Questions tagged [battery]

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

Filter by
Sorted by
Tagged with
1 vote
0 answers
27 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 ...
kando's user avatar
  • 121
0 votes
0 answers
14 views

Displaying the battery discharging notification in a larger font through settings for configurable greater chance of user charging phone in response

It would be nice if there were a way in the Android settings to display the battery discharging notification in large or extremely large letters. This is because when the notification is displayed, ...
Joselin Jocklingson's user avatar
0 votes
0 answers
15 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 ...
Joselin Jocklingson's user avatar
0 votes
0 answers
13 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 ...
Joselin Jocklingson's user avatar
3 votes
1 answer
192 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. ...
Michael Altfield's user avatar
1 vote
1 answer
65 views

Leaving USB drive plugged in to android causes battery drain even when sleep

If I accidentally leave a USB drive in my samsung galaxy S7+ it will drain the battery in a few hours even if it's not being used and the android goes "sleep". Why is this and and how to ...
user14448's user avatar
2 votes
1 answer
71 views

Is there a way to configure always-plugged-in android devices to partially change battery or NOT stay fully charged?

So I’ll apologize in advance as I’m an iPhone user for mobile and Linux for work/desktop - Android is mostly unfamiliar territory to me. I’ve recently set up 3 or 4 android devices (a various ...
ljwobker's user avatar
  • 121
3 votes
1 answer
210 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 ...
infinitieunique's user avatar
0 votes
0 answers
21 views

Operate pixel 3a XL without a battery [duplicate]

I’m wondering if anyone out there who owns a Pixel 3a XL has ever tried to operate it without the battery. I'm asking specifically about this model of phone, and am not looking for general guidance ...
Jon Worek's user avatar
  • 101
0 votes
0 answers
1k 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 ...
Dave's user avatar
  • 21
1 vote
0 answers
44 views

Are there models of smartphones designed to run on AC adapter/extern power supply permanently?

Basically, I want to use a smartphone as a fixed position audio player (and rarely for browsing), so I'm thinking, I could use a second hand smartphone for this. However, I'd like to have it plugged ...
sdaau's user avatar
  • 251
0 votes
0 answers
23 views

What just sucked all of my battery?

I got 100% of battery when going asleep. When waking up, it was 23%. I checked the battery usage, but only thing I saw was that "Google" used 10% during that time. What the heck is going on ...
Aapo Pesonen's user avatar
0 votes
0 answers
40 views

Android Battery Report

Is the Android OS battery breakdown not an exhaustive list of battery drain sources? I find that it never adds up. One time, after not restarting the phone for a month, the battery started to drain ...
klau's user avatar
  • 131
2 votes
0 answers
495 views

dumpsys battery in Termux

I am trying to get battery info in Termux. I granted android.permission.DUMP and android.permission.PACKAGE_USAGE_STATS via ADB for com.termux (Termux app) Then I opened Termux and types in /system/...
sudoer's user avatar
  • 149
0 votes
0 answers
17 views

tablet doesn't turn on, does it need a backup battery?

I would like to know if the tablet needs a backup battery to start (the device does not turn on anymore) It is an old device. thanks in advance
Andrew's user avatar
  • 1
0 votes
0 answers
95 views

My android phone drains from 100 percent to 0 percent in 20 minutes

I have been using my laptop to charge my android phone until recently when I noticed the back lid pushed to the back slightly and then the battery drains from 100 percent to 0 percent in 20 minutes. I ...
Dong Li's user avatar
  • 133
0 votes
0 answers
31 views

Is it best to charge battery only after completely discharging it? [duplicate]

Is it best, for battery life, to charge it only after completely discharging it?
Geremia's user avatar
  • 195
1 vote
1 answer
54 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 ...
WarrenFaith's user avatar
1 vote
0 answers
64 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 ...
Prashant Akerkar's user avatar
0 votes
0 answers
2k views

Does using two SIM cards in a smartphone drain the battery more?

Does using two SIM cards in a smartphone drain the battery more? If yes, what does the phone do differently to cause a higher energy consumption? If take out one SIM card, is it true that the phone ...
user628075's user avatar
2 votes
0 answers
34 views

Does having more widgets/things on screen when the screen is off or on use up more battery than if there was less?

