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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9
votes
0answers
288 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 ...
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 ...
3
votes
0answers
606 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
634 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 ...
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, ...
2
votes
0answers
500 views

Turn screen off without Android sleeping

Is there any way to quickly toggle the screen off without making Android sleep? For example, I sometimes like to use the Calm app when I sleep. But it keeps the screen on all the time. When I just ...
2
votes
0answers
12k views

Google Play services using up battery - Why and how to fix it?

Why would Android devices have Google Play services using up the second-most amount of battery usage over a 24 hour period (second only to screen power)? On one device, I see Google Play services ...
2
votes
0answers
99 views

Build android from source. Battery power incorrect

I added a kernel module to the msm flo kernel. I built android JB from source for my Nexus 7(flo). I flashed the device with the built OS. My battery power seems to be stuck at 100% remaining. I ...
2
votes
0answers
197 views

Why is GPS Status eating a third of my battery power?

I'm trying to have as little as possible running when I'm not using my phone. In the system settings under battery you can see what has been using the most power. I've been able to disable or ...
2
votes
0answers
874 views

2G vs 3G Talktime

When I was going through specs for my Xperia SP, I found the 3G talk time to be more than the 2G talk time. Talk time: Up to 10 h 25 min (2G) / Up to 19 h (3G) More over I went through the specs ...
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
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: ...
1
vote
0answers
492 views

Why “Services Exchange” drains my battery since Marshmallow update?

I have a simillar problem since Marshmallow. Unfortunately, as suggested I did clear the cache and I did a factory reset but the problem persists... "Services Exchange" continues to drain my battery ...
1
vote
0answers
944 views

How to permanently disable mediaserver service?

I am trying to permanently disable the notorious power hogging mediascanserver or mediaserver (whatever it's better known) service on a rooted Jiayu S3. Here are my ADB commands: su pm disable ...
1
vote
0answers
1k views

Why does the Kernel and Android System/Android OS drain my battery?

3 hours since unplugging my phone, and at light usage it's at 61%. It is the kind of problem I've had with my previous phone, and I have with my current phone, often starting a few months in and ...
1
vote
0answers
204 views

High battery use by apps under location services. But location mode is set to battery saving

Under Settings > location in my phone, the apps listed under recent location requests say High battery use. However the location mode is set to Battery Saving (Networks only). I thought high battery ...
1
vote
0answers
369 views

After updating to 5.0, default E-Mail drains battery

Recently I've updated my Sony Z1 Compact to Lollipop and noticed that battery is drained much faster than it was in KitKat. ~50% of battery usage is by builtin E-Mail app, here are the stats: I ...
1
vote
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 ...
1
vote
0answers
1k views

Why does my unplugged Nexus 5 keep shutting down after any app usage?

I bought a Nexus 5 a year ago and it has been running fine. After the Lollipop update, my phone has started crashing. Even though the phone has enough battery, if I run any app for like 5 minutes (it ...
1
vote
0answers
831 views

Samsung S3 neo battery life started to reduce rapidly from 2 days

I am using a galaxy s3 neo phone from almost 8 months, from two days I was using my computer internet in my mobile through usb. Then yesterday night while sleeping the battery was 47 percentage , and ...
1
vote
0answers
35 views

How can I monitor Android device's battery status through LAN or the web?

I would like to know if there is a way to monitor the battery status of different Android devices across a LAN network. Ideally it would be a web browser interface that shows the battery level of each ...
1
vote
0answers
193 views

Device randomly restarts and has battery drain after .apk file installation

I'm developing an Android app, and at the moment I let to install as an .APK file from my webpage to my close friends. On the device of one of them, the installation causes an error and the App ...
1
vote
0answers
233 views

How can I troubleshoot what is causing 'Android OS' to eat up lots of battery?

Are there steps I can take to rule things out eventually leading to a root cause? I am currently using the latest Dirty Unicorn ROM on a Nexus 5. For the same of argument, consider the case where ...
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 ...
1
vote
0answers
116 views

Faulty battery status indication

I have a Huawei Honor U8860 with Android ICS. I use two Mugen Power batteries. I always use one battery until it's empty, then charge it to full while using the other battery. Recently Android battery ...
1
vote
0answers
787 views

Stay awake while charging, bad for battery?

Is it bad for battery to use the option to stay awake while charging? Will it make my battery drain faster in the future? PD: I use my phone for app development. I have activated the stay awake ...
1
vote
0answers
741 views

Does GCM always work over cellular data, as APNS?

APNS always works over cellular data, even if you are connected to WiFi (because WiFi uses extra power, and thus iOS devices turn it off during sleep, without affecting APNS). Is GCM (Google Cloud ...
1
vote
0answers
232 views

How can I recover lost Contacts on Galaxy GT-NT7000. Contacts and Dialer App became very slow and battery runs down fast,

This is a RAM issue and lost contacts issue (contacts not saved under Google). The log of text messages with all contacts, since start, is all, still there. My Android version is 4.2.1. I have had 3.5 ...
1
vote
0answers
409 views

Samsung S3 Mini power save mode activity

I'd like to use power saving feature available in Samsung's TouchWiz in Llama but the only way to do this is to tell Llama particular activity/intent to run I guess. As in this thread on XDA. I'm ...
1
vote
0answers
899 views

Galaxy S3 Mini drains excessive battery when Wifi is ON

This question is linked to this one: Wifi battery saving tips or automation This time, the question is different. I have here a Galaxy S3 Mini phone that behaves strange. When Wifi is OFF, battery ...
1
vote
0answers
119 views

Wi-fi disabled during lock still partly active? Or do I mis-interpret the battery graph?

On my Google Nexus 7 I noticed that it would consume around 1% of battery each hour that it was just being idle. I suspected that battery-usage during idle time could be improved. So the next night (7 ...
1
vote
0answers
539 views

Enterprise (802.1x) WiFi causing excessive battery drain?

In the past week, realised that WiFi at work (using 802.1x auth) has been draining my battery like crazy. Here are some stats I took over the past few days: Case Connection Duration ...
1
vote
0answers
108 views

Optimizing battery life via colour schemes

I have been looking for a way to change everything on my phone to black (and pure green), since the screen is the main power consumer. "the Green OLEDs provide 10 times more Brightness per watt ...
1
vote
0answers
2k views

Samsung Galaxy S2 battery gets hot

My Galaxy S2 is less than a year old. The battery sucks! I have to charge it more than once a day. Tonight, while on the charger, the battery life is actually going down. It's also way too hot to ...
1
vote
0answers
353 views

Unexpected battery discharge on Samsung Galaxy S2

I charged my smartphone yesterday to full 100%. When I woke up today, I saw that battery was 40%. Android OS has used 90% of the battery. My Android version is 4.0.3. What is the cause of the problem? ...
1
vote
0answers
382 views

Handsfree profile sniff mode

I recently connected a bluetooth module (BTM511) to my Android phone (SG2 running android 4.0), using both the handsfree and the headset profiles. I notice that the Bluetooth device never goes into ...
1
vote
0answers
203 views

Poor battery after update to Android 4.0.3

I updated my non-rooted Samsung Galaxy S2 from 2.3.5 to 4.0.3. Now, I recognize a significant decrease in battery lifetime. Any idea what may cause it and how to get around it?
0
votes
0answers
54 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
0answers
126 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
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
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 ...
0
votes
0answers
55 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 ...
0
votes
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 ...
0
votes
0answers
43 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 ...
0
votes
0answers
86 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
0answers
103 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 ...
0
votes
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 ...
0
votes
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
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
votes
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 ...