Samsung Galaxy S4 battery life? - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Hi, everyone ı bought s4 but ı didn't like its battery.İnternet is connecting everytime , and ı look my social network every 15 minutes,ı play 30 minutes totally in a day.And waching video on youtube but battery run-out 12 hours.İs it normal ?
Lastly I'm sorry for my English.
Thank you

These phones suck up the juice. Search for other posts on battery drain there are a bunch, and they have good info in them.
I shut off everything I don't use and still had issues getting 24 hours with light use. I ended up getting an extended battery and I get 2 days with no issues now. Google services was killing my battery.. Look in settings under battery and see what's using the most battery.

Samsung Galaxy S4 battery life
Stock 4.2.2 I337MVLUAMG1 Rooted. Using JuiceDefender Ultimate.. Pretty good thou..
Just sharing with my experience..I'm happy about it..

Battery is great.
Sent from my SAMSUNG-SGH-I337 using Tapatalk

Both TouchWiz and CyanogenMod gave me around a whole days use (about 3-5 hour screen on time). It all depends what you do with your phone throughout the day. If you browser the web, text and call you should last the whole day. But if you play games, text, call, etc and use your phone heavily, expect it to die out at around 12-15 hours.
The best option in my opinion would be getting extra batteries. Not extended batteries, if you don't want the extra bulk. Hyperion and Anker are excellent 3rd party battery manufacturers, you can carry the extra batteries around with you, in your backpack or even your pocket and use them if you need them.

I like to use GREENIFY and hibernate all but essential apps
*messaging, Whatsapp, phone and weather widget
I also use WAKELOCK DETECTOR to see what is running when the phone is "asleep"
I can "play hard" with the phone for about 14 hours
--games, texting, pictures...and typical phone calls
However I do still charge it up at night and I have a car charger so I keep the battery topped off..I never know when I will be 14 hours away from a charger

dhexzter22 said:
Stock 4.2.2 I337MVLUAMG1 Rooted. Using JuiceDefender Ultimate.. Pretty good thou..
Just sharing with my experience..I'm happy about it..
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Click to collapse
How in the hell did u get 3 days? I cant get over 26 hours, and thats with like maybe 2-3 hours screen on time and really limited usage of games, maybe like 10 minutes

alexjojo946 said:
How in the hell did u get 3 days? I cant get over 26 hours, and thats with like maybe 2-3 hours screen on time and really limited usage of games, maybe like 10 minutes
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Click to collapse
Just a regular usage, FB, Email, Weather, Remote of my few devices at home. Not much Call and text specially games. Restart phone when your about to go sleep in the end of the day and just let it go. Let juice defender do the trick for you. I kinda like the app. 2nd or 3rd day charge phone when ever necessary. I have S3 as wel b4 this phone so I just use that for my games and etc.

I used to go 2 days with my 5200 battery, but the last set of google updates have cut me down to 17 hours.. I was very happy with the S4 battery life before that

I had the same issue with my S4. Id seem to be losing a percent per minute while using the phone to do simple things like sending texts with wifi, air gestures, gprs, bluetooth off. I 'd leave the phone on standby over night and by morning losses of up to 30% of the battery wold be seen. I fixed the issue by reseting the phone and disabling location finder in google seen on initial setup. Try it. My battery nowlasts much longer despite frequent usage. eg. I umplugged from charger yeaterday at 9am and used the phone all day. At 9 this morning my battery was at 35%.

I just got my phone 2 days ago and I can say this is the best battery I ever used (at least for now)
mf3 rooted SHOstock 2.3

willieamm said:
I had the same issue with my S4. Id seem to be losing a percent per minute while using the phone to do simple things like sending texts with wifi, air gestures, gprs, bluetooth off. I 'd leave the phone on standby over night and by morning losses of up to 30% of the battery wold be seen. I fixed the issue by reseting the phone and disabling location finder in google seen on initial setup. Try it. My battery nowlasts much longer despite frequent usage. eg. I umplugged from charger yeaterday at 9am and used the phone all day. At 9 this morning my battery was at 35%.
Click to expand...
Click to collapse
ekotim said:
Hi, everyone ı bought s4 but ı didn't like its battery.İnternet is connecting everytime , and ı look my social network every 15 minutes,ı play 30 minutes totally in a day.And waching video on youtube but battery run-out 12 hours.İs it normal ?
Lastly I'm sorry for my English.
Thank you
Click to expand...
Click to collapse
seaham358 said:
These phones suck up the juice. Search for other posts on battery drain there are a bunch, and they have good info in them.
I shut off everything I don't use and still had issues getting 24 hours with light use. I ended up getting an extended battery and I get 2 days with no issues now. Google services was killing my battery.. Look in settings under battery and see what's using the most battery.
Click to expand...
Click to collapse
Hi all,
I realize a bad Wifi connection /congested wifi can cause Battery drain.
Some background services will get stuck there and consume 3-4% per hour. If that happens can try to disable Wifi or set it to disable during sleep and monitor the battery usage again. Hope this will help

Related

Battery Drain HD2?

