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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1
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0answers
443 views

“Battery too low to update automatically” message

My phone is less than a year old, and I really don't use it that heavily, but the battery life is terrible at times (not always). Sometimes, it will drain to single-digits (percentage-wise), and then ...
4
votes
2answers
29k views

Can you actually determine the mAh of a battery?

You can skip the story part but for better reference, please read it: A Little Story My phone claims it has a battery of 4000 mAh that lasts for 3 days. I got the phone, really psyched because of ...
0
votes
4answers
4k 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 ...
1
vote
1answer
10k views

battery draining problem in samsung galaxy note 2

I've replaced my damaged battery with a new one in my samsung galaxy note 2, but it drains too quickly. After fully charging the battery, when I leave the phone without using it (the screen is ...
26
votes
3answers
27k views

How can I avoid the battery charging when connected via USB?

I'm using my Samsung Galaxy S2 for development so I regularly plug it while it's not fully charged, and my phone starts charging over USB. I think this (charging while in use) can affect battery life ...
3
votes
3answers
11k views

Displaying Bluetooth gadget's battery status on the phone

I have a Bluetooth headset (BlueBuds X) which uses a battery. I want to know its battery status directly from the phone. I've looked everywhere and I cannot find a solution that isn't a scam. Is it ...
1
vote
0answers
1k views

Is there a battery cycle counter app?

I have an HTC One M7 (4.4.2), and the battery is starting to deteriorate. It may be that I have some misbehaving apps, but I'd be curious to find out the number of charge cycles my device has used ...
23
votes
4answers
16k views

What is USB debugging? Can I keep it ON forever?

Sometimes I need to transfer some music from my PC to my Galaxy S2 and must always activate USB debugging. Then I think, can I keep it ON forever? I mean, Keep it ON for ever can give me a problem ...
0
votes
3answers
5k views

Does cracked screen cause faster battery drain?

I dropped my Nexus 5 a week ago and the screen cracked diagonally 8cm from side to side. Since then I am sure that the battery drains faster than before. Previously I was always happy at how much ...
-2
votes
2answers
55 views

Does Greenify save battery usage?

My phone drains a lot of battery during the day so I was wondering if the greenify app helps with the battery problem
1
vote
1answer
3k views

Battery backup is not good after the CM12 update on Micromax Yureka

After updating to Lollipop CM12, my Yu Yureka is not giving not even 7 hours backup in balance mode. On KitKat CM11, it was giving 1.5 days backup in balance mode. Is there a way to increase the ...
2
votes
1answer
72 views

What is a canonical battery test that I can use before and after upgrading the OS version?

I am about to upgrade from Android K to Android L. Right after, I will upgrade from Android L to Android M. In a previous empirical experiment, with a now-demised device, I noticed (or seem to have ...
10
votes
2answers
16k views

How does fast-charge work?

How does Fast Charge work? Does it actually charge your device faster, and if so, Is there a downside to using it?
2
votes
1answer
107 views

HTC Rapid Charge 2.0 overheating battery

Since a few days ago I am charging my HTC One M8 using the HTC Rapid Charge 2.0 charger. It does indeed charge fast, but I have noticed that the battery gets really hot. After installing the DU ...
0
votes
1answer
4k views

Phone Radio uses 80% of my battery

I have GSam Battery Monitor, and it says that my Phone Radio is using about 80% of my battery. Why is this so high? I usually unplug my phone in the morning at 8AM, and I usually need to plug it back ...
0
votes
0answers
51 views

My Redmi 2 Prime's battery usage is inconsistent after OS reinstalls

Recently after I updated my phone to MIUI7 the battery increased from 9 hours internet browsing backup to 10 hours and 4 minutes for Internet Browsing backup. But after I tried to roll back the OS to ...
7
votes
3answers
8k views

msm_otg kernel wakelock preventing deep sleep

Ever since upgrading my stock Sprint Galaxy S3 to the official Jelly Bean release, my phone won't go in deep sleep at all, it's constantly at 384MHz. It's because of msm_otg kernel wakelock. Anyone ...
0
votes
1answer
36 views

Can't charge/power on Nook HD+

The device won't power on. The screen and status light show no indication of activity when pressing or holding the power button (or any button / pairwise combination of buttons for that matter). The ...
0
votes
1answer
53 views

Android lollipop Wi-Fi murders battery

I have an unrooted galaxy S6, Verizon, and Android 5.1.1 on it.Each night I fully charge my phone, and it never leaves my pocket after 6 am or gets used until 2 pm. At 2, the battery may be around ...
10
votes
4answers
34k views

Will constantly having Bluetooth on drain my battery too fast?

