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Questions tagged [battery-life]

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.

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4 votes
1 answer
459 views

Ascertaining damage from fully discharged android phone

I recently purchased a refurbished Pixel 8 Pro which was supposed to be in "pristine, flawless condition and looks and functions 100% as new". I do have a window of opportunity to return ...
1 vote
2 answers
268 views

Long term battery capacity degradation

I've had a Nexus 6P for about 14 months now and recently I discovered the app AccuBattery, for those not familiar one of the features is to estimate the capacity of your battery by taking measurements ...
32 votes
5 answers
139k views

How to limit charging to a user defined limit? [duplicate]

My UleFone Armor 2 has a 4700mAh battery and I would like to limit the charging to 60% to reduce battery aging. The batteries in most of the phones are not user-replaceable and I am worried that a ...
32 votes
2 answers
14k views

Don't charge the battery but use connected power to run the phone

Answers to this question Is power consumed from battery to run the phone when charging? explain how charging while phone is in use does both - charging the battery and powering the on going activities....
3 votes
1 answer
12k views

Battery drains when phone is turned off

I have a used Samsung Galaxy S3 Mini GT-I8190. When I shut down the phone the battery still drains. The longer I leave the battery in the shut down phone the more charge it looses. Typically the ...
1 vote
1 answer
142 views

Are non-OEM batteries not optimized to work on a specific model and thus resulting in poor battery life?

I am looking to replace the battery in my Samsung Galaxy S8. Amazon shows many available batteries, ranging in capacity from 3000mAh to 4350mAh, all about $20 or less. The one and only authorized ...
1 vote
0 answers
59 views

Calibrating a high-capacity battery in Android

Good day. Installed a new NOHON BN59 5000mAh battery in Xiaomi PocoF3 phone (original battery 4520mAh). According to the Aida64 application, the battery charges up to 100% (4400-4500mAh) and continues ...
4 votes
0 answers
47 views

Is this Samsung battery usage indicator broken?

idk if this site is right place place to ask the question, but i do not know how this "samsung battery usage indicator" works. You can see from last charge(95%) it used 78% till now, and ...
2 votes
0 answers
44 views

Can I change battery meter display to (actualReading/85)*100?

Can I change my battery meter to display the value (actualReading/85)*100 instead of actualReading? so when it's at 85% it displays 100%, and when it's at 50% it displays as 58%, when it's 10% it ...
1 vote
0 answers
55 views

How to avoid auto launch force stopped application in Android 13

I am using Moto G72 which comes with Android 12. I was happy with Android 12. I am using the Greenify application to force stop unwanted applications. Whenever we click the icons of the unwanted ...
287 votes
6 answers
80k views

Does constant charging harm my Android cellphone?

I usually disconnect my cellphone from the charger some time after it's fully charged because I'm afraid the battery could lose capacity over time if I don't. However, I believe modern electronics ...
2 votes
1 answer
393 views

Can I force Pixel 6 Pro to slow charge?

There are long periods of time when I know I will stay in place so I would like to be able to connect the phone to the charger and have it charge slowly to try and curb issues created with fast ...
2 votes
1 answer
3k views

How to install Advanced Charging Controller (acc) module?

I have a phone that's been rooted using Magisk. How to install something like the acc module? The instructions state running acc commands, but where from?
33 votes
3 answers
110k views

Do I have to charge my phone before I use it the first time?

When I got my last phone, a Sony Ericsson k850i, I was recommended to charge it fully once before I even turned it on. Does this apply today as well, for my coming HTC Desire HD? Why was I recommended ...
0 votes
0 answers
238 views

WiFi HotSpot Battery consumption for 2.4GHz vs 5GHz vs 6Ghz?

On my phone I can configure WiFi HotSpot between 2.4GHz and 5GHz and 6GHz, does this setting have any noticeable effect on battery consumption? (It's a Samsung Galaxy S22 Ultra, and interestingly, ...
1 vote
0 answers
40 views

Battery Calibration - Battery Percentage Going Down While Off-But-Charging (Pixel 5a)

My phone (Pixel 5a) went from 100% battery to off quite quickly, and it had been doing so. When it died from 100%, I turned it back on. It turned on, showed 0%, and died within a minute. I plugged it ...
0 votes
0 answers
23 views

Battery notification, overriding do not disturb and playing alarm at night, though settings

Many of us go to sleep with the phone next to the bed or on the tabletop next to the bed. When at night, the phone enters the do not disturb mode, and we sleep. However, it would be nice if the user ...
0 votes
0 answers
16 views

Finer control on battery running out and having to recharge it

Using a smartphone is nowadays vital to work. When my battery reaches 2%, a notification, from the bottom of the screen (this, was well thought. The battery, and battery charger is on the bottom, so ...
0 votes
1 answer
4k views

Why is my News & Weather app using so much data (and battery)?

