Questions about Battery life (how long each charge last) or/and Battery Durability (how long until it needs to be replaced) should use this tag.

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2
votes
1answer
18 views

Why don't the percentages on the battery chart add up to anywhere near 100%?

I'm trying to figure out what's using my battery life by looking at the battery page in Settings. (I don't know if this screen is Cyanogen specific, or a stock Android feature.) Here's a recent ...
0
votes
1answer
26 views

Android showing battery at 100% even when left for straight 10 hours in night

Just started using an Android phone and left it overnight to see how long it would last. After about 10 hours the battery is still at 100%, so could there be some kind of delay when it comes to the ...
1
vote
2answers
714 views

Displaying Bluetooth gadget's battery status on the phone

I have a Bluetooth headset (BlueBuds X) which uses a battery. I want to know its battery status directly from the phone. I've looked everywhere and I cannot find a solution that isn't a scam. Is it ...
0
votes
0answers
1k views

Battery draining faster after recharging on Galaxy S4 Mini

I'm struggling with my Samsung Galaxy S4 Mini. Actually the battery is very good and since I don't use my phone a lot, it lasts pretty much 2 days when I let it die and full recharge it. The issue ...
0
votes
1answer
7k 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
0answers
20 views

2014 moto x battery life

I'm experiencing an issue with my 2014 Moto X's battery running Android 5.1 and I was wondering if someone have any suggestions or something ... for example, yesterday I had about 30% left of my ...
0
votes
0answers
68 views

How to permanently disable mediaserver service?

I am trying to permanently disable the notorious power hogging mediascanserver or mediaserver (whatever it's better known) service on a rooted Jiayu S3. Here are my ADB commands: su pm disable ...
17
votes
1answer
7k views

How does Android obtain battery temperature?

I am curious about the way Android phones obtain the battery temperature. Android has an API called BatteryManager which provides the value of instant battery temperature, but is there an actual ...
0
votes
0answers
214 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 ...
0
votes
0answers
10 views

Droid overheats frequently following large files upload

I have a Droid with no SD-slot, a non-replaceable battery, and not that much on board memory (16GB of memory but less of that is usable) which means that memory clearing has to be done frequently and ...
0
votes
0answers
12 views

Do all apps close when I delete my recent apps history? [duplicate]

I searched for this on Google several times, and I couldn't find any answer on stackexchange, so here i go. I have a brand new Nexus 6, with Lollipop of course. But I never really get the recent apps ...
1
vote
0answers
97 views

Why does the Kernel and Android System/Android OS drain my battery?

3 hours since unplugging my phone, and at light usage it's at 61%. It is the kind of problem I've had with my previous phone, and I have with my current phone, often starting a few months in and ...
0
votes
2answers
2k views

Why is Youtube draining the battery and what could we do?

A friend of mine just asked me a nice question: His (stock) Samsung Galaxy S4's Youtube is draining his battery. He said, that he hasn't been in the app today, and this morning he had the phone ...
1
vote
1answer
2k views

Battery backup is not good after the CM12 update on Micromax Yureka

After updating to Lollipop CM12, my Yu Yureka is not giving not even 7 hours backup in balance mode. On KitKat CM11, it was giving 1.5 days backup in balance mode. Is there a way to increase the ...
1
vote
1answer
1k views

Notification led's generic consumption?

Okay I know that all phones got different hardware, and that leads uses just a little power. But. What if I set my led notifcation speed to high (like the light will pulse faster)? How much would ...
1
vote
2answers
1k views

Battery life indicator has failed

A week or two ago my battery life indicator for my Motorolla Atrix 4G has ceased to working properly. The indicator indicates the battery drains ridiculous fast and it's inaccurate. I'll fully ...
6
votes
3answers
8k views

msm_otg kernel wakelock preventing deep sleep

Ever since upgrading my stock Sprint Galaxy S3 to the official Jelly Bean release, my phone won't go in deep sleep at all, it's constantly at 384MHz. It's because of msm_otg kernel wakelock. Anyone ...
2
votes
3answers
2k views

How long device has been running since last charge?