Anyone else experiencing excessive battery drain on their HD2?
I am interested to know if this is just my phone or if it actually just chews through that much juice.
I have had windows mobile phones for several years so I know all the basic ways to keep battery drain down.
Stuff that I have generally found:
1. If I keep the screen turned on without it going blank I lose about 1% every 2 minutes.
2. If I am browsing that figure almost doubles.
3. My old Touch HD used about 5% battery overnight when in standby but this phone will go through about 25%.
4. The phone gets really hot when browsing (much hotter than my old Touch HD)
I have tried flashing ROM's and Radios but nothing seems to help.
I am not running any software on the phone that I wasn't running on my old HD1.
I have only had the phone for a week so I am not sure if this is normal but I would be very surprised if HTC released a phone that lasts for only a few hours on one battery.
+1
-1% every 3 minutes
-4% during the night (when i'am sleeping)
MAXIMUM : 45/48 HOURS
Crash95 said:
+1
-1% every 3 minutes
-4% during the night (when i'am sleeping)
MAXIMUM : 45/48 HOURS
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Click to collapse
I wish I got 2 days
we really need extended battery ,hd1 battery was much more better.
Good mate but yes i agreee HTC has come up with a battery eating device this time around. My device on full charge just gives in around 8-10 hrs. This might be dat my EDGE is on and 7 mails accounts sending mails back and forth.
but truly i think that HTC better look into this very seriously cause more and more ppl are suffering in this battery drain..
Any of flashing roms and radio not helping either... did a complete hard reset but no step up
HTC come with longer battery battery for bigger devices soon......
The only solution i see now is get one of those extra battery worth mind bogling £52.87
I've had this problem ever since flashing to 1.66, I flashed the radio to 2.07.50.27 as this was said to solve the problem but it hasn't made any difference after a few days of use. My battery life used to be significantly better when I was on the original stock ROM, so much so I'm considering going back to it
I also know all the tricks as to clawing back the battery drain, my phone is idle on my desk at work most of the time and I don't use Wi-Fi, all the location stuff is turned off as are weather, stock and other updates plus my screen is set to 30% then off after 60 seconds. Despite all of that I lose 1% every 2-3 minutes
It seems to me that perhaps the radio is checking for reception pretty much constantly rather than say, 5-10 mins perhaps? This used to be a problem on my old Blackberry Storm but a few fimware updates solved it, eventually!
The only other thing I've noticed since the update is that once the battery drops below 50% or so, the drain seems to slow, I don't know if this is perhaps because the phone goes into some sort of semi-power saving mode?
Suggestions/hints welcome! I've had a semi-thorough look into this on the forums and tried most of the suggestions but still the problem remains. Will battery life improve after a few charges perhaps as this was a trait of my Storm's battery, the more you charged it the better the day to day battery life was (and no it wasn't because I had it plugged in all the time! Over time the general charge just seemed to improve when roaming).
Thanks!
Piemole said:
Anyone else experiencing excessive battery drain on their HD2?
I am interested to know if this is just my phone or if it actually just chews through that much juice.
I have had windows mobile phones for several years so I know all the basic ways to keep battery drain down.
Stuff that I have generally found:
1. If I keep the screen turned on without it going blank I lose about 1% every 2 minutes.
2. If I am browsing that figure almost doubles.
3. My old Touch HD used about 5% battery overnight when in standby but this phone will go through about 25%.
4. The phone gets really hot when browsing (much hotter than my old Touch HD)
I have tried flashing ROM's and Radios but nothing seems to help.
I am not running any software on the phone that I wasn't running on my old HD1.
I have only had the phone for a week so I am not sure if this is normal but I would be very surprised if HTC released a phone that lasts for only a few hours on one battery.
Click to expand...
Click to collapse
You need to indicate what services you have running. Do you have any data services running eg: location services, push mail, weather? all of these have a bearing. In addition, network services can also drain a battery, especially if the signal is weak and the phone have to search for a transmitter, or 3g services.
Hexjibber said:
The only other thing I've noticed since the update is that once the battery drops below 50% or so, the drain seems to slow, I don't know if this is perhaps because the phone goes into some sort of semi-power saving mode?
Thanks!
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Click to collapse
That is a very interesting comment. Although since upgrading to radio 2.07.51.05_2 I have had very good battery life, I too have noticed a slowdown after 50%
romac said:
You need to indicate what services you have running. Do you have any data services running eg: location services, push mail, weather? all of these have a bearing. In addition, network services can also drain a battery, especially if the signal is weak and the phone have to search for a transmitter, or 3g services.
Click to expand...
Click to collapse
Nothing is turned on, everything is set to manual.
As I stated I know all the basic stuff. I understand that all these things have a bearing on battery loss.
Everything I stated in the first post is for when I have nothing running. The phone is just sitting there running sense, thats all.
I have had my HD2 for a few days now. I am on Vodacom in South Africa.
I have not had a problem with battery life.
Yesterday i unplugged from the charger at 07:00. I spent about 1 and 1/2 hours of talk time on the phone, it was permanently connected to 3g doing weather updates etc. Sent and received a couple of sms's. Also played with a few tweaks and reboots.
When i got home at about 18:00 i had over 30% battery. I then surfed the web for over 2 hours to drain the battery.
try setting Network Selection to Manual
Piemole said:
Anyone else experiencing excessive battery drain on their HD2?
I am interested to know if this is just my phone or if it actually just chews through that much juice.
I have had windows mobile phones for several years so I know all the basic ways to keep battery drain down.
Stuff that I have generally found:
1. If I keep the screen turned on without it going blank I lose about 1% every 2 minutes.
2. If I am browsing that figure almost doubles.
3. My old Touch HD used about 5% battery overnight when in standby but this phone will go through about 25%.
4. The phone gets really hot when browsing (much hotter than my old Touch HD)
I have tried flashing ROM's and Radios but nothing seems to help.
I am not running any software on the phone that I wasn't running on my old HD1.
I have only had the phone for a week so I am not sure if this is normal but I would be very surprised if HTC released a phone that lasts for only a few hours on one battery.
Click to expand...
Click to collapse
Same here with and without stock ROM.
yeah.. the phone is a battery sucker.... another cons of HD2....
This is very interesting to read because I do not have this problem. When I left my HTC HD2 on last night (I woke up at 4 in the morning to get something to drink and unplugged it) and then woke up at 8, it was at 98%. That means it went from 100% to 98% in 4 hours. Not to bad imo.
I am now at work and it is 15:34, and I am at 87%. I have made some calls, watched some videos, send a few text messages. Not much (I am at work so I got other things to do). So 08:00 (98%) - 15:34 (87%) - that's 7 and a half hours, with some calls, text messages and a video.
I am pretty sure when I get home at 18:30 the battery will still be above 75%. Then I connect to my wifi at home, refresh twitter, weather, browse the web a little bit, check e-mail etc. So that will drain my battery a little more.
But overall I have not had any problems with my battery life. I always make it trough a day, and never have a problem like 'damn my battery is almost done and I am not near a charger'.
Some info that might help:
I do not sync ANYTHING automatically. I still have some things to do with my Vodafone contract and do not have an unlimited plan yet. I only sync at home on my own wifi connection. For me this is not a problem, because I only need to refresh the weather each morning to see what the day is going to be like. Twitter I only do when I have the time. Stocks I do not use.
I have screen brightness set to automatic.
I am on 3G most of the time.
I am running the official 1.66 Dutch ROM.
I have some tweaks, games and programs installed.
I hope you all solve this issue, because it just can not be that my HD2 has a good battery life, and your HD2 not
Kind Regards
EDIT @ 17:00 still 87%.
I am in a 3G 2100 only network (I don't have 2G functionality).
ROM: Artemis 3.0
Radio: 2.06.50.23_3
Customization: Seiya 6.5.5
I don't leave any automatic updates on, except for my e-mail account every 2 hrs.
I never close my connection.
The drainage overnight is -3% (8hrs).
The battery lasts at least 12 hrs of intense usage.
Normally I have to recharge every second day (e.g. I charged last night, I answered a few calls, I did some IM and browsing and I still have 73% left).
For a phone with a 1 GHz processor, a 4.3" screen and a tiny 1250 mAh battery I find the drainage is rather decent.
Mind you, I ALWAYS do at least one full charging cycle to my battery after flashing a new ROM. I mean: full discharge, battery out 1 min, full charging in OFF mode, battery out 2 mins.
27firesnake said:
Mind you, I ALWAYS do at least one full charging cycle to my battery after flashing a new ROM. I mean: full discharge, battery out 1 min, full charging in OFF mode, battery out 2 mins.
Click to expand...
Click to collapse
I have seen this process recommended a couple of times now. What is the theory behind it if you don't mind me asking?
maybe its also becouse some of us couldnt wait using the hd2 when they got it (like me) before it was fully charged for the first time
anyway my battery life has improved a little bit, i was at 74% this morning and did a lot of browsing, installing, tweaking and now its at 3%. it used to be much worse
I have battery consuming problem from time to time.I did everything:
installed new stock rom 1.66;
transfered all data which phone is using from card to phone memory(pictures,icons,sounds.etc...)
all updates are done manually;
Gprs connection is swiched off on the idle after one min;
One night it is loosing from 2 to 4%;
another from 30 to 40%
and it is eating memory from 10 to 15mb
I think that it is radio which is causing battery drainage so fast(to much communication wit a base stations,because when I am checking spb wireless monitor in the morning,there is no any data traffic.
I hope they can solve problem,because it is getting me mad and crazy
Try setting the screen brightness to 10-20% (on battery powered)
and dim backlight after 10 seconds (on batter powered).
It helps a lot, at least for me.
creed said:
I have seen this process recommended a couple of times now. What is the theory behind it if you don't mind me asking?
Click to expand...
Click to collapse
as far as i know, the battery has an integrated digital circuit (ic) which estimates the state-of-charge (soc). the procedure resets/calibrates the ic to obtain a more accurate estimation. since the radio rom is in charge with the power management (among other things), by changing it you decalibrate the "gauge".
i don't know if i've got the theory right but i tested this myself and it surely works.

