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.

learn more… | top users | synonyms (3)

6
votes
2answers
2k views

Can Android app repair battery's bad cell?

I know this was covered in a different post, but I've been wondering how this app can actually make a difference in battery life. I've tried many of these, and "Repair Battery Life" is the only one ...
21
votes
3answers
24k views

What's the meaning of signal strength colors in battery usage screens?

The battery usage screen has an indicator for "Signal strength" that, instead of being blue/black like WiFi, has many colors: green, gray, yellow. What's their meaning?
0
votes
0answers
154 views

Android 6 excessive battery drain

I updated my nexus 5 to android 6.0 Marshmallow manually. To my surprise, I see horrible battery drain by WiFi, eve if I turn WiFi off. Just look at the screenshot! Wifi usage What do you think, is ...
0
votes
1answer
35 views

Apps & Galaxy 6's rate of battery life decline

Is the Android Galaxy 6's rate of battery usage more steeply affected by each additional application added to the phone, compared with the amount that an additional app would increase the battery ...
0
votes
3answers
348 views

Getting “Installing…” for too long, during any app installation attempt

I cannot install any app on my Galaxy Note 8 N5100 tablet which is rooted and uses Android 4.4.2. It takes too much time with no result. (Click image to enlarge) And this is the status of my ...
0
votes
1answer
257 views

How do I put only one SIM card in dual-sim smartphone to “Airplane mode”?

In Airplane Mode the device last noticably longer. The "Cell standby" shows 76% in battery settings. There are two SIM cards inserted into the device, but now I use only the second. I expect that if ...
19
votes
3answers
67k views

How can I find out what causes “Android OS” to consume battery?

The issue is that I see a high percentage on the "Android OS" item in the Battery Usage, and I want to find out what is causing it. But let me say that I'm interested in diagnostics techniques and ...
1
vote
1answer
205 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 ...
2
votes
0answers
12k 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 ...
0
votes
0answers
47 views

Battery level calibration after replacing battery

I've been using Xperia ZL C6502 for 2 years. It doesn't have a direct battery replacement facility. I disassembled the phone and replaced the battery with a new one. The new and the old batteries have ...
1
vote
0answers
497 views

Why “Services Exchange” drains my battery since Marshmallow update?

I have a simillar problem since Marshmallow. Unfortunately, as suggested I did clear the cache and I did a factory reset but the problem persists... "Services Exchange" continues to drain my battery ...
0
votes
2answers
42 views

Help? My samsung s5 has a weird problem

My samsung s5 heats up for no reason. I have tried factory reset my phone. There's no problem after i factory reset. After i download an app,the heating starts..but when i turn on power saving ...
-1
votes
3answers
81 views

How to improve battery lasting in Android? [duplicate]

I know the thread What can I do to increase battery life on my Android device? which is a subset of this question. I want to understand how you can improve battery lasting in Android, which is a much ...
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
87 views

How does the android system calculate remaining battery time

I am aware that the Android OS when calculating time left it cannot really calculate true usage, and an A.I. algorithm that would learn how you use your phone and give better estimations would ...
2
votes
1answer
219 views

Better battery life by factory reset?

This is a bit odd. I thought I fairly well grokked how things worked, but this seems weird to me. I have an original Moto X. I've had it for almost two years now. It started off with Android 4.2 ...
1
vote
1answer
105 views

Nexus 5 weird charging behaviour

I've had my Nexus 5 for about a year and a half now, but lately it's showing weird charging behaviour (check battery history graph): I leave it charging every night and it's supposed to reach ...
149
votes
23answers
95k 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
1answer
676 views

Spotting Cause of Excessive Battery Drain

I have a Nexus 6 phone and it has always been amazing with battery power, I can usually go 2-3 days before absolutely needing to charge it and that's with heavy news reading, game playing, phone ...
0
votes
1answer
165 views

How do I see current average battery statistics on Android 5.1.1 & Nexus 5

I want to see what my current, calculated standby and daily battery life statistics are before Android M is available on my device, so I can see if I've actually an improvement. Is it possible for me ...
2
votes
2answers
129 views

Applications do not close after exiting

I have lately noticed that, after last updates on my Samsung S3 mini (although I am not entirely sure which ones in particular), applications simply do not close after exiting them and keep running in ...
0
votes
1answer
189 views

Effect of Background Color on Battery Life in Android App

I am studying about the effect of different parameters of Android app on Power Consumption and tips for optimizing them . I came across this paper which states that ligh background color consumes ...
0
votes
2answers
141 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 ...
4
votes
1answer
597 views

Don't charge to 100% when always-on wall-plugged-in

I want to use a Google Nexus phone for an always-on wall-plugged-in WiFi tethering access station. It occurred to me that if I just do it like this, then I'm risking ruining the battery within a ...
0
votes
3answers
287 views

Facebook Messenger consumes a lot of battery even if no messages are sent/received

I recently installed Facebook Messenger and it seems to be consuming a lot of battery, even if no messages are sent/received in a day. Below is the battery usage for reference. As you can see ...
2
votes
2answers
18k views

com.android.systemui rapid battery drain

I have a Samsung Galaxy S5 that is approximately six months old. My OS version is 4.4.2, and my provider is AT&T. The battery in my S5 will usually last me 2-4 days without charging, depending on ...
1
vote
1answer
253 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?
0
votes
2answers
3k 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 ...
3
votes
3answers
241 views

Is it possible, that old smartphone becomes slow simply because it is old?

I have 3.5 half year old Samsung / Google Galaxy Nexus i9250. The phone has become so slow after that time, that it is simply being unusable. Launching any application, as simple as Gmail or Calendar ...
31
votes
3answers
50k views

Do I have to charge my phone before I use it the first time?

When I got my last phone, a SE k850i, I was recommended to charge it fully once before I even turned it on. Does this apply today as well, for my coming HTC Desire HD? Why was I recommended to do so ...
0
votes
2answers
6k views

Sudden battery drain on Samsung Galaxy Ace 2x

I have a Samsung Galaxy Ace 2x that is not yet a year old. For the last 6 weeks, the battery has been draining very quickly, even though I have turned off everything that would cause this (GPS, WiFi, ...
1
vote
1answer
589 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 ...
1
vote
1answer
52 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
0answers
382 views

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

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
5k 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 ...
15
votes
6answers
29k 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 ...
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
23k 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
106 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
259 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
1answer
105 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
193 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
3k 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
0answers
70 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
84 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
396 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
155 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 ...
9
votes
3answers
6k 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 ...
-1
votes
1answer
30 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 ...