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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]

0
votes
1answer
64 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 ...
2
votes
3answers
2k 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
vote
1answer
42 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 ...
1
vote
0answers
179 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,...
1
vote
1answer
680 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 ...
2
votes
0answers
606 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 ...
1
vote
0answers
677 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
votes
1answer
455 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
votes
1answer
95 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? ...
0
votes
0answers
85 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
votes
1answer
45 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
votes
2answers
20k 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
votes
3answers
458 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 ...
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
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
votes
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 ...
0
votes
4answers
6k 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
vote
1answer
93 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 ...
2
votes
2answers
2k views

Calculate phone's battery capacity

I found this product (check the product here) on Amazon. Can this product be able to calculate the power of my phone's battery if connected to the USB port of my phone? I want to check the original ...
1
vote
1answer
201 views

Google App & Google Play Services Draining Battery in Cyanogenmod

I have an old Sony Xperia Z I want to use in my car to use Spotify/ Google Maps/ Google Navigation/ Android Auto. The phone is running Cyanogenmod 13.0-20161219-NIGHTLY-yuga / Android 6.0.1 (...
2
votes
0answers
663 views

adb shows different battery capacity

My device is Coolpad Note 3 and it's 15 months old. Recently, I've observed that the battery suddenly drops randomly to 20-30% and shuts down. When I plug it in for charging while it's powered off it ...
0
votes
0answers
31 views

Battery misinformation

I have a Droid Turbo (called Moto Maxx here in Brazil) which started to show a strange behavior. With normal use, its battery decreases til 53% percent, and the phone power off suddenly. When the ...
0
votes
1answer
216 views

Music Players with Equalizer Almost Killing Battery on nubia

It's a nubia Z9 max Elite (NX518J) equipped with Qualcomm's Burndragon 810 SoC running nubia's stock ROM. I just installed and tried out Poweramp and it's amazing. However my phone got hot ...
2
votes
2answers
690 views

Low battery temp and wont charge galaxy note 5 after phone got wet

The top of my Note 5 was wet, I dried it off and placed the phone in rice. 2 days later it began working again, 2 days after that I received the error msg that charging is paused due to battery temp ...
1
vote
0answers
369 views

Battery drains on airplane mode when there is no cellular reception

I always turn on the airplane mode on my phone running Android 5.0.2 before I go to bed. It's working great as there is at most 10% drop in battery percentage(usually around 6%). I have noticed a ...
1
vote
0answers
398 views

Android Wear causing battery to quickly drain

I'm currently using a Zenwatch first generation alongside a Samsung Galaxy S6 Edge on Android 6.0.1. Both devices are always fully updated. The problem is that when my smartphone is connected to the ...
2
votes
0answers
42 views

Disbale charging of phone by outlet

Is there any way I can disable charging by outlet in my phone by some software. Kids keep making toy of my phone and I better have excuse that phone is discharged and not charging.I have android 7. My ...
1
vote
0answers
124 views

How does Android measure app battery usage? [duplicate]

Are there hardware sensors that work out how much power is being drawn from each part of the phone? Say you're using an app, but there's something being downloaded in the background. How does it know ...
0
votes
1answer
584 views

Power management : Configuring Battery cutoff voltage

I've been looking so far without any result yet. What and where are the configuration files editable to change anything about the power management, specifically, the cutoff voltage ? Any hints will ...
0
votes
2answers
72 views

How to stop power intake when completely charged?

Is it possible a process should run in the background of Android OS, and the only task of that process is to stop the power intake to the device when the battery is completely charged?
0
votes
1answer
336 views

How can you measure your battery drain rate?

Even turned off and with no background apps, my battery drains FAST. I would like to know how fast my drain rate is compared to other phones to find out if I should replace the battery. What are some ...
1
vote
0answers
39 views

Any reasonable answer for huge battery discharge when device is off?