Let's say you had a timer widget that was counting down time. If you turn off the screen, would the widget be taking up more battery than if it wasn't on screen and was just in the background counting ...
ShangWang's user avatar
  • 363
0 votes
0 answers
55 views

Phone battery rapidly discharges after reboot

So, what happens is this: I turn my phone off for the night. The next morning I start it up again, and it's still the at the same percentage. But then, within minutes, it will suddenly start ...
VV223344's user avatar
1 vote
0 answers
26 views

How would you verify Android battery stats apps?

This is more a question about diagnosing battery and battery hardware, than it is specifically about Android. If there is a better StackExchange site for this question to belong to, please tell me, I ...
TinyGrasshopper's user avatar
1 vote
0 answers
47 views

My phone is receiving ~1700mA but it's slow at charging

I have 2 Xiaomi phones that both have 18W fast-charging and receive around 1700mA while charging, but one of them takes a long time to charge (even if i change the USB cable). How does that make any ...
retr0cube's user avatar
0 votes
1 answer
145 views

Screen fading and battery icon outlined in red

I've got a new Doogee S40 running Android 9.0. A problem started when the battery level went down to 20%. The battery icon started to be outlined in red and the screen started dimming after around 5 ...
Andrew Hoseason's user avatar
2 votes
0 answers
351 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 ...
RSF's user avatar
  • 21
0 votes
0 answers
138 views

External SSD drive can only be detected when Android is on 100% battery

Android 11 will communicate with the external drive using a -y- connector, one lead to power, and the other lead to PNY 1TB drive. However, once the battery drains below 100 percent, Android refuses ...
Eric Bedwell's user avatar
0 votes
0 answers
1k views

How To Charge Android Phone In Fastboot (Bootloader) Mode?

My Android Phone Is Not Charging. Bootloader Shows The Warning Battery Low. I Accedentaly Erased /Boot /Recovery /System Partition. And Because Battery Is Low I Can Not Flash Boot.Img And Recovery.Img....
Priyanshu Jangid's user avatar
1 vote
0 answers
381 views

Bluetooth battery level not showing up in status bar

I'm using Lineage OS 18.1 and a BLE Mouse that reports its battery level. I can confirm that the battery level is reported correctly, by connecting it with my Linux computer: (See Devices: DIY Page ...
Forivin's user avatar
  • 327
1 vote
1 answer
108 views

Can I read data and IMEI of a phone that can't be powered up?

I have an old Android phone Kyocera Hydro Icon C6730, which is stuck in powering up, while being connected to the power strip. Its battery is also old and I'm not sure if it is still working correctly....
Tim's user avatar
  • 485
0 votes
0 answers
39 views

how to stop Mobile shutting down on apps using as Battery dropping from 70% to 0% in Android 6.0.1

Question:- how to stop Mobile shutting down on apps using as Battery dropping from 70% to 0% in Android 6.0.1. I have formatted my External micro sd card as internal and automatically while ...
Androidquery's user avatar
0 votes
0 answers
72 views

How to completely discharge a mobile device?

In case of laptops we should remove battery, then turn it off and hold power button for 15 seconds to completely discharge the motherboard. Whats the procedure in case of a smartphone or a tablet with ...
Ya Y's user avatar
  • 1
2 votes
1 answer
175 views

What is meant by "proportional" and "smearing" in batterystats

I want to analyze battery consumption of an app and ran: > adb shell dumpsys batterystats > dump.txt Within the filedump I found the section I am interested in: Estimated power use (mAh): ...
M.T's user avatar
  • 131
0 votes
1 answer
5k views

Battery Protect Mode: On or Off?

I have a Lenovo Android tablet that I intend to be plugged in 24/7. I have either two options: Battery protect mode OFF: the device will occasionally discharge to 99%, then be charged back to 100%. ...
E H's user avatar
  • 3
0 votes
1 answer
434 views

Badly swollen Galaxy battery - safe to handle?

I've recently found my old Galaxy S6 in a drawer, where it's been sitting for the last ~1.5 years. In that time, the battery has swollen very badly, pictures below: I need to so something about the ...
user4520's user avatar
  • 101
1 vote
0 answers
53 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 ...
Mario's user avatar
  • 176
1 vote
0 answers
50 views

Does being connected to wifi not drain any battery whatsoever if it's not being used?

