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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3
votes
3answers
388 views

Phone kept awake for half an hour after arriving home

My Moto X (2014) running Lollipop 5.0.1 sometimes starts chewing through battery upon arriving home after being away (or, possibly, getting back on a wi-fi connection is the trigger?). It does this ...
3
votes
1answer
3k views

How can I increase my Samsung Galaxy Tablet 10.1 battery life?

How can I increase my Samsung Galaxy Tablet 10.1 (Android) battery life? I am going to use my Samsung Galaxy Tablet 10.1 (with WIFI and/or 3G) for marketing purposes: It's going to play a movie non ...
3
votes
2answers
799 views

How can I return from power-saving mode in Android 2.3?

I'm using a Samsung Galaxy S II Epic (with Android version 2.3.6 installed), and whenever my phone reaches 10% battery life it prompts me to turn on power-saving mode (and I do). However, once my ...
3
votes
1answer
345 views

Is my battery faulty

I've had my HTC Desire (latest legit firmware) for 18 months or so, and I believe this problem has existed for a while but it getting worse. It might just be time for a new battery but in case there'...
3
votes
3answers
433 views

How can I prevent the battery in my Nexus S from draining overnight?

I have a Google Nexus S and for the past 2-3 days whenever I go to sleep the battery drains completely overnight. I mean when I go to bed the charge on my phone is plus 90% but for the past 2 days it'...
3
votes
1answer
664 views

Is there any known memory leak in Gingerbread 2.3.3 fixed by occasional reboot? Related to battery usage?

I notice that when I reboot my Samsung Captivate, it runs smoothly for about 2 or 3 days. After that, I notice that there is a lot more lag with various apps, and the launcher screen is more likely ...
3
votes
3answers
2k 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 problem?...
3
votes
1answer
394 views

HTC Evo - Can Wi-Fi Radio Sleep?

I've noticed that when actively downloading a lot of data, the Wi-Fi radio uses much less power than the 3G radio. However, when the phone is not being used much, the 3G radio will sleep but the Wi-...
3
votes
3answers
568 views

Ways to improve battery life on Droid Incredible?

Out of the box, I noticed my Incredible has a lot of stuff running/turned on by default. Besides the basics of turning off WiFi, GPS, and BlueTooth when I'm not using them, are there more steps I can ...
3
votes
0answers
51 views

Force “Battery Saver” mode in Android Lollipop Cyanogenmod

Forcing "Battery Saver" mode seems to be possible via Settings -> Battery -> Battery Saver -> On using some Lollipop phones, but on my CyanogenMod 13.0-20150316 there is no such option: ...
3
votes
0answers
84 views

Powersave governor VS Marshmallow Doze

After searching on Google and XDA for an answer (which I didn't find), I decided to pose this as a question here. So, I guess that the majority of us know about the so-called big difference between ...
3
votes
0answers
294 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 using ...
3
votes
1answer
448 views

Battery Drain from mysterious wake locks

I have an huge battery drain issue on my OnePlus One running Android 4.4.2 on stock ROM CM11s O5Q with FrancoKernel R35. I googled and searched so many times but couldn't find anything and I am really ...
3
votes
4answers
3k views

my samsung galaxy 2 battery is draining to fast!

I have an Samsung Galaxy S2 GT i9100. I have had it for quite a time, but today I noticed something strange: First my battery had not been charging while I was sleeping: when I woke up I had only ...
3
votes
1answer
534 views

How do I keep CPU off when charging?

When I connect the USB power source, it makes CPU to stay on (even though "Development->Stay awake" is off). When charging from a weak power source if makes battery to drain even faster than is case ...
3
votes
0answers
610 views

MS Exchange with Default Email App is Randomly Draining Battery!

I'm using my Exchange email account for work with the default Email app on my Nexus S running Jellybean... usually everything works just fine, but within a week or so it'll start consuming massive ...
3
votes
0answers
639 views

Battery life in Samsung Galaxy 3

I recently updated my Samsung Galaxy 3 to Android 2.2 . After the update my fully charged battery dies in just 3 hours(without any use) and around 1 hour if I use it (talking,browsing etc). I am using ...
3
votes
4answers
89 views

Samsung galaxy s5 battery Drainig fast

My device is Samsung Galaxy S5 SM-9000H. It's Battery drains very fast, even when screen is off. It drains 70% in night. It remains only 10% after 70% without doing anything. Does anyone have ...
2
votes
2answers
586 views

Brightness and battery use

When I turn down the brightness of the screen on a Samsung Galaxy Mega am I lowering power consumption or increasing the opacity of the screen?
2
votes
3answers
644 views

Why Google play services not included in Doze mode

I'm using Nexus 5 and 6P, Android 6 having a feature called "Battery optimization mode" or Doze mode (in short). It is allowing apps not to run, if they aren't used to avoid battery consumption. ...
2
votes
2answers
840 views

Why would Doze feature need motion detection?

I do not see any reason mentioned by Google for Doze mode to get activated only when the device is stationary. Is there any specific advantage for doing this only when the device is stationary? What ...
2
votes
1answer
4k views

Android battery usage (3G, HSDPA and Edge)

In order to reduce battery usage I checked the Use only 2G networks from Settings > Wireless & networks > Mobile networks on my Android. Then I noticed the E icon appeared instead of H on ...
2
votes
2answers
3k views

Are the Battery Doctor and/or CM Family Suite app(s) needed? [closed]

I've got an HTC One M8 with KitKat 4.4.4 until Lollipop 5.0 comes out in January. I'm a convert from Apple iPhone Gen 1 all the way up and this is my first Android device ( which I love BTW ). With ...
2
votes
2answers
805 views

Shorcut on desktop that enables packet data and 3G

In order to save battery (it works a lot!), 99% of the time I disable packet data and I use only 2G networks, because I don't want the phone to go on internet / use data. But sometimes I want to use ...
2
votes
2answers
969 views

Does 'Easy Battery Saver' work?

