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Questions tagged [battery-life]

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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.

183 questions with no upvoted or accepted answers
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10
votes
0answers
915 views

Doze behaviour on Nougat (7.0.)

Doze behaviour has been changed in Nougat. Doze is implemented in two stages When a device is on battery power, and the screen has been off for a certain time, the device enters Doze and applies the ...
4
votes
1answer
1k views

Accessibility turned back off - how to keep it on?

I'm using the app 'Automate', in order for it to work I have to turn it on in Settings/Accessibility: But after a short time I doesn't work anymore and it's back on 'off' again. I think it may have ...
4
votes
1answer
159 views

“Phone” item using 10-15% of Battery Life

I've attempted to search for other questions answering this, but keyword ambiguity is working against me. On my Galaxy Nexus, my battery drains rather quickly. Very frequently, when viewing the ...
3
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0answers
363 views

How can I make Android M stay connected to a weak wireless network?

I recently switched from an older device running CyanogenMod 11 (Android 4.4 / Kitkat) to a newer device running CyanogenMod 13.1 (Android 6.0 / Marshmallow). Both with this device and with others, ...
3
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0answers
5k 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 ...
3
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0answers
14k 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 ...
3
votes
1answer
675 views

Battery Drain from mysterious wake locks

I have an huge battery drain issue on my OnePlus One running Android 4.4.2 on stock ROM CM11s O5Q with FrancoKernel R35. I googled and searched so many times but couldn't find anything and I am really ...
3
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2answers
1k views

How do I keep CPU off when charging?

When I connect the USB power source, it makes CPU to stay on (even though "Development->Stay awake" is off). When charging from a weak power source if makes battery to drain even faster than is case ...
3
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0answers
615 views

MS Exchange with Default Email App is Randomly Draining Battery!

I'm using my Exchange email account for work with the default Email app on my Nexus S running Jellybean... usually everything works just fine, but within a week or so it'll start consuming massive ...
3
votes
0answers
651 views

Battery life in Samsung Galaxy 3

I recently updated my Samsung Galaxy 3 to Android 2.2 . After the update my fully charged battery dies in just 3 hours(without any use) and around 1 hour if I use it (talking,browsing etc). I am using ...
2
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0answers
47 views

Does turning off cpu cores will actually save power?

My phone is using custom kernel that has cpu hotplug in it. The hotplug name is AutoSMP and it has max cpu (big & little) core that should be online option in it. Currently I'm using 3 + 3 core ...
2
votes
1answer
33 views

Is it possible to keep phone plugged in a powerbank when the battery is worn out?

Is it possible to glue a powerbank to the back of a phone, and keep it plugged in permanently, if the battery has been worn out?
2
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0answers
42 views

Will apps exempted from background optimization be affected by low-battery triggered energy saving?

I disabled optimization for Whatsapp. I want to limit Whatsapp only if the battery is low. Does LineageOs 14 ignore the whitelist on low battery out of the box already? I'm wondering about this ...
2
votes
0answers
105 views

Why are apps given the right to run whenever they want even when they keep the phone awake?

This question is quite related to (and could end up being closed as a duplicate of): How can I stop applications and services from running? I would probably just comment there to get clarification ...
2
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0answers
38 views

Battery Level Instant Drop

Recently, muy phone has had several instances of instant battery level drop; not as in quick drain, but rather, immediate drop. I've been able to document these two occurrences : Between the first ...
2
votes
0answers
604 views

Google Play Music draining humongous amounts of battery

Around a couple of weeks back, my phone battery started draining really quickly. In the battery settings view, I could see that Google Play Music is consuming huge amounts of battery. I have tried ...
2
votes
0answers
195 views

“10387” using up battery

I have absolutely no clue what this process is. I've never seen it before, and I check the battery usage tab a lot. I'm worried it's a virus or something, although I do have CM Security installed, I ...
2
votes
0answers
404 views

Powersave governor VS Marshmallow Doze

After searching on Google and XDA for an answer (which I didn't find), I decided to pose this as a question here. So, I guess that the majority of us know about the so-called big difference between ...
2
votes
0answers
61 views

Show “battery so far” chart instead of the “projected battery life” chart in Marshmallow

After the update to Marshmallow, I notice the battery level chart is different that I had it with K. In KitKat, the chart was "last charge until now" long, but in Marshmallow it is "last charge until ...
2
votes
0answers
893 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 ...
2
votes
1answer
80 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 ...
2
votes
0answers
275 views

Faulty battery status indication

I have a Huawei Honor U8860 with Android ICS. I use two Mugen Power batteries. I always use one battery until it's empty, then charge it to full while using the other battery. Recently Android battery ...
2
votes
0answers
119 views

Build android from source. Battery power incorrect

I added a kernel module to the msm flo kernel. I built android JB from source for my Nexus 7(flo). I flashed the device with the built OS. My battery power seems to be stuck at 100% remaining. I ...
2
votes
0answers
403 views

Why is GPS Status eating a third of my battery power?

I'm trying to have as little as possible running when I'm not using my phone. In the system settings under battery you can see what has been using the most power. I've been able to disable or ...
2
votes
0answers
1k views

2G vs 3G Talktime

When I was going through specs for my Xperia SP, I found the 3G talk time to be more than the 2G talk time. Talk time: Up to 10 h 25 min (2G) / Up to 19 h (3G) More over I went through the specs ...
2
votes
1answer
552 views

What factors does PowerTutor measure to show energy consumption?

I am trying to find the impact of the signal strength on the energy consumption of WIFI in Android using an HTC NEXUS ONE. I am sending several files starting from 1 kb to 600 kb. I use PowerTutor as ...
2
votes
1answer
1k 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 ...
1
vote
0answers
27 views

DNS over internal VPN?

