For questions related to batteries on Android devices. Questions about battery life should be tagged with [battery-life]
139
votes
4answers
15k views
Does constant charging harm my Android cellphone?
I usually disconnect my cellphone from the charger some time after it's fully charged because I'm afraid the battery could lose capacity over time if I don't. However, I believe modern electronics ...
5
votes
3answers
1k views
Is my phone liable to explode if I charge it with a charger that came with a different phone?
My friend and I both have droids and we often user each other's wall chargers out of convenience. I was told that it's possible that my phone might explode if it's charged with a charger that wasn't ...
18
votes
3answers
9k views
Why is charging from computer using USB slower than using an outlet?
And what is roughly the ratio of the charging speed in USB vs charger? My phone is Samsung Galaxy S, if that matters.
56
votes
10answers
53k views
How to disable battery full notification sound?
When battery has been charged full, my Galaxy S phone gives the same notification sound that is used when I receive SMS. Is there a way to disable the sound without also disabling sound from SMS? It ...
10
votes
3answers
22k views
How can I find out what causes “Android OS” to consume battery?
The issue is that I see a high percentage on the "Android OS" item in the Battery Usage, and I want to find out what is causing it. But let me say that I'm interested in diagnostics techniques and ...
15
votes
4answers
2k views
What causes battery to drain faster than it can charge?
I have a Moto DROID (v1). On a trip from Tyler, TX to DFW airport I had my phone in the car dock and charging. I was using Navigation for directions to the airport and also had Listen running to ...
19
votes
3answers
7k views
Do I have to charge my phone before I use it the first time?
When I got my last phone, a SE k850i, I was recommended to charge it fully once before I even turned it on. Does this apply today as well, for my coming HTC Desire HD?
Why was I recommended to do so ...
12
votes
2answers
2k views
When should I start charging my Lithium battery?
The comments in this question say that I shouldn't wait until low battery charge level before I charge, because that reduces battery life (this is contrary to my understanding before that the faster ...
5
votes
3answers
3k views
How to break in a new cell phone battery?
Whats the best way to break in a new cell phone battery?
I just got a replacement battery for my Motorola Droid and so far through 2 cycles it is barely lasting a few hours.
9
votes
2answers
2k views
How frequently is it okay to let the battery discharge fully or as low as possible?
I know that atleast once or twice a month a full battery drain and then a 100% charge helps increase the battery life and also gives more accurate battery readings.
I was wondering, how frequently is ...
12
votes
3answers
20k views
How do I turn off the cellular radio without disabling bluetooth?
I have an old Motorola Droid that is no longer subscribed on any Verizon service. I still use it for things like web browsing, ebooks, and along with some wireless stereo headphones, music. I've ...
10
votes
5answers
528 views
Wearing down battery as fast as possible
I am trying an experiment and I need to wear down my Droid Incredible's battery as fast as possible. What apps are known battery hogs? I've already beaten Angry Birds so that one is off the list for ...
7
votes
5answers
19k views
What can cause “Android OS” process to use high percentage of battery?
I've read a bunch of forum posts about the Android OS battery drain bug. This is where the 'Android OS' process is showing large percentages in the battery statistics.
For me, I'm running 2.3 ...
6
votes
2answers
615 views
Why does my Nexus One power off with 15% power remaining?
Once my Nexus One's remaining power drops to 15%, it automatically powers off. On turning it back on again, it reports that it's now on 0% power.
Do all Nexus Ones behave like this, or is it just ...
3
votes
2answers
978 views
How can I tell what is really draining my battery?
I know that by going to Settings > About Phone > Battery Use, I can get some idea of the applications that are using up the most of my battery. I see things like "Cell standby", "Phone idle", ...
4
votes
1answer
912 views
Is there anything that can show exactly what has awaken my phone?
Recently I had some issues with my phones battery getting drained in 8-10 hours, even though the screen was active for less than 1 hour and wifi/bluetooth/gps was off.
My first thought was to check ...
3
votes
1answer
3k views
Is there an efficient way to calibrate the battery than using some apps?
Is there an efficient way to calibrate the battery of my tablet in order to prove or disprove the very low battery backup than using some Apps.?
The context is that my tablet is giving a very low ...
11
votes
3answers
6k views
How to know app name by UID
I have found that UID=10058 using battery much in "battery history"
How can I know app name by UID=10058
9
votes
1answer
612 views
What does “Battery Use” tell and how is it implemented?
I have several questions about "Settings -> About Phone -> Battery Use", mainly because I don't understand what exactly those items mean.
(1) Does "Cell standby" indicate the energy used by the radio ...
6
votes
4answers
11k views
Is there an app that will drain my battery?
Are there any apps that will specifically help to drain a battery down quickly?
The scenario I would want to have this is if I want to quickly drain the battery so I can charge it fully again. Some ...
5
votes
1answer
627 views
How to allow auto-update of apps in Play Store only when plugged in?
I would like apps to be updated automatically when my phone is plugged in (charging) and on wifi.