I have the samsung a32 5g. I tested my phone with wifi connected while doing nothing, and it didn't move even 1 percent after an hour. Does being connected to wifi use up no power at all if it's not ...
ShangWang's user avatar
  • 363
0 votes
0 answers
149 views

Has the choice of "network mode" an effect on battery when mobile data is switched off?

I have read that 2G uses less battery than 4G LTE, especially if I don't need much data. Some sources : https://www.uswitch.com/mobiles/guides/how-can-i-make-my-phone-battery-last-longer/ Does 4G ...
ChennyStar's user avatar
1 vote
0 answers
127 views

Where to find Memos app folder in Samsung Galaxy J3

I am having a major problem with my Galaxy J3 (besides just being a J3 ^_^). The thing has been doing random reboots when in the middle of work, went to the bios screen a couple times, then started ...
J T's user avatar
  • 11
1 vote
0 answers
134 views

Android 11 October Security Update drastically drains idle battery usage

EDIT Ever since I installed the latest security patch available for my Phone (October 5 patch), there has been insane idle battery usage. More like 1% dropping sequentially whenever I'm sleeping It's ...
Mab's user avatar
  • 111
0 votes
0 answers
40 views

Android 11 - If you turn off your screen with an app open that uses data, will any data/battery used be considered background?

Let's say I open Pokemon go and was using mobile data to play it and kept the app open but turned off my screen. For the next few hours, I know battery and data usage will be significantly reduced, ...
ShangWang's user avatar
  • 363
4 votes
1 answer
295 views

Is possible to charge the battery even If I erase boot and system partitions?

Is it possible? Or the device needs at least a kernel to be able to charge? I have a device in bootloop that every 3 seconds it vibrates and I'm not sure if its does not charge because I erased boot ...
Carlos Henrique's user avatar
2 votes
1 answer
8k views

Android 11 - What exactly does "allow background activity" do?

From what I understand, it simply allows apps that are manually ran to update and send notifications faster while in the background. Is that all it does, and if so should you turn it off for most apps ...
ShangWang's user avatar
  • 363
0 votes
0 answers
26 views

Google fit - Putting app to sleep & optimizing battery usage: Do they interrupt tracking KM distance?

I'm using google fit to track my walking distance for pokemon go, and I'm not sure if I need to make it "never sleep" or not allow it to be optimized for it to work well in the background. ...
ShangWang's user avatar
  • 363
0 votes
0 answers
88 views

SD Maid installed service - Is it actually useful and doesn't take up much battery?

I found out about the app's installed service, I'm not sure if it would take up more battery by enabling it to clean memory and stop apps. Has anyone found this installed service useful? Will it ...
ShangWang's user avatar
  • 363
3 votes
1 answer
11k views

What exactly does carrier services do and should I allow it to use mobile data while data saver is on?

I'm using the samsung a32 5g. Just wondering if it's worth allowing it to use my mobile data since I'm on a tight plan and why it would be important. All I use is SMS messages, I read that all it is ...
ShangWang's user avatar
  • 363
0 votes
0 answers
71 views

Does logging into multiple google accounts drain battery/data faster?

I have the Samsung a32 5g. I'm logged into many G-mail accounts and twitter accounts, will doing so drain my phone battery and data faster simply by having them logged in? Do they do this only if they ...
ShangWang's user avatar
  • 363
1 vote
0 answers
38 views

Samsung a32 5g - Does having an app running in the foreground vs when you tab out of it when the screen is turned off take more battery/data?

In case you are confused on what I'm asking, let's say I open Pokemon go and have it running in the foreground, then turn my screen off. Will this take up more battery and data than if I tabbed out of ...
ShangWang's user avatar
  • 363
0 votes
0 answers
19 views

Do mobile coolers prevent battery from bloating?

Do any of those mobile coolers help prevent battery from bloating? or it'll just bloat due to natural aging? I'm a hardcore gamer so I play games all the time. All my previous phone tend to bloat ...
TravelWhere's user avatar
0 votes
0 answers
53 views

Show battery at 100% when it is charged to lower value?

On the Samsung Galaxy Tab S7, you can limit your battery to 85% and have it show 100% when it is at 85%. Can I somehow replicate this behaviour on my OnePlus 6 running on LineageOS 18.1 with root? I ...
lizardguy's user avatar

1
2 3 4 5
18