I'm thinking about making an app which will require Bluetooth to be available at all times. However, if this reduces battery charge life significantly, then that's kind of a show stopper. Can anyone ...
4
votes
3answers
213 views

What is the standard voltage and current levels for an android battery?

I am using Micromax Canvas Nitro A310; recently, I bought a new USB cable and it seems its not doing the job as required. My phone is not getting charged as it was before. Either it takes too long ...
0
votes
0answers
123 views

Nexus 5 battery drain - dropping from 50% to zero instantly Marshmallow 6.0.1

I've been having some problems with the WiFi drain issue that some others have posted on here, but yesterday I had a new problem with my battery which may be related but may be entirely different. My ...
1
vote
2answers
49 views

How to prevent brightness when battery reaches high?

I leave my phone (Samsung Galaxy 4 GT-I9506, Android 5.0.1 lollipop) charging on my table when going to sleep. It reaches full after some hours often. It is so annoying when the display becomes bright ...
1
vote
0answers
14 views

Battery life in Lava Iris X5

Am using Lava Iris X5 for the past 18 months. facing problem with battery suddenly the battery percentage is zero from 84% even after changed new battery. can you help me what the problem may occurs ...
1
vote
2answers
317 views

Battery Issue with Android 6.0

I upgraded my Karbonn Sparkle V to Android 6.0 recently. after a couple of days the battery drains quickly. hence charging the phone also takes hours. this was not at all a issue when it had lollipop ...
9
votes
0answers
284 views

Prevent complete charging?

I'm looking for a way to prevent my phone from completely charging every time it is connected to my computer. I want to reduce the battery's capacity loss, as it is non-replaceable, and it seems to me ...
0
votes
1answer
98 views

Marshmallow: Apps NOT battery optimized still seem to doze off

I have a Nexus 6P. I have disabled battery optimization for a few apps and yet those apps still seem to doze off. Specifically those apps are 1) a sip client (csipsimple and bria) and 2) pushover. ...
2
votes
1answer
98 views

How much (Idle) time is needed for “Doze” to get activated ? (Android 6- Marshmallow)

Consider a device that was left on a table, unplugged, and no movement. After sometime, the screen turns off, and the screen lock may (or may not) be auto activated, according to lock and smart lock ...
2
votes
1answer
6k views

Why Does My Samsung Note 4 Shut Off When it Reaches Around 20% Battery Life?

My Samsung Note 4 will work until about 20% battery life. At that point I usually receive the low battery warning but then it just dies almost immediately after notification with hardly any continued ...
5
votes
3answers
4k views

How can I prevent my Desire HDs battery from draining overnight?

I've recently got the new HTC Desire HD, which has a poor battery to start with (1230 mAh), but in the last two weeks I've had several nights waking up with a dead battery. The first few nights, I ...
2
votes
0answers
20 views

Bluetooth device battery life indicator unavailable

I'd like to understand why Android seems to be lacking some kind of low level Bluetooth support which iOS has. I've recently bought a fairly cheap pair of BT headphones (VTIN Swan) which work great, ...
0
votes
1answer
90 views

Android phone is turned off at 52% battery

I have got a Samsung Galaxy Grand Neo Plus with Android 4.4.4. When the phone reaches the 52%, it turns off and I can't turn on it again because the battery is at 0%! I think this could help: When I ...
7
votes
1answer
208 views

Battery Stats Are Vastly Incorrect

After updating to 6.0.1 (MMB29K) from 6.0.0 (MRA58R) I have come to face a very odd and never seen before issue. My battery stats are wildly wrong. My stats show 4k% or higher and no battery stat ...
0
votes
0answers
40 views

Droid Turbo battery life issue on Android 5.x

After my Droid Turbo got the update to Lollipop this past summer, battery life has tanked. I used to fairly easily get through a day and a half of normal (for me) usage. Immediately after the update, ...
0
votes
0answers
54 views

How Doze (marshmallow feature) work during playback?