I'm a newbie so, my bad if my question is a non sense to you. I'm currently renting a server where I installed PiHole and PiVPN. PiHole is a DNS sinkhole that I use for blocking add, and the PiVPN ...
1
vote
0answers
24 views

(Xiaomi Mi 9 Lite) Mobile data turns off automatically when screen is off!

I have an issue with Mi 9 Lite, when I lock my phone, mobile data turns off automatically after a short period of time, it will turn on as soon as the screen turn on, I tried to enable "Mobile ...
1
vote
0answers
77 views

Making a device to simulate low battery early

I have device which is used commonly by a layman kin. She does not really understand, why spares the battery if we do not wait until it goes to zero. She thinks, the device needs charge only if it was ...
1
vote
0answers
21 views

Moto e4+ fast charging issues

My moto e4 plus is 2yrs old.Suddenly at 75-80% it's charging rate drops then after a while suddenly it charging very fast after that stoppage.can anyone tell me reason !please
1
vote
0answers
120 views

“Urgent Results” from LG V30 Smart Cleaning

I have an LG V30 (on Verizon, but I doubt that's relevant) that's about a year old. A couple of weeks ago, it updated to Android 9.0 Pie. Ever since that update, about once every 48 hours, I've been ...
1
vote
0answers
45 views

CPU throttling during Web browsing for battery preservation - counterproductive?

The power saving feature in Android (I'm mainly familiar with Samsung phones so this might not apply to all brands) throttles the CPU in order to save battery. If the phone is being used for Web ...
1
vote
1answer
56 views

How long will battery last, assuming no usage

Short question: How do I find how long my battery will last, taking into account the current settings (Airplane mode, Battery saver, etc) I have enabled, and assuming I do not use it? Detailed ...
1
vote
1answer
48 views

On Android 7, when using a TTS engine, would power use show for the engine itself or the app using it?

For example, would power use be attributed to a navigation app or Pico?
1
vote
0answers
439 views

Understanding Excessive Battery Drain on Note 8 (Nougat 7.1.1)

I'm suffering from excessive battery drains on Note 8, Nougat 7.1.1. The battery drain is excessive when on idle mode/when the phone is asleep. I have installed BetterBatteryStats (gave it all ...
1
vote
0answers
21 views

presumably faulty battery level reading in Android 6.0 on an LG G4

I have been recently experiencing battery level drops, and to my understanding my observations may have not been documented in the same way earlier by other users. The phenomenon is similar to what ...
1
vote
0answers
517 views

Phone only turns on when it's plugged in but then works normally

The problem regards a cheap 5.1-based Android phone, manufactured by a company named Manta. A few days ago it randomly shut off on its own and it was impossible to turn it on because it got stuck on ...
1
vote
1answer
347 views

Change battery percentage at which phone turns off

I'm trying to completely discharge an LG G2 D800 with Android 4.1; however, the phone always shuts down at 2%, so it's impossible for me to go down until the absolute zero. How could I change this ...
1
vote
0answers
100 views

Why “System Update” app of “android 6.0” is draining battery

I am using Yu Yunicorn (5530) android phone. It has android marshmallow update. Recently I noticed when I put the phone on charging it takes long time to charge and never goes to 100%, also during the ...
1
vote
0answers
1k views

Galaxy Note 4 Battery Drain, Have Been Able to Narrow Cause Down to SD Card. Suggestions?

I've had my Galaxy Note 4 AT&T model for a little over a month now. I got it pre-owned, but even so it works great, almost as if brand new. With the exception of the battery life. I've noticed ...
1
vote
0answers
536 views

battery drain when phone idle

I'm using LG G4 H818 with android 6.0 All of the sudden my battery started to get drained when I'm not using it at all, mostly over night. For example, it goes from 100% to 45% over night when I ...
1
vote
1answer
4k views

Battery saving - WhatsApp

My WhatsApp messages have been delayed and I believe it is because of the power saving being on. I want to keep it on because my battery drains, but WhatsApp does not seem to be in the unmonitored ...
1
vote
0answers
187 views

Battery Drains Way Too Quickly. What's Going On?

I know there are many forums and posts already discussing battery issues, but I am posting here because I would like constructive and detailed feedback. I have a S7 Edge running Nougat 7.1 not rooted,...
1
vote
0answers
478 views

CPU-Z shows all cores stopped

Is there anybody could help me explain this situation? By the way, something malicious I don't know (not cpu-z) cause battery drain whereas anti-virus software tells nothing.
1
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0answers
47 views

Is Samsung S6 battery usage screen inferior? Alternatives?

I've started experiencing bad battery drain on My S6. The last time I had to diagnose battery drain was long time ago on an LG G2 that I'd rooted. It had a really good battery diagnostics showing ...
1
vote
1answer
215 views

Google App & Google Play Services Draining Battery in Cyanogenmod

I have an old Sony Xperia Z I want to use in my car to use Spotify/ Google Maps/ Google Navigation/ Android Auto. The phone is running Cyanogenmod 13.0-20161219-NIGHTLY-yuga / Android 6.0.1 (...
1
vote
0answers
58 views

Very low battery-life in specific WiFi

Hello fellow Android Enthusiasts. I have a problem that has been bugging me for a very long time: Whenever I leave devices at my workplace overnight, the battery is completely drained the next day. ...
1
vote
0answers
410 views

Android Wear causing battery to quickly drain

I'm currently using a Zenwatch first generation alongside a Samsung Galaxy S6 Edge on Android 6.0.1. Both devices are always fully updated. The problem is that when my smartphone is connected to the ...
1
vote
0answers
48 views

consuemd power for Android phones in adhoc mode

I want to know the following information: 1-The consumed power by the smartphone when send/receive beacons when connecting with other device in adhoc mode. 2-Is the consumed power is the same for ...

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