[Q] why does my SM-T215 battery draining superfast - Galaxy Tab 3 Q&A, Help & Troubleshooting

hi all, my phone battery is draining superfast and i'm not sure what is the cause of it.
after kitkat was released for SM-t215, i had it rooted. here are the lists of current problems faced.
- battery draining superfast when i'm playing games. it would reach 15% within 10-13 mins time.
- it'll charge superfast too. from 15% to full 100% in 1 hour time.
- my phone will suddenly off on its own when im using it.
- battery will show charging with a red slash on indicator even when cable is not plugged in.
i have installed CM junk cleaner to boost the speed of my games. is this the cause of it, or is it because of root, or is my battery life has shortened?
i need helps, opinions and answers if any.
thank you

Related

[Q] Froyo - can't fully charge my battery

Since I've updated to froyo I can't fully charge my battery. Since I'm charging it over night, on the mornings I get random percentages, but always not 100% - sometimes 91%, 94%, 95%, etc. I saw other posts with such behavior, but I did not find the reason for this.
I've tried full discharge, as much as it is possible since on below 5-6% the phone automatically shuts down. I've tried on the morning unplug it, then plug it again after 5-10 minutes, but no gain.
PS. just to note that the battery life is a lot better with Froyo. Part of it is maybe because I do not have so much battery sucking apps like before, but still.

Battery Meter or Voltage Meter problem?

