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

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Battery Problem

I am using Samsung Galaxy SII Plus Gt-I9105. My problem is that my battery indicators/Sensors are crazy. When I charge my phone, the battery indicators(3rd party app & a small text in the ...
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14 views

Can my phone be affected if the charger explode while charging? [on hold]

I was charging my Intex Aqua HD phone with a different charger and the charger explode. The battery blots after the explosion, and the phone became very hot. Can it affect the phone?
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43 views

Does turning Bluetooth on use more battery than sending 1 byte of data every second with a long interval in between? [on hold]

I'm building an app that sends 1 byte of data every second for 30 seconds through Bluetooth. After 30 seconds there is going to be an inactive state that ranges from 15 seconds to 30 minutes where the ...
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1answer
23 views

My galaxy S2 battery loses all of it's charge in about 6 hours of minimal use

I switched over to an old phone (like a really old phone) from a windows phone, due to the limitations of that app store. However, I have noticed that it quickly discharges with not much use. I have ...
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125 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" ...
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67 views

How to enable battery percent in moto g2

At the time charging battery percentage will display on lock screen on my moto g2. How activate this percentage permanently in status bar aside battery symbol Will anyone please help me
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54 views

Do applications run in user profiles that are not active / run in background profiles?

I configured 3 user profiles with each their own google account on my device (Nexus 5 with Android 5.1). When I switch the user profiles, do the applications keep running in the user profiles that ...
2
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75 views

Why does my Android 4.4.2 sudden have a battery drain (Wiko Bloom)?

I'm currently using a Wiko Bloom, with Android 4.4.2, using the latest manufacturer update. A few weeks ago I was trying out the Llama app and after a while I noticed that out of nowhere my battery ...
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12 views

should (or shouldn't) I clean the ram when I closed all applications?

This might be a bit of a general question but nevertheless: Performance wise: should I, when I kill all apps (or some of them) also clear memory? I know that android keeps a stack of apps ...
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32 views

is there a way to set battery save automatically at night?

I would like to enable the battery saving mode at certain time and disable it at another time every day, is this possible?
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8 views

extending battery life [duplicate]

when a charge of the battery is disrupted (you urgently need to pop out and your phone was charging) is it better to charge again once you have the chance or do you wait until battery is low again? ...
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1answer
196 views

Battery drains very quickly on Samsung Galaxy S5

I have purchased a Samsung Galaxy S5 from the store. I open it and I begin by charging it for the first time, but without turning it on. The battery was 61%, so I waited until 100%. After that, I ...
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25 views

Do Mi Power Banks Supposed to Charge via AC or USB Mode?

1) Using the common cable (power + data), does Xiaomi power banks supposed to charge via AC or USB Mode? 2) Is the OEM cable in included in the packed supposed to be "power + data" or "data-only"? ...
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44 views

Difference between task killer, battery optimizer, removing (slide out) open app

Recently I am pretty concerned about my battery and apps that eat up phone resources. These are the solutions I end up with: Free up RAM: clean master one tap boost. Grrenify that 'hibernate' apps. ...
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2answers
96 views

How to troubleshoot overheating and high battery drain in an Android Device?

Device info: Model : Micromax Canvas Nitro A310 Android Version : 4.4.2 Kernel Version : 3.4.67 Device Status : Rooted, Philz touch recovery, Xposed Framework installed Issue: My(relative's) ...
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1answer
82 views

Should I charge phone overnight or let battery down to a minimum?

For many times I found myself in a situation, that my battery charge was about 25-30% when I was going to sleep. Since I was always told to not let battery down below 20% (correct me, if that's wrong) ...
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43 views

Problems with Moto G (2nd Gen) Lollipop software update [duplicate]

It takes 10 hours to 100% charge. It occasionally hangs making it very difficult to handle. It's overheating badly when playing games. Lollipop software is causing too many problems after updating ...
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1answer
25 views

Is there a universal way for a circuit to detect battery life and report it to the stock OS? [closed]

It must be noted that I know very little about programming, and don't even own an Android device, however I am considering building one(Learning whatever it takes.) My question is simply, if I were ...
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34 views

How to troubleshot: IpcThreadState log spam / system_server eating battery

The last days, i encounter the issue of my phone draining its battery fast (about 10-15%/h when idle). I'm trying to see what's happening, there are no unusual or suspicious alarms or wake locks. ...
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10 views

android battery problem

I have had common problem when charging my phone with Android the battery reaches 90 percent and the time on battery resets to zero and 89 percent it remains on showing exact time on standby - is this ...
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152 views

Galaxy S5 keeps restarting

I have recently gifted a Samsung Galaxy S5 and every time I turn it on I face with message: check battery cover Something similar to this one But my main problem is that it restarts randomly ...
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1answer
50 views

Massive battery drain after factory restore

I've been struggling the last couple of days figuring out a way to solve my mass battery drain issues on my android phone (Samsung Trend Android v 4.2.2). Since my time for finding a solution was ...
2
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1answer
68 views

Computing when on charger - long term effects on battery life

Donating your computational power for scientific projects is, in some cases, available for Android. One of them, the World Community Grid, states that "Using the application will not significantly ...
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32 views

Why won't my tablet charge fully after continuous use of a different charger?

My Android tablet had a charger with output 5.0V 2000mA. Of course, it got damaged and I found another charger that suits the size. Its output was 5.0V 880mA. I used it for months. I noticed my ...
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1answer
92 views

Why is my WIFI always on?