We know that Doze mode starts the 'ultra power saving' when the device isn't moving. But what happen if we leave the device on a table playing music with the screen off? EDIT: I experienced the ...
5
votes
2answers
121 views

Bought a new battery, do I need to calibrate it?

My original battery is bloated and is dying quickly after a full charge so I now bought a replacement. Do I need to calibrate this new battery using a calibration app?
22
votes
7answers
2k views

Is power consumed from battery to run the phone when charging?

Is the power consumed from charger or battery to power the device when charging. I ask this because I want to download torrents while keeping the device plugged to charge. I want to know if my battery ...
3
votes
3answers
1k views

Battery usage problem in Android 2.3.6

Since the update to Gingerbread the battery of my phone has the half duration than with the 2.3.4 version. The "Battery Usage" in settings don't show anything abnormal. Anybody have the same ...
0
votes
0answers
31 views

Troubleshoot 6P that does not Doze

Got my 6P a few days ago, and it just won't Doze. It loses 50-60% battery overnight. The sum of percentages used by the different apps are way below this. I've installed some apps and switched to ...
-1
votes
1answer
65 views

Lg g4 battery problems

My LG g4 has recently started losing battery very quickly and it is charging slowly with its original charger, sometimes it doesn't even charge. So I want to know what caused this because I want to ...
3
votes
0answers
105 views

Why is a suspicious program draining my battery with GPS usage?

Phone : nexus 5 version 2013 Android version : 6.0 Kernel version : 3.4.0-g2aa165e Build number : MRA58N For the last few days, 10118 has been draining my phone's battery. It drains battery by ...
1
vote
1answer
63 views

How is an “average use” defined in terms of battery life

It is common to see better battery performance being touted as a selling point, when phones are announced and when they but the market. And the claim typically goes like "lasts xx hours on average ...
0
votes
1answer
275 views

How does charging battery in normal, speed and trickle affect battery life?

Battery doctor uses different stages of charging: speed; continuous and trickle (keep charging when the battery is full for some time) does this really extend battery life? and can an app change ...
-1
votes
1answer
63 views

How much impact can an SD card have in battery life?

I have a samsung table and since I bought the sd card I notice imapact on the battery. Unfortunatly I installed Android 5 by the same time (thatś why I bought the card), so its unclear if its the ...
2
votes
3answers
99 views

Is there a way to find the battery usage of apps on Moto 360?

I've been using the Moto 360 for a while now, When I started using it the battery life lasted almost the whole day. After a while of usage with couple of new apps, I noticed that the Moto 360 died ...
3
votes
1answer
2k views

Android 6.0 drains my Nexus 5 battery within an hour

So. This morning I received the OTA update for Android 6.0 on my Nexus 5. Previously had no problems with battery usage, but after installing the update my battery is drained within an hour, without ...
1
vote
1answer
59 views

Maximize battery life while recording video

There are times where I need to record a lot of continuous video. I've found battery life to be insufficient for this. Is there anything I can do to squeeze out every bit of battery efficiency? The ...
1
vote
0answers
84 views

Replicating features of Doze mode using other tools/apps

target android version: 4.2.2 Doze mode is one of the new features of Android 6.0 Marshmallow; In the documentation it is said that: The following restrictions apply to your apps while in Doze: ...
6
votes
2answers
2k views

Can Android app repair battery's bad cell?

I know this was covered in a different post, but I've been wondering how this app can actually make a difference in battery life. I've tried many of these, and "Repair Battery Life" is the only one ...
21
votes
3answers
24k views

What's the meaning of signal strength colors in battery usage screens?

The battery usage screen has an indicator for "Signal strength" that, instead of being blue/black like WiFi, has many colors: green, gray, yellow. What's their meaning?