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

learn more… | top users | synonyms (1)

0
votes
0answers
24 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 ...
0
votes
0answers
18 views

battery drain in airplane mode

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 flash custom ROM. ...
0
votes
1answer
14 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?
-1
votes
0answers
16 views

Optimizing for battery life in China [google blocked]

Google is blocked in China. Almost all Google servers are unreachable without a VPN. I find that this causes the battery to drain quickly on Android devices with a Google account, as Google services ...
0
votes
1answer
24 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 ...
1
vote
2answers
49 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, ...
0
votes
0answers
42 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 ...
1
vote
0answers
31 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%
4
votes
1answer
45 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 ...
1
vote
0answers
24 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. ...
1
vote
1answer
33 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 ...
1
vote
0answers
30 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 ...
1
vote
1answer
65 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 ...
0
votes
1answer
27 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 ...
0
votes
1answer
55 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 ...
0
votes
2answers
128 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 ...
0
votes
1answer
197 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
votes
1answer
85 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?
1
vote
0answers
14 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
votes
0answers
37 views

Battery Draining within seconds

I am using Samsung Galaxy S II GT-I9105. My problem is battery draining. It works normally after i charge it full, but as soon as the battery percentage hits 30%, draining accelerates and will go to ...
0
votes
1answer
121 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 ...
0
votes
1answer
22 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?
0
votes
1answer
27 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. ...
0
votes
1answer
69 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, ...
0
votes
0answers
44 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 ...
0
votes
1answer
24 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 ...
1
vote
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 ...
0
votes
1answer
418 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 ?
0
votes
0answers
108 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
votes
0answers
24 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
votes
0answers
32 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 ...
0
votes
0answers
235 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 ...
0
votes
1answer
45 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 ...
1
vote
1answer
151 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 ...
1
vote
2answers
90 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 ...
0
votes
1answer
79 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 ...
0
votes
1answer
75 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% ...
0
votes
1answer
1k 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 ...
0
votes
2answers
31 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 ...
2
votes
1answer
122 views

Where is the battery animation called when charger connected to phone (OFF)?

I have Moto E (Rooted) which turn on when connected with USB via Laptop but not when connected to Wall charger instead it shows Battery animation. I got to know that battery animation is at ...
1
vote
0answers
38 views

Battery charging however phone not turning on

A while ago I dropped my samsung galaxy s in a puddle, the phone came apart (the battery & back cover came off). I quickly wiped the parts and put them in my pocket (without turning it on), when i ...
0
votes
0answers
55 views

Refurbished Droid RAZR MAXX issues

I have had a droid RAZR MAXX for about a year now, and I recently had to get a refurbished one which is giving me a lot of issues, but I cannot return on warranty. Problems include: Fully Charged ...
0
votes
0answers
53 views

Call is not logged if phone dies before answering

If my phone battery is almost dead and I get a call the phone just shuts down after a second or two (due to battery depletion). After I give it some juice and turn it on I don't see the caller in my ...
0
votes
1answer
37 views

Remote Battery management service while SureFox Kiosk is running

I am running PAW Server and SureFox (a kiosk browser) to run some webpages. However, I am experiencing significant battery drainage, and I would like to track battery usage by services as the programs ...
0
votes
1answer
353 views

Can a Custom ROM affect the performance of my battery?

My Device is Samsung Galaxy S4 I9500. A week ago, I flashed a custom ROM on my Device, now my phone's battery drains out even if the phone is on stand by. Previously, it degraded but not so ...
0
votes
0answers
27 views

same phones different vendor change in power usage

My wife and I both have Galaxy S5 phones. Mine is ATT and her's is by Verizon. Both were purchased as unlocked phones, both have performed very well. Up until about a month ago both of us had really ...
0
votes
0answers
80 views

Samsung galaxy 3S, battery is good, phone won't charge or power up

I have a samsung galaxy 3S, about a week ago it rebooted itself, since then it will won't charge or turn back on, I have tested the battery to see if it was that, the battery works perfect, I have ...
0
votes
0answers
34 views

ServiceProvider eating my battery after SIM unlocking

I had my Samsung Galaxy S3 SIM unlocked last week. It runs a rooted Android 4.1.2. Since then, I've noticed that ServiceProvider is consuming much more battery that I have ever noticed before. Can ...
0
votes
0answers
144 views

Samsung Galaxy Tab 4

I opened chrome and it shoots a notification that if I don't stayed in the page that it was opened, my battery's gonna die. The page was "top3androidapps.com". HELP. I don't know if it's a virus, i ...
1
vote
0answers
153 views

How can I troubleshoot what is causing 'Android OS' to eat up lots of battery?

Are there steps I can take to rule things out eventually leading to a root cause? I am currently using the latest Dirty Unicorn ROM on a Nexus 5. For the same of argument, consider the case where ...