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Hi all,
I know this issue has been kicked to death but I'd like to get some opinions. I've searched and read through numerous threads about the tp2's battery and some are extremely happy with their battery life while others are not.
Just today I was talking on my tp2 for 5 mins and the battery went from 98-99% to 91%. This was around hr after I had unplugged it from a 7hr recharge (went from 50% to 100%). This would mean I have a talk time of 50-60 minutes, which doesnt seem right.
Typically, I get down to 40-50% in a day after heavy data usage (google maps, internet browsing) with no phone usage.
I've installed maybe 10 tweak cabs/programs and I've made sure s2u2's display mode is set to rawbuffer.
Thoughts?
Is your battery/device new? The battery needs a couple recharge cycles to reach optimal capacity...
have had it for 4 weeks now. Are we talking about 0 to 100% when you talk about recharge cycles?
I wouldn't worry too much. I find that when the battery capacity is above 90%, the readings are not very accurate. I've sometimes experienced a drop of 6 or 7 percent over a span of a few minutes and sometimes, it's stuck on 99 or 98 percent for an hour of usage.
I use my device heavily during the day and it gets down to about 40% at the end. So, that's pretty much in line with what you experience.
When I woke up this morning, I turned off my phone and after it booted up I unplugged it, because I wanted to get a realistic idea of it's battery life (it's been fluctuation on me). It was at 100% I'm reading at 19% now, I have an Up time of 3:12:00 and an Awake time of 2:44:16 (I have been using it pretty constantly, so the awake time doesn't worry me too much). This is obviously ridiculous, this could possibly die in less than 3 & 1/2 to 4 hours. Battery use is: Android System: 58%, Display: 17%, Cell standby: 14%, Everlands Lite: 6%, Phone idle: 3%, android.process.acore: 2%. I just downloaded Everlands today and played it a lot, but with that low of a percent it can't possibly be an issue. I'm running Damage Control v3.2, and I'll post the DConfig in the next post.
DConfig
Basic Tweaks:
ZipAlign On Boot
swppart
Swappyness: 30
Dalvik heap: 32mb
LowMemKiller: Evo 150mb
Advanced Tweaks:
Up threshold: 95
sampling_rate: 200000
Dirty_Background_Ratio: 5
Dirty_Ratio:15
Dirty_Writeback: 1500
Dirty_Expire: 600
JIT is NOT enabled
Advanced Tweaks2:
vfs_cache_pressure: 100
Banned Apps:
Launcher
Sense
I had Sprint apps banned but then unbanned them. I only got Sprint Nascar back.
Debug Profile:
Page-Cluster: 3
laptop_mode: 0
Dirty_Expire: 600
Dirty_Writeback: 1500
Dirty_Background: 5
Dirty_Ratio: 15
Up_Threshold:95
Sampling_Rate: 200000
lowmem: 3584,4096,6144,38400,38912,4860
Please, any explanation for why my battery drain has suddenly jumped up so much would be greatly appreciated!
did your battery suddenly start dying quick? mine will last all day ONLY if i leave it alone all day, no calls or anything. If I use it minimally i get about half a day and if I have heavy usage on it then I get about 4 hours or so.
Prior Battery Life
I was able to go about 17 hours off the charger once without holding back on my usage at all, and that wasn't a huge outlier. Seriously, I know I've been able to get at LEAST 12 hours out of it streaming Pandora for an hour plus lots of texting, twitter, facebook, web browsing, and even moderate GPS usage.
I think other battery threads would be more useful if they included Awake time more often, because obviously I am not having a problem with it not going to sleep (since I was actually using the thing almost the entire time I had it off the charger).
You may actually have a bad battery. Mine gets unplugged at 6am, has a 30 min charge at 8pm on my way home in the car, then plugged in at 11:30 or 12 with 40% left.
The only thing I have done is kill most of the widgets, use a static background and that is about it.
you might have a bad battery, or maybe it was just something for that time. if it keeps happening, go back to sprint and they'll probably give you another battery or even phone (assuming they have them in stock)
Battery Defect?