My G2 gets ghastly battery life. I've tried Juice Defender and I've recalibrated more times than I can remember. Most notifications are turned off and I'm conservative about powering off the various radios when I'm not using them. It wasn't always like that. I felt like I was getting most of a full day on one charge and loving it for many months, but something happened last summer I think. Maybe dust or moisture affected the phone. I've got a total of six batteries and three external battery chargers. No battery whether it's the OEM original, 1500mah spares that were amazing before, or the new 1800mah evo shift 4g batteries I tried out, will last more than about four hours from full charge to the 15% warning sound.
I've tried only charging in the phone. I've tried rotating batteries charged in the external chargers. Like I said, I've tried calibration scenarios of various kinds.
Last night, I took a fully charged 1800mah battery and put it in my phone and then charged the battery in the phone. The orange led never turns green when the phone is off. When the phone is on, I can just barely get the led to turn green at about 91% (starting from what should be a full charge that is reported as 80% by the phone). This takes a good 10 hours of charging. As soon as I woke the phone this morning, the battery meter started dropping while the phone was still plugged in. After unplugging, the meter drops to 80% in a matter of a few minutes.
Like I said, I tried juice defender. It only helps a little but the cost is waiting for the data radio to reconnect every time I wake the phone. I thought BT was the culprit for a while, but now it really doesn't matter if I leave it on or turn it off.
At the other end of the charge, the phone can run for several hours when the battery is supposedly between 1 and 3%. I know we are told to start charging again at 15% but my phone drops to that level in 3-4 hours of regular use. I haven't seen the phone report 100% charge on any battery in six months time, but it runs and runs at 1%. This is what bugs me. Is the phone just mis-reading how many milivolts are coming out of the battery? Why can't I complete the first step of calibration (charge overnight to the 100% mark)? Is there a hardware component that can be causing this or should it be entirely fixable in software?
Thanks for any ideas or tips
Did you wipe battery stats?
Sent from your phone
waxinpoetic said:
Did you wipe battery stats?
Sent from your phone
Click to expand...
Click to collapse
Yes I have many times but thanks for the suggestion.
Figured so.. Too bad, would have been too easy. I'm starting to see some batttery drain on my desire z now too. Im wondering if mine is a radio issue.
Sent from your phone
waxinpoetic said:
Figured so.. Too bad, would have been too easy. I'm starting to see some batttery drain on my desire z now too. Im wondering if mine is a radio issue.
Sent from your phone
Click to expand...
Click to collapse
I changed radios and did RIL matching last fall based on other's comments about better battery life, 4G and GPS. While I've had faster GPS locks and maybe better 4G performance, my battery life did not improve. It may have even gotten worse.
Today I'm trying out some different CPU governor settings. The CM 7.2 RC1 default is 'interactive' and I wouldn't normally touch those settings. I think the powersave governor helped a lot, but the phone became almost unresponsive. Trying 'conservative' now. I should have read This long ago, but just got around to it today. I might invest in the SetCPU app as well.
OK, I can count on a good six hours of normal use if setCPU is holding down the max cpu frequency at night or when the screen is off. I'm still tweaking. Today, the phone crashed while playing music over A2DP and tracking a run with runkeeper. I think it needs to tick faster than 368Mhz when the screen is off.
Are you seeing improvement? I changed radios and like you havent seen much improvement. But I am a little better off than you are. My battery drain is terrible (1-3%per minute) only when connected to the internet (4g or wifi) or using navigation. If the screen is off, or if Im using non-internet apps I seem to get regular battery use. Good luck with your cpu settings.. I have ordered a new battery, but I doubt it will solve my issue. I may try tweaking my settings too soon, but Id better research more.
Just wondering do you have SuperCharger V6 installed? On my Desire Z I had some serious battery problems just as you mentioned. After I would flash my ROM (wiping the caches + reinstalling) my battery life would return to normal. But whenever I would flash SuperCharger v6 my battery life would spiral out of control. My suggestion for a ROM that handles battery life fairly well is Andromadus Audacity B2, just make sure you download and flash GAPPs (google apps). For example running that rom I have been getting very good battery life, approx. 16-20 hours of battery life with moderate use) with default CPU settings and data always turned on. I'm sure if you use Juice Defender to control your data you'll get above average battery life.
Note: Andromadus is an ICS (android 4.0) ROM
Qwerty_Uieo said:
Just wondering do you have SuperCharger V6 installed? On my Desire Z I had some serious battery problems just as you mentioned. After I would flash my ROM (wiping the caches + reinstalling) my battery life would return to normal. But whenever I would flash SuperCharger v6 my battery life would spiral out of control. My suggestion for a ROM that handles battery life fairly well is Andromadus Audacity B2, just make sure you download and flash GAPPs (google apps). For example running that rom I have been getting very good battery life, approx. 16-20 hours of battery life with moderate use) with default CPU settings and data always turned on. I'm sure if you use Juice Defender to control your data you'll get above average battery life.
Note: Andromadus is an ICS (android 4.0) ROM
Click to expand...
Click to collapse
Thanks (and thanked) Ive been waiting till ICS roms are bug free and having working cameras, but I think I may just jump on it now. My battery issues are untenable at the moment on a CM7 based rom. Thanks for the advice.
I was seeing some improvement due to SetCPU profiles. However, now if I have GPS and Bluetooth on so that I can listen to music and track my run in runkeeper, the phone seems to 'crash' after about 35 minutes or so. The battery meter shows that the battery takes a nose dive and I think the phone shuts down at 1%. If I restart the phone, it might say I have 30 or 40% charge left but then it drops rapidly again. It seems like it hates the warmth of my pocket. If I let the phone out in the cool air like on my desk, I can reboot at get back to 60 or 70% even though it was just saying 3%. I'm not running SuperCharger.
I'm trying to find cheap G2s for parts on ebay now. Maybe I can at least test out my six batteries in a different phone to see if any of them are shot. They all seem to have the same problems in my phone.
This will be my final update. I bought a used G2 off ebay. The same batteries I used before now show as fully charged when I expect them to be fully charged. I will be getting a feel for general battery life over the next few days, but I expect battery life to be roughly the same. I just won't have to guess at what the current battery level really is.
I'm seeing now that the new phone will show a 60% charge when the old phone shows 15% for the same battery at about the same time.
The new phone shows 100% when topped off but if I put the topped off battery in my old phone, I see 75-80% charge.
I may try sending the old phone to HTC depending on what they offer for repair services.
revwillie said:
I bought a used G2 off ebay. ... the new phone will show a 60% charge when the old phone shows 15% for the same battery at about the same time
Click to expand...
Click to collapse
I think what's happened to your old phone (and mine!) is that the onboard voltmeter chip is reading low. I've compared the on-board mV reading to a multimeter-measured battery voltage and what the phone reads as 3.9V the multimeter gets 4.2V (a fully charged Li-Ion battery).
Who knows what's behind it, but it seems like a hardware problem to me.