I have turned off WIFI in the settings, but it's still always running. Doesn't this graph indicate that WIFI is really on all the time? How can this be when it's definitely "off" in Settings? I'm ...
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17 views

Google Play Services Battery Drain [duplicate]

I have sony xperia l running Android kitkat4.4.4 AKOP rom I want to ask that my phones google play services draines my battery 60% to 80% I tried all kind of fix but nothing sloved my problem ...
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1answer
97 views

Abnormally high battery drain

My battery drains extremely quickly, it can deplete completely in just over 1 hour. It can even drain faster than the charger can supply. Here is the battery graph after less than 60 minutes of ...
3
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1answer
175 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 ...
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44 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 ...
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76 views

SGS2: Terrible battery life, I've tried everything I could think of

About 2 months ago, my gf started experiencing an odd problem with charging her Samsung Galaxy S2. While it was connected on charger and on stand-by, it would charge only 5% in like 2-3 hours. ...
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0answers
70 views

Battery percentage shown in lockscreen while charging is incorrect

I have a Samsung Galaxy S-III (rooted & running 4.4.4) with a peculiar problem. According to the Notification Bar toggles, the battery percentage is 82%. The same is shown in Settings > ...
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1answer
58 views

Network quality related battery discharge

I'm seeing a ridiculous battery drain on my Android/Samsung Galaxy S4 seeming to correlate with network traffic/signal change (see images below). Please keep in mind that the phone sits idly on my ...
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1answer
57 views

My battery dies very quickly [duplicate]

I've had this issue a couple of months ago too but then I could fix it by turning off an option at my WiFi settings. Now the problem is back but it my previous solution doesn't work. I own a Samsung ...
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1answer
45 views

How can I have my device charge only when battery is below a given percentage?

So I've mounted my Nexus 7 onto a wall and use it as a sort of info screen / home automatisation device. Now this would require the screen to be on all the time which is why I want it to be connected ...
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15 views

Battery calibration myths [duplicate]

I have read loads of articles on battery calibration, but I have trouble finding any consistent information. Is calibration even necessary? I mean doesn't android do it automatically, surely it ...
0
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1answer
105 views

battery drain AFTER kitkat update

On Samsung S5 AFTER installing KitKat last week, the mm-qcamera deamon usage has drain down full battery in 7hours (before update 12+ hours uptime was the average. Hopefully an urgent fix is coming. ...
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3answers
18 views

Is it better to take your phone to the store to have the battery replaced? [closed]

I recently upgraded to a smartphone and am learning my way around it. I like to do things myself whenever possible, so I'm wondering: When the time comes to replace the battery, should I take it in to ...
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49 views

Nexus 7 max battery capacity dropped so fast

I own a Nexus 7 2012 running Android 5.0.2 Two months back when I installed battery doctor and checked my maximum battery capacity it showed 3950mAh. Uninstalled the app, yesterday I re-installed the ...
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7 views

Can I leave my note 2 charging? [duplicate]

The guy I bought my phone off of said there was a problem with the note 2, where i should not leave my phone plugged in all the time becuase the battery could overheat of whatever.. So I dont have it ...
0
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1answer
52 views

How to replace Nexus 5 battery?

As we all know, the battery in the Nexus 5 is sealed inside the phone chassis and cannot be replaced by the owner the way other phones' batteries can be. I am not particularly in favor of ...
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0answers
39 views

Battery down over night?

I only found a question where the cause of this problem was the exchange service. But in my case the battery went down from 80 to 9% over night, with 55% consumed by Android OS. What are the services ...
0
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1answer
16 views

What would happen if the kernel was somehow modified to avoid sending the shutdown signal?

I'm assuming a signal is sent when the battery reaches some critical level. If that signal was programmed to be ignored somehow, what would me most likely to happen when the battery depleted its ...
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138 views

com.avast.android.mobilesecurity still using 30% of battery power even after I uninstalled the app?

On my Samsung Galaxy s5 I found out that avast was draining my battery, so I uninstalled it. Even after rebooting, by battery usage still shows something called com.avast.android.mobilesecurity (with ...
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1answer
59 views

SD Maid on Rooted Roger's Galaxy S3 hanging on “System Cleanup” and “Duplicate”

My phone is a rooted Canadian Samsung Galaxy S3 (SGH-I747M) running stock 4.4.2. I've had SD Maid installed for a very long time and it's worked great up until now. I've never had any issues with it. ...
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0answers
65 views

Nexus 4 red light appears when trying reboot (power button + vol)

Yesterday my phone fell out my bed, I picked it up and trying to turn on and nothing. I start charging my Nexus 4 and nothing appeared (battery signal). I pushed the power button and the screen turns ...
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1answer
40 views

Karbonn Titanium S1 suddenly switches off

My Karbonn Titanium S1 smartphone switches off when I open the gallery, play any game, listen to music or do anything with the phone without connecting the charger. The screen starts to shrink and the ...
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0answers
77 views

Configure android phone to start charge only after discharging 70% or below

I have an application where my phone needs to be in continuous charging mode. I understand most smart phones would have a mechanism that cuts off charging after the phone has been charged to 100% and ...
0
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1answer
35 views

How can an NFC battery's NFC functionality be used on Android devices? [duplicate]

My Samsung Galaxy SIII comes with a battery with an Near Field Communications (NFC) label on it. Several earlier Android modles don't come with such a label on the battery. I would like to know what ...
1
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1answer
55 views

How to use an external sd card and recharge the battery at the same time

I'm an happy owner of the tablet nexus 10. It is very good. Some time ago I've bought the leef connector because I want to use an external sd card : as you can see from the picture,there is a ...
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41 views

Alarm not triggered when battery low (but also when battery full)

I've noticed that on my Android 4.3 Samsung Galaxy SIII, as well as on previous devices, the alarm is not triggered when the battery is low, and any applications that depend on this will thus not be ...