I tried the method that one user supposedly learned from HTC ( I can't post a link but it's titled "Official response from HTC RE: How to double battery Life (WORKS!) + 2nd Reply" ), and I'm not sure I've gotten the same battery life out of it since that happened. I just got it charged back up to 100% now, I'm going to try upgrading to Damage Control v3.2.2.1 and I'll throw it into the Power Save mode in the DConfig, then see how long it lasts.
Hi everyone.
I don't see anyone feeling bad about battery nowadays with new update. I dont see any improvement in mine :O
I need some informations from you, can you tell me voltage phone reaches when it turns off by itself? Its very strange when mine reaches around 40-50% voltage goes down very fast and it turns off around 3.2v...
Who's with good battery?
Tell me,
*phone time on battery
*display on time
*wifi time on
i feel like mine is not good i dont know the reason why.. my friend gets 7 hours of browsing(7hrs display on), and i get around 4... it cant last 5 hours with display on.
-- 30 % brightness, bravia off, sync off, auto rotation on --
I saw on internet some reviews 2 days of heavy use :O how?
I tried wiping batt. stats, and gonna try again after system creates batterystats.bin
i did it twice, but slight improvement...
regards
hope this isnt spam for you.
Hi
I have voted 8-9 hours for casual use at low display brightness 20-30%. Auto brightness is allways activated and using it in a fairly light room might increase your display brightness without you noticing this. Could this be the reason you are experiencing such high battery drain with display on?
Heavy gaming:
3D games like order and chaos and dungeon defender that utilize the Andreno consumes up to 30% per hour, that leaves 3 hours of use. Battery history show an allmost 50/50 between display power usage and the game process power usage. Buildin speaker also consumes allot of power.
FPSE that to my knowledge do not use the GPU but utilizes the CPU 100% consumes around 20% per hour leaving 4-5hours gaming.
Light gaming and casual use.
My daughters using drawing programs, playing angry birds or other light weight kids games plus some webbrowsing and email reading consumes about 12-15% per hour leaving 8-9 hours of use with dispaly on.
If you add speech calls on 3G your times will decrease significantly, this is consuming 20-30% of battery per hour depending on signal strengt. This is my personal observations.
Bravia is allways activated and I thought this was only used when watching movies or looking at pictures in the gallery?
It is interesting to read the SE support app installed and the SE recommendations to improve battery live. They mention that if your display is at max brightness it will not make any noticeable difference if you have bluetooth, wifi, data, sync etc turned on as the screen is consuming sooo much power at max they also recommend to use earphones instead of speaker to improve battery consumption. The rest of the recommendations are well known as to turn everything not needed off. The recommendation I like the most is a daily reboot to improve system performance
I like your review.. I got the same result with 3d gaming... 3 hours, but i never had 8-9 hours even with light usage.. Not playing 3d games..
Max. I get is 5 hours but i dont know how, i fell asleep on entry screen on asphalt 6...
Btw. Did u payed order n chaos i cant find cracked version.
3 hours phone on
40 mins display on
1 hour wifi..
Now on 85 %
Regards
Sent from my LT15i using xda premium
I began to suspect it's from the battery it self, I reversed to the old firmware .145 the battery was the same, never completes a whole day, 19 hours maximum.
I think its battery too... I bought mine with world generic, and flashed uk generic, its same for me... Has anyone thought that somewhere in system is set battery capacity is example 900, i have read it on this forum in x8... So how to investigate it, my battery dies always ~4 hours display... It went once 2 days, and display time of course 4 hours.
Sent from my LT15i using xda premium
shtreber said:
I like your review.. I got the same result with 3d gaming... 3 hours, but i never had 8-9 hours even with light usage.. Not playing 3d games..
Max. I get is 5 hours but i dont know how, i fell asleep on entry screen on asphalt 6...
Btw. Did u payed order n chaos i cant find cracked version.
3 hours phone on
40 mins display on
1 hour wifi..
Now on 85 %
Regards
Sent from my LT15i using xda premium
Click to expand...
Click to collapse
Haha, a nice way of testing it, keeping it running while sleeping :-D 5-6 hours is probably more normal than 8-9 hours, that was when my daughters was using it with a kids drawing program at low light settings, it was not consuming much cpu at no sound was used.
