Battery life is important for mobile devices. Questions regarding battery life should use this tag.
6
votes
2answers
262 views
Droid 2 Global - Will switching from Global to CDMA-only improve battery life?
I recently got a DROID 2 Global with Verizon and am looking to maximize my battery life. I am aware of the need to dim my display, disable Wi-Fi and GPS when not using it, increase sync intervals, and ...
6
votes
1answer
475 views
Is there a black list of applications that drain battery fast?
Many people complain about some applications draining batteries fast because of bugs or misconfiguration. Is there a black list of such applications that are not energy-friendly?
6
votes
1answer
348 views
Will charging a smartphone while it is in a case lead to damage? [closed]
Will it harm my Razr to charge it while in an Otterbox case? I heard that would cause excessive heat which would damage the battery or shorten lifespan. True?
6
votes
2answers
1k views
Can I leave it plugged in for charge all the time? -Samsung Galaxy 3 I5801
In short my question is -
What is the battery level at which it starts charging again Samsung Galaxy 3 I5801 device when kept plugged in for charge all the time?
If you want to know background and ...
5
votes
2answers
7k views
Will rooting my phone improve its battery life?
I've had an HTC Desire HD with HTC Sense for about a year and I'm quite happy, except for the battery life. After upgrading to the latest version, it lasts about 24 hours with moderate/low usage.
I ...
5
votes
2answers
608 views
When the GPS is enabled but not in use, does it drain battery?
If the GPS is enabled (in the notification view at the top, the GPS icon is enabled), but the app doesn't use it, does it drain battery? I understand that GPS drains battery because it requires a ...
5
votes
2answers
417 views
2G versus 3G: Does it really save battery?
I often hear the recommendation that fixing your device to 2G saves a lot of juice compared to using 3G.
Is that true? Or is it really a myth?
5
votes
1answer
440 views
Does a battery with more capacity last proportionally longer?
I recently bought a Galaxy S2 which came with a 1650mAh battery and in a near future the manufacturer will be offering another one with a 2000mAh. My question is: will it last 21% more than the ...
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.
5
votes
3answers
481 views
What kind of power saving smarts does Android already have?
I just d/l tasker and it's been really interesting (although not as interesting as I would've liked since I feel a lot of the good features require a root).
I would like to optimize my Galaxy s3 so ...
5
votes
1answer
144 views
When to know it's time to replace the Nexus One battery?
As we all know, battery consumption rate (i.e. "per hour") is not very standardized and its highly dependent on actual use, per user.
This makes it very difficult for me to know whether I need a new ...
5
votes
1answer
766 views
Should I disable mobile data while I'm connected to WiFi?
If WiFi is activated, the phone expends energy trying to find WiFi connections, even if I'm not using the internet. Is the same true for mobile data? Does the phone expend any energy trying to keep a ...
5
votes
2answers
1k views
How to optimize energy consumption during GPS tracking?
Very often I use my phone and the app MyTracks or GPSTrackerLite to track my hiking/biking tours.
This really works great and I'm thrilledy by the lot of possibilities in combination with google ...
5
votes
3answers
194 views
Configure power control in notification pane
I just bought an Alcatel One Touch 995 with Gingerbread 2.3, when I display the notification the notification pane I have some icons I can click to activate GPS, wifi, bluetooth, rotation...
I know ...
5
votes
1answer
436 views
Save battery by switching to 2G after a few minutes of inactivity
I'm looking for an app that'll switch to 2G only after a few minutes of inactivity. The idea seems simple enough, but I can't find it.
JuiceDefender just disables the data connection, and re-enables ...
5
votes
2answers
501 views
Why is the com.android.browser process draining my battery?
I have a Samsung Galaxy Note with stock 4.0.4 ROM. The battery drains very fast and the phone is often warm. Reboot doesn't help. Settings says that com.android.browser (Internet) uses most of the ...
5
votes
1answer
130 views
How to check how much battery the data network is using?
How do I check how much battery the data network is using? When I enter Settings->About phone->Battery usage I get the following:
Voice calls
Android OS
Display
Android System
Dialer
Cell ...
5
votes
1answer
562 views
Can I change the level for “Connect your charger”?
My phone HTC Desire on cyanogen mod 7 shuts it down if the battery level is 18%.
Can I change this level to something lower?
4
votes
5answers
784 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?
4
votes
1answer
325 views
How much battery does using live wallpapers drain?
I know they are unnecessary, but they look so cool!
4
votes
1answer
884 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 ...
4
votes
1answer
205 views
Does Gingerbread use extra battery power to make calls when the phone has poor signal?
Since I got this phone (Galaxy S, originally on Eclair, then Froyo) and switched network provider, I've had major problems with the signal at home, and call quality as a result.
Following the upgrade ...
4
votes
3answers
255 views
How do I determine which process woke up the screen?
The screen woke up at 4am or 5am at night, and had been on ever since.
How can I find out the process that was responsible for screen-wake ups?
The device is Galaxy S III running Android Jellybean ...
4
votes
1answer
60 views
How to see what applications do some actions when I power on my phone?
I believe there's some set of “hooks”, which get executed when I power on the phone. I want to see it to figure out the reason why my phone sometimes doesn't wake up properly (wakes with black ...
4
votes
2answers
2k views
How do I recalibrate the battery of my phone?
After a year using my phone, I noticed the battery drains too fast, but after shutting down I manage to make it work again for a couple of minutes before it shuts down automatically.
I read that to ...
4
votes
3answers
2k views
How can I prevent my Desire HDs battery from draining overnight?
I've recently got the new HTC Desire HD, which has a poor battery to start with (1230 mAh), but in the last two weeks I've had several nights waking up with a dead battery.
The first few nights, I ...
