For questions related to batteries on Android devices. Questions about battery life should be tagged with [battery-life]

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309 views

com.avast.android.mobilesecurity still using 30% of battery power even after I uninstalled the app?

On my Samsung Galaxy s5 I found out that avast was draining my battery, so I uninstalled it. Even after rebooting, by battery usage still shows something called com.avast.android.mobilesecurity (with ...
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1answer
94 views

SD Maid on Rooted Roger's Galaxy S3 hanging on “System Cleanup” and “Duplicate”

My phone is a rooted Canadian Samsung Galaxy S3 (SGH-I747M) running stock 4.4.2. I've had SD Maid installed for a very long time and it's worked great up until now. I've never had any issues with it. ...
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0answers
109 views

Nexus 4 red light appears when trying reboot (power button + vol)

Yesterday my phone fell out my bed, I picked it up and trying to turn on and nothing. I start charging my Nexus 4 and nothing appeared (battery signal). I pushed the power button and the screen turns ...
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1answer
141 views

Karbonn Titanium S1 suddenly switches off

My Karbonn Titanium S1 smartphone switches off when I open the gallery, play any game, listen to music or do anything with the phone without connecting the charger. The screen starts to shrink and the ...
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0answers
114 views

Configure android phone to start charge only after discharging 70% or below

I have an application where my phone needs to be in continuous charging mode. I understand most smart phones would have a mechanism that cuts off charging after the phone has been charged to 100% and ...
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1answer
190 views

How can an NFC battery's NFC functionality be used on Android devices? [duplicate]

My Samsung Galaxy SIII comes with a battery with an Near Field Communications (NFC) label on it. Several earlier Android modles don't come with such a label on the battery. I would like to know what ...
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1answer
97 views

How to use an external sd card and recharge the battery at the same time

I'm an happy owner of the tablet nexus 10. It is very good. Some time ago I've bought the leef connector because I want to use an external sd card : as you can see from the picture,there is a ...
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0answers
47 views

Alarm not triggered when battery low (but also when battery full)

I've noticed that on my Android 4.3 Samsung Galaxy SIII, as well as on previous devices, the alarm is not triggered when the battery is low, and any applications that depend on this will thus not be ...
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2answers
88 views

My android system and android os are consuming more part of my battery

this problem has been troublimg me from the last few weeks I reported this problem at the Flipkart service center and they changed my battery and software.I even tried a factory reset but to no avail. ...
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1answer
224 views

Galaxy S5 Battery Drain

Galaxy S5 (unrooted) My battery drain isn't dreadful yet, but it isn't getting better. I can't narrow down what is causing it. I have tried keeping my sync turned off, keeping google location ...
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0answers
33 views

New Here and would appreciate any advice. Battery issue with galaxy s5

so I'm new to the forum and wanted to see if anyone could help me solve a battery issue I just started having with my galaxy S5. I recently purchased a Gear 2 and downloaded gear manager and it seems ...
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0answers
76 views

Nexus 4 unresponsive and blinking red light when battery at 80%

Tonight, for the second time this week, my Nexus 4 shut down by itself and was unresponsive when I tried to power it up. I had no luck holding the power button. Then I tried plugging it in the ...
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0answers
64 views

Is maximum capacity of a battery in mAh a increasable value? - received fake battery

I think its not. I just bought an extended 3890 mAh battery for my Galaxy S4 GT I9500. The original Samsung battery is 2600 mAh. This is my second purchase from a different seller, after discovering ...
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1answer
416 views

edit : battery drain *MYSTERY*

UPDATE 06/02/2015 i have a Galaxy Grand Duos and i constantly faced battery drain issues. after MANY ideas to what the problem could be, (even by samsung service), i decided to root the phone and ...
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1answer
26 views

can I replace my tablet battery with a phonoe one

I have a tablet with 3.7v li-ion battery which lasts few minutes on ... and an old phone with the same type and voltage battery can I replace tablet battery with this one? and how?
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1answer
43 views

Is it appropriate to heat the device using CPU when it's cold?