Jesus, what a difference a tweak makes. (Battery)

Hi.
Since buying my phone I have been suffering with serious battery issues and been following steps and advice within these forums to try and combat it. The other night I took the phone to bed on a full charge and when I got up at least 8 hours later, my battery was at 60 odd %, and has been like that and worse sometimes since buying it, and have had to put it on charge every night as throughout the day it would drain considerably.
I started the thinking that perhaps the battery was faulty, I did get my phone second hand at a bargain price so had started wondering if that was why, and as nothing I've read on here seemed to be helping, that had cemented my thinking.
One of the last things I did before going to bed last night was to remove Facebook using Titanium backup, and changed the quicklaunch bar for the Beautiful widgets, widgets (wifi, BT ect). Woke up this morning to find my battery at 88%, it was at about 94% when I finally stopped using the phone, so I'm quite a happy bunny this morning.
Perhaps some might think it's still drained a bit too quick?, but as it's clearly a vast improvement, I'm more than happy with that right now.
I find it odd that so many X10 users are having problems with their battery performance. My stock Canadian (RB20) X10 lasts over 3 full days if I don't use wi-fi or voice much --granted, for those who make lots of calls and suck up 3G data, no phone will yield over 3 days per charge. I haven't uninstalled the standard apps either and have my screen brightness at maximum all the time (though I always immediately shut it off when not in use).
Just making a few calls, sending a few texts, checking my e-mail a couple of times per day on wi-fi, and playing about 2 hours of music, my battery drops 10-15% only.
applebook said:
I find it odd that so many X10 users are having problems with their battery performance.
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Click to collapse
It is strange, and stranger that a little bit of tweaking seems to sort it out. I'm going to see how it goes and try not to charge it over the next day or so. It's only 10 mins or so that it's dropped to 87%, which as I've said is a considerable difference to what it's usually been.
i also find it interesting that people are having problems with battery life, im coming from a samsung i8000 Omnia II and before that the i900 Omnia I, my omnia 2 did have better battery life as i didnt use as much of the phone as i do now, bearing in mind with my omnia II i made about 20-30 calls anywhere between 1 and 40 min each, i sent about 30 sms/mms, checked my emails (not push option) a bit of internet and maybe hour of gaming and my battery would be at 40% at the end of the day 8am-11pm). now with my SE X10 i do all the same but i get my emails checked automatically every hour, weather every hour, same amount of calls and sms/mms, play games for about hour, check the news blogs, find something thru google maps or 'layar' app, download a few wallpapers, maybe update apps, and i have 30% left by 6pm so its not as good time wise as my previous phone but i use the phone more that i did before, and that is something people dont realise is that they are actualy using the phone alot more, the iphone had a similar problem, APPLE didnt expect people to spend so much time on it, but id suggest that if your at the office or in the car, just plug it in for a bit it will make a difference
just my 2 cents and observations
i set facebook to never update automatically, so it does not drain my battery. I noticed that the sync with google calendar drains the battery really fast. I had the google calendar auto sync checked and there was only 56% left every morning from a 100% charged battery before going to bed. After I unchecked that option it only drains about 3% now.
jerrytea said:
i set facebook to never update automatically, so it does not drain my battery. I noticed that the sync with google calendar drains the battery really fast. I had the google calendar auto sync checked and there was only 56% left every morning from a 100% charged battery before going to bed. After I unchecked that option it only drains about 3% now.
Click to expand...
Click to collapse
Unless your Google Calendar is changing I don't see why it's syncing?
I have background data on, 4 email account polling every 10 minutes, 1 push email account, Twitter, Facebook and I'm dropping 1% per hour unplugged.
applebook said:
I find it odd that so many X10 users are having problems with their battery performance. My stock Canadian (RB20) X10 lasts over 3 full days if I don't use wi-fi or voice much --granted, for those who make lots of calls and suck up 3G data, no phone will yield over 3 days per charge. I haven't uninstalled the standard apps either and have my screen brightness at maximum all the time (though I always immediately shut it off when not in use).
Just making a few calls, sending a few texts, checking my e-mail a couple of times per day on wi-fi, and playing about 2 hours of music, my battery drops 10-15% only.
Click to expand...
Click to collapse
Don't take this the wrong way but if you don't make calls, no WiFi and it sounds like you're not using much 3G, few text and email a couple of times a day .... sort of should last long, No?
Kind of like if I put gas in my car and don't drive it
XperiaX10iUser said:
Hi.
Perhaps some might think it's still drained a bit too quick?, but as it's clearly a vast improvement, I'm more than happy with that right now.
Click to expand...
Click to collapse
If you want to be really happy
http://forum.xda-developers.com/showthread.php?t=725796
Izzy_Deadyet said:
If you want to be really happy
http://forum.xda-developers.com/showthread.php?t=725796
Click to expand...
Click to collapse
Thanks, but no thanks, the thing I love about the Xperia is it's sleekness, so the last thing I'd want to do is stick an ugly ass extended back cover on it. If push came to shove I'd just buy another battery and rotate them, but as I seem to have sorted my issue out it looks like I won't have to.
Izzy_Deadyet said:
Don't take this the wrong way but if you don't make calls, no WiFi and it sounds like you're not using much 3G, few text and email a couple of times a day .... sort of should last long, No?
Kind of like if I put gas in my car and don't drive it
Click to expand...
Click to collapse
That was my point. It should last, yet some here are reporting that their X10 loses an insane percentage every hour without any activity.
For people having problems with the xperia battery life, two questions:
1. Are you using moxier mail?
2. Are you using SE built-in flickr account?
If you are using either, try turning them off (delete the flickr account from phone and restart the device) and share what the progress is. I would be very interested to know the before-and-after difference, and am very hopeful you find your issues a thing of the past with this change . Lemme know.
For email you can still use the other built in apps, not to mention K-9 mail.
My solution.
Hi,
My phone would burn 10% per hour, without use.
I went on holiday with it and it suddenly behaved itself. I put this down to the Roaming preventing data access.
On my return to the UK I've loaded an app called 'Data on Demand' from the market. It prevents data access when the screen is off. (default settings)
My phone will now last 4 days with my light usage.
If your only getting one day, give this a try, If I remember correctly it was free too.
Kind Regards,
Paul.
I have wifi and BT off, GPS on and I use 3G.
Thanks for the tip Paul.. I'll give that a try.. sounds good..
Guys its a smartphone with a 1 ghz processor and a large screen. I dont get why people think the battery is supposed to last forever. Anything over 20 hours is great in my opinion. If you want a powerful smartphone, you WILL have to charge it every night. Get used to it. I dont see why this is an issue.
I guess the issue is the relative difference people have in battery life compared to each other
Sent from my X10i using XDA App
Paul5015 said:
Hi,
My phone would burn 10% per hour, without use.
I went on holiday with it and it suddenly behaved itself. I put this down to the Roaming preventing data access.
On my return to the UK I've loaded an app called 'Data on Demand' from the market. It prevents data access when the screen is off. (default settings)
My phone will now last 4 days with my light usage.
If your only getting one day, give this a try, If I remember correctly it was free too.
Kind Regards,
Paul.
I have wifi and BT off, GPS on and I use 3G.
Click to expand...
Click to collapse
I've tried Data on Demand on my X10i and it seems not to turn data off properly in automatic mode. Could it be a problem with Switcpro widgets? Do you use this one too?
Zenghelis said:
I've tried Data on Demand on my X10i and it seems not to turn data off properly in automatic mode. Could it be a problem with Switcpro widgets? Do you use this one too?
Click to expand...
Click to collapse
No I don't, but I do find a re-boot after charging helps. I guess there must be some naughty app/service in there somewhere.
The effect I get using Data on Demand is dramatic. I'm hoping others will see this result too.
Regards, Paul.
48-hours, over two dozen short calls, handful of SMS texts, some wi-fi, screen brightness maxed, 4 hours of music, still over 25% charge. I didn't use data though, but even if I had, I still could have lasted the 2 full days on a single charge.
If your X10's battery is not lasting, then you are doing something wrong, or there is a problem with the battery/phone.
Thanks for the heads up, Paul, will let you know if it improves the battery life on my x10i 026 rooted.
applebook said:
48-hours, over two dozen short calls, handful of SMS texts, some wi-fi, screen brightness maxed, 4 hours of music, still over 25% charge. I didn't use data though, but even if I had, I still could have lasted the 2 full days on a single charge.
If your X10's battery is not lasting, then you are doing something wrong, or there is a problem with the battery/phone.
Click to expand...
Click to collapse
So aside from the WiFi you used it like a Moto Razr, yup it does play mp3's
It seems that you're comparing your non-smartphone type usage to users having battery problems using all of the features. You then go on to say the users are doing something wrong. Which is what? Using the features of the X10? I imagine if I charged the phone, turned it off, it would last for days
GPS ON
WiFi off
Bluetooth ON
3G ON
Background Data ON
Gmail syncing mail, reader, calendar, contacts
Twitter and Facebook both running
Emails 20
SMS 10
Talk time 90 minutes
Screen at 50%
Playing online Poker for 2 hours
Reading XDA Forums 30 minutes
NewsRob 20 minutes
Market for 15 minutes
Total screen on time about 4.5 hours
This is in 10 hours, battery remaining 62% ... it's a 2600mAh extended battery.
Yes, I actually use the features of the X10.
I'm sorry but it's getting annoying hearing people say that they're getting great battery life with the original battery but .... do this ... turn off all of the features.
Here's the bottom line. If you use the features to the max then the battery will drain.
I wouldn't have even commented on your comment but when you said "then you're doing something wrong" .... well ... I think you"re wrong on this issue.