[Q] Battery percentage/Charging Issues

Guys I need your advise very badly regarding battery..I am using latest insertion ROM by siulmagic, whenever I am using my phone for surfing, using wi-fi, or watching videos, while charging, my battery percentage keeps decreasing, very slowly though, also if I put it on charge at 12 Am and when I see at morning at 8Am, it still indicating red led as it's charging, I thought my battery would be faulty, so I got new one, and charged it fully, it took 6 hours, when I turned on my mobile, it started with 99%, then decreased at 1% per minute, I don't even have sim in it, and network.is set to aeroplane mode, I replaced it again, and newer one is still the same..I have also flashed glite ROM, which is best in battery life, but with no help, to check the charger issue, I use stock g2 charger in my sensation, and it charged normally, please advise me..what's your opinion why my battery problems suddenly started? that it can't even charge whole night, previously when I don't have sensation, I used it for surfing, gaming, movies, and while charging, now when I turn on wi-fi or watch movies while charging, it decreases, and when leave it charging without using it..the percentage increases very very slowly especially between 90% to 100% it takes hours...
- try to reset battery stats... u can try battery calibration... only if u have root your phone...
- try to check which apps consume high battery...

[Q] Cell Standby Power Drain Issue

Hello
I have new Samsung Galaxy S4 I9195, and everything will be ok, if the battery life will live more then a day. First few days the battery life was around 2days. Yesterday i plug off from charger (i only charge when it drop abut 15-10% to 100%). I go sleep with about 70% battery, and in the morrning what was my suprise when the battery was below 45%. What the **** i mean.
And i looking for the suff about the cell standy and i dont know what to do.
I find something like that:
http://forum.xda-developers.com/showthread.php?t=1763683
http://forum.xda-developers.com/showthread.php?t=1732722
I use only 2G and in home i have always wifi turn on. As you can see in 15min phone eat 2% from battery when i write this post.
Phone is 90% time in one place where signal power is-73dBm 20asu
Whats the problem ?
I find this normal, 15 min - 2% (depends on what you are doing) i suggest you to turn your phone off when you are sleeping.
if i use chrome for like 5 min it drains 1/2 %
candy crush 10 mins drops 3/4 %
i have 17/18 applications so, it also depends on how many apps you have.
more apps is more battery use
so dont worry
Edit)
and 2% drain for posting this?
your lucky bro, my phone will drain probably 3/4 % (not sure)
@lgorek, to have some hints, read all this thread :
​http://forum.xda-developers.com/showthread.php?t=2380723&highlight=drain
It could be a bug in the stock ROM. arco68 seems to have fixed it in his custom stock kernel :
​http://forum.xda-developers.com/showthread.php?t=2364980
stepan12
For 99% there is problem for now i test it and search of the bug.
I notice that when i restart phone when is charging or after charge the battery life is at normal drop, BUT when battery drop to 10% i plug the charger and it reach 100%. Something is not working fine becouse the cell standaby power drain more battery.
I give more info in few day i will have more photos and you can see it.
dsavard i will check it, but first i test like i write up.

whats your battery life like?

I got stock os with all the fancy stuff disabled.
My battery charges 1% per minute when between (0-85%) after that charging slows down.
It doesnt however fully charge it usually wont go higher than 97%.
Battery drains 1%/h in standby
5%\h listening to offline-music
Today I had 6h 5 min with 3:54 on-screen time ( starting from 93% down to 2%.
About the same for me but I can do a full charge in 45min coming from about 9%
About the same, recent CM builds are better. I'm considering the Nexus ROM
Sent from my Fire Phone using Tapatalk
At first i thought the battery life was ok, then i switched to the nexus rom for a while and came back to stuck because i wanted my camera back. There is a huge difference in battery life as far as I'm concerned. Stuck OS burns way more battery when idle but then again it has a lot more bloat :/ so it's to be expected
I get awesome battery life. On rooted stock with third party launcher with various tweaks. Way better than my desire or Moto g or Moto x or nexus 4 ever were.
Agreed, all other roms besides stock get awesome battery life. I've disabled or uninstalled as many apps as possible and the battery still drains unacceptably fast at idle. If we could get a stock rom modified to get the battery life of a custom rom that would make this phone perfect for me.
riour said:
I got stock os with all the fancy stuff disabled.
My battery charges 1% per minute when between (0-85%) after that charging slows down.
It doesnt however fully charge it usually wont go higher than 97%.
Battery drains 1%/h in standby
5%\h listening to offline-music
Today I had 6h 5 min with 3:54 on-screen time ( starting from 93% down to 2%.
Click to expand...
Click to collapse
I consider the battery in mine to be working very well and use ~33.3% every two hours with the screen at full brightness and constant touching for reading. So looks like its about the same.
Standby is ~50% used in 48 hours with wifi on and background apps using the internet.
That's based on the apps I use and whatever they're doing in the background to wake the cpu, use wifi, etc.
Stock rom with the 'fancy stuff' disabled as well.

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