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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0
votes
2answers
52 views

How can I edit my lockscreen so to prevent myself from accidentally opening the Camera app?

I have an Archos Helium 50 phone running Android 4.3. It often activates the Camera app while the phone is still my pocket. Plus, since it's dark inside my pocket, it activates the flash — and ...
1
vote
1answer
37 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 ...
1
vote
1answer
22 views

Effect of changing resolution on battery

There are various ways to change the resolution on Android devices, and I was wondering: Does it have any noticable effect on battery life? And has anybody ever tried doing some proper measurements?
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
2answers
275 views

How to care for a lithium-ion battery so that it will remain useful for as many years as possible

My question I own an Android smartphone with a lithium-ion rechargeable battery. I want the battery to remain at least somewhat useful as long as possible — even for five or ten years, if such ...
0
votes
1answer
1k 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 ...
14
votes
6answers
25k views

Mediaserver using excessive CPU time and battery

I've got a Nexus 4 on OS version 4.2.1 that suddenly started to drain it's battery very quickly. When looking in the battery usage I see "Mediaserver"eating 60% of the battery over time, with several ...
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 ...
0
votes
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 ...
0
votes
3answers
2k views

what could cause a sudden drop in battery life?

According to my battery graph the phone went from 85% to 0 in an instant. I wanted to add a screenshot, but I do not have enough reputation. The last time I checked it was nearly full, and 7 hours ...
5
votes
1answer
20k views

Display screen keeps waking up when locked

When I lock my Samsung Galaxy Nexus by pushing the power button, my phone's screen darkens for a few seconds, then keeps staying awake with the lock screen displayed. This keeps eating away at my ...
0
votes
0answers
31 views

How do I prevent apps from waking up Sony Xperia 3 compact?

I have a Sony Xperia Z3 compact, with Android 5.1.1. This phone is not rooted, and actually belongs to a friend, so I cannot root this phone. I am having battery life problems that appear to be a ...
0
votes
1answer
222 views

Battery drains on my LG G3 despite everyone saying it has a great battery life

So I have my LG G3 for 5 days and the battery life is not what i expected. I am not a real havy user, when I am home WiFi is turned on when I'm using the internet, data is always turned off like ...
2
votes
0answers
67 views

Turn screen off without Android sleeping

Is there any way to quickly toggle the screen off without making Android sleep? For example, I sometimes like to use the Calm app when I sleep. But it keeps the screen on all the time. When I just ...
2
votes
1answer
36 views

Tablet shuts down due to low battery when battery meter is above 10%

I have a Nexus 10 whose battery-level estimation seems to be inaccurate: when the battery meter gets to around 10% to 15% remaining, the tablet will abruptly shut itself down the way it's supposed to ...
1
vote
1answer
65 views

Battery drain of 20% at night without any use on nexus 5

I have recently replaced my battery on the nexus 5 . I thought I would be looking forward to a huge battery life difference but I was surprised that even with the new battery the drain is 20% at night ...
1
vote
1answer
273 views

Very high battery drain by Android OS, Android System, and Screen in Samsung Galaxy Note 3 running Lollipop

I've got a Samsung Galaxy Note 3 (SM-N900) running Android 5.0. The battery life is terrible. Most of the battery is taken by Android OS, Android System, and Screen. The moment I switch the screen ...
0
votes
1answer
3k views

Phone Radio uses 80% of my battery

I have GSam Battery Monitor, and it says that my Phone Radio is using about 80% of my battery. Why is this so high? I usually unplug my phone in the morning at 8AM, and I usually need to plug it back ...
0
votes
0answers
37 views

11 “Android System” running

One of them is taking up ~45% of all ram. My battery is dying even when idle and charging. I've scanned for malware on AVG and DU and haven't hit anything. I am on a Verizon Samsung Galaxy Note 4 ...
0
votes
0answers
13 views

mm-qcamera.daemon draining my battery on Droid turbo [duplicate]

I have not installed any new programs or used my camera and this started yesterday. I do not have Skype installed. I have powered off twice and it is still doing it. Please tell me how to fix it
2
votes
3answers
65 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? ...
1
vote
1answer
165 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 ...
2
votes
1answer
60 views

How can I track cause of “Android System” and “Android OS” battery usage

I've got a Samsung Galaxy SIII which quite suddenly, though it was in airplane mode the whole time, started to drain the battery in less than 6 hours. Updates to several bits of Samsung bloatware ...
8
votes
3answers
5k views

Do battery saver apps really work? Is it possible to save battery programmatically?

There are numerous apps in the Google Play store claiming to double or triple the battery life. Is it just a myth? Or can they really? If they really do save some power, why doesn't Android do it by ...
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 ...
138
votes
22answers
91k 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.
2
votes
2answers
1k 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 ...
-1
votes
1answer
15 views

Can I make the status bar update less often?

I was playing with the developer option s, and turned on show screen updates, which shows that the status bar is updated less than once every second. But all I have there is the Llama icon, the ...
0
votes
0answers
28 views

HTC Rapid Charge 2.0 overheating battery

Since a few days ago I'm charging my HTC One M8 using the HTC Rapid Charge 2.0 charger. It does indeed charge fast, but I've noticed that the battery gets really hot. After installing the DU Battery ...
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 ...
-1
votes
0answers
62 views

How to stop Cell standby from consuming battery aside from turning on Airplane mode?

The SIM slot of my Samsung Galaxy S2 is already broken and for now, I couldn't find a repair shop that can help me change my SIM slot. I need to use my cellphone for some purpose such as using Wi-Fi, ...
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 ...
0
votes
0answers
22 views

Huwaei Mate 2 - Randomly shutting off

So i have a Huwaei Ascend Mate 2 and it will be charged and randomly shut it's self off and i have to do the power + volume up to get it to boot again i had to recently replace the screen and yes i've ...
2
votes
1answer
67 views

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

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
47 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 ...
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
0answers
208 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
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 ...
0
votes
0answers
13 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
13 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
314 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 ...
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 ...
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 ...
218
votes
6answers
54k 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 ...
2
votes
0answers
8k 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
113 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 ...
0
votes
0answers
21 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 ...