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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0answers
73 views

Which process is locking the camera?

There is a problem with my UleFone Armor 2 with Android 7.0 Nougat: After using the camera some times, it stops working due to the inability to connect to the camera. I tried killing the camera ...
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0answers
384 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 ...
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2answers
7k views

What resets the battery stats

I'm looking at the "Battery" section under "Settings", and there's two major sections: a graph that shows how full the battery has been over some period Which apps have used the most battery power ...
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1answer
1k views

Wifi using power even if it off

I am using Lenovo P2 having Android 7.0. It having 5100 mah battery. In the battery usage I noticed that the wifi using power even if it turns off. I did a factory reset. But still have the same ...
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1answer
22 views

Moto G4 Play Churning Through Batteries

I have a G4 Play which I used the @#(* out of for nearly a year, until I dropped it into the toilet for 2 or 3 seconds before getting it out. The battery and SIM fell out and I put it in rice for the ...
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0answers
280 views

Shell: get battery voltage_now if power were not connected

I am trying to make my device stop charging (echo 0 > /sys/class/power_supply/battery/charging_enabled, the easy part) when the battery's voltage reaches 3920000 µV. Using cat /sys/class/...
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0answers
27 views

Enforce power saving mode for powerbank charge

If I charge my phone from wall, disabling power saving is no problem. But for a portable powerbank, I would still like power saving enabled. How can I enforce Android to keep power saving on during ...
1
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1answer
125 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 ...
2
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2answers
8k views

How to tame “Phone Idle” battery drain on unrooted device?

I use AccuBattery and Kaspersky Battery Life to measure energy consumption. Kaspersky Battery Life shows, that all the tasks use minimal energy. AccuBattery Pro shows, that phone uses 5-10 mAh. This ...
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2answers
136 views

Significant battery drop/reboot, but only in cold weather (+5°C/+41°F) with camera - expected behaviour or battery defect?

Disclaimer: This is not a duplicate, I've looked at these questions but none are applicable(temperature) or provide an adequate answer. Recently I've realized that my 15 month old LG G4 seems to ...
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1answer
37 views

Improving horrible screen-on battery life

My HTC 10 is doing horribly when it comes to screen-on battery life after its update to Android 8.0. Average screen-on battery time is 1 hour and 15 minutes. I've tried most I could: turning off ...
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0answers
90 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 ...
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1answer
1k views

Replacing a new capacity battery and re-calibration

I am using redmi 2 for about 3 year and it's battery is dead. It was using 2200 mAH battery. So I went to local vendor and bought a copy battery with the rating of 2000 mAH. Now the new battery ...
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1answer
36 views

After moving files to SD card, mediaserver keeps drinking battery juice until next reboot

Even if I move just one voice record (.ogg) or movie/picture file towards the SD card, the Android mediaserver/system_server keeps draining the battery, 2% per minute, and heating the device up ...
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0answers
445 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 ...
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0answers
186 views

Samsung Ace 4 Unable to charge message, but it does still charge

I have a problems with my phone. The phone dropped and since then I got an issue with charging it. When I plug in the charging cable I get the following message: "Unable to charge. Charging paused. ...
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1answer
36 views

Is there a way to get device battery and memory stats remotely?

I am searching for a way to get the device battery and memory statistics of my friend's device on my phone/web (definitely with his permissions, i don't intend to hack his device). Is there any web or ...
0
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1answer
690 views

Galaxy note 8 battery drain with mobile data

I've confirmed that battery drain issue in my Note 8 is because of mobile data and hotspot. I have evidence. Here is battery usage with mobile data and hotspot ON. AOD was OFF As you can see it ...
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0answers
44 views

Is there a way to detect if there is a power management issue with an android phone?

Is there a way to detect if there is a power management issue with an android phone? I'm rooted on KitKat if that helps. The phone in question is a galaxy note 4 if it makes a difference. The ...
3
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1answer
290 views

Android is draining the battery on Kitkat 4.4.2

I have a little bit unusual case of Android draining the battery. Mobile: LG40, Android: Kitkat 4.4.2 Mobile phone was never connected to any data network (wifi or GSM). No updates, no new apps, no ...
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1answer
35 views

How does Android keeps track of how much battery each specific apps used?

How does Android keeps track of how much battery each specific apps used? For example, if you go to battery usage on android phone, it will say something like: Display 70% Whatsapp 25% Browser 3% ...
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0answers
61 views

What's the problem with my battery?

Well some people here have came across this question I posted few days ago. I want to inform them that I had to reflash my phone (and I'll edit the details there as recommended by @Izzy) Device: ...
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2answers
10k views

What does Discharging means on battery?

So I checked CPU - Z then I saw my battery status is discharging Which scared me a little so I am here to ask..what does it mean? Technology: Li-Ion Health: Good Voltage: 3722mV Temperature 32.0°...
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1answer
563 views

Clearing the notification about battery issues

My android doesn't understand why I carry my phone. It thinks that if Outlook and Skype are running all the time (so I can get push notifications) that it's a waste of my battery, and the thing to do ...
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1answer
88 views

Phone shuts down at about 30% battery. When booted back up, it's at 1%

I'm having weird problems with my phone. I'll be using it normally, but at some point during my day, my phone is gonna shut down by itself. When I open it back up, the battery is at 1%, when not even ...
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1answer
47 views

Switched off device is kept charging for a long time? Is this okay?

