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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1answer
659 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 ...
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2answers
73 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?
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1answer
350 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 ...
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0answers
40 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 ...
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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
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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 ...
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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
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1answer
248 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 ...
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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....
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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 ...
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1answer
59 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,...
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3answers
26k 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 ...
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3answers
3k 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). ...
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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 ...
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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 ...
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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 ...
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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 ...
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0answers
2k 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 ...
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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 ...
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1answer
206 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?
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1answer
404 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
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1answer
224 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 (...
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2answers
384 views

How should I charge my phone ( avoid fast charging)?

I've recently got a new Samsung Galaxy A5 (2016) running Android 6. It's great, but I'm not sure how to charge it properly. By using the charger that came with the phone I get a notification saying "...
-2
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1answer
30 views

If I used for charging sumsong for blackberry it not charge properly why? [duplicate]

If I used for charging sumsong for blackberry it not charge properly why? also is it effecting life of the battery?
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0answers
135 views

Weird battery behavior with new battery - Moto x 2nd gen

I have a Moto X 2nd gen (2014) that I got about 2 years ago. The battery has been failing recently and was dying at around 20 to 30%. I ordered a new battery on ebay that claimed to be genuine (It's ...
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0answers
58 views

Samsung Tab 2 7.0 model GT P3113

Recently I bought a replacement battery off trusted internet supplier, came with kit to remove back, and a short video to advise and old guy how to do it. All went well until I plugged in to charge up,...
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0answers
566 views

Can anyone tell me what the pictured android process “99011” might be, and why it is draining so much battery?

Clicking on the process gives no further information about it unfortunately.
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3answers
81 views

HUGE battery drain GS7E

So, as I say in the title, I have a GIANT battery drain proble: the battery will lose like 30-60% while idle and in airplane mode. Same but worse when listening to music (Spotify and LTE). Yesterday ...
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1answer
109 views

App turning my WiFi on?

Due to the time it happens, I'm highly suspicious about WhatsApp and the Drive upload function. I put my phone in Airplane mode before going to sleep, and this is what I see the day after. Note that ...
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0answers
59 views

Why isn't my Android not charging at night?

I have a Motorola Turbo 2. It's not charging properly at night. Yesterday I woke up and the battery was at 1% even though I had it looked up to the charging cable. Last night my phone was fully ...
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1answer
873 views

Android system battery drain

My android phone has heavy abnormal battery drains coming from Android system. 2000mAh and above on a single charge! I know for certain this is a software issue and not hardware. Before I hit the ...
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0answers
257 views

Nexus 4 drops connection to sim card when battery is low(ish)

For a few weeks now, my Nexus 4 (Android 5.1.1, stock rom) has occasionally lost the connection to the sim card. It won't have any connection to a network (indicator in the status bar is an empty ...
1
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1answer
297 views

Battery optimization not selectable in Cyanogenmod 13

I just installed Cyanogenmod 13 and a couple of Google Apps (the OpenGApps Micro Package) on a Nexus 4 mako Device. Trying to disable battery optimization for some apps, I found that in the batter ...
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1answer
74 views

battery draining when developing

I am connected via an USB port and have the screen constantly on, with the lowest brightness settings - by using the Lux app, that lowers that below the allowed level, making the screen barely visible....
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0answers
208 views

How much voltage does “Sony Ericsson Live with Walkman (WT19)” needs (for replacing the charger)?

I need to get a new charger for my phone, wich is a "Sony Ericsson Live with Walkman" and mine is WT19a, in the wiki article says there is another model called WT19i. I need to know the exact voltage ...
2
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2answers
339 views

Samsung galaxy S4 not charging

One day my Samsung stopped charging, as to my battery was swelling up. The following day I bought a new battery and it is still giving me the same problem. It does not charge or show any sign that it ...
2
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0answers
76 views

Force Android to get the most out of a power bank

In a sad case of "two smarts make for a stupid", my powerbank is trying to adjust to the power needed by my Galaxy A3, while the phone, probably trying to do the same, settles for a low amperage. As ...
2
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1answer
52 views

Are there any background data limits on Android API < 21?

As I know Android has two ways to stop the background networking: Restrict background data - user can turn off the background data on any application Power Saver Mode - stops the background data on ...
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1answer
2k views

How do I determine exactly which process is draining my battery?

Every since installing Android 6.0.1, my phone runs very hot and my battery drains crazy fast. With a little trial and error, I eventually determined that at least one process called AtFwdService was ...
1
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2answers
2k views

Galaxy Note 4 turns off at about 15% remaining battery capacity

I've been using my Note 4 for more than 2 years now and I'm absolutely happy with it, except for that one issue: the battery indicator on top does not match the real remaining capacity of the battery. ...
1
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0answers
425 views

Asus ZE551KL Wifi Battery Drain when turned on but barely using it

I recenty bought an Asus Zenfone 2 Laser (ZE551KL) with Marshmallow. Battery wasn't good from the start but it got worse and worse, mainly because Wi-Fi uses up to 2/3 of a full charge. I don't watch ...
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2answers
280 views

How to kill/exit/close any app completely? EXPERT ADVICE [duplicate]

Is there any way to kill a app completely JUST like Windows 7 where i can exit any application completely or prevent autostart by going into "msconfig". How to kill/close an app so it does not bother ...
11
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3answers
6k views

Ideal charging / discharging percentage for maximum battery life?

One of my friends has a relatively new Samsung smartphone. He has this app that notifies him whenever the charging is up to 80%, and tells him to unplug the charger. He tells me that it will increase ...
2
votes
1answer
397 views

What else might be causing battery drain on my Android 6.0.1?

My Galaxy SC-04F, not rooted, recently upgraded to Android 6. Since then, it runs really hot and the battery drains very fast. I looked for solutions on the net, and I found two suggestions: Clear ...
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2answers
331 views

Android shuts down when unplugged

I have an HTC One m8. It's running android 6.0. If I attempt to boot up the phone it instantly shuts down when reaching the Google Logo. If I plug it in to a power source (AC/usb), it lets me boot, ...
1
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1answer
90 views

Probably blowed up batery or smartphone with multimeter

First, I turned off my LG-D280N and removed battery. Set the multimeter into 20VDC (next is 2VDC) and correctly checked battery pins and checked the voltage. Next, I checked pins on case, set "diode ...
0
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1answer
882 views

My LG LEON battery dead?

I was charging my LG LEON and it suddenly turned off with a 0 percentage of battery, then when i tried connecting it to the charger it didn't wanna charge. I tried with five different chargers and ...
0
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1answer
55 views

Calibrating 2 batteries

since I own 2 batteries for my G3 and one of them isn't working properly, I wanted to calibrate both of them. I've just calibrated my extended 5200 mAh battery and it seems like it lasts longer so I ...
1
vote
2answers
6k views

HTC One M8 resets some settings every time battery dies

Every time my HTC One M8's battery dies, which is roughly once every two weeks, when I charge it and turn it on, a large portion of random settings or configurations are reset to default on the device....
2
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0answers
143 views

“10387” using up battery

I have absolutely no clue what this process is. I've never seen it before, and I check the battery usage tab a lot. I'm worried it's a virus or something, although I do have CM Security installed, I ...