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

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5
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1answer
86 views

How to measure battery capacity (mAh)?

I've bought an Andoid device (Motorolla Droid 4) online yesterday, the seller claims that it's 3300 mAh (and that's one of two reason why I bought it), but when I receive the device and check it, ...
0
votes
2answers
42 views

How can I edit my lockscreen so to prevent myself from accidentally opening the Camera app?

I have an Archos Helium 50 phone running Android 4.3. It often activates the Camera app while the phone is still my pocket. Plus, since it's dark inside my pocket, it activates the flash — and ...
1
vote
2answers
273 views

How to care for a lithium-ion battery so that it will remain useful for as many years as possible

My question I own an Android smartphone with a lithium-ion rechargeable battery. I want the battery to remain at least somewhat useful as long as possible — even for five or ten years, if such ...
3
votes
0answers
50 views

How can I diagnose the battery issue?

My phone's OS is cyanogenmod 12.1 with Android version 5.1.1. Recently I found a battery drain. I set up the airplane mode but after a night the battery went from 100% to 41%. I viewed ...
0
votes
0answers
6 views

can't do battery checks

On my Sony Xperia E C1505, I can access the service menu via dialing ##7378423##. If I then got to the tests menu, I can test the battery. However, the start level is at -1% somehow, meaning I can't ...
0
votes
1answer
17 views

Karbonn A52+ automatically turns off constantly

I'm using a Karbonn A52+ running Android 4.2.2. I have been facing a problem, many times, in fact, most of the times, when I'm using my phone, it automatically turns off (Not when the phone is not in ...
0
votes
0answers
12 views

Stuck at battery animation…erroneously

So my LG l86c goes only to the screen with the animation of a battery charging, and only when plugged in, occasionally saying it needs to charge further in order to turn on. If I unplug it, it turns ...
2
votes
1answer
35 views

Tablet shuts down due to low battery when battery meter is above 10%

I have a Nexus 10 whose battery-level estimation seems to be inaccurate: when the battery meter gets to around 10% to 15% remaining, the tablet will abruptly shut itself down the way it's supposed to ...
0
votes
0answers
37 views

11 “Android System” running

One of them is taking up ~45% of all ram. My battery is dying even when idle and charging. I've scanned for malware on AVG and DU and haven't hit anything. I am on a Verizon Samsung Galaxy Note 4 ...
1
vote
2answers
84 views

Xperia SP looks like it's charging, but it doesn't charge

My phone is Xperia SP, it's on CM 12.1, unofficial build (because the official one is buggy due to bad kernel). It has been bought second-hand, so I'm not sure about its history (the phone was in a ...
0
votes
1answer
35 views

Google Nexus 4 suddely stop even battery is not empty

My Google Nexus 4 suddenly began to stop unexpectedly at random times. After few times I could not even boot up the OS. I could recover by factory reset wipe from the recovery mode. Unfortunately ...
1
vote
1answer
25 views

Any way to get battery usage data at finer resolution? [closed]

The biggest battery usage culprits on my phone, according to both the battery settings page and to GSam Battery Monitor, are always "Android System" and "Android OS." I also have "Watchdog" installed, ...
1
vote
2answers
167 views

Quick drain of battery in new phone huawei g play mini?

Here is a screenshot of my battery drain. Is it normal , or should I go to service center ? My previous phone had much less sloppier curve . When I bought the phone I charged it upto 100% and then ...
0
votes
0answers
32 views

how to read batterystats.bin file

How can I read the batterystats.bin file in /data/system?? I want to view some battery anomalies, but I get the junk when the file is opened (assuming encoding is associated)
0
votes
0answers
15 views

Battery.bin file needed to be accessed to assess battery issues

I wish to find the battery.bin file without rooting my phone I have some battery issues which I need to solve
0
votes
0answers
12 views

Android- Sony Z not charging

have a sony With two years. For an update to Android 5.0 I have a problem with charging my phone when it is switched off and the battery totally 0 % would normally loads, but when the phone is ...
0
votes
2answers
825 views

mdnsd drains a lot of battery power in Xiaomi Redmi Note 4G. How do I find out which app calls it to run?