I'm running Android 6.0 on an HTC M9. In the last 13 days, my News & Weather app has used 1.37GB of data. In that same period, Google Play Store used 1.22GB. For a few weeks now I have had ...
3 votes
1 answer
1k views

How to keep "Battery Saver" mode enabled, even when charging

How can I keep "Battery Saver" enabled, even when my device is charging? I travel a lot on multi-day excursions where I don't have access to power, so I charge my phone with a battery bank. ...
1 vote
4 answers
3k views

Unidentified app using excessive battery

I have a battery drain issue with a stock Nexus-7 (2013), Android 6.0.1, up to date with monthly patches. The battery is losing 15-20% overnight. Turning WiFi off overnight doesn't reduce it, or not ...
0 votes
1 answer
151 views

Pixel 7 lock screen timer

I would like to have the lock screen on a Google Pixel 7 to display for a specific time before powering off the screen. This should not be confused with the screen timeout (normal screen > lock ...
3 votes
1 answer
400 views

Impact of location access (global setting in device's settings) on battery power consumption when there are no apps accessing it?

I vaguely remember a post whose author stated that having a global location access setting in an off state does not discharge an antenna and it continues working in a "passive mode". So the ...
0 votes
1 answer
3k views

100% CPU load, battery drain with no app minimized/running in the background

I have a Xiaomi Redmi Note 4 S625 global variant (4/64GB). A day or so ago, I noticed a quick battery drain (from 100% to 24% after a whole night idle and 2-3 hours of heavy use the next day) and from ...
2 votes
1 answer
346 views

How do I prevent an app from running a foreground service?

I have an app that wants to run a foreground service (not configurable) but I want the regular Android power restrictions to be applied to it because the foreground service is unnecessary (I always ...
0 votes
0 answers
2k views

Battery drain caused by Android System (job.deadline and motion sensor)

Environment: Redmi Note 10 Pro, Android 13, MIUI 14. Since a pair of days I'm facing a battery drain never seen before: by a first look the culprit seems to be Android System: The fact is that the ...
9 votes
10 answers
27k views

How to drain the battery quickly?

The scenario I would want to have this is if I want to quickly drain the battery so I can charge it fully again. Some say that this will help extend the battery life by fully draining/charging the ...
3 votes
0 answers
2k views

Why does my battery still show that its damaged after replacing it

I have a Samsung Galaxy s10 that I recently had to replace the non-removable battery. The original was needing to be charged every 2 hours! I went on Samsung Members app and did a diagnostic test ...
1 vote
1 answer
101 views

How can the power saving feature on Android phones be set not to kill tracking apps?

Those who choose a simpler cyclometer consisting of only a speedometer and distance display, but that does not include a GPS tracker can use their Android smartphone quite nicely with one of many ...
0 votes
1 answer
52 views

How to chose an Android device for testing software?

The software I produce on Android isn't an app at all. It's a mathematical modelling library, built entirely with the NDK, which is tested with a command-line test harness in the ADB shell. It is ...
3 votes
1 answer
83 views

How to keep my Android phone asleep until I press the power button

When I am done with doing something on my Android phone, I put it asleep with the Power Button. I expect it to stay asleep until I press Power again, or perhaps until a phone call comes in. This is to ...
1 vote
1 answer
62 views

New battery results in strange behavior

I was having the impression that my phone (Pixel 4) battery is already low on capacity (and a battery monitor calculated a capacity of 61%) so I ordered a new one and followed a tutorial on how to ...
1 vote
0 answers
76 views

Battery low triggering by ringtones and voice in Android phones

Is it technically feasible to have this feature of Battery low triggering by ringtones and voice to the end user say when battery has reached level of 10% or 5% in android os phone devices? This ...
2 votes
0 answers
184 views

Is battery protection mode still active when the device is off?

