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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1answer
61 views

Will updating the kernel reset the phone memory?

I updated my OnePlus One phone to the company-owned system, Oxygen OS. The battery now is miserable - it depletes within 5 hours. I am looking for a solution to fix that without wiping and ...
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2answers
1k views

Samsung Galaxy S3 Battery dies extremely fast

My SGS3 had an extremely nice and pretty long battery life until a week ago I used a music download app to download some music. After this I get common notifications like this. And it's scary cause ...
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1answer
92 views

My battery dies very quickly [duplicate]

I've had this issue a couple of months ago too but then I could fix it by turning off an option at my WiFi settings. Now the problem is back but it my previous solution doesn't work. I own a Samsung ...
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3answers
3k views

MOTO E battery drops suddenly to 0%

My moto E phone is not even a month old and already i'm having a HUGE problem with it. I charge my phone to full battery, sometimes during a whole afternoon or night. Then in the morning or at 100% i ...
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1answer
1k views

Can a Custom ROM affect the performance of my battery?

My Device is Samsung Galaxy S4 I9500. A week ago, I flashed a custom ROM on my Device, now my phone's battery drains out even if the phone is on stand by. Previously, it degraded but not so ...
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3answers
191 views

Can GSM operator affect battery life?

I am using samsumg galaxy s3 mini. Couple of days ago, I changed the GSM operator I am using which has more signal strength and internet speed than old one. But I realized my phone's battery life ...
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1answer
2k views

What is the effect of “power saving mode”?

Android OS from ICS and above has a "power saver mode" by default (I own a samsung) What does this mode actually do? If it reduces clock speed of cpu, then by how much? How does it attain this power ...
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1answer
2k views

Is it feasible to install 3000 mAh battery to MMX A89 mobile?

Device : MMX A89 OS : ICS 4.0.4 Battery : 1400 mAh Is it feasible install 3000 mAh battery to MMX A89 mobile? As internet is ON on mobile so it's getting drain within 6 to 8 hours and I am not ...
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1answer
803 views

Batty drain issue on CM10.2.1-yuga / Sony Xperia Z - NFC Service using over 50%

I've recently put CyanogenMod CM10.2.1-yuga on my Xperia Z and I've noticed the NFC server is using an insane amount of the battery. Even after disabling the service in the App section, the ...
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1answer
186 views

Nexus 7 rooting and battery life

I rooted my new nexus 7 the other day using the Nexus Root Toolkit. Before rooting I was able to get about a full day out of a charge and still be at about 20-30% but now my battery seems to drain ...
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2answers
6k views

Sudden battery drain on Samsung Galaxy Ace 2x

I have a Samsung Galaxy Ace 2x that is not yet a year old. For the last 6 weeks, the battery has been draining very quickly, even though I have turned off everything that would cause this (GPS, WiFi, ...
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1answer
90 views

About WI-FI battery usage

I keep reading about how much battery does WI-FI use, but when I look in settings > battery, WI-FI shows with < 5% usage when I barely use the phone. And when I use it, the screen takes most of the ...
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1answer
490 views

What do the different coloured bars on the 1x1 widget in Better Battery Stats app mean?

I understand these are supposed to signify ratios of different phone states but I cannot get my head around which is supposed to be which.
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3answers
2k views

Sony Ericsson DISCHARGES when plugged in

I have a Sony Ericsson Live With Walkman (WT19i). About a week ago my phone started discharging when plugged in for charging using either a Samsung wall charger or the USB port on my PC. It charged ...
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votes
1answer
80 views

How to stop all but 1 one app including their services?

My HTC Sensation's battery does not last long. I'm going for a Marathon race which should last at least 5 hours and I'm going to use 1 app (RunKeeper) for that period. I would like to preserve as ...
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1answer
655 views

WiFi tether without losing battery

So, as everyone already knows, when tethering data over WiFi your battery may overheat/lose battery/etc. What I want to do is while in my car: Stream internet over WiFi to >1 person Navigate with ...
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3answers
2k views

what could cause a sudden drop in battery life?

According to my battery graph the phone went from 85% to 0 in an instant. I wanted to add a screenshot, but I do not have enough reputation. The last time I checked it was nearly full, and 7 hours ...
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1answer
14k views

Why are Dialer, Cell standby, and Phone idle killing my battery?

HTC G2 with Cyanogenmod 7.2.0, T-Mobile. It used to last all day, I'd always plug the phone in before bed and it would rarely run out of energy before then. Lately it runs out mid-day. Today I ...
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votes
1answer
704 views

Can I prevent ICS browser from using CPU while in the background (without back-button exiting)?

I'm running ICS 4.0.3, and I notice if I have the Web app (default browser) open, but not in the foreground, it still uses a lot of CPU (25-50%), based upon the built-in Android Task Manager. Other ...
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votes
1answer
333 views

App to show battery current or rate of change of voltage, short term info

Id like to have quick feedback about how what I do on my phone affects power usage, but cant seem to find a good widget or app for that out of the hundreds out there! Anyone know any? Thanks
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votes
1answer
1k views

Xperia X10i slow

Did anyone experience the x10i to become very slow in any given day? After restarting work for few hours fine and then suddenly become. Battery drainage is also very quick almost 4hours of some ...
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1answer
946 views

Why is my battery life fluctuating?

