Questions tagged [battery]

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

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7
votes
3answers
30k 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 ...
0
votes
0answers
19 views

Any way to send battery statistics to a computer?

I'm working for a company that has several samsung galaxy tablets in the field, we want a way to determine when their batteries are going bad before they stop working completely. Ideally, we'd be ...
0
votes
0answers
12 views

Android 9 “battery fully charged” icon flickers: What does it mean?

With my Samsung S10e phone fully charged, when I unplug it from USB then re-plug it in, the "battery fully charged" behaves like this: appears and disappears a few time quickly stays visible for 5 ...
2
votes
3answers
99 views
+100

What is the fastest way to shutdown unrooted Android phone?

Sometimes I need to have my phone shut down as fast as possible. In older phones I was able to remove the battery, but after some "innovations" this feature is no longer present. Is there any better ...
1
vote
3answers
2k views

How do you view battery usage on Android Pie?

In old Android versions, I would commonly go to view my battery percentage in the options to make sure that none of the apps running in the background were burning out the battery. In Android Pie, ...
0
votes
1answer
5k views

Having serious technical problems / crashing on my Samsung i9300

I have a Samsung Galaxy S3 (i9300) that I've been using for slightly over a year. I am a rather heavy-duty user of the phone, and have used in intensively for that time. I do take care of the phone ...
3
votes
3answers
5k 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
1answer
840 views

How to recalibrate the OS for an external battery?

I recently bought an external non-standard 7000 mAh battery for my Samsung Galaxy S3 but the phone doesn't seem to recognize it. Is it possible that the phone needs to be reconfigured or recalibrated ...
2
votes
2answers
6k views

How can I turn off data when my phone's screen is off and only let data come back on once per hour or so to sync apps?

I have been using an app called Doze which turns off data when my phone's screen is off. I'd like to find a way that would turn off data when the screen is off but would turn on data once per hour or ...
-1
votes
0answers
9 views

If I replace the battery on my one plus 3, will it affect my phone data? And will dash charging still work on it? [duplicate]

So I've been using my one plus 3 for about 3 years now, and I've been wanting to replace the battery on it cause the phone is still great and snappy, but dies pretty quickly because of the compromised ...
1
vote
1answer
868 views

Android system battery drain

My android phone has heavy abnormal battery drains coming from Android system. 2000mAh and above on a single charge! I know for certain this is a software issue and not hardware. Before I hit the ...
0
votes
2answers
789 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 ...
0
votes
0answers
10 views

Technical explanation for crazy Android Mediaserver battery drain bug?

On many forum posts, ranging mainly from 2014 to 2017 (it took Google that long to fix this critical bug?!), people reported experiencing a rapid battery drain by Android's media server process. I ...
0
votes
0answers
6 views

Having trouble powering up my phone with another power source

I am having a bit of trouble powering my phone I got a Lenovo A7000 plus which is the same as K3 Note version and this phone uses BL243 battery Here is some information about the battery Typical ...
8
votes
5answers
12k views

My phone thinks it's charging

After upgrading my Galaxy Nexus to 4.0.4, it keeps thinking the cable is being plugged in and out all the time. The battery discharges at a normal rate, even though the screen keeps lighting up as a ...
0
votes
0answers
6 views

Is it possible to use K3 Note without a battery?

I have been using my phone mostly as a modem and I wanted to know if it's possible to somehow use K3 Note without a battery using a 3V or 4V adapter
1
vote
0answers
17 views

'Recycling' off-the-shelf Android devices as server ('Toaster-Net')

Since Android devices tend to be relatively low-power un*x devices, this seems like an obvious usage, I was already able to run the basic setup of what I had in mind, but I think it's a right time for ...
0
votes
0answers
14 views

Phone only charging in offline charging (when powered off) Moto X play

I'm struggling with this issue for about two months now. ISSUE Phone, when on slowly charge to around 65% (rarely reaches 100%). Around +10%/h. Ampere reports battery overheat, when it's 25-32 C. On ...
0
votes
1answer
869 views

My LG LEON battery dead?

I was charging my LG LEON and it suddenly turned off with a 0 percentage of battery, then when i tried connecting it to the charger it didn't wanna charge. I tried with five different chargers and ...
2
votes
2answers
925 views

Is there any relation between charging rate and discharging rate?

Sometimes when I do not use the original charger but a different one it would take less time to fully charge the device than the original charger would do. But I can feel that discharging rate is ...
1
vote
1answer
870 views

Motorola moto 4g, battery drain, always high media server actitivity

I recently bought a motorola moto 4g, and I quickly noticed that the battery is going low very fast! With no use at all, it's going down 15% percent per hour... The mediaserver is always taking up 50%...
0
votes
1answer
16 views

Really strange battery issue?

So, I don't have a picture, but my Android phones batter is on the fritz. At first it just started draining quickly so i checked if I had any apps that where draining it quickly but I didn't have ...
0
votes
1answer
2k views

Battery Status Indicator Error?

Okay so I have a very interesting story to tell.... Here is what happens... I charge my phone at night, wake up in the morning, pull it off the charger, about 9-10pm it drops to about 15%, which isn'...
0
votes
0answers
11 views

How can I see the estimated time until battery fully charged

In all Android phones I had so far I could go to the settings -> battery and while charging a nice plot displayed an estimation on how long it will take until the battery is fully charged. I am using ...
0
votes
0answers
11 views

Force charging/rebooting an android phone

I got a new phone several monthes ago. I've basically let the old one, a Samsung Galaxy S7, sit around untouched ever since. But I recently realized there is some info etc. on the old phone I still ...
0
votes
0answers
13 views

Battery problem. “Charges” while unplugged

I could not found any post with the exact same problem as me. So, here's the deal: For some odd and unknown reason, my battery percentage increases as if it is constantly charging. Let's say drain ...
0
votes
1answer
1k views

FTM screen cant remove battery

my phone says FTM it suggests taking the battery out but I cant remove my battery so now what do I do ?
1
vote
0answers
19 views

Is it a Kernel or a ROM that provides power_supply battery files?