Bad battry life... anyone ?

Hi guys, I have my omnia 7 for less then a week now and I found it's battery life terrible, the worst performance ever. It drys off in less then a half of day with general use. I fill the battery to 100% over the night and then I wake up in the morning at 5.30am and when I'm back from school sometimes it's allmost empty, sometimes is at about 20% with a usage of About 15 mins of gaming, some browsing/facebook.. few calls and sms and an hour or two of music playback.
I have wifi, bluetooh, push mail, feedback and locations off. Have also been reading on the social.answers microsoft forum about that and there were different tought. I'm wondering how is it with yours.. is it REALLY this bad or it is something wrong with my phone/battery. I don't want to take it back if all are like this as it will be at least one week on service.
uristic said:
Hi guys, I have my omnia 7 for less then a week now and I found it's battery life terrible, the worst performance ever. It drys off in less then a half of day with general use. I fill the battery to 100% over the night and then I wake up in the morning at 5.30am and when I'm back from school sometimes it's allmost empty, sometimes is at about 20% with a usage of About 15 mins of gaming, some browsing/facebook.. few calls and sms and an hour or two of music playback.
I have wifi, bluetooh, push mail, feedback and locations off. Have also been reading on the social.answers microsoft forum about that and there were different tought. I'm wondering how is it with yours.. is it REALLY this bad or it is something wrong with my phone/battery. I don't want to take it back if all are like this as it will be at least one week on service.
Click to expand...
Click to collapse
mine is on par with any other smartphone ive owned. i can get 24 hours out of it comfortable. thats with about 30 mins calls, 15-20 sms, 30-40 mins gaming, wifi, bluetooth, location & feedback all turned on, windows live & facebook hourly sync & 5 email accounts syncing between every hour & every 2 hours. i have noticed battery life seems to suffer when i use last.fm over HSDPA so maybe its something related to music playback. but even with 3-4 hours of last.fm im still getting 13-14 hours.
uristic said:
Hi guys, I have my omnia 7 for less then a week now and I found it's battery life terrible, the worst performance ever. It drys off in less then a half of day with general use. I fill the battery to 100% over the night and then I wake up in the morning at 5.30am and when I'm back from school sometimes it's allmost empty, sometimes is at about 20% with a usage of About 15 mins of gaming, some browsing/facebook.. few calls and sms and an hour or two of music playback.
I have wifi, bluetooh, push mail, feedback and locations off. Have also been reading on the social.answers microsoft forum about that and there were different tought. I'm wondering how is it with yours.. is it REALLY this bad or it is something wrong with my phone/battery. I don't want to take it back if all are like this as it will be at least one week on service.
Click to expand...
Click to collapse
mine is running fine.
1. exchange mail
2. google mail
3. facebook sync
4. average 10 minutes surfing
5. 10 minutes game
6. less than 20 sms
7. average 10 minutes voice call
morning 9AM full charged and at least 60% by 8PM
ok thank you guys for reply.. I'm deffinetly taking it back for a replacement on monday.
It could be some app running under the lock screen draining your battery, like a game or Last.fm... other than that, yeah, sounds like a replacement is in order
T045T said:
It could be some app running under the lock screen draining your battery, like a game or Last.fm... other than that, yeah, sounds like a replacement is in order
Click to expand...
Click to collapse
Nothing running in background. anyway I'll take it back in monday and ask them for a replacement if not, I'll have to wait a week or two to get it back from repair service... trought I hope to get it back till new year.
Maybe consider just buying a new battery?
you should definitely ask for a new battery first, before sending it to service. In the end all is made in China... P.s. My bat. lasts the same as descibed by the others. 1-1,5 day...
Bya said:
Maybe consider just buying a new battery?
Click to expand...
Click to collapse
giving 390€ with 24 months of contract, using the device for one week and you really think I'm as dumb to buy a new battery as I have 1 year warranty on battery and other accesories ? ... Really ?
mchabr said:
you should definitely ask for a new battery first, before sending it to service. In the end all is made in China... P.s. My bat. lasts the same as descibed by the others. 1-1,5 day...
Click to expand...
Click to collapse
Thanks, I'll see what it can be done..
my omnia7 leasts longer than my galaxys with data and email sync .. so no problem
Ok I was at my carrier and they said that the phone needs to be send on service (no replacement options) so I'll probobly send it after new year.
But I notice that when I'm at home (I live about 7-8km out of the city) my battery last muuuuuch longer, actually enugh for what I expect - 2h of music, about 2h web and of market browsing (connected to home wifi + mobile data enabled connected on 3g+ full signal) and when I'm in school (city centre) it drys my batery much faster. Today after 3h with 20min of music and 5 min of web browsing it fell on less than 50% and few hours later on -20% and then it turned off. (same if connected to school wifi or just 3g+ also with full signal)... I really don't get it .
And many of my school mates have the same carrier but don't have any of this problem... might it be somekind of carrier transmitor selectnig bug with windows phone 7 or what ?
Things to note - browsing with WiFi requires less power than browsing over 3G - 3G browsing will suck out your battery a lot faster. (The phone will not use your mobile data connection if you're over WiFi) Also, depending on the lighting conditions, your screen auto brightness will probably also have your screen on a lower brightness setting in your house.
That, and I don't really recommened using your phone as your primary Music/Video palyer if you're serious about battery life - that does a good job of sucking your battery too, and you'll ntoice most of the people getting good battery life aren't really using it as their primary media player.
actually I tested it with using at home with same settings (brightnes to low, wifi/3g off/on) and I can see that when I'm in the city centre it sucks the battery in only few hours with data connection on and not connected to wifi so I assume that my operator wich recently updated it's network did something wrong as my school mates have noticed this too but none of them isn't using a smartphone on this network so it isn't so obvius. I temporary solved the problem with turning off data connection when I'm in the centre and turning it on only when I need it and when I'm out of the centre.
I also noticed my battery life sucked when I had the official twitter application installed on it.
Today I left it charging for 8 hours on my laptop and the battery meter barely moved, I removed Twitter and hey presto it started to charge properly.
Back to Beezz and now all is ok
daleski75 said:
I also noticed my battery life sucked when I had the official twitter application installed on it.
Today I left it charging for 8 hours on my laptop and the battery meter barely moved, I removed Twitter and hey presto it started to charge properly.
Back to Beezz and now all is ok
Click to expand...
Click to collapse
Apps don't run in the background so it is pretty much impossible for twitter to be draining your battery if it is not open.
Maybe it was just a coincidence but as soon as I removed this app my battery started to charge.
Unless it was a one off issue with charging over usb.
my batterylife is the best ive ever had in a smartphone ... i need a custom rom on my galaxy s with android to get close to the batterylife of my omnia 7 ... i am using hsdpa with the same provider on both phones permantly and im syncing emails with them ... even with gaming (sims 3 or nfs underground) the windows phone least longer.
Spybreak said:
Apps don't run in the background so it is pretty much impossible for twitter to be draining your battery if it is not open.
Click to expand...
Click to collapse
Not at all. There could me a memory leak in the .NET/silverlight runtime - even Microsoft developers make mistakes
Tbh, I have the Twitter app installed also and my battery life is as good as can be expected with a modern smartphone: 1.5 days heavy use (Music, Twitter, Facebook, web browsing & constant SMS/e-mail)
may I ask somebody for a favor ? Under the diagnosis (call ##634#) type *#2*# (battery diagnosis) and please check what does it say on the third screen at the last line "Result". For me it's "Pass/Fail". Might this "fail" mean it's something wrong with the battery ?
PS. after dialing ##634# a shortcut for diagnosis will show up in the apps menu... just delete it if you don't need it.
And to get to the third screen use the big arrow on the top =)