I have bought order and chaos but had shortly installed a cracked version as there were some problems with android marked at the time. I paid for the game but it would not start the download, contacted their support and found a cracked version while waiting for them to fix it ;-)
36 min phone on
36 min display on
Wifi on browsing xda on dolphin
Display dimmed with SE widget
2G coverage
8% battery used
Display consumed 76%
Dolphin consumed 13%
Wifi consumed 5%
[email protected],5Ghz
[email protected]
[email protected]
Running with smartass cpu governor and noop io schedule and Doomkernel v10
I got some interesting stuff... I deleted mine bat. Widget, using battery calibrator i can see percentage, 4.2 v full, 3.75 v 46 %, i played 10 min game, percentage fell down, and now i got 35 %, same voltage... Btw. Stock everything.
And calibrated my battery today... I ll post in few days if i got some improvement, but i dont think so...
And 13 min 300 mhz, but display on all the time? Weird.
29 % 3.72 v... Browsing only
20% 3.708 v... Still browsing
Sent from my LT15i using xda premium
shtreber said:
I got some interesting stuff... I deleted mine bat. Widget, using battery calibrator i can see percentage, 4.2 v full, 3.75 v 46 %, i played 10 min game, percentage fell down, and now i got 35 %, same voltage... Btw. Stock everything.
And calibrated my battery today... I ll post in few days if i got some improvement, but i dont think so...
And 13 min 300 mhz, but display on all the time? Weird.
29 % 3.72 v... Browsing only
20% 3.708 v... Still browsing
Sent from my LT15i using xda premium
Click to expand...
Click to collapse
The batterys voltage will drop allot from 100% to 90% and the voltage decrease will slow down as you are getting closer to 0%. I would guess 3,65 is close to 0%.
The battery % is not calculated from the voltage level but from an internal register in the battery chip that decreases with a value calculated by the battery chip from the exact amount of power used. The battery chip can measure precisly how much power is running to and from the battery.
The android calibration can change this register for example when the battery is getting close to a pre configured safe voltage level, could be 3,65v. It would then reset the register to 0 and the same goes when charging the phone.
If the register show you can have max 5000 units and you are charging the battery and reaches 95% and 4500 units while the voltage show 4,2 which is full, it would then update the register to have 4500 as max level and start to decrese this as power is draining from the battery. If you have 10% left and 450 in the register with voltage at 3,65 it will presume this to be empty and the register would be changed to 0 and battery indicator to 0%. The next charge to 100% should end up at 4150 which would match the exact capacity available for the phone.
The battery will over time slowly degenerate and its capacity will slowly decrease which is one of the reasons the calibration is needed to allways have it show correct battery levels.
The battery is actually not empty at 3,65 but draining it even further will drop the voltage and make the phone crash.
I hope my above explanation makes senses. Had earlier updated and compiled an android kernel battery driver for the old xperia x1 phone. I presume the mechanism for the battery driver in Xperia Arc is the same.
hygge said:
The batterys voltage will drop allot from 100% to 90% and the voltage decrease will slow down as you are getting closer to 0%. I would guess 3,65 is close to 0%.
The battery % is not calculated from the voltage level but from an internal register in the battery chip that decreases with a value calculated by the battery chip from the exact amount of power used. The battery chip can measure precisly how much power is running to and from the battery.
The android calibration can change this register for example when the battery is getting close to a pre configured safe voltage level, could be 3,65v. It would then reset the register to 0 and the same goes when charging the phone.
If the register show you can have max 5000 units and you are charging the battery and reaches 95% and 4950 units while the voltage show 4,2 which is full, it would then update the register to have 4950 as max level and start to decrese this as power is draining from the battery. If you have 10% left and 100 in the register with voltage at 3,65 it will presume this to be empty and the register would be changed to 0 and battery indicator to 0%. The next charge to 100% should end up at 4850 which would match the exact capacity available for the phone.
The battery will over time slowly degenerate and its capacity will slowly decrease which is one of the reasons the calibration is needed to allways have it show correct battery levels.
The battery is actually not empty at 3,65 but draining it even further will drop the voltage and make the phone crash.
I hope my above explanation makes senses. Had earlier updated and compiled an android kernel battery driver for the old xperia x1 phone. I presume the mechanism for the battery driver in Xperia Arc is the same.
