For questions related to batteries on Android devices. Questions about battery life should be tagged with [battery-life]
0
votes
1answer
26 views
Samsung Galaxy Nexus doesn't detect charger
This happened yesterday night first. My phone's battery was very slow, so I decided to charge it. It didn't start charging after plugging in the charger. Frustrated, I kept trying with different USB ...
3
votes
2answers
482 views
Why doesn't my phone charge?
Okay, so I already ordered a new battery, but in the mean time. Why won't my phone charge?
I have tried every charger/cable in my house and car (over 10 chargers and around 15 cables).
Double ...
1
vote
1answer
166 views
Battery getting charged with ultra speed and continuous at 1%charge for more than 9 hrs
My neo v battery getting charged with in ten min from 0 to 100 percentage( Exponential growth graph ) with ultra speed and getting discharged to 1%( it also give alert showing last 1% left, keep ...
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?
...
-1
votes
1answer
1k views
Unusual battery drain on note II [closed]
My Note 2 battery is driving me insane.
I have been using my Note 2 for like 2 months. And I had been following the recharging cycle where you only charge the battery when it reaches 5% or less and ...
23
votes
4answers
1k views
Why are some USB chargers slower than others?
It seems with USB chargers for my android phone, not all are created equal.
The first pic is the official charger which came with my phone (galaxy nexus). It charges quickly, from 0 to 100% in a ...
0
votes
1answer
17 views
Android power Usage - How to monitor
TL;DR: Is there some reasonably time-efficient way to find out what programs cause Android OS Services to drain battery?
On a regular basis I find that some app causes my phone to run hot and drain ...
1
vote
1answer
12 views
how long can the battery in my new mobile stay idle till first use
I bought a Samsung Galaxy 6 months ago. Have not used it yet nor have charged the battery atleast once. I am worried about the battery. Can i keep it idle two more months.
3
votes
1answer
523 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 ...
5
votes
1answer
633 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 ...
5
votes
3answers
7k views
Charging paused. Battery temperature too high or too low
I have a Samsung Galaxy player that has been giving me the message "Charging paused. Battery temperature too high or too low". I left it unplugged and powered down all night, and it still gave me the ...
3
votes
2answers
232 views
How does the Android estimate the battery level without a current sensor?
The BatteryManager class doesn't have the metric for current: http://developer.android.com/reference/android/os/BatteryManager.html
And then I have found this post: ...
0
votes
1answer
343 views
Motorola Defy in a reboot loop
I bought a new Motorola Defy today. The phone switches on then asks to be connected to a Google account, I try to type in my login details and it reboots.
The battery shows 100% but when in switch ...
5
votes
5answers
1k views
Battery drains even when plugged in while using Nav app on long road trips
I have a Nexus S running Android 4.0.3 and Google Maps 6.8.1.
When I use the Google Maps navigation app, the battery slowly drains, even when plugged into my car charger. After 5-6 hours, the phone ...
0
votes
0answers
472 views
Charging paused, battery temperature too low
I dropped my Samsung Galaxy S2 in water, and now when I plug it in I get a message that says:
Charging paused, battery temperature too low
Is there any way to fix this?
1
vote
1answer
48 views
Turn off cell standby?
I have a Droid Charge, but I live overseas and it's not an international phone so I can only use it for wifi. It is constantly searching for a signal that doesn't exist and it's eating my battery up! ...
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 ...
2
votes
1answer
216 views
Why is my battery low only a few hours after charging?
Twice recently I have charged my Samsung Galaxy Ace at night and when the phone indicates it's fully charged I unplug the charger only to be woken a couple of hours later thinking I have a text come ...
3
votes
1answer
387 views
Download Manager causes high CPU usage on Motorola Razr with stock Android 4.0
My Razr (Stock ROM 4.0) is very very hot. After some research I found com.android.providers.downloads is responsible, since it's using about 60% of CPU.
I have tried killing it, and it respawns, ...
3
votes
1answer
184 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 ...
7
votes
5answers
14k views
Serious battery drain (Screen, Android OS) after JB upgrade
Since I upgraded my Samsung Galaxy SII from Android 4.0.4 (ICS) to 4.1.2 (JB), my battery life has decreased dramtically.
Running ICS I could easily have ~25% battery left when going to bed, after ...
0
votes
2answers
59 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 ...
1
vote
2answers
261 views
Does USB tethering degrade droid batteries?
I want to know if tethering with my Xperia Neo V via USB will affect the battery capacity in any negative manner other than the usual.
12
votes
3answers
3k views
How can I avoid the battery charging when connected via USB?
I'm using my Samsung Galaxy S2 for development so I regularly plug it while it's not fully charged, and my phone starts charging over USB. I think this (charging while in use) can affect battery life ...
1
vote
0answers
190 views
Mediaserver is eating my phone's battery?