I have a lenovo tablet that has a charging dock that it's left in 24/7 (or at least almost 24/7) I have turned on battery protection mode to preserve it's longevity, but I am unsure whether the device ...
0 votes
0 answers
51 views

What is causing Android device to turn its screen on at seemingly random times?

A friend has an LG phone running Android 6.0 (Marshmallow). Many, many times during each day (and night) the device's screen apparently turns itself on. This is causing much battery drain, and ...
4 votes
1 answer
7k views

How to permanently disable mediaserver service?

I am trying to permanently disable the notorious power hogging mediascanserver or mediaserver (whatever it's better known) service on a rooted Jiayu S3. Here are my ADB commands: su pm disable com....
3 votes
1 answer
72 views

Is it sensible to turn off the phone for charging?

I know that electronic devices, when not in use for a few hours and especially when charging, should be turned off. However, when I turn my phone off and plug it into the charger, it shows the "...
2 votes
0 answers
531 views

How can I extend the length of the batterystats history?

I am doing some power consumption analysis using Batterystats and Battery Historian. The problem that I am facing is that the length of history I can get from the phones varies widely form brand to ...
1 vote
0 answers
876 views

Between fingerprint unlock vs double-tap to wake up, what consumes more power?

Due to past experiences with power buttons, I'm trying to almost not touch the power button (side key) except left with no option. So between these two alternatives of waking up a phone: Using a ...
1 vote
1 answer
712 views

Root to set a battery limit and unroot again?

I dont have any practical experience with rooting my phone. There is one thing that's been bugging me for a very long time: I need to be able to set a charging limit on my Pixel 2 since I dont feel ...
1 vote
1 answer
13k views

How do I put only one SIM card in dual-SIM smartphone to "Airplane mode"?

In Airplane Mode, the device lasts noticably longer. The "Cell standby" shows 76% in battery settings. There are two SIM cards inserted into the device, but now I only use the second. I ...
0 votes
5 answers
31k views

Why is Youtube draining the battery and what could we do?

A friend of mine just asked me a nice question: His (stock) Samsung Galaxy S4's Youtube is draining his battery. He said, that he hasn't been in the app today, and this morning he had the phone ...
2 votes
1 answer
386 views

DNS over internal VPN?

I'm currently renting a server where I installed PiHole and PiVPN. PiHole is a DNS sinkhole that I use for blocking ads, and the PiVPN allows all my devices thanks to OpenVPN to get all my traffic ...
1 vote
2 answers
1k views

How to make an Android smartphone actually go to sleep?

When I turn the screen off on an Android smartphone, I want battery life to be conserved. Thus, I don't want any third-party apps running in the background, and I don't want the device periodically ...
0 votes
1 answer
2k views

How to debug "wlan_wake kernel wakelock" on an unrooted device?

The question is as short as the title. I've a Samsung Galaxy Note 3 & it has started showing issues where the CPU remains in lowest possible frequency (250Mhz) and it doesn't go to deep sleep. I ...
0 votes
2 answers
3k views

Battery Status problem

I recently updated my Note 8.0 Wifi from 4.1.2 to android 4.4.2, and shortly after that rooted it (But kept the stock 4.4.2, NO custom ROMs or anything...). Of course, as I knew, the battery ...
1 vote
0 answers
21 views

The cause for sudden battery discharge?

I've bought already used phone (XCover 3 VE) half a year, but I didn't use it much, now it became my primary phone so I wanted to test the battery (poor reflex on my side). So I turned off all ...
1 vote
2 answers
2k views

Battery status stuck at 15% for 2-3 hours, then jumps to 33% after a reboot

I charge my phone running Android 4.1.2 at night, wake up in the morning, pull it off the charger, about 9-10 PM it drops to about 15%. It will sit at 15% for 2-3 hours without losing a single percent,...
1 vote
0 answers
67 views

Extremely inconsistent battery life without app usage

I'm using my Pixel 2 (non-XL) rather sporadically throughout the day, most of the time I just keep it in airplane mode with WiFi (and WiFi Call) enabled, except 1-2 hours outside, plus 30-60 minutes ...
1 vote
2 answers
1k views

Why newer Android versions drain the battery faster?

I've got an Android phone whose stock Android version is 2.1. I've tried several times to install some custom ROMs (mostly Cyanogenmod-based) with Android 2.2 and 2.3. The full charged battery lasts: ...

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