta do a factory reset. Many people as well as myself had the same issue. For me, a side effect was also that the att start up swoosh was stupidly loud.
Sent from my SAMSUNG-SGH-I897 using XDA App
I only did the discharge thing once, last week, and today I am going on a 21 hours with 28% left.
2g app
I was told there is a 2g / 3g application. Has anyone tried this? Apparently it puts the phone in 2g when no data connection is needed and then updates to 3g when a data process is required...
i'm on day two of not charging mine... and i'm at 25%...
i unplugged it from a full charge yesterday (monday) morning before i left for work and today (29 hours later) i'm at 25%... this is with advanced task killer auto killing tasks when screen is off as well as being aggressive about it. i've been listening to music from my sd card, browsing facebook and taking some pictures (and uploading them to fb). i guess i'm either super lucky not to have any problems with GPS or the battery, or i'm a very light user.
I dunno what happened to the main battery thread?
I just got a new phone two days ago because of the restart issue. This one has the same battery issue. Drains 2-4%/hour just being idle. I have nothing beyond launcher pro and google voice installed. Everything is on lockdown in terms of batt usage. The only thing I haven't done is turn off the cell antenna.
I've tried the tricks I knew: factory reset, calibration trick. These didn't help at all. My last phone just needed a factory reset and it was all good. Now I'm sad again :-( will it just improve itself when the phone "learns" the battery or something? I wish I could teach it
Several things you can do.
1) Use WiFi if you can use it, it uses less power. If you don't have somewhere to use WiFi, leave it off.
2) Same goes for BT- leave it off if possible.
3) Use this to get rooted and remove all the ATT crap that sucks battery life. Applying the lag fix also means you spend less time with the screen on, so that can also help you out.
4) Use Auto Brightness
5) Disabling haptic feedback and the tapping sounds (I find it more annoying regardless)
6) Use a static black wallpaper- or something really dark. IMO it looks great black and plus the AMOLED... Black doesn't use power.
7) Use Advanced Task Killer. I have mine on Aggressive and Moderate security every half hour. This will make sure hung apps, etc get killed and apps you haven't ran. Make sure you whitelist the apps that run your widgets and such though.
That's the best things to do to.
Edit- above all, remember this is a SMART phone, not a feature phone like the iPhone is. The simple fact this full blown SMART phone can even begin to rival just a feature phone like the iPhone speaks volumes to how much more efficient it is than what you think it is.
starwolf256 said:
I've had an issue twice now with absurd battery usage. Both times I charged the phone to full and disconnected it; after doing that the phone would lose 10% charge every hour sitting completely idle! Using the phone during that time drained it even faster. Both times powering the phone completely off and back on resolved the issue.
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
I too have had issues with battery life but quickly realized what had been causing the issues, twice it had been snesoid not closing down all the way after use, and this combined with an app that was hurting battery life (word feud), I realized what my problem was.
I leave the brightness jacked all the way down. I believe the lowest it goes on the stock rom is like 15%, but there are ways to go lower than that.
I've not used my phone much the past two days since charging it, and i'm currently down to 35%, but most of my battery use is cell standby, with display being 3rd or so on the list.
You can always use a program like tasker to make the phone go into airport mode between certain hours of the day (IE: while you're sleeping) to help conserve the battery life.
There are also tons of other good tips in this thread.
And trust me, the phone can last; i've managed 3days on one charge
Hey fellas.
So, for a long time now I've noticed this weird behavior of the battery % going up without ever recharging the phone for awhile.
I've seen this happening with plenty of ROMs and kernels over time, and I can't figure out why.
Attached image is the very recent one, which finally made me open a thread regarding this problem... usually it spikes by small percentage upwards, but take a look at around 3/4 of the graph (~2 am), it basically "charged" itself from like 6% to almost 20%!
Now let's be honest, if the phone just lies down on the table without me using it for awhile, there's no problem really.
The real problem might probably be with constant using, I could totally drain the phones battery to 0% while obviously "in real life" it has a lot more juice to give??
For years I kept reading battery related threads, and how calibrating them helps, and how calibration actually does nothing. Everyone keeps changing their minds.
What should I do?
Thanks?
tl;dr soz
p.s. currently running on Cataclysm 5.1 Beta and ElementalX 2.11
Battery stats are purely estimation via calculations, there is no way to calculate the exact physical percentage remaining.
When it detects it has been calculated incorrectly, it readjusts itself slowly, so it looks like it's going up. Really, only the displayed value is going up—the actual charge obviously is not.
Elluel said:
Battery stats are purely estimation via calculations, there is no way to calculate the exact physical percentage remaining.