Is it harmful for a switched off device to be kept charging for a long time? If yes, I would like to know why. (Not a very deep explanation but just a plain explanation as I am not an expert).
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1answer
112 views

SIM card detection and Battery Drain - MI Redmi Note 3

My MI Redmi Note 3 is not detecting the SIM card and the battery is getting drained in 15 mins simultaneously. Cannot connect to Wi-Fi too. Any solution?
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1answer
480 views

Battery slowly charging on Tab S

I have a tablet Samsung SM T-805 (Tab S 10.5"). Also I have Samsung A5 2016 phone and original Samsung adapter (2A 5V). I had custom OS installed on my tablet. At some moment it became to charge ...
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0answers
68 views

How to disable charge waiting time Alcate 9024w

My Alcatel A30 tablet 9024w is a great tablet but it has this issue. If i let my tablet die it will be 20 minutes of charging until i can use it again. I would like to disable this self-imposed ...
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0answers
3k views

Cell Standby draining 71% of battery?

I have Droid Turbo I am having issue with battery draining about 70% by cell standby which is a huge percentage . Of anyone have issue same want to share. Thanks.
2
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0answers
563 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 ...
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3answers
252 views

Phone hot and battery drain when walking or driving

I've noticed a very strange behavior on my phone. Every time I move out of my house walking or in the car it starts to get hot and drain battery. Google play services become on top of consumption. I ...
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1answer
70 views

How should I disable wave animation

I have seen in my device running Lollipop that, when charges get below 15% the device get into Battery Saver mode, in which all the animation of the Android get disabled (like, Wave animation). So, I ...
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3answers
3k views

How can I find if I have a rogue background process killing cpu and battery?

On my Android phone (Sony Xperia Z3 Compact), I have a situation where it sometimes goes very sluggish, and the battery drains quickly. This seems to happen after roughly once a day, and lasts until ...
1
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1answer
44 views

Battery Charges OK after full discharge, but only once

I am using a Samsung Galaxy J5 Prime smartphone. My battery recently started to show up (I would plug in the charger, and it would charge, but the meter would become stuck). One full discharge solves ...
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0answers
184 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,...
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1answer
794 views

Is extreme battery saving possible on Android?

What is the most extreme battery saver method out there? I don't need anything (location, data, nothing) except phone calls when my screen is off. I know of greenify but even that's not good enough I ...
3
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0answers
672 views

Difference between “unmonitored apps” and mDeviceIdleWhitelist

I've got a Galaxy S8 and have come across an interesting situation. Now, either something strange is going on, or I've got no clue how it actually works! I've downloaded an FTP Server app on my phone ...
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0answers
778 views

Unknown process in Battery usage screen

Recently I found this unknown process (shown without process name) is consuming substantial amount of my phone battery but couldn't identify what process it is. Can anyone throw me some light? Phone ...
0
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1answer
585 views

Turning off true black pixels (#000000) for LCD?

Is there a way to turn off black pixels on LCD screens, similar to how AMOLED devices turn off these pixels? I've tried those pixel-turn-off apps, but they turn off all pixels within a certain grid, ...
0
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1answer
104 views

Removeable battery-like “thing” that provide unlimited power for android phones

Is there this "thing", that have the shape of your android phone's battery, but does not hold any charges, and act as a unlimited power supply for your phone when your phone is plug into a socket? ...
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0answers
97 views

Can I run my phone from USB power and remove the battery? [duplicate]

I have an old Mediatek phone running Jellybean, and it works but the battery is rather bloated. I keep it hooked up to a USB charger, and while it works I'm worried that the battery will catch fire. ...
0
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1answer
46 views

Power saver or shutdown - which conserves charge better?

If I want to leave my phone undisturbed for a few hours but want to conserve as much charge as possible, should I leave it shut down or in Android's power saver mode. Also say I want to check the ...
13
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2answers
24k views

How to use android phone without battery?

Some android phones have removable batteries, and others are non-removable. It is the battery capacity that makes the device alive for hours. Also, the device can be used while charging. My question ...
2
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3answers
462 views

Battery Popup at 25% english with system in spanish. Possible malware?

First of all, I know this question is duplicated, (this is the original question: Battery Popup at 25% ) but I can't comment or add any reply and I have some information that could be useful to ...
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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 ?
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0answers
1k views

25% battery warning popup [duplicate]

I know this is a duplicate of past questions... But I've tried the suggestion in the first question and it didn't work. And I can't reply to the initial post, so I have to make a duplicate. My power ...
6
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3answers
16k views

Battery Popup at 25%

I seem to have run into a bit of a challenge on one of our Android/Samsung devices... On the device, regardless of what's open, when the battery reaches 25% on discharge, the below screen pops up ...
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4answers
8k views

Which app uses my GPS

I have discovered battery drain and it is caused by GPS but I don't understand how is that possible when my location is turned off and location permission is denied for every app installed and also ...
1
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1answer
106 views

Reboot drops battery by 2% each time

I have installed custom ROM, Official Lineage OS 14.1 on my Redmi 1S. I used to reboot device sometimes. And, I noticed that each time after reboot, battery percentage reduced by 2%. I also, tested on ...