Long story short I was installing custom ROMs to my Android device and one thing that stays in place regardless of ROM I use is a wrong battery stats monitoring. The device always behaves like it's ...
0
votes
0answers
6 views

Multi-media library, sone problems

Can someone kindly tell me 1) how many bytes occupies the Android multimedia library, precisely the memory size of the app, and the data memory size (currently my device signals 0 B for the app!), ...
0
votes
1answer
1k views

Nexus 4 wont hold charge after screen and battery replacement

I've just replaced my broken screen and put a new battery into my nexus 4 following this you tube vid: http://www.youtube.com/watch?v=AZDAIgwbXk4. When I first plugged in the charger (1A generic usb ...
2
votes
1answer
216 views

What does the charge counter in battery indicates?

I have used the adb shell dumpsys battery command on my phone. It delivers the following results (posted on the image). Most of the terms, I can understand but not the charge counter. What does it ...
0
votes
3answers
83 views

Is it true, that Trump sanctions as of 01.06.2019 have started battery drainage on Huawei Android mobile phones?

It is 1st of June 2019 and new round of sanctions have started under Trump. And severe drainage of battery of my Huawei Android phone has started as well. 20% of batter is gone under just 1 hour. ...
0
votes
0answers
13 views

What is correct way to calibrate battery?

I've watched videos and referred some random sites. But I'm not sure if these steps are correct. I used battery calibration app but that doesn't help. I'm using Asus Zenfone Max Pro M2. Running ...
1
vote
0answers
11 views

Honor 8 bricked after batter replacement

I replaced the battery myself. After finished, I trun on the phone, it vibrates once and the screen light up a little (hardly see it) but cannot boot. When I press and hold the power button, it turns ...
1
vote
3answers
718 views

How to prevent Nexus 7 of charging the battery every time when connected to a USB?

Hello fellow Android enthusasts, I recently bought a Nexus7 that I want to use for development. The thing is, every time I connect it to my USB, in order to test some apps on it, it starts charging. ...
22
votes
3answers
7k views

When should I start charging my Lithium battery?

The comments in this question say that I shouldn't wait until low battery charge level before I charge, because that reduces battery life (this is contrary to my understanding before that the faster ...
9
votes
3answers
25k views

Automatically limit (stop) battery charging at a given percentage

Device : Moto X Play ( Rooted, Stock, Android 6.0.1, msm8916 Board, XT1562) Why do I want to limit charging ? ( Let's leave out whether my reasons are valid or not and accept that I want to, if you ...
0
votes
1answer
1k views

YouTube app holds a long wakelock. What app settings can I change to keep it from doing this?

I am using an HTC Evo 4g with Android 2.3.5 Gingerbread. I'm trying to deal with apps which keep my phone from entering sleep mode, and the YouTube app is a major offender. With downloaded apps, ...
7
votes
0answers
2k 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 ...
2
votes
2answers
377 views

Why is “mdnsd” draining my battery and how to stop it?

This process (mdnsd) had been draining my battery for a few weeks. I have not been able to find a solution after a lot of search. I don't have any drone app, Facebook app or Firefox, although it's ...
0
votes
0answers
20 views

New Samsung Note 9 battery charger compatibility

I just bought a new Samsung Note 9 (Exynos 9810). Little did I know that the model I ordered was the EU version and not the US version, so the charger I received was unusable with any of my power ...
11
votes
3answers
6k views

Ideal charging / discharging percentage for maximum battery life?

One of my friends has a relatively new Samsung smartphone. He has this app that notifies him whenever the charging is up to 80%, and tells him to unplug the charger. He tells me that it will increase ...
0
votes
0answers
15 views

What is solution for automatic battery draining?

I'm using Asus Zenfone Max Pro M2. Running on pie. It has 5000 mah battery. It should long last upto two days. But hardly getting one day battery backup. Even for minimal use. And battery ...
0
votes
1answer
1k views

Full Charge Notification

When my battery is fully charged I would like a Notification Sound. It used to make a certain tone.I went to my settings, and tried to find it there but it gave me no information to do it. I tried ...
38
votes
6answers
70k views

How can I find app name by UID?

In "battery history" I have found that the app with UID 10058 is using a lot of battery. How can I find the name of the app with UID equal to 10058?
0
votes
1answer
2k views

How do I determine exactly which process is draining my battery?

Every since installing Android 6.0.1, my phone runs very hot and my battery drains crazy fast. With a little trial and error, I eventually determined that at least one process called AtFwdService was ...
0
votes
0answers
11 views

How to to do background restriction to all possible apps in Adaptive Battery?

In Settings > Apps, we can tap each app and apply battery background restriction. But, how to to apply background restriction to all possible apps in Adaptive Battery? Is it possible via an app or ...
0
votes
0answers
18 views

Battery Protect overrides Do Not Disturb no visual notifications

Android Pie v9 (also occurs on v8) Charge phone at night during winter. When the inside ambient temp drops to 12c or lower the large bright white battery protect notification illuminates the display ...
1
vote
1answer
2k 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
0answers
14 views

Galaxy S8+ occasionally gives off a brief 5 tone signal. Why?

After two years of use my Samsung Galaxy S8+ split open. Samsung original repair shop told me the battery had swollen and changed it one week ago. The phone works, but it now gives of a signal (~5 ...