I can easily allow auto-update only when wifi is on with the appropriate option in the Play Store ...
7
votes
1answer
603 views
Disable low-battery warning, specifically on XOOM
I would like to disable the low-battery warning on my XOOM without rooting. It's a pretty obnoxious sound compared to other phones I have used. By rooting, I can replace ...
4
votes
1answer
3k views
How to debug a battery issue?
I have HTC Sensation 4G. I have a very peculiar issue with the battery. I've been using the phone for just over one year now. There are some periods (about 7 to 15 days) when battery performance is ...
4
votes
3answers
5k views
“Charging paused. Battery temperature too high” while connected to car charger
I have a Galaxy S2 with ICS.
When I use it in my car, while it is charging from a car charger, I occasionally get this popup:
"Charging paused. Battery temperature too high"
Also Waze is running ...
4
votes
1answer
2k views
Cell standby and Phone idle
On the battery use screen, what are the differences between Cell standby and Phone idle items?
3
votes
1answer
180 views
How does the android OS estimate remaining battery time?
Is it known how the Android OS estimates time to failure / remaining battery charge?
I am doing a school project about battery estimation on mobile devices but have not been able to find any ...
2
votes
2answers
120 views
Battery usage by certain applications
Can I find out how much battery takes running of certain application?
The goal is to minimize using applications that take a lot of battery and maximize battery persistence before having to recharge.
10
votes
3answers
7k views
Mediaserver using excessive CPU time and battery
I've got a Nexus 4 on OS version 4.2.1 that suddenly started to drain it's battery very quickly. When looking in the battery usage I see "Mediaserver"eating 60% of the battery over time, with several ...
8
votes
4answers
2k views
Which consumes less battery: Wi-Fi or 2G data?
I just want to know what consumes less battery Wi-Fi or 2G Data.
My battery last long for 12- 16 hours only. I know there are lots of application which continually running and fetching data from ...
8
votes
2answers
1k views
Why my phone battery has four terminal? what is the use of the fourth?
I have a LG Optimus One (P500). For sometime I am wondering why my phone's battery has four terminals. I am aware that two terminals are for the positive and negative points and the the third connects ...
7
votes
4answers
3k views
Is there a quick-fix for the Galaxy Nexus when it signals “charging” without beeing connected via USB?
My Galaxy Nexus goes into charging mode but when it isn't plugged in. The battery symbol then indicates a charging and when in suspend mode, the display turns on which drains battery rapidly. I am ...
6
votes
3answers
947 views
Although I was told to charge my Android device before first use, it was already charged. Have I been given a phone rejected by someone else?
I have just received my 'new' HTC one V. The instructions clearly state to charge the phone up before first use, yet the the phone switched on and showed full charge straight away, before I had chance ...
6
votes
4answers
5k views
My phone thinks it's charging
After upgrading my Galaxy Nexus to 4.0.4, it keeps thinking the cable is being plugged in and out all the time. The battery discharges at a normal rate, even though the screen keeps lighting up as a ...
6
votes
1answer
256 views
Do I have to calibrate my battery after a reinstall?
When I installed Cyanogen Mod 7, I 'accidently' clicked 'Wipe Battery Status' even though my battery wasn't fully charged.
Now I have no idea what this exactly does (even more reason I shouldn't have ...
6
votes
3answers
2k views
How can I take a photo when battery <20%?
How can I take photo when battery level is less than 20%? My Samsung Galaxy S always says "battery low" and then closes the camera application when I try to. Is there a way to get around this? Or is ...
5
votes
1answer
179 views
AC-USB Charging Device Makes Sounds when Device Fully Charged
This might not be the right place to ask this question, as it falls under the purview of electronics, however that SE is not about consumer electronics. And this phenomena has only happened with ...
4
votes
1answer
377 views
Is recalibrating the battery after flashing a new ROM really neccessary, and if yes, why?
The description of the app, Battery Calibration, claims that after changing ROMs you should recalibrate your battery gauge. It has good reviews so it seems like the general concept is sound and trying ...
4
votes
2answers
2k views
Can't find low battery threshold setting (Samsung Galaxy S3)
When the phone's battery reaches ~20%, I get the message to connect my charger on the lock screen. Is there a way to lower the threshold for the notification -- similar to the setting for a laptop?
...
4
votes
1answer
3k views
How do I turn on the battery full notification sound?
Similar to this previous question, but I want to enable the battery full notification sound, not the opposite :)
My Galaxy S used to make a nice beep and switch the screen on briefly when the battery ...
3
votes
1answer
161 views
Background apps and the battery
Every time I use Google Search, the browser or the music player of my Samsing Galaxy S II (Android 2.3), even if I push the back button until it brings me back to the home screen, the apps keep ...
2
votes
1answer
697 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 ...
0
votes
1answer
771 views
How is Anker battery for Android phones?
I've heard people talking about Anker on big forums about Anker battery, basically cell phone batteries and external batteries, and it seems people speak highly about it. So have you have any idea ...