I have a Xiaomi Redmi Note 4G, and for few days my battery drains as hell. I checked the running processes, and found that the cause is mdnsd. Is there a way to find which app calls this process to ...
-1
votes
0answers
14 views

Analyze Battery Graph

I forgot my phone at work,like 1 week ago(it was powered off-empty battery).So i want to know if there is way to see if someone enabled it and used it(maybe with a different battery). After a research ...
0
votes
0answers
20 views

Samsung duos 7582 getting switched off while using net

My Samsung duos 7582 is getting Switched off while using net. I am not able to use net without putting mobile on charging.
1
vote
1answer
40 views

Nexus 4 won't charge or boot (red light)

I have been reading a bunch of articles on ways to fix this "red light" issue. My issue seems a bit different from most articles as the red light does not show up when I plug in my charger. Articles I ...
0
votes
1answer
21 views

Weird battery issues

There's this phone I got, it belonged to my girlfriend's mom, but she just gave it to me since it stopped working and I wanted it. The problem is it won't charge. I'll plug it in and the screen will ...
0
votes
1answer
47 views

Android showing battery at 100% even when left for straight 10 hours in night

Just started using an Android phone and left it overnight to see how long it would last. After about 10 hours the battery is still at 100%, so could there be some kind of delay when it comes to the ...
0
votes
1answer
19 views

How to reset Battery chart

I have an Android tablet (wifi only; no cell service). Sometimes, I want to reset the chart it shows in the battery menu, so that it only shows the last few min instead of the last who knows how many ...
0
votes
0answers
36 views

Battery connector pins showing strange voltages for a phone and a tablet

I have a Samsung GT-I9003 phone and a Samsung GT-P3100 tablet. Phone is rated 3.7V 1A, tablet is rated 5V 2A. Phone has an Input:100-240V 50-60Hz 150mA Output:5.0V 550mA charger, tablet has an ...
1
vote
1answer
37 views

2014 moto x battery life

I'm experiencing an issue with my 2014 Moto X's battery running Android 5.1 and I was wondering if someone have any suggestions or something ... for example, yesterday I had about 30% left of my ...
1
vote
2answers
52 views

How can profile (log the charging and discharging current for some time period) my battery?

As the question reads, I want to log the current in milliAmpere or Ampere (both charging and discharging) over a period of time. Please note I am not asking about charging or discharging rate, but ...
0
votes
0answers
48 views

battery gets drained at a certain time

Lately I've gotten a very strange behavior from my phone: at a certain time (around 23h) the battery begins to drain, it's very annoying because I used to keep the phone on during the night (and as ...
1
vote
1answer
31 views

Wet phone, charge symbols shows, but wont turn on

My Galaxy S6 got wet and i dried it out as much as possible. When i plug it in, the charge symbol shows up on the screen and it shows that its fully 100% charged but when i press the On button, it ...
0
votes
2answers
337 views

Battery Drain from Android OS and Android System

I've got a Galaxy S5 and recently, Android OS and Android system just seem to be draining my battery. Not done anything extraordinary regarding rooting or anything, it's all stock. I can only manage ...
0
votes
0answers
24 views

Battery charge 0% on Galaxy Nexus / Android 4.3.3

I have just connected a charger to my Samsung Galaxy Nexus i9250 phone with Android 4.3.3 and for the first few minutes it showed me (on lock screen) 0% battery charge. Aside of discussion, how bad ...
1
vote
0answers
37 views

Nexus 4 red light of death. Unable to fix it (tried two possible solutions)

Using a 3-year Nexus 4, I started yesterday to suffer the red light of death issue. Firtsly, I open the unit, disconected and conected the battery, following the directions of: ...
1
vote
0answers
37 views

Android phones that don't require a battery to run properly

My Android phone apparently requires a battery in order to function. If I take out the battery before boot, it shows an empty battery with a question mark on it and refuses to boot no matter how I ...
3
votes
0answers
58 views

Does leaving a lithium-ion battery uncharged for 3-6 months at a time hurt battery life?