When it detects it has been calculated incorrectly, it readjusts itself slowly, so it looks like it's going up. Really, only the displayed value is going up—the actual charge obviously is not.
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Click to collapse
But dude, nothing of what you said answers my question at all -
I was asking Why it happens (what causes it to make such huge changes? faulty battery, faulty motherboard?), and What do I do to prevent it?
I didn't ask how does the % estimation system works, mainly because it's obvious?
And as I already said, I don't really have a problem with this happening while the phone is idle on the table let's say, the real problem is with real-time constant use (like surfing a lot, doing work stuff, playing) when I use it for a long time and the phone just turns off since it didn't have the time to re-evaluate its real battery status.
To make it simple, the phone doesn't realize it has more juice to give before it turns off on a non stop usage.
Back to my main question then -
How do I fix that?
Thanks.
NuclearBastard said:
But dude, nothing of what you said answers my question at all -
I was asking Why it happens (what causes it to make such huge changes? faulty battery, faulty motherboard?), and What do I do to prevent it?
I didn't ask how does the % estimation system works, mainly because it's obvious?
And as I already said, I don't really have a problem with this happening while the phone is idle on the table let's say, the real problem is with real-time constant use (like surfing a lot, doing work stuff, playing) when I use it for a long time and the phone just turns off since it didn't have the time to re-evaluate its real battery status.
To make it simple, the phone doesn't realize it has more juice to give before it turns off on a non stop usage.
Back to my main question then -
How do I fix that?
Thanks.
Click to expand...
Click to collapse
I did answer your question: "When it detects it has been calculated incorrectly, it readjusts itself slowly, so it looks like it's going up."
It simply calculated it wrong, so it's adjusting itself. There is nothing wrong with any of your hardware nor software.
It is not a problem, and therefore it requires no fix.
NuclearBastard said:
What should I do?
Click to expand...
Click to collapse
It's good news. You can forget about where you put your wallcharger.
Elluel said:
I did answer your question: "When it detects it has been calculated incorrectly, it readjusts itself slowly, so it looks like it's going up."
It simply calculated it wrong, so it's adjusting itself. There is nothing wrong with any of your hardware nor software.
It is not a problem, and therefore it requires no fix.
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Click to collapse
Oh man. you're totally not catching my drift.
I realize WHY the percentage is going up, what I don't understand is WHAT causes it to eventually misread the actual mA that's left.
And again I say - ofcourse it's a problem. and OFCOURSE that something is going wrong.
Take it to a more extreme scenario - I could use the phone non stop from 100% to 0, only to truly figure out eventually that the battery has atleast 30-60 minutes left in it.
The phone misreads the actual amount of power it still has. even if it only corrects itself by +1% it's still a problem.
Clearly that's not the case, when you see I got a +~11% in about an hour. it's a much worse problem. An easy ~20 minutes of use before the phone shuts itself down, WASTED.
NuclearBastard said:
Oh man. you're totally not catching my drift.
I realize WHY the percentage is going up, what I don't understand is WHAT causes it to eventually misread the actual mA that's left.
And again I say - ofcourse it's a problem. and OFCOURSE that something is going wrong.
Take it to a more extreme scenario - I could use the phone non stop from 100% to 0, only to truly figure out eventually that the battery has atleast 30-60 minutes left in it.
The phone misreads the actual amount of power it still has. even if it only corrects itself by +1% it's still a problem.
Clearly that's not the case, when you see I got a +~11% in about an hour. it's a much worse problem. An easy ~20 minutes of use before the phone shuts itself down, WASTED.
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Click to collapse
What causes it to misread/recalculate could be one of many things.
For example:
Lets say the defined average battery usage calculation for when data is on is a value of "10 per minute" (for explanation purposes).
If you had a terrible data signal, it would use more battery, and if you had a perfect signal, it would use a bit less.
Lets say you had an absolutely perfect signal, that actually really only used 5 per minute. The calculation would then be incorrect as the device realistically used up less battery than calculated, possibly causing it to readjust itself after a while.
Of course the above is just an example, and it could apply to many other things together (screen, CPU, GPU, signal, WiFi, usage, GPS, etc). This happens on every single device and there is no way around it. If anything, it is causing you to get MORE usage out of your battery, not less, since it is increasing the percentage value as per recalculation. If it did not recalculate, and your device realistically used less battery than the calculation thinks, then your device would shut off earlier, no?
This also applies vice versa: if your device used MORE battery than calculated, it will drop the percentage when recalculating to make sure it shuts off before the battery would be damaged or even completely dead/unusable/un-rechargeable by being physically drained to 0%. Your device is also purposefully shutting itself off a slight bit prematurely to prevent this (this is also why you should not constantly attempt to turn on the phone when it shuts off at "0%").