Battery Obsession

What is wrong with almost everyone's obsession regarding battery life??
Oh my gosh I'm so tired of hearing everyone saying: I have switched everything off now and still only get 2 days of use.. Why??
If you want a weeks worth of battery life get 1" non-touch black & white screen phone.
If you want a awesome phone get a Galaxy Note, switch everything on, sync your social networks and mail every 10 minutes. Browse the web on the awesome 5.3" screen, play games and enjoy the phone to the full. So what if you need to charge it every 12hours.
Pikkie86 said:
What is wrong with almost everyone's obsession regarding battery life??
Oh my gosh I'm so tired of hearing everyone saying: I have switched everything off now and still only get 2 days of use.. Why??
If you want a weeks worth of battery life get 1" non-touch black & white screen phone.
If you want a awesome phone get a Galaxy Note, switch everything on, sync your social networks and mail every 10 minutes. Browse the web on the awesome 5.3" screen, play games and enjoy the phone to the full. So what if you need to charge it every 12hours.
Click to expand...
Click to collapse
2days hahahaha he said 2 days hahahahahahaha
1charge per 12 hours with 4.5-6 hours screen on for surfing and videos 2 hours music to work and back and if not music it is 720 video Dr.House and all the time wifi or 3g on!!! oh and 3-4 hours on a area with 0-2 signal and only G
life battery rocks!!!
Sent from my GT-N7000 using XDA App
2 days 10 hours with light usage (1 hour screen on time, automatic brightness, few 5 minute calls, about 20 notes, apps updating and some browsing over wifi) and still have 70% left.
It depends on the user. It surely has the juice to cope with heavy use. I couldn't be more happy
Bassarnis said:
2 days 10 hours with light usage (1 hour screen on time, automatic brightness, few 5 minute calls, about 20 notes, apps updating and some browsing over wifi) and still have 70% left.
It depends on the user. It surely has the juice to cope with heavy use. I couldn't be more happy
Click to expand...
Click to collapse
Cheater you Charged it for sure with a usb and forgot
Sent from my GT-N7000 using XDA App
Braxos said:
Cheater you Charged it for sure with a usb and forgot
Sent from my GT-N7000 using XDA App
Click to expand...
Click to collapse
No cheats here, just light usage
bassarnis, be a pal and tell us how the hell you managed that. even with light usage i'd be lucky to get 15+ hrs.
kebong said:
bassarnis, be a pal and tell us how the hell you managed that. even with light usage i'd be lucky to get 15+ hrs.
Click to expand...
Click to collapse
Roger that, entering good guy Greg mode.
First of all, the fist charges are important. Once i bought it, i updated it to latest 2.3.6 OTA and started using it till it shut itself off. Then charged it to full while off. Repeated this circle 5-6 times, maybe more. I haven't rooted the device yet. Its 100% stock running KK5. (Europe)
As i am in places where there is wifi available, i switched data off. In wireless and network options, i use "GSM only" mode. I left auto synch, auto brightness and gps on.
Widgets. I use the stock weather, stock digital clock, battery solo widget, stock task killer, stock news and weather, stock calendar. All those spread across 6 homescreens with 39 other app shortcuts on a black/silver background.
About the light usage. 5-6 times a day, i switch wifi on for synching. I read my mail and check my Facebook messages. Once i am done doing whatever i wanted to do that requires internet (update any app that requires updating etc.), i switch wifi off.
Lastly, before going to sleep, i close all active apps using the stock task killing widget and clear the ram. Overnight, i lose 2% battery.
Now that's what I call a battery obsession!
I just use my device as I see fit, and top up charge when I can - I have a Micro USB cable on my keyring, which means I've always got a charging cable on me.
Regards,
Dave
Sent from my GT-N7000 using Tapatalk
Bassarnis said:
Roger that, entering good guy Greg mode.
First of all, the fist charges are important. Once i bought it, i updated it to latest 2.3.6 OTA and started using it till it shut itself off. Then charged it to full while off. Repeated this circle 5-6 times, maybe more. I haven't rooted the device yet. Its 100% stock running KK5. (Europe)
As i am in places where there is wifi available, i switched data off. In wireless and network options, i use "GSM only" mode. I left auto synch, auto brightness and gps on.
Widgets. I use the stock weather, stock digital clock, battery solo widget, stock task killer, stock news and weather, stock calendar. All those spread across 6 homescreens with 39 other app shortcuts on a black/silver background.
About the light usage. 5-6 times a day, i switch wifi on for synching. I read my mail and check my Facebook messages. Once i am done doing whatever i wanted to do that requires internet (update any app that requires updating etc.), i switch wifi off.
Lastly, before going to sleep, i close all active apps using the stock task killing widget and clear the ram. Overnight, i lose 2% battery.
Click to expand...
Click to collapse
I see things like this and I cringe... It's a smartphone. It shouldn't need all this garbage done to it to get good battery life. It shouldn't need toggling, everything should be on, push notifications should be used, and it should still get good battery life
Yumunum said:
I see things like this and I cringe... It's a smartphone. It shouldn't need all this garbage done to it to get good battery life. It shouldn't need toggling, everything should be on, push notifications should be used, and it should still get good battery life
Click to expand...
Click to collapse
YEAH! i should be able to have wifi always on without it using any battery. thats right. screw the laws of thermodynamics, it should run for weeks even! having to toggle a button is just way too much work for me!