Does leaving a lithium-ion battery uncharged for 3-6 months at a time hurt battery life? I have seen plenty of questions and articles about the dangers of leaving your cellphone in the charger, but I ...
0
votes
1answer
26 views

Should I turn off or standby my encrypted phone to maximize lifespan

Should I turn my phone off at night or just lock it, to minimize battery usage and battery wear, and also wear to the flash memory? This question is similar to Should I keep my Android tablets' ...
0
votes
0answers
19 views

Battery getting hot on my Galaxy S3

I have a Galaxy S3. I have been using the phone as my in-car satnav, plugged into my car and haven't had any problems until the last couple of trips. After about 20 minutes or so, I get the message ...
2
votes
1answer
115 views

Does data reset wipe batterystatus.bin?

Does data reset delete batterystats.bin? Location of batterystats.bin file is /data/system/batterystats.bin. Note: NVRAM also remains in data partition but data reset does not wipe IMEI. Can I ...
1
vote
0answers
23 views

How do I test to see if a battery is good?

I have had such a nightmare with sprint. I'm not going into all the details but I ordered a battery for my htc 3d phone. I just want to get it up and running. I lost 10 days worth of texts and ...
0
votes
1answer
29 views

How to control battery usage by display in Xiaomi

I am using a Xiaomi redmi 1s phone which is of battery capacity 2050mAh. Most of the time when I checked the battery status, the screen uses about 55% to 70% of battery. Its display is of 720p. How ...
0
votes
1answer
37 views

A Bad Charger Damaged My Asus TF300t Tablets

I bought a charger set off of Amazon.When i plugged it into my tablet it flashed and rebooted and the battery shows 0% and will not charge.Also when i hook up the USB charger the computer does not see ...
0
votes
1answer
169 views

30-40% battery drain at night

I am using unlocked Samsung Galaxy S5 G900F model for 1 year. It working fine. But for 3-4 months I cannot keep my phone on overnight. It drains battery to 30%-40%. I have tried all possible solution ...
1
vote
2answers
60 views

Is there a way to leave the phone plugged in, but schedule when to actually charge it?

Under my normal daily use, my phone would have around 50~40% battery power left before I go to sleep. I don't want to keep my phone plugged in to charge over night, but I do want it to be at 100% ...
0
votes
1answer
86 views

Moto g 2 Battery is draining within 3 hours [duplicate]

My motog 2 is draining the battery drastically as fast as it can. Please help me. I couldn't carry a charger all the tym. I have consulted the customer care service they provided me two links to ...
0
votes
3answers
136 views

S4 Wont turn on unless removing battery then turns off after 2 seconds

So, my Galaxy S4 turned off randomly today during charge. I attempted turning it back on via the power button but it would not respond. Then I tried taking out the battery and replacing it, the ...
0
votes
0answers
24 views

Proving a friend that I didn't hung up on him,my battery was dead

As the title says already a friend of mine is upset with me because he thinks that I hung on him but the truth is my battery was dead. Somehow he doesn't believe me. I'm about to go crazy. Anyway the ...
1
vote
1answer
902 views

Nexus 5 crashes, battery down to 0% on Android 5.1.1

I'm currently running Android 5.1.1 (Chroma custom ROM) on my Nexus 5 and recently have been experiencing some weird issues with my battery, which have appeared more frequently in the last few days. ...
0
votes
1answer
96 views

How to run an app shortcut or a tasker task when battery temperature is above a custom threshold?

At high temperature: I can trigger an alaram using Battery Bot. Turn off data/wifi/bluetooth etc., using Battery Tasker. But I want to do many things like: Turn off data when temperature is ...
0
votes
0answers
26 views

Bettery Saver setting not sticking

In Android Settings, under Battery, there is a setting called Battery Saver. On multiple devices, changing that setting to On simply results in it changing back to Off within a few seconds. What is ...
1
vote
0answers
31 views

How can I prevent battery saver from disabling when the device is charging?

The battery saver functionality in Android 5.0 and 5.1 automatically turns itself off when the device is "charging". Unfortunately, when I'm charging my tablet from my car, most of the time the charge ...
0
votes
1answer
34 views

battery is getting discharged in one minute when it is around 30 %

My Samsung duos s 7582 is getting discharged very quickly in about a minute when the battery percentage shows in between 25 to 30 %. When the battery is fully charged it runs the mobile for 8 to 10 ...
1
vote
0answers
50 views

Is it possible to charge one discharged smartphone from other?

Suppose u are having 2 twin smartphones of same brand. one is fully charged and other one is fully discharged. My question is that Is it possible to charge one discharged smartphone from fully ...