If I want the device to heat up for some reason (to warm my hands, to keep the display responsive below 0 centigrades, to avoid battery frost damage), is it appropriate to load all cores of CPU and ...
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3answers
703 views

android app to shutdown below certain battery level

Does anybody know of an app or how to programmatically make my phone turn off when the battery level is below 50%? At the moment it does this when the battery level (or voltage) is critically low, ...
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0answers
235 views

Asus ME302C tablet charging problem

This is in continuation to my earlier question (Asus ME302C tablet charging forever and doesn't start). Somehow my account is messed up so posting new question. My ASUS ME302C tablet stopped ...
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0answers
68 views

New Galaxy S5 , Youtube is draining battery by 10 - 15%?

I recently got my S5 and when I look in the battery settings I see that youtube is draining a lot of my battery. I couldnt greenify it and I don't know what to do. Sometimes it goes up to 22%
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3answers
121 views

is there a reliable source of charging current?

I am testing several chargers and cables to find the optimal combinations for a fast charge. I was so far using CurrentWidget and was getting just a few values, (independently of how much the battery ...
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0answers
174 views

Galaxy S Duos is not charging properly

My Galaxy S Duos doesn't display a charging sign when I plug it in, even though it is charging fine. Secondly, when I use it while plugged in it charges very slowly. A 1% increase takes 4-5 minutes. ...
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1answer
627 views

HTC One M8 Charging Issues

I just wanted to check if my HTC One M8 is working fine, I just got it and it's brand new but the battery runs out in 4 hours of non stop use and mobile data usage and when I charge it, it charges at ...
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0answers
96 views

How do I set battery charge min-max range to make it degrade with time less?

As far as I know, LiIon batteries should be kept in about 40%-80% range in order to degrade more slowly. On my laptop I use the following commands to make it change battery conditionally, only when ...
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1answer
929 views

Screen flickering galaxy s3

I noticed that my galaxy s3 sometimes show flickering on display when I am for example closing apps. I disabled HW overlays but it didn't help. I read that it can cause battery. My battery is fairly ...
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1answer
90 views

Battery warning (?) No words, just an image:

Yesterday, I connected my Huawei u 9805 smartphone to a reliable USB charger when it was at 11, 12, or 13 % (I don't remember, but I have occasionally waited much longer - it warns at about 7 %, I ...
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1answer
113 views

Samsung Galaxy S2 new battery dying too quickly

I'm trying to figure out if the new battery is faulty or if there could be something else causing the battery to charge the whole night and then die after half a day. If I take out the charger while ...
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2answers
2k views

Asus ME302C tablet charging forever and doesn't start

My Asus ME302C tablet was giving charging problem lately and is completely dead now and not starting up. Around 5 days back, its charging got stuck at 55% and it never went ahead even after charging ...
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1answer
3k views

How to calibrate a new Nexus 5 battery that's higher capacity than original?

Just got a KBTEL battery that's 3800 mAh compared to the original 2300 mAh nexus battery. I charged it dead overnight, and now its been running for more than 7 hours and the capacity shows below 5% ...
2
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1answer
489 views

Why do “android system” and “androd os” take 30% battery

in the battery stats "android os" takes 16%, "android system" takes 14%. How can i know why?
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0answers
30 views

How can I monitor Android device's battery status through LAN or the web?

I would like to know if there is a way to monitor the battery status of different Android devices across a LAN network. Ideally it would be a web browser interface that shows the battery level of each ...
0
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1answer
113 views

Battery draining within seconds

I have a Samsung Galaxy S II GT-I9105. My problem is battery draining. It works normally after I charge it to full, but as soon as the battery percentage hits 30%, draining accelerates and will go to ...
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1answer
606 views

Motorola moto 4g, battery drain, always high media server actitivity

I recently bought a motorola moto 4g, and I quickly noticed that the battery is going low very fast! With no use at all, it's going down 15% percent per hour... The mediaserver is always taking up ...
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1answer
42 views

Is it safe to use an LG charger on a Moto X? [duplicate]

I have a 2014 Moto X, and a Nexus 4. Is it safe to charge my Moto X using my Nexus 4 charger?
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1answer
50 views

Battery Draining Faster than expected

Can someone help me take a look at my stats? I was wondering why my phone is draining faster than I thought it would. As you can see, it's down 98% and Screen is on for just 7M in 23minutes time. ...
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1answer
401 views

YouTube app holds a long wakelock. What app settings can I change to keep it from doing this?