Click to expand...
Click to collapse
more results,
3.65v at 15%
3.6 at 8%
and since it passed 8, it goes down to ~3.25v but mine doesnt crash. it nicely turns off. 5 hours 35 mins display(yay.. improvement.), wifi time i cant remember, but 9+ hours. 30% brightness,around 30 mins total gaming, something like angry birds. 30% brightness. and like 20 mins 3g internet.
shtreber said:
more results,
3.65v at 15%
3.6 at 8%
and since it passed 8, it goes down to ~3.25v but mine doesnt crash. it nicely turns off. 5 hours 35 mins display(yay.. improvement.), wifi time i cant remember, but 9+ hours. 30% brightness,around 30 mins total gaming, something like angry birds. 30% brightness. and like 20 mins 3g internet.
Click to expand...
Click to collapse
Interesting, the old xperia x1 could not handle levels below 3,65 6i
Hello everyone.
I currently own a Tab s 8.4 LTE version for exactly 40 days only. I began noticing battery being so weird last week so I will be direct and to the point as much as I can.
A week ago, I noticed that my battery isn't doing so well, I am just a med (sometimes heavy) tablet user ( I mainly chat, browse facebook, read articles, play some youtube videos and I play music as well) I had my battery charged to 100% before a car trip that lasted for around 4 hours, by the time I arrived to the destination, the battery was on 10% only.
Here is what I did on that trip:
1- Had Mobile network connected all the way (used it for chatting on whatsapp, facebook and reading some emails)
2- Listened to music for 45 mins.
3- Played 30 minutes of clash of clans.
When I arrived to my destination, I waited the tablet till it completely drain then I put it in charger ( I was astonished by the fact that when I instantly put the charger in, it read like 30% instead of 0 or 1%)
Anyway I charged it to 100% and went to test it by watching continuous non-stop 204 minutes of movie (Thats 3 hours 20 minutes) and I was happy that it only dropped from 100% to 67% with 50 percent brightness and (Wifi/Sync connected) then I played clash of clans, 15 mins of clash of clans dropped the battery from 67 to 53 so I was pretty much shocked (like 1 percent for every in-game minute!)
The third day I left it in standby mode to test if it drains unsually when it is idle, I left it for continuous 12 hours on 100% (Airplane mode on, no wifi, no sync) and it only dropped 3% in those 12 hours. I managed to acheive a 4h on screen and 1d 4h battery on time (Which made me pretty sure that the battery is not defective, may be just the reading is faulty)
I tested it today. Charged from ground zero up to 100% then I used it. My activity mainly was:
1- a lot of chatting (like 2 hours but not continuous) on whatsapp.
2- 45 mins of music and 15 mins on soundcloud.
3- 40 mins of Clash of Clans (drained my battery in a significant way)
4- Checking facebook notifications, gmail and browsing some websites on hourly timed intervals.
I managed only to get 5h screen on time and a total of 7h of battery on time. Screenshots in attachments.
More importantly, I used it from 100% till it drained to zero then I put it on charger, it automatically read 15%! (Happened to me before that it read 30% instead of zero or 1% then I drained it from 15% to zero again, put the charger and it read from zero%)
Please help me get answers for these 2 questions:
1- Do you think this battery is defective? I own this LTE tablet for only 1 month. Or do you think it only performs poor?
2- Does a game like Clash of Clans really drain it that fast? Like 1 percent charge for every minute or minute and half?
3- How long should it normally take to charge from zero up to 100%? Mine takes exactly 3 hours or 3 hours and less than 10 minutes. Is that okay? Or should it be longer?
Thank you
Can you go back this this thread and try what I said. http://forum.xda-developers.com/showthread.php?t=2809818. I dont want to copy and paste it again lol.
When you sleep, does your phone sleep, or does it stay up all night and crunch 1s and 0s? Rate this thread to express how you deem the speed at which the Sony Xperia XZ Premium's battery drains under standby conditions. A higher rating indicates that when the phone is not in use, the battery drains minimally.