In Android Lollipop, how do I see how long it has been since the last time I charged the battery? I mean I can get the approximate time by eye-balling the graph shown in Settings -> Battery. But, is ...
208
votes
6answers
52k views

Does constant charging harm my Android cellphone?

I usually disconnect my cellphone from the charger some time after it's fully charged because I'm afraid the battery could lose capacity over time if I don't. However, I believe modern electronics ...
0
votes
2answers
2k views

Xperia Z2 (Kikat 4.4.4) - STAMINA mode does not work?

STAMINA mode does not work on my Xperia Z2 - Kikat 4.4.4 (latest version) I found a discussion in this ...
0
votes
1answer
1k views

How to debug “wlan_wake kernel wakelock” on an unrooted device?

The question is as short as the title. I've a Samsung Galaxy Note 3 & it has started showing issues where the CPU remains in lowest possible frequency (250Mhz) and it doesn't go to deep sleep. I ...
1
vote
0answers
6k views

Google Play services using up battery - Why and how to fix it?

Why would Android devices have "Google Play services" using up the second-most amount of battery usage over a 24 hour period (second only to screen power)? On one device, I see "Google Play services" ...
2
votes
1answer
90 views

How to preserve battery while trekking remote locations?

I will use my phone while trekking in a remote area and want to conserve its battery. I won't have phone or wifi networks, but I want to record my track using Google's My Tracks and take photos. How ...
129
votes
22answers
90k views

What can I do to increase battery life on my Android device?

What can I do to get better battery life on my Droid? Battery life seems awful. Less than 15 hours or so on normal usage.
1
vote
3answers
2k views

Battery Issues-Moto E

I am facing battery issues from days,the battery does not survive even a day even without using the internet. Tried uninstalling some apps but to no effect.It is happening 10 days after 4.4.4 kitkat ...
0
votes
0answers
16 views

Samsung Galaxy S2 battery drainage

Been having this issue for a while, before, it used to not even operate without being on the charger, and it would stick on 0% battery. When i take off the charger it would turn off immediately. I ...
0
votes
1answer
118 views

30-40% battery drain at night

I am using unlocked Samsung Galaxy S5 G900F model for 1 year. It working fine. But for 3-4 months I cannot keep my phone on overnight. It drains battery to 30%-40%. I have tried all possible solution ...
0
votes
1answer
417 views

Battery life issues on Xperia Z1 after Lollipop update

Since the update of my Xperia Z1 to Lollipop (5.0.2), my battery life is horrible! It takes a very long time to charge it to 100%, and I can only use my phone for a few hours. How can I fix it ?
14
votes
4answers
1k views

How can I improve the battery life on my device? [duplicate]

Possible Duplicate: What can I do to increase battery life on my Android device? My Desire is absolutely great, but with my usage the battery life is really a big problem. I have a few ...
1
vote
1answer
49 views

IM-A870L Radio Interface Layer broke down

I am having this weird problem with my Vega Iron since a couple of days. Past 2 days the battery was down and phone shut off. I put it to charging and when I came back after couple of hours, the led ...
3
votes
2answers
8k views

Google Services battery drain on Galaxy devices

Here are screenshots from my three Samsung Galaxy devices: Samsung Galaxy S3 (left) and Samsung Galaxy S4 (right; click images for larger variants) Samsung Galaxy Note 10.1 2014 (click image to ...
1
vote
1answer
123 views

Is it possible to force enable the battery saver mode in Android Lollipop?

It is possible to automatically enable battery saver mode in Android 5.0 when the battery hits 5 or 15%. However sometimes it would be nice to enable this mode by hand. e.g. when the battery is still ...
1
vote
0answers
126 views

Battery draining fast because of Android System

I'm on a HTC Droid DNA with 4.4.2, not rooted. My battery is going down really fast. When I look in power settings it shows that the main offender is Android System with 92% of power usage. I know ...
0
votes
0answers
105 views

Battery quickly discharged after installation of Lollipop

I have Samsung Galaxy Tab S 10.5. Recently I've updated it to Lollipop 5.0.2 through Odin. Then problem with battery have arisen: charge falls on one percent each three minutes when brightness is ...
1
vote
3answers
55 views

What happens to CPU frequency when Android downloads a large file with screen off?