I installed CM7 on my LG P500, and ever since the battery sometimes lasts 30 hours, sometimes for 8 hours, under the same usage and same power state (conservative). How can I fix this?
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0answers
56 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 ...
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 ...
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1answer
37 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 ...
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0answers
131 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 ...
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1answer
103 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. ...
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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, ...
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0answers
32 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 ...
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0answers
56 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 ...
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0answers
154 views

Android 6 excessive battery drain

I updated my nexus 5 to android 6.0 Marshmallow manually. To my surprise, I see horrible battery drain by WiFi, eve if I turn WiFi off. Just look at the screenshot! Wifi usage What do you think, is ...
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1answer
251 views

How do I put only one SIM card in dual-sim smartphone to “Airplane mode”?

In Airplane Mode the device last noticably longer. The "Cell standby" shows 76% in battery settings. There are two SIM cards inserted into the device, but now I use only the second. I expect that if ...
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0answers
45 views

Battery level calibration after replacing battery

I've been using Xperia ZL C6502 for 2 years. It doesn't have a direct battery replacement facility. I disassembled the phone and replaced the battery with a new one. The new and the old batteries have ...
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0answers
87 views

How does the android system calculate remaining battery time

I am aware that the Android OS when calculating time left it cannot really calculate true usage, and an A.I. algorithm that would learn how you use your phone and give better estimations would ...
0
votes
1answer
35 views

Apps & Galaxy 6's rate of battery life decline

Is the Android Galaxy 6's rate of battery usage more steeply affected by each additional application added to the phone, compared with the amount that an additional app would increase the battery ...
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0answers
106 views

How do I prevent apps from waking up Sony Xperia 3 compact?

I have a Sony Xperia Z3 compact, with Android 5.1.1. This phone is not rooted, and actually belongs to a friend, so I cannot root this phone. I am having battery life problems that appear to be a ...
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0answers
70 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 ...
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0answers
13 views

mm-qcamera.daemon draining my battery on Droid turbo [duplicate]

I have not installed any new programs or used my camera and this started yesterday. I do not have Skype installed. I have powered off twice and it is still doing it. Please tell me how to fix it
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0answers
86 views

Huwaei Mate 2 - Randomly shutting off

So i have a Huwaei Ascend Mate 2 and it will be charged and randomly shut it's self off and i have to do the power + volume up to get it to boot again i had to recently replace the screen and yes i've ...
0
votes
1answer
93 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 ...
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0answers
14 views

Droid overheats frequently following large files upload

I have a Droid with no SD-slot, a non-replaceable battery, and not that much on board memory (16GB of memory but less of that is usable) which means that memory clearing has to be done frequently and ...
0
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0answers
14 views

Do all apps close when I delete my recent apps history? [duplicate]

I searched for this on Google several times, and I couldn't find any answer on stackexchange, so here i go. I have a brand new Nexus 6, with Lollipop of course. But I never really get the recent apps ...
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0answers
23 views

Samsung Galaxy S2 battery drainage

Been having this issue for a while, before, it used to not even operate without being on the charger, and it would stick on 0% battery. When i take off the charger it would turn off immediately. I ...
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0answers
205 views

Battery quickly discharged after installation of Lollipop

I have Samsung Galaxy Tab S 10.5. Recently I've updated it to Lollipop 5.0.2 through Odin. Then problem with battery have arisen: charge falls on one percent each three minutes when brightness is ...
0
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1answer
3k views

Battery life issues on Xperia Z1 after Lollipop update

Since the update of my Xperia Z1 to Lollipop (5.0.2), my battery life is horrible! It takes a very long time to charge it to 100%, and I can only use my phone for a few hours. How can I fix it ?
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0answers
43 views

Settings while debugging for battery optimization

I just got my new LG G2 4.4.2 and since I will debug in it a lot, I want to know what settings should I use in order to harm less my battery. While in debug mode, I have 5 options: Charge phone ...
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1answer
366 views

What are the ways to increase device Screen On Time?

I have a device with 2500 mAh battery and I usually get around 3hrs+ Screen On Time. Are there ways to gain some more juice...? [I am a rooted user, so any method (root/non-root) are welcomed.]
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0answers
700 views

Galaxy S6: Why is “cell standby” consuming battery when “airplane mode” is on?

I just got a Galaxy S6 (Android 5.0.2) and I'm trying to figure out why, when I check the Battery information in Settings, I see that "cell standby" has consumed a lot of my battery (and the ...
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0answers
247 views

Tasker keeps device “awake”

The "Awake" from the battery page is always full when Tasker is not disabled. I only have some profiles that run on Screen on and off (turn off wifi, change display brightness) Anyway the fact that ...
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0answers
612 views

Verizon Note 4 battery drain after Lollipop Update

I just had my Verizon Samsung Galaxy Note 4 upgraded to Lollipop 5.0.1 two days ago. I have not been able to get the battery fully charged since then. It charges extremely slowly. When charging ...