Yumunum said:
I see things like this and I cringe... It's a smartphone. It shouldn't need all this garbage done to it to get good battery life. It shouldn't need toggling, everything should be on, push notifications should be used, and it should still get good battery life
Click to expand...
Click to collapse
I partly agree with you. But we lack the battery technology to do all that. Not having enough signal coverage alone is enough to drain your battery. In some ways, you adjust yourself so as to keep using the phone for longer periods of time.
I must disagree with the fact that all the above i mentioned are garbage though. I am happy that i figured out a combination that will save me huge amounts of battery. I can still do all the heavy use i need, when i need it. With smart-phones there are options in settings to let you do just that. No-one forces you to do all that, just as no-one forces me to leave everything on.
Having lost 30% battery in 2+ days, means that theoretically if i kept using it like that i would get 7 days of one charge. For example, i know when i will receive an email, from who and when he/she expects me to reply. I hardly get any emails that require immediate response. If someone expects me to reply instantly, they send an sms, or call. Both of the options work fine using gsm only mode.
I also don't find important being logged in facebook 24/7. I 'll log when i have a break, before sleeping and when i wake up. Need to check the weather before leaving for work? Tap on wifi, wait 2 secs for it to connect, click refresh on the widget, done. It doesn't take more than 10 seconds.
I don't rush to turn off wifi or anything. I just use the battery juice and the phone's cpu on demand. The note is indeed a smart-phone, but with all it's features it is reaching laptop territory. I find that treating it as a laptop works better for my needs. Then again, thats just me. If your lifestyle demands all of the note's features on 24/7, then by all means leave them on. There are external 18000 mAh battery packs you can grab.
I'm running Cassies's Lite ROM and I can get between 5 hours and one week on a single charge. Just do everybody a favor and understand that this thing can go into sleep state for days.
If I leave it alone, nothing playing or syncing on the background I lose about 1-2% in 8 hours, so this could go on for days, even a week if you don't touch it.
Of course if the screen is on for only 15 minutes on 2 days, you're not going to have much power used.
During calls screen is off, yesterday I did a 1 hour call and lost less than 10% battery. So you can make several calls on 2 days and lose litlle charge.
If you play a 3D game with screen on at full brightnees, you'll deplete the battery in 5 hours.
It's no difficult to understand. battery life depends on what you do with the thing. Whenever the screen is on, it will consume power. How much depends on the brightness level and the color of the pixels displayed.
Syncing facebook / twitter / e-mail through 3G takes a lot of power too, specially when you're on a low signal area.
Anybody noticed the difference charging the phone while off versus charging it while on.
It looks to me charging while off makes the phone battery last much longer
it also takes much longer time to charge
ChromJ said:
Anybody noticed the difference charging the phone while off versus charging it while on.
It looks to me charging while off makes the phone battery last much longer
it also takes much longer time to charge
Click to expand...
Click to collapse
Yes thats a fact, it also happens with my girlfriend's galaxy s2.. With my note the other day, found out that even plugged by usb to the pc with intensive using, wasn't enough to charge the battery % and actually it was decreasing..
William Haven said:
Yes thats a fact, it also happens with my girlfriend's galaxy s2.. With my note the other day, found out that even plugged by usb to the pc with intensive using, wasn't enough to charge the battery % and actually it was decreasing..
Click to expand...
Click to collapse
My old iPhone 4 did that . I was downloading an app while having it plugged in into the wall outlet, and the battery just started going down (600+ meg download).
The note is a sloooowww charging device, that's for sure.
i always get over 2 days life out of mine. i never use wifi and i have gps on all the time. But what i do is i have the screen to auto and i use the stock task manager widget. With applications i always use the back button instead of home which 90% of the time closes the app. As a browser i use opera mobile as this has an exit button too. keeping running apps to a minimum seems to help my battery las well.
I'm getting amazing battery life.
And still going strong 11hrs with somewhat light usage and it's nowhere near 50% battery yet hehehe
Sent from my GT-N7000 using Tapatalk
i can get around 5 hours display time, wich is faaaaar better than sgs2. During the night the power consumption is 1% per 5 hours with wireless off or 1%/hour with wireless on. I'm on Rocket rom v12 which rocks!
Sent from my GT-N7000 using xda premium
Yumunum said:
I see things like this and I cringe... It's a smartphone. It shouldn't need all this garbage done to it to get good battery life. It shouldn't need toggling, everything should be on, push notifications should be used, and it should still get good battery life
Click to expand...
Click to collapse
I'm getting 3.5 days on a charge with moderate use.
I have 4 email accounts that are polled every 60 minutes.
I make a few calls a day and use the browser a little.
What seems to help is doing a force stop on apps that I'm not using like AP Mobile and Yahoo Finance.
Also, I am runnning KL7.
With light usage, few sync's a few calls ((4-5 min) some texts and notes and few minutes of gaming.. I get a around with 16+ hours of usage easily. I'm happy with the battery and the Note can definitely get on with a more aggressive battery usage...