I am using an HTC Evo 4g with Android 2.3.5 Gingerbread. I'm trying to deal with apps which keep my phone from entering sleep mode, and the YouTube app is a major offender. With downloaded apps, ...
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0answers
128 views

Bizarre New Battery Behavior in GT-I9300

After my old battery puffed up, it was time to buy a new one for my Galaxy S3 GT-I9300. After I got my new battery, I put it in and turned on the phone as I had some urgent messages to check. I was ...
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1answer
90 views

Power android phone with portable battery charger and internal battery removed

Is it possible to power an android phone (e.g. Samsung Galaxy S II) with its internal battery removed, using a portable battery charger? This question is about phone with internal battery that is ...
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0answers
18 views

Will debugging damage my battery? [duplicate]

I work as a Android developer and I use my own phone for debugging as well as some other devices. Keeping the phone connected with USB will automatically charge my phone but will my battery be damaged ...
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1answer
7k views

How to save battery on Moto G 2nd generation without installing third party apps?

How do I save battery life on my Moto G 2nd generation phone without installing third party apps ?
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0answers
137 views

Android Lollipop update on Nexus 4

Ever since I have upgraded to Android lollipop, I'm facing the following issues: Location services not working/updating Alarms not working Texts not getting delivered/getting sent 3-4 times Phone ...
0
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1answer
71 views

Why does my battery show more charge before restarting than after?

My battery shows that it's at 50% and after restarting my phone it shows 30%. Another time it was at 40% and after the restart it became 5%. The device is a Samsung Galaxy Grand Neo, not rooted and ...
0
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1answer
85 views

How to recalibrate the OS for an external battery?

I recently bought an external non-standard 7000 mAh battery for my Samsung Galaxy S3 but the phone doesn't seem to recognize it. Is it possible that the phone needs to be reconfigured or recalibrated ...
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0answers
373 views

“Removed User” Draining Battery Nexus 5, 5.0

The other night I noticed my Nexus 5 had changed the wallpaper and that all my settings and desktop items were different. I had no idea what was going on, so I went into settings and discovered I was ...
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1answer
116 views

Charging issues for Samsung Galaxy S2

Just wanted to see if anyone knows what is going on with my Samsung Galaxy S2. The problem is that when I fully charge the phone normally at night I have sometimes turned the phone off after it is ...
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1answer
1k views

Can I turn off all “Notification” of all apps, services in Android phone?

I found tips to improve battery in this link: http://www.gottabemobile.com/2012/10/30/hurricane-sandy-crisis-map-puts-shelters-storm-info-alerts-power-outages-on-mobile/ In this link - author said we ...
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2answers
108 views

Apps continue to use battery despite closing them

I have noticed that certain apps continue to show up in the Settings-->Battery menu (which shows the % of battery used by each app) long after closing them. Here are the list of things I have ...
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1answer
143 views

LG-P990 (optimus 2x) with CyanogenMod 7 turns off suddenly and battery indicator goes straight from 100% to 0%

I installed CM7 on my LG P990 five months ago and it worked well. Yesterday, I was watching a video on YouTube and my phone turned off suddenly. It didn't want to turn on, and then my battery dropped ...
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1answer
1k views

LG Won't Charge

My LG was at 1% battery yesterday so I let it charge for an hour or so but when I came back I noticed that it wouldn't even turn on without turning right back off. It would only turn on to show a "0% ...
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1answer
8k views

battery draining problem in samsung galaxy note 2

I've replaced my damaged battery with a new one in my samsung galaxy note 2, but it drains too quickly. After fully charging the battery, when I leave the phone without using it (the screen is ...
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2answers
46 views

My data is wiped out after a battery service

I hit my Nexus 7 with Android 4.2 on it, into a glass bottle. Somehow, internally the battery got disconnected so it didn't turn on. It was only flickering a black screen when attached to a power ...