Nearly three years ago I have asked this question. It brought certain attention, but no answer. Of course there is no change in Nexus behavior and device discharges its battery up to 30-50 times ...
0
votes
0answers
20 views

Lowest temperature that sensors can measure

So I've doing some work and phone wasn't in my pocket but in room where temperature was low (let's say about 3°C) I was curios what phones battery and cpu temperature sensors say and you see what they ...
1
vote
1answer
105 views

Battery drainage is pretty high

Ok so, my screen battery draining stats is 122%, Android system 52%, Android OS 27%, Media Servers 25%, and suprising ly my games 25% or below. How to fix this? Cause if you combine all the ...
1
vote
0answers
45 views

consuemd power for Android phones in adhoc mode

I want to know the following information: 1-The consumed power by the smartphone when send/receive beacons when connecting with other device in adhoc mode. 2-Is the consumed power is the same for ...
0
votes
1answer
247 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 ...
0
votes
0answers
43 views

Related to Battery Charging

I noticed sometimes in my android device. The battery status is about 10-15%. When I plug it with its charger, it changed instantly to 85-90%. Later on, it goes to 60-65%. My android device is 4.4....
1
vote
1answer
1k views

Calibrating/Correctly draining an Extended Battery

I recently purchased an extended battery for my ailing Galaxy S4. It's supposedly rated at 4000 mAh over the previous 2600 mAh OEM battery. First time I threw it in, I turned on the phone, chucked in ...
0
votes
1answer
58 views

Safety of a Galaxy Note 7 with a non-factory battery

Backstory The now-infamous Galaxy Note7 was recalled by Samsung twice (and finally completely canceled) for its exploding batteries. After Samsung's long investigation into the cause of the explosions,...
9
votes
2answers
24k 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 ...
1
vote
3answers
2k views

Are battery monitors accurate ?

I use GSAM battery monitor. i have flashed a few roms, I get this reading: ~91% battery. 460ma current consumption with regular use(full brightness). 3:40 hours time left(avg last 5 minutes). ...
3
votes
4answers
3k views

Relationship between CPU Usage and Battery Usage

I'm comparing the resource consumption of two Android Apps. App A uses accelerometer App B uses both accelerometer and gyroscope After reading these sensors, these apps does some processing on ...
0
votes
1answer
175 views

Samsung s7 battery drain

So my Samsung has been extremely overheating and not holding a charge. It went from 80 to 30 in under a hour. I checked the battery usage section in my settings and it say "10378" is using 81% of my ...
0
votes
1answer
71 views

Battery went from 85% to 32%

I have two cell phones, one is for work the other is personal. I had them stacked on top of one another on my desk. All of a sudden my work phone went completely dead from about 75% full, and my ...
1
vote
1answer
1k views

Can you charge a Quick Charge 3.0 phone with a Quick Charge 2.0 mains adapter?

The Wileyfox Swift 2 is QC3.0 enabled, but the only trusted brand adapter I can get is QC2.0. What happens when you charge a QC3 device using a QC2 adapter? I noticed several other questions on this ...
1
vote
0answers
1k views

How to disable auto shutdown on low battery?

I'm using a custom ROM (danielpinto8zz6's Cyanogenmod 12.1 build for the Xiaomi Redmi Note 2, in case anyone is interested) and there's an issue with what I guess is the coulomb counting profile. The ...
1
vote
0answers
29 views

Phone is booting with a specific battery on Samsung Galaxy S3 with CyanogenMod11

Yesterday my Samsung Galaxy S3 fell and shut down. I have tried many solutions to turn it on but the only thing I could do was to enter download mode. Today I tried to replace its battery with my ...
-1
votes
1answer
194 views

How can I check my battery health (do I need a new battery)?

Is there a way to see if my android phone needs to have it's battery replaced?
0
votes
1answer
392 views

Idle device and inactive phone consuming too much battery

I just bought a brand new Zonda a450 with android 4.4, i was quite surprised when the battery started to drain too fast, even taking a photo with flash could take 3% of the battery instantly. I ...
1
vote
1answer
222 views

Why do widgets disappear after running out of battery?

After phone shutting down by running out of battery, when I start it again all the widgets disappear. At first I thought that this is a problem of my launcher (Apex), but even the native one (...