Tab Pro 8.4 Battery Life

How much battery life are you guys getting on your Tab Pro 8.4? I bought mine couple of days back and I felt it's disappointing.
metaldood said:
How much battery life are you guys getting on your Tab Pro 8.4? I bought mine couple of days back and I felt it's disappointing.
Click to expand...
Click to collapse
Mine has been fine. But, i use it to read and browse the web. I rarely make it down to 50% each day.
Cheers,
Rich
rholm said:
Mine has been fine. But, i use it to read and browse the web. I rarely make it down to 50% each day.
Cheers,
Rich
Click to expand...
Click to collapse
What's your on-screen time in battery stats? Or maybe post a screenshot of your battery usage.
metaldood said:
What's your on-screen time in battery stats? Or maybe post a screenshot of your battery usage.
Click to expand...
Click to collapse
It shows 2 hrs 10 minutes. I have 67% battery left.
Cheers,
Rich
What bugged me was the disappointing battery life when the screen was turned off (not completely powered off of course). Even in airplane mode it would die in a day or two just sitting around. Battery stats showed Android System and OS were killing the battery. I never figured out if there was a setting or something to fix it.
Instead I loaded Cyanogenmod 11 on it a week ago and now it uses only 3% of the battery a day when I'm not using it. I don't miss any of the Samsung extras.
sbleacher said:
What bugged me was the disappointing battery life when the screen was turned off (not completely powered off of course). Even in airplane mode it would die in a day or two just sitting around. Battery stats showed Android System and OS were killing the battery. I never figured out if there was a setting or something to fix it.
Instead I loaded Cyanogenmod 11 on it a week ago and now it uses only 3% of the battery a day when I'm not using it. I don't miss any of the Samsung extras.
Click to expand...
Click to collapse
Something must be keeping it awake. My tab has excellent standby battery life.
Doesnt lose more than 5% in a day. I do have the setting to turn wifi off when in sleep mode though (unless plugged in)
Battery life on the whole varies. Video watching through the stock video player drops about 10% an hour. Surfing would depend on your browsing habits. Gaming drains close to 20% an hour. Pretty standard. That along with the excellent stand by time means I get about 2 days of use on a charge.
Every day at work telephony, internet, email, IMO 24hours, 24hours Bluethooth Gear 2 connect. Dinner consists of my tablet battery 55%. For me life is great. My tablet root and frozen Samsung Apps (Bloatware) ... XDA .... Try the Nova launcher from the Play Store to Improve speed. Set it as your default launcher then Disable / Turn Off;
Flipboard, MagazineWidget, S Voice, Samsung Apps, Samsung Apps Widget, SapaMonitor, Screen Saver, World Clock, and (Hancom, Office for Android Share, Hcell, Hshow, Hword, Updater, Viewer Launcher, and Widget) if you do not plan on using it.
We will be adding Quadrant test 24,000 points on the original ROM.
Play google baterry doctor.
Battery life is good its an app thats draining the battery.
Sent from my SM-T520 using Tapatalk
208
rkial said:
Something must be keeping it awake. My tab has excellent standby battery life.
Doesnt lose more than 5% in a day. I do have the setting to turn wifi off when in sleep mode though (unless plugged in)
Click to expand...
Click to collapse
Yes it was using as much battery as watching a movie with the screen on. Something was terribly wrong with it. I think this behavior started after a software update I got from Samsung.
I turned everything off including Wifi and it was still eating the battery while sitting there with the screen off. I have never seen that with any Android device I've ever owned.
But I'm happy with Cyanogenmod. Battery life is outstanding now.
My battery life was mediocre, and then I put cyanogenmod on, and it went to dreadful. With the tablet at 100% and OFF, untouched, it would be 20% down in 10 hours. In contrast, my iPad loses maybe 3% in that time, doing the same thing - tracking email.
I ran a wakelock tracker and noticed that Exchange Services has it awake about half the time. The total time. Like in 10 hours Exchange had it awake (with screen off) more than five hours. Effen ay. Something is seriously screwed up with how Cyanogenmod's Exchange talks to the two Exchange services I use. Switching from Push to "5 minutes" has helped significantly; Exchange is still the worst culprit, but now only by a factor of four rather than a few hundred.
Ideally what I'd like is the new Exchange apks modified to prevent admin and fixed to be less wakelock intensive.
rkial said:
Something must be keeping it awake. My tab has excellent standby battery life.
Doesnt lose more than 5% in a day. I do have the setting to turn wifi off when in sleep mode though (unless plugged in)
Battery life on the whole varies. Video watching through the stock video player drops about 10% an hour. Surfing would depend on your browsing habits. Gaming drains close to 20% an hour. Pretty standard. That along with the excellent stand by time means I get about 2 days of use on a charge.
Click to expand...
Click to collapse
What is your on-screen time during the 2 days?
Wotta said:
I ran a wakelock tracker and noticed that Exchange Services has it awake about half the time. The total time. Like in 10 hours Exchange had it awake (with screen off) more than five hours. Effen ay. Something is seriously screwed up with how Cyanogenmod's Exchange talks to the two Exchange services I use. Switching from Push to "5 minutes" has helped significantly; Exchange is still the worst culprit, but now only by a factor of four rather than a few hundred.
Click to expand...
Click to collapse
Cyanogenmod has their own version of Exchange?
Our Exchange servers at work are ridiculously slow and unreliable. They can take two minutes to return your mail which is a major drain on your battery if it's set to check it every five minutes and you get a lot of mail. Sometimes they'll just stop responding and leave you hanging. The IT people just tell you to keep trying and you'll get your mail eventually.
metaldood said:
What is your on-screen time during the 2 days?
Click to expand...
Click to collapse
Dunno.. 7-8 hrs I guess. Screen on time really doesnt mean much without any context.
