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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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32 views

Is battery temperature reading, dependent on the ROM that is installed on the phone

On my original Android installation, the battery temperature was 31-37°C depending on what I was doing. Now I've installed a custom ROM and the temperature is usually 35-41°C. This 4°C difference is ...
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0answers
25 views

Is this normal? My Samsung Galaxy S8+ went from 100% to 42% after 12 of 14 hours of little to no use

I mainly just used it for NFC pay and messing around with bixby/google assistant for like max 10/15mins. Samsung power saving mode has been on the entire time. I haven't had a new phone for a long ...
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0answers
261 views

How to make Battery Saver Mode settings permanent?

And I have set my Battery Saver Mode settings as follows: $ adb shell $ su # settings put global battery_saver_constants "animation_disabled=true,vibration_disabled=true,adjust_brightness_disabled=...
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0answers
35 views

Phone dying at 23% charge

I changed the battery of my OnePlus one (original and new, from EBay). Everything went well, the new battery seems to do its job. But now my phone keeps turning off and vibrating at 23% charge.... If ...
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1answer
272 views

Prevent disable power saving while charging [root]

When I plug my phone to solar cell cpu optimisation turns off and the speed of discharge increases severalfold. How to prevent cpu always on when phone charging? Phone: Rooted Samsung Galaxy S III ...
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0answers
22 views

How to know power consumption at the moment?

From time to time my Samsung Galaxy S7 is starting to consume a lot of power, turns hot and eats 10% of charge in minutes. If I have less than 10% charge, it kills itself even if on external power. ...
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1answer
41 views

Samsung phone charges poorly, periodically

My Samsung S8+ has started having periods when it does not keep up 100% charging when connected and in simple editing usage. If I leave it idle it charges slowly and the "charger beep" occasionally ...
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1answer
1k views

Stop Android from killing Runtastic

Runtastic is an app for tracking the paths you ran, how fast you were, etc. It worked great for me for many years but almost 2 years ago started crashing on virtually any run. A few months ago, I ...
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0answers
36 views

Restart charge from powerbank on rootet phone

A have rooted android 4.3 device and charge it from power bank. Charging stop after 100% and not continue after phone discharged until i unplug and plug again usb connector or push butoon on powerbank....
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0answers
81 views

moto G3 turning on automatically when power is plugged in

I am not able to turn on moto G3 as it tries to automatically turn ON when plugged in, eventually remaining at 0%. It's a 3 year old phone and it turn off abruptly sometimes maybe battery issue. But ...
0
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2answers
138 views

how to block an OS app popup?

Something on my smartphone sends a message once a day, sometimes I see a tiny fast dark background popup on the bottom saying it is doing so. Such application seems related to the SIM card, as the ...
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1answer
54 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 ...
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0answers
19 views

Can I safely power on my Moto G2 LTE without the camera hw module?

I have recently dropped my phone and the flashlight and camera suddenly stopped to work. I suppose this is an hw failure, so I have ordered a new module. Meanwhile I noticed a huge battery drain (-25%)...
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1answer
66 views

Does the average cellphone battery protect against overcharging or deep discharging?

It's known that Lithium Ion batteries are damaged by overcharging or deep discharging. While I've seen an Xposed module which prevents the phone from charging the battery above 90%, I'm wondering if ...
0
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1answer
4k views

Wileyfox Swift won't turn on

My WileyFox Swift phone's battery somehow emptied itself overnight and now the phone won't turn on at all. Battery is 68% full. When I plug the charger cable in/out the phone vibrates and the ...
3
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4answers
11k views

How to limit charging to 60%

My UleFone Armor 2 has 4700 mAh, but I would like to limit it to 60% to reduce battery ag**g. The battery in more and more phones is not user-replaceable thanks to Apple's toxic influence on the ...
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0answers
60 views

What is the impact of (slow) wireless charging vs (slow) wired charging on the phone battery?

Can someone give me some feedback related to BATTERY LIFE in terms of wired vs wireless charging? I already know that fast charging CAN reduce battery life. Do we have any info on wireless charging? ...
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0answers
1k views

Battery drains very rapidly on my phone (Oppo F1). What could be the reason? (Please read details before answering)

There are no apps running in the background (I recently factory reset it, no third party apps have been installed except one or two; and I am sure they are not the ones draining battery) and I have ...
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0answers
45 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
335 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
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1answer
4k 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 ...
1
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1answer
851 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 ...
0
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1answer
20 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
241 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
23 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
84 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
votes
2answers
6k 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 ...
1
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2answers
117 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 ...
1
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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 ...
1
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0answers
85 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
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1answer
999 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
393 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 ...
0
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0answers
171 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. ...
0
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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
660 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
43 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
votes
1answer
265 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 ...
0
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1answer
34 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
60 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
5k 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°...
0
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1answer
536 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 ...
0
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1answer
76 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 ...
0
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1answer
43 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
106 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?
0
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1answer
357 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
66 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
498 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 ...
0
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3answers
224 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 ...