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
21 views

Does boot take up any significant power?

If I wanted to conserve energy, and needed to check on my phone once every while, would turning the phone off and on every 30 seconds actually conserve more power than if I had it on all the time? ...
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votes
3answers
373 views

Facebook Messenger consumes a lot of battery even if no messages are sent/received

I recently installed Facebook Messenger and it seems to be consuming a lot of battery, even if no messages are sent/received in a day. Below is the battery usage for reference. As you can see ...
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1answer
216 views

Should I charge phone overnight or let battery down to a minimum?

For many times I found myself in a situation, that my battery charge was about 25-30% when I was going to sleep. Since I was always told to not let battery down below 20% (correct me, if that's wrong) ...
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1answer
76 views

“Battery Usage” page irrelevant

I have been doing battle with the battery vampires, apparently similar to a lot of people on here. I have a Samsung Droid Charge (SCH-i510), and service with Verizon. I have noticed my battery life ...
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votes
1answer
521 views

Prevent runaway threads and ultimately physical overheating and battery drain on Android

I was wondering if there is a system monitor app that will raise (audible) alerts and offer app closure if it detects runaway threads on Android that cause physical overheating and battery drain. ...
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1answer
183 views

Can any Android device be set to not auto power-off?

If I buy any no-name Android tablet from ebay etc, is there a chance it will not allow me to force it to stay on all the time? In other words, is "never auto sleep" a universal feature of any android ...
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votes
1answer
121 views

How can battery usage of Android be at 79%?

Till last night everything was kinda balanced.....most of the different parts of the usage were in between 20-35 %, but this morning after having activated the internet from my network provider, it ...
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votes
1answer
36 views

Strange battery graph

A friend's Motorola Moto G (titan) on Android 5.0.2 (Stock) shows this really weird battery graph. Does anyone know what's going on here or how to fix it?
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votes
1answer
104 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 ...
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1answer
2k 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 ...
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votes
2answers
3k views

Xperia Z2 (Kikat 4.4.4) - STAMINA mode does not work?

STAMINA mode does not work on my Xperia Z2 - Kikat 4.4.4 (latest version) I found a discussion in this ...
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1answer
130 views

Is less than 2 hours of battery life normal for Galaxy S2 with

Screen darker than | 5 times darker than normally possible thanks to Screen Filter app, removed more than 70 system apps (I have less than 40 now) with the rest except absolutely essential being ...
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1answer
220 views

Unbelievable fast battery discharge on some games

I've submitted an issue about my phone crashing: Issue Link which nobody here was able to help understand and resolve. Now I have better observations: after starting a game with almost full battery, ...
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votes
1answer
1k views

Is there anything similar to APNS on Android?

Is there anything similar to APNS (Apple Push Notification Service) on Android? (APNS uses a single TCP connection between an iOS device and an Apple-controlled server, which issues push ...
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votes
3answers
231 views

Wifi battery saving tips or automation

A person that is not expert in computers & technology (including smartphones) bought a Galaxy Mini S3 and asked me some help. He is very old of age. The problem with this phone is that Wifi ...
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votes
3answers
7k views

The battery of my Galaxy S 2 is draining very quickly…including on plane mode

I just got a Galaxy S II which I upgraded to ICS. I really struggle with the battery life. I have been looking around a lot on the forums explaining how to save my precious battery. I have done ...
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votes
1answer
31 views

Android logcat which app spams logcat

On my Oneplus Two android phone I recently updated to android 6.0. Since then my battery life has decreased drastically. Plugged into my computer I saw that a app is spamming the logcat even when the ...
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votes
1answer
30 views

Unexpected system app battery usages

Today, I have noticed that, an application named kworker/u:4 using phone's battery. I haven't seen this app before on battery usage section. Also, I have noticed kswapd0 application using battery, ...
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votes
1answer
211 views

How do I see current average battery statistics on Android 5.1.1 & Nexus 5

I want to see what my current, calculated standby and daily battery life statistics are before Android M is available on my device, so I can see if I've actually an improvement. Is it possible for me ...
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votes
2answers
98 views

Prevent battery from overheating

I have the habit of leaving my phone in charge all night while I'm sleeping, but I've read that this is going to make the battery last less time. Would it be possible to automatically stop charging ...
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votes
1answer
6k views

How do I set a lock screen wallpaper on the OnePlus One with the latest Android Update?

Okay so previously on the home screen ,I'd press the menu button- wallpapers- lock screen wallpaper and select my image to set as the lockscreen wallpaper.I can't do that anymore after the lollipop ...
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votes
1answer
162 views

Nexus 5 with android 5.1 has battery life issue

I have Nexus 5 with android 5.1. The phone is fully discharged per day. Although I only make a few calls per day. How to fix it without downgrade to adnroid 5?
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votes
1answer
62 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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votes
2answers
2k 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
94 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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votes
1answer
4k 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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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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votes
1answer
842 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
192 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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votes
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
91 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
501 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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votes
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 ...
0
votes
1answer
83 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 ...
0
votes
1answer
698 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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votes
3answers
3k 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 ...
0
votes
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 ...
0
votes
1answer
707 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 ...
0
votes
1answer
336 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 ...
0
votes
1answer
983 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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votes
0answers
35 views

Where is the “Process Stats” screen in Marshmallow?

In earlier versions of Android, there was a screen called "Process Stats" inside the "Developer options". But it seems to be missing on Android Marshmallow. Does anyone know if its been moved or ...
0
votes
0answers
52 views

Android up-gradation to 5.1 causes lots of issues with Moto G(1st Gen)

Yesterday I upgraded OS to 5.1 lolipop from 5.0.1, Since then I started to face many issues with my phone (Moto G-1st gen.) SMS not receiving Contact list seems empty (completely non-functional ...
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votes
0answers
96 views

Doze not activating, Nexus 5, Android 6.01

I decided to try out Doze last night. My phone (Nexus 5) was charged to 100%, then I unplugged it shortly before going to bed. This morning, the battery was down to 58%. Therefore, it seems that Doze ...
0
votes
1answer
91 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
58 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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votes
0answers
295 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 ...
0
votes
1answer
235 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. ...