What happens to CPU frequency when Android downloads a large file with screen off? For example, I start downloading system update file and hit the power button to dim my screen...What happens to CPU? ...
0
votes
0answers
64 views

High battery use by apps under location services. But location mode is set to battery saving

Under Settings > location in my phone, the apps listed under recent location requests say High battery use. However the location mode is set to Battery Saving (Networks only). I thought high battery ...
1
vote
0answers
692 views

Why does my unplugged Nexus 5 keep shutting down after any app usage?

I bought a Nexus 5 a year ago and it has been running fine. After the Lollipop update, my phone has started crashing. Even though the phone has enough battery, if I run any app for like 5 minutes (it ...
0
votes
1answer
132 views

Could PowerTutor app measure exact whole power consumption of devices using GPU?

I'm developing face detection app using OpenCL for heterogeneous devices with CPU-GPU. My app uses CPU - GPU simultaneously. So I want to measure app power consumption comparing only GPU version which ...
1
vote
0answers
657 views

Samsung S3 neo battery life started to reduce rapidly from 2 days

I am using a galaxy s3 neo phone from almost 8 months, from two days I was using my computer internet in my mobile through usb. Then yesterday night while sleeping the battery was 47 percentage , and ...
0
votes
2answers
45 views

Prevent battery from overheating

I have the habit of leaving my phone in charge all night while I'm sleeping, but I've read that this is going to make the battery last less time. Would it be possible to automatically stop charging ...
1
vote
2answers
169 views

Can Telegram notifications be disabled?

Can you disable Telegram notifications somehow? I am seeing a huge battery consumption since last few weeks and after upgrading to Android 5.0.2. After one day of use battery app is reporting that ...
0
votes
0answers
127 views

Battery life indicator issue on Alcatel One Touch Fierce 2

I have Alcatel One Touch Fierce 2. When I charge my phone to 80%, within 10 minutes it's on 75, and as soon as it hits 50, it drops down to 1 and up and down over and over again. What's wrong with my ...
0
votes
3answers
321 views

How to check if my battery is OK?

I use my phone mainly for wifi use and I know it is a battery hog. However, what I would like to know is how much time it takes for the battery to charge. I guess it is supposed to take like 4 mins to ...
0
votes
1answer
2k views

Tablet idle issue in New Nexus 7 (2013)

Lately my new nexus 7 table's battery has been draining incredibly fast during idle. I noticed that the "tablet idle" item in the battery life menu is the highest out of all of them (sometimes up to ...
-2
votes
1answer
28k views

Unusual battery drain on note II [closed]

My Note 2 battery is driving me insane. I have been using my Note 2 for like 2 months. And I had been following the recharging cycle where you only charge the battery when it reaches 5% or less and ...
0
votes
1answer
546 views

How do I set a lock screen wallpaper on the OnePlus One with the latest Android Update?

Okay so previously on the home screen ,I'd press the menu button- wallpapers- lock screen wallpaper and select my image to set as the lockscreen wallpaper.I can't do that anymore after the lollipop ...
2
votes
1answer
40 views

Does the GPS hardware draw power when no app is using it?

That is to say, does the hardware itself do any periodic updating/searching for satellites, etc, if there an no running apps which require GPS information? If so, what sort of effect does it have on ...
11
votes
3answers
29k views

2G versus 3G: Does it really save battery?

I often hear the recommendation that fixing your device to 2G saves a lot of juice compared to using 3G. Is that true? Or is it really a myth?
0
votes
0answers
37 views

Settings while debugging for battery optimization

I just got my new LG G2 4.4.2 and since I will debug in it a lot, I want to know what settings should I use in order to harm less my battery. While in debug mode, I have 5 options: Charge phone ...
1
vote
5answers
5k views

Is there a way to automatically turn off wifi?

I have an LG P990, and I recently upgraded it to ICS. Since that, the charging is much slower and energy consumption is much faster. I could live with it, I charged it at work and at home too. ...