I'm using dual boot on my SGS2 with CM10.1 and JellyBam and both running fine but with some issue of mediaserver draining my phone's battery like a crazy nut. I have checked on Google and got many ...
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 ...
1
vote
1answer
1k views
galaxy s3 not charging
I have a samsung galaxy s3. It is only 7 months old. Its battery is not getting charged. I have tried to reboot and take the battery out and put it again,it still doesnt get charged. The usb port is ...
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.
2
votes
3answers
2k views
Reset battery history after unplugging charger?
As far as I can tell, the stats on the Battery page of Settings records the time from when the battery is booted up onwards. What I'd rather want it to do, is to reset that counter whenever I ...
1
vote
2answers
2k views
Will playing a game in a Android phone while charging damage or cause harm to the battery or the phone?
Will the following situation damage or cause any harm to the battery or/and the phone:
The phone is being charging (regardless it is using the electrical outlet or via USB) and ..
You are playing a ...
10
votes
1answer
7k views
Nexus 7 wont boot after complete discharge
I accidentally let the battery on my Nexus 7 run completely empty, and now it won't start up anymore even after charging overnight. How can I make it work again?
This is what happened in detail: My ...
1
vote
0answers
253 views
Inconsistent battery status and poor battery performance after ICS update on HTC Sensation 4G
Recently I updated my HTC Sensation 4G from GB to ICS via official update. After ICS update, I am facing many types of problems in my phone:
Battery drain - 100 to 0% within 2 hours while browsing ...
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 ...
4
votes
2answers
146 views
Do phones have a power supply?
This is definitely a noob question, I'm not an engineer but as far as my knowledge goes, the power supply on a phone would be its battery. However, my Nexus One stopped turning on recently, the ...
0
votes
1answer
193 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
1
vote
1answer
1k views
can sony xperia u(st25i) 's otg be connected to external power?
Can Sony Xperia U be connected to a Y-Cable to provide extra power for OTG to avoid phone battery consumption?
I'm asking this because the phone is already giving power ,will that make a short ...
2
votes
1answer
354 views
Will the Samsung Fascinate work without a battery?
Can I use a Samsung Fascinate with no battery powered only by the power cable?
(I'm assuming this is a handset specific question, but let me know if I'm wrong and the answer applies to all Android ...
4
votes
1answer
2k views
Can I use Asus Transformer power supply and dock as with regular laptop?
I couldn't find this information in all reviews, so I am asking here about it -- I would like to get such experience with Assus Transformer:
I put everything together -- I plug power supply into the ...
1
vote
0answers
2k views
Custom ROM to improve Galaxy I9000 battery life (if mostly standy)? [closed]
I have a Galaxy S I9000 (2.3.6, Gingerbread.XXJW4) and use my phone minimally (mostly just on standby). I would like a least a couple of days, and hopefully a week or two between recharges if possible ...
6
votes
2answers
4k views
Why is Android System always keeping my phone awake?
I woke this morning and discovered that my phone's battery was at 70% capacity, even though it had been fully charged when I went to sleep. I went into the battery settings, and found that Android ...
4
votes
5answers
795 views
power consumption by application?
Since cellphone application software requires extra power for processing. Is there any application software that indicate power consumption by particular application?
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 ...
3
votes
2answers
464 views
Is battery calibration important for Android phones?
I heard that battery needs to be calibrated for a first few usages. I heard that battery needs to be calibrated every 40 charge cycles. I heard that i must not let battery get too low and not ...
3
votes
1answer
177 views
Does my Android phone uses battery or outlet power to operate while being charged?
I am curious about knowing which power source does my android uses up, while it is being charged while switched on..
I know i can test it by keeping it in charging and pulling the battery.. but i am ...
4
votes
1answer
229 views
Display turns on at midnight?
Every day at midnight the display on my tablet (Asus Transforer TF101 ICS) turns on for a few seconds. Ordinarily, this wouldn't be a big deal, but I am using the Screebl application, which keeps the ...
0
votes
1answer
175 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.
...
0
votes
0answers
86 views
Full Battery Notifcation, Galaxy Nexus running 4.2.2
I have a Galaxy Nexus which recently updated to 4.2., and I noticed this occasional beeping when it was plugged into the charger. The only thing i can think of is a full battery notification. How do I ...
0
votes
0answers
306 views
Why will my Samsung Galaxy Gio not turn on
My Samsung Galaxy Gio hasn't been working properly for a few days, and now it won't even turn on. I can get it to the recovery page, but it will not do anything after that. I was thinking that it ...
0
votes
1answer
150 views
Android Experiments drain battery
While I am experimenting with Android I found it annoying that the device even if is plugged in on the PC using a USB is discharging.
THe problem is that I am performing some intensive experiments ...
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 ...