I can get 12hrs+ watching videos on 20% brightness. I can kill it in 4 hrs playing games at 100%.
Like I said, the standby is excellent. Drains less than 10% in 2 days. So for me, I have about 90% to use over 2 days.. and from my experience,
video drains less than 10%/hr
gaming ~20%
reading books drains less than video.
General surfing, mails, social networking uses between 10-15% depending on how you are using it.
My brightness is usually around 40%. Goes up rarely when I'm using it bright conditions. Goes lower when I'm reading late at night
Should give you an indication of what you can expect from the battery depending on your usage..
Mine drains about 10% per hour while constantly using the device for light tasks, such as reading, web surfing, and watching some YT videos here and there. That increases to about 15%/hour when I watch movies. So after watching a 2 hour movie, I expect to see about 70-75% of battery left. Now if I'm listening to music for an hour at the gym with the screen turned off, it only drains about 3%.
At first, I thought that was pretty mediocre and felt disappointed. But I've taken my tablet with me on many trips and never had it die (usually just close to 20%). I rarely ever use my external battery pack. I know this will vary depending on how long the trip is and how much you're using it, but I'm just saying that it meets my needs despite having a lower battery life compared to some other tablets. I do all I can to extend it, but I don't have to constantly watch it.
Last night I charged the tab 100% and with Wifi off (sync for 1 min every hour. )
Today the battery is at 71% - On battery 13hours - 44 mins
27% Android OS
24% Google services
13% Android System
8% Onscreen time - 20 mins
Should I flash CM to fix this?
metaldood said:
Last night I charged the tab 100% and with Wifi off (sync for 1 min every hour. )
Today the battery is at 71% - On battery 13hours - 44 mins
27% Android OS
24% Google services
13% Android System
8% Onscreen time - 20 mins
Should I flash CM to fix this?
Click to expand...
Click to collapse
CM won't fix that. Install Better Battery Stats or Wakelock Detector to nail down the precise problem. If you're using them, it could be Exchange Services or Google Drive (yeah, that turkey wakelocked me to oblivion!), at which point you at least know what to attack.
You can find BB on XDA here and WakeLock Detector on XDA here, both are also in the Play Store.
Wotta said:
CM won't fix that. Install Better Battery Stats or Wakelock Detector to nail down the precise problem. If you're using them, it could be Exchange Services or Google Drive (yeah, that turkey wakelocked me to oblivion!), at which point you at least know what to attack.
You can find BB on XDA here and WakeLock Detector on XDA here, both are also in the Play Store.
Click to expand...
Click to collapse
Google search with 23 mins of wake time and Gmail with 6 mins.
Currently Deep sleep is 14 hr 26 mins. Total time is 17h 5m. Awake is 2h 39m. Screen on time - 27mins.
I added the google now widget a couple of weeks back and that caused some wakelocks and overnight battery drain. Removed it and didn't have the problem.
The battery life is pretty good for me. Was out a lot, so had wifi off for large parts.. watched videos (from device), read some books, played some Asphalt (not much.. around 30 mins) and some browsing/mails..
Got 11 hrs screen on over 2.5 days and still have 15% left.
Yeah was indoors so the brightness was never over a third (~30%) and reading books really doesnt drain much battery(especially if its at night and you turn the brightness further down)..
I'm not saying people will get 10+hrs screen on with their device and usage constantly.. 8hrs would be realistic.. but the point is, the battery is a lot better than I had originally expected.
Wotta said:
I ran a wakelock tracker and noticed that Exchange Services has it awake about half the time.
Click to expand...
Click to collapse
I have this same problem - except my GTP is 100% stock, unrooted. I can go into Settings/Battery to see that Exchange Services is chewing my battery. It will die in less than 24 hours, even if I don't use it - as long as it has a WiFi connection. I think if I turn off WiFi, it will stop attempting to sync and the battery will last "normally". I don't know for sure, though, as I haven't tried. I'm not interested in a tablet with no network connection or even without my email.
I'm going to cut a VERY long story short (at least, here) and say that I have spent several hours logging the ActiveSync traffic between my tab and my server, poring over the logs, and I have identified the problem. It's one particular item that is failing to sync, which causes the tablet to retry the sync every 1 second. The sync failure causes the server to log an internal server exception every time - despite the ActiveSync requests from the tablet being correct. I also found a Microsoft KB article that appears to address this exact problem, and MS has a hotfix available for it.
I have talked to Tech Support at my hosted Exchange provider and they have confirmed with their operations staff that my server does not have the MS patch that is referenced in the KB article installed. Unfortunately, they are giving me a bit of the runaround on installing it. I only have one mailbox hosted with them, so I have no pull. They sound like Verizon. "We have to thoroughly test this update in our lab before we can install it on your server." And "nobody else has reported this problem and we can't put too much time into a problem that only one user is experiencing."
So, I am now just waiting for them to install it on my Exchange server and see if it really does fix the problem for me. If it does, I will be posting about it on XDA and the AC forums, as a Google search showed me that a lot of people, with a lot of different Android devices, have this same problem and nobody seems to know what's really going on or how to fix it. I will try to remember to post back in the GTP General subforum specifically, too, so stay tuned.
My battery life seems to be getting better as the battery gets some more charges on it.
Sounds basic / silly, but i simply put mine in battery saver mode and that made a big difference with little effect on performance

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