Then, drop a comment if you have anything to add!
damn no reviews for this lol im just here letting you guys know that the standby battery is amazing went to sleep yesterday at 12am with 69% of battery woke up today at 7:30am with 67% damn my old lg v20 couldnt do that lol
It's quite bad here with standby drain as well. "Phone Idle" is always on top of the battery usage apps and it's probably a few percent an hour, depending on charge of course. >90% it's 1-2% an hour, but that increases when the charge level drops.
Stock .145 rom with storm//'s hack and have greenify running
Standby drain 0,2-0,4 %/h. locked BL, .145, Greenify.
phone idle coming top 3 with 6% took from 100% in about 4 hours! what could be causing that??
phone idle 4:11 hours
screen time 1:50 hours
36minutes of sniper 3d
7minutes playtube player while screen on (plus 20 minutes screen off)
I am on 57% just after 4 hours of use! while only 1:50 hours of them screen on!
phone idle for 4:11 hours took 6% which is a ratio of (1.5% per hour)
not good at all, what could be the problem??
I tried draining to 0 then charge to 100 on a straight charge while phone is off, phone is factory resetted, locked, not rooted, stock rom .119 oreo
what else can I do here?
madshark2009 said:
phone idle coming top 3 with 6% took from 100% in about 4 hours! what could be causing that??
phone idle 4:11 hours
screen time 1:50 hours
36minutes of sniper 3d
7minutes playtube player while screen on (plus 20 minutes screen off)
I am on 57% just after 4 hours of use! while only 1:50 hours of them screen on!
phone idle for 4:11 hours took 6% which is a ratio of (1.5% per hour)
not good at all, what could be the problem??
I tried draining to 0 then charge to 100 on a straight charge while phone is off, phone is factory resetted, locked, not rooted, stock rom .119 oreo
what else can I do here?
Click to expand...
Click to collapse
I don't know but I have the same issue for months... Usually 2,4-2,8% per hour (when screen off!!) and battery stats not showing anything relevant.
I have everything stock, and I am using Greenify since a ~week, now I have 1,5%-1,8% on standby (which is still a lot, but improved compared to the previous situation).
Is really bad because if I detach my phone at 7 in the morning, at 14 I am already at ~80% without doing nothing! That's also means that using it, specially a lot with maps or things like that, I am not able to go farest than 17-21 :crying:
alexs784 said:
I don't know but I have the same issue for months... Usually 2,4-2,8% per hour (when screen off!!) and battery stats not showing anything relevant.
I have everything stock, and I am using Greenify since a ~week, now I have 1,5%-1,8% on standby (which is still a lot, but improved compared to the previous situation).
Is really bad because if I detach my phone at 7 in the morning, at 14 I am already at ~80% without doing nothing! That's also means that using it, specially a lot with maps or things like that, I am not able to go farest than 17-21 :crying:
Click to expand...
Click to collapse
i noticed that factory reset didnt work for me, neither does software repair
so what I did was, flashed .179 firmware, fresh flashing, wiped every thing!
battery life was almost still the same, it got a lil better.
BUT, I am now using stamina mode any time I dont use the phone much, in my pocket, or even if im slightly using it (whatsapp, instagram etc...), I only turn it off when im gaming or watching some thing which is getting me to lose 1% every 4-6 minutes when using the device, and not losing anything when the device is off (as I activate the stamina mode) this should get me around 6:30-8:00 hours of screen time!
also I noticed I had viberation on navigation buttons, I also had face detection unlock and "ok google" unlock, and google feed and a lot of widgets and a live wallpaper, and avg running in the background.
so I disabled all of these useless features as I really dont use any of them (maybe rarely) and i can feel a slight improvement. (still slight improvement over slight improvement makes a noticeably improvement)
so now I unplugged my device at 17:00 at 90% more or less and now its 22:07 and i still got 56% so in about 5 hours I lost 34% while 2:14 hours, screen was on so its very impressive!
I can get to 6:45 hours of screen use which is very very good! im still testing though.
Nah i know its too late to write this but,.
For you all who have a problem draining battery even at sleep try Greenify Donation Package + Powernap xposed module
Even now my xzp still have sot around 6 hours with 15% battery left. With everything enabled like x-reality, auto brightness, mobile data.
Btw i'm using existenz v10 cusrom + DT2W Kernel