I ran some tests in my Moto G and it was quite disappointing. The first hour was dedicated to measure the performance in 'Intelligent Power Saving Mode', followed by an hour of the app uninstalled. ...
2
votes
1answer
1k views

How to disable Google Search?

Recently my phone started to lose charge faster. It just occurred to me to check Battery in Settings, and I saw that Google Search is responsible for 29%, Screen coming in second with 23%. I set up ...
2
votes
2answers
740 views

Battery Statistics Viewer crashes every time

I have a DroidX with Android 2.2 I went into the Battery Usage settings Settings > Battery Manager See a fual cell looking battery image that says Touch for usage statistics, so I was like awesome ...
2
votes
2answers
2k views

Which uses more power/drains more battery: HTC Evo 3G or 4G?

I've read mixed reports online about which radio uses more power -- 3G or 4G. Has anyone done any semi-scientific tests that would answer this question? When constantly downloading data over the ...
2
votes
1answer
424 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
2answers
237 views

Applications do not close after exiting

I have lately noticed that, after last updates on my Samsung S3 mini (although I am not entirely sure which ones in particular), applications simply do not close after exiting them and keep running in ...
2
votes
1answer
235 views

How to preserve battery while trekking remote locations?

I will use my phone while trekking in a remote area and want to conserve its battery. I won't have phone or wifi networks, but I want to record my track using Google's My Tracks and take photos. How ...
2
votes
3answers
125 views

What happens to CPU frequency when Android downloads a large file with screen off?

For example, I start downloading system update file and hit the power button to dim my screen. What happens to CPU? Does it lowers its frequency or change its governor to powersave? Or does CPU ...
2
votes
1answer
962 views

Even with WiFi turned off it is still the biggest battery drainer (S5 Mini)

I have a Samsung S5 Mini and today I noticed that even when WiFi is off, it is still the biggest battery drainer (oscillates between 20-23%). I also noticed that yesterday the battery drain was much ...
2
votes
2answers
524 views

What is trying to connect to the network?

When I'm not actively using the network, I usually turn off Wifi, Bluetooth, and Data. Since upgrading from Android 4.3 (stock) to 4.4 (OTA update from my carrier) I notice two things: Battery life ...
2
votes
2answers
161 views

Getting a list of applications with SMS permission

I installed many applications, and some of them have specific permissions. How do I get a list of all applications with a specific permission? I'm interested in SMS permissions. I do not want to write ...
2
votes
2answers
778 views

Why android is power hungry? [closed]

When every android phone is released, all the reviews discuss about battery life of the device, since, they say, battery life in android phones is a critical issue. Question is : Why battery life ...
2
votes
1answer
439 views

Is there a reason Google Reader drains this much battery?

It doesn't strike me as normal that Google Reader should drain more battery than even my screen. Is this a known bug, or is it a settings issue? I'm using 4.1.1
2
votes
1answer
2k views

What does “awake” mean?

I obsessively check the battery info on my ICS phone, and I've noticed that I get the best battery life when the phone hasn't been "awake" much. But I realized I don't really know what "awake" means. ...
2
votes
1answer
1k views

Battery Sony Ericsson XPeria Mini Pro

I've a Sony Ericsson XPeria Mini Pro with Android 2.3.3. I noted that the battery ends really fast. I don't have enable GPS service, Mobile data, Bluetooth. Only phone and wifi. In less than two days ...
2
votes
1answer
578 views

How do I set Wi-Fi sleep policy to Never on Froyo 2.2 Droid X without Advanced Wi-Fi Settings menu?

I've encountered the following instructions on a forum about battery drain Set Wi-Fi sleep to Never in the Settings > Wireless & Networks > Wi-Fi Settings > Advanced >Wi-Fi Sleep ...
2
votes
2answers
9k views

My phone keeps slowing down and burning battery. How can I debug performance and cpu consumption? (DHD 2.2)

I know there are already a lot of threads about suggestions on how to improve performance and, strongly related, save battery life on your android. I also have tried most of the tools to diagnose ...
2
votes
1answer
438 views

Locale powersave plugin & Power Control widget

I use Locale app with powersave plugin. 3G is usually switched off except during scheduled syncing to save power. There are occassional situations when I would like to use 3G and I would like switch ...
2
votes
1answer
72 views

Initial Charge Problems

I bought my Android last January and I forgot to charge it for 8 hours. What will be the effect on my Android and battery life? ( battery type is Lithium Polymer)
2
votes
2answers
513 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 ...
2
votes
1answer
2k views

Spotting Cause of Excessive Battery Drain

I have a Nexus 6 phone and it has always been amazing with battery power, I can usually go 2-3 days before absolutely needing to charge it and that's with heavy news reading, game playing, phone calls,...
2
votes
1answer
958 views

Better battery life by factory reset?

This is a bit odd. I thought I fairly well grokked how things worked, but this seems weird to me. I have an original Moto X. I've had it for almost two years now. It started off with Android 4.2 (...
2
votes
1answer
218 views

How can I track cause of “Android System” and “Android OS” battery usage

I've got a Samsung Galaxy SIII which quite suddenly, though it was in airplane mode the whole time, started to drain the battery in less than 6 hours. Updates to several bits of Samsung bloatware ...
2
votes
1answer
75 views

Get battery usage data at finer resolution

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, ...
2
votes
1answer
273 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 ...
2
votes
2answers
12k views

Stop SD card from constantly unmounting due to underpowered

I had problems with constant unmounting of my SD card from phone when it was not on charger. The problem was with powering off some power when disabling display to save energy, but this power was ...