4
votes
1answer
126 views
How can I monitor the device battery consumption?
I need information about which applications or hardware features discharge the battery. Built-in Android option for this doesn't fit because not all devices have it. Also it would be a great advantage ...
4
votes
1answer
3k views
Battery life cut in half recently - DrReadUsbStatus issue?
My regular uptime on Samsung Galaxy S2 was around 6 days. For the last couple of weeks it is down to less than 3 days. The change was instant, but I was hoping it would come back - it did not. Running ...
4
votes
1answer
349 views
Is there any reason not lock the CPU frequency to the minimum while the screen is off?
To save battery, I have created a "screen off" profile with SetCPU that locks the CPU frequency to the minimum while the screen is turned off. Could this have any negative side effects on apps that ...
4
votes
1answer
231 views
Battery level on Asus eee pad Transformer with dock
I'm wondering if anybody knows how the battery level is measured on the Transformer when the dock is connected.
I fully charged the other day, and after few hours of use the battery level was still ...
4
votes
3answers
1k views
Android Antivirus Software (solution and battery life relevance)
Is there a security sollution for Android that's vastly regarded as "the best" one at the moment or is it like in the PC world where there's 3-4 which are "the best"?
Also, what should I expect to ...
4
votes
1answer
567 views
Can anyone reccomend a 2g / 3g switching widget?
I've just got my new HTC Desire HD and I want to switch 3G on and off as required. I used to do this on my old HTC magic and got quite good battery life compared to some friends with the same phone.
...
4
votes
3answers
130 views
When did my phone power off due to low battery? Is the information recorded somewhere?
I'd like to know when my Android phone powered down due to low battery. Is there a log or way to see this? I am running a new program that makes use of BlueTooth and I suspect that's the problem. I ...
4
votes
1answer
561 views
Auto sync only when connected to a specific wifi network
I am getting rather low battery life when using auto-sync on 3G. I have wifi in college and at home, so I'm looking for a way to enable auto sync only when connected to those 2 specific wifi networks.
...
4
votes
2answers
160 views
Suspend a phone
I was wondering if I could suspend my phone.
Let's say I'm running out of battery and I'm also expecting an important call in a few hours time. Instead of shutting down the phone and starting up ...
4
votes
1answer
110 views
Samsung galaxy 3 says charging paused. Battery temperature too low
I plugged in my S3 when it said 1% battery life and the red charging indicator light never came on, when i checked it a few minutes later it was at 0% and powered off. Immediately after that I tried ...
4
votes
1answer
263 views
Does APNdroid eat battery?
Someone suggested that APNdroid will cause your battery to drain because your phone is continually attempting to connect to the disabled APN. Makes sense, but I wonder if there's something I'm ...
3
votes
2answers
137 views
Service that syncs pictures only when charging
I've been using Dropbox camera upload to automatically sync my pictures to my PC using my data plan (this part is important, I can't use a wifi).
However, this autosync eats up the battery like ...
3
votes
3answers
235 views
What is my phone doing at 1 o'clock in the morning?
I have recently installed JuiceDefender (JD) and along with it JuicePlotter (JP). JP gives me a nice graph about my energy consumption over time. I noticed that around 1 A.M. my phone uses up more ...
3
votes
1answer
270 views
Minimized Apps: Do they consume more battery?
If I keep one or more app minimized in my Android Phone (Samsung Galaxy Y) will my mobile's battery will be consumed faster than if I had not minimized any application at all?
3
votes
2answers
922 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", ...
3
votes
1answer
132 views
What way of controlling volume is more battery efficient?
I have a headset with it's own volume control, and I can also control the volume of the music through the android's volume control keys.
But which way of controlling is more battery efficient?
...
3
votes
2answers
447 views
How To Prevent Uploading From Interrupting When Screen Is Off?
When screen goes off, uploads get interrupted especially YouTube uploads and everytime i have to resume phone to continue uploads. The problem is that in case of YouTube, videos stutter which i assume ...
3
votes
2answers
2k views
What can I do to increase battery life on my Android tablet?
Tablets have different usage profiles than phones. So many of the "Phone" suggestions don't apply.
So, what can I do to get better battery life on my Android Tablet.
(TechPad 7" Tablet from ...
3
votes
1answer
84 views
Why are individual apps not listed in my battery usage statistics?
I'm using an Asus Transformer TF300 running Ice Cream Sandwich. When I check Settings->Battery the only things listed are Screen, Tablet Idle and Wifi. Why aren't apps that I use being shown in ...
3
votes
1answer
638 views
Improve Android battery life by lowering CPU freq
I would like to know if it could be possible to use adb (Android Debug Bridge) to tell the phone to lower its CPU max freq.
I'd like to use less battery if possible, and in my use case I don't mind ...
3
votes
1answer
2k views
Get rid of 'battery-low' popup after some delay?
I'm using an Android phone (a Motorola Defy+ running CM9) with OsmAnd as a map solution mounted on my motorcycle (it just shows the map and a gpx-track as a driving hint).
It's not connected to a ...
3
votes
2answers
3k views
Galaxy S3 cell standby is eating my battery
My battery on my new S3 seems to be being eaten up by the cell standby using more than 50%.
I appear to get a decent signal on the phone. Does anyone have any idea why this figure would be so high?
3
votes
1answer
70 views
Can anyone explain to me what the % really refers to in the Android system, battery usage?
I am wondering what the different percentages really refer to in the battery usage section. I mean...in total I see more than a 100%. So it is easy to presume that it doest mean a certain percent out ...
3
votes
1answer
136 views
Why did my battery usage on 3G grow with the Android 2.3 update?
There were different nice features followed by the official update of Xperia X10 to Android 2.3 like the sound stuttering, but the most annoying is the following.
I live in the Netherlands and here ...
