Questions tagged [battery-life]
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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What is preventing my Android phone from going to sleep? It is eating through the battery quickly
My phone is the Motorola Droid 1, rooted and modded with CyanogenMod 7. This problem did not occur before I modded it. When I check the battery stats, the awake bar is always solid, so something is ...
Izzy♦
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Battery usage for keeping apps open
How much of an effect does it have on the phones battery life to keep applications such as the contacts application open. I ask because that app sometimes takes long to open the first time depending ...
CommunityBot
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1
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Why does my myTouch 4G lose battery so fast?
So I formatted my phone today. I have not used it, and it was at 100% this morning. No apps installed, the screen was only on for about 10 minutes. Yet when I go to check it now, about 12 hours later, ...
Izzy♦
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Why does my EVO Android phone screen keep turning on?
I have an HTC EVO and I can be sitting around doing nothing, when all of a sudden the screen comes on and stays on. I try to turn it off, but it keeps turning back on - sometimes after a second, ...
Izzy♦
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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....
Izzy♦
- 91.2k
8
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3
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Is there a way to tell when the battery is actually at 100%
I recently acquired an HTC Desire Z / G2, and installed Cyanogenmod 7 onto it. Something I've noticed though is that sometimes the battery drains very quickly, and sometimes it does not. Since I have ...
Izzy♦
- 91.2k
15
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charging from power outlet or computer? to save battery lifetime
I realized that charging my HTC Desire (Android 2.1) takes longer if connected to computer compare to power outlet.
Does it matter which method I use to charge in terms of battery life time?
Izzy♦
- 91.2k
1
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875
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Power being eaten by screen usage
This morning, when I woke up my phone was out of battery power. So when I checked the battery usage I see the message Display had been used 90%.
This kind of situation had never happened to me ...
Izzy♦
- 91.2k
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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 ...
Izzy♦
- 91.2k
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Which method of wireless tether uses the least amount of power? Bluetooth or Wifi?
If I'm going to wireless tehter to my Android phone what method drains the battery the least? Wifi or Bluetooth?
Izzy♦
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Android clearing recent applications list
After exiting the applications on my Galaxy nexus, they appear on the recent applications list. Do they still use CPU/battery? Do I have to remove them from recent applications list in order to save ...
Izzy♦
- 91.2k
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How much battery does using live wallpapers drain?
I know they are unnecessary, but they look so cool!
Izzy♦
- 91.2k
3
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1
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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 ...
Izzy♦
- 91.2k
0
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How can battery usage of Android be at 79%?
Till last night everything was kinda balanced.....most of the different parts of the usage were in between 20-35 %, but this morning after having activated the internet from my network provider, it ...
Izzy♦
- 91.2k
3
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3
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587
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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 ...
Izzy♦
- 91.2k
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Faster CPU means higher battery consumption?
A friend of mine and I have the Samsung Galaxy Tab 10.1.
His tab is flashed with a custom kernel giving 1.2Ghz instead of the 1Ghz I have by default.
Using antutu benchmark, we saw what we expected, ...
Izzy♦
- 91.2k
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0
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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?
Izzy♦
- 91.2k
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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 ...
CommunityBot
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2
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775
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What determines power management policies in Android?
I am just approaching to the Smart Phone and Android world and have a couple of doubts:
Which modules (and SW or FW?) decide the policies with which power is
given to any component of the Smart ...
- 36.8k
3
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3
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309
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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 ...
Izzy♦
- 91.2k
2
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3
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236
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Settings -> About phone -> Battery use bug?
When I open the "Battery use" screen it says that the phone is on battery for 14663d 4h 34m 53s, which is clearly wrong. The graph shows a linearly descending line. What is the problem? Why does the ...
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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 ...
Izzy♦
- 91.2k
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0
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117
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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 ...
Izzy♦
- 91.2k
6
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1
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Google Services battery usage
I recently updated to the 10.1 M snapshot of CyanogenMod for my Sprint Galaxy S3 (d2spr). Ever since I did the update, I have been seeing crazy high battery usage from Google Services. I have tried ...
CommunityBot
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2
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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 ...
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Is there any study on how which services/sensors consume the battery?
I am looking for some study/comparison on how battery-consuming are specific services/sensors (3G, Wifi, GPS, Bluetooth, accelerometer) in Android devices. I know that the exact answer might differ ...
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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 ...
CommunityBot
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7
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3
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835
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How can I tell why my sleeping phone occasionally gets warm (and battery is draining abnormally)?
My two Android phones are doing the same thing, Motorola Milestone and Samsung GS3. From time to time, it is sleeping in my pocket and it will start to get warm and the battery is then draining quite ...
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2
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701
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Saving battery life: pressing home button or back button
My friend said when using an app, pressing the home button saves battery life instead of pressing the back button. He thought by pressing the home button, the app stays in RAM so that when you reopen ...
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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 ...
CommunityBot
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0
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282
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Samsung Skyrocket - Maximize Battery?
I have tried a few alternative ROMs, and underclock using SetCPU, but I can't seem to find a truly effective way to have my Samsung Skyrocket's battery last for more than a day. My average usage time ...
CommunityBot
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2
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Is using chargers of phone not meant for it harmful to the battery? [duplicate]
Possible Duplicate:
Is my phone liable to explode if I charge it with a charger that came with a different phone?
Are Android chargers universal in terms of power (Voltage, amperage)?
As in, I ...
CommunityBot
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4
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1
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407
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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-...
- 12.4k
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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 ...
- 12.4k
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0
answers
355
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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?
- 12.4k
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1
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Number of Wi-Fi channels to be used?
Under advanced wifi settings one can change number of Wi-Fi channels to be used (11, 13, 14). Does anyone have a clue on how does this property affect battery drain? I know it should be configured ...
- 12.4k
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1
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Using a fully charged Galaxy Note
Is it safe to use a Galaxy Note that is fully charged and at the same time it is plugged in to the wall socket? I'm worried that the battery might be charging and discharging at the same time and it ...
- 176
3
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0
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618
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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 ...
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Android ROM, RAM, Internal storage, External storage and Battery utilization [closed]
I would like to know how the Android OS manages memory for Applications. When are the various memory hardware components like ROM, RAM, Internal storage and External storage used during an Application'...
CommunityBot
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2
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2
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527
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Does CM7.1 give a "low battery" alert?
I've been using CyanogenMod 7.1 since it became stable, and one feature I miss is the Low Battery alert. I've often come home from work, thrown my phone on the desk and forgotten to plug it in. When I ...
- 36.8k
6
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1
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265
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What happened to my detailed battery stats on my Asus Transformer Pad?
I have an Asus Transformer Pad tablet (TF300T). As with any other Android device I've owned, when I go to the settings menu and tap "battery", it gives me a detailed break down of which apps and ...
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Why has my GSIII's battery life dropped from 50-60 hours to 16 hours?
I have a GSIII (Sprint) running Android 4.0.4. In the last three days, I have not made any changes or installed any new software that I know of, but my battery life has dropped such that my phone, ...
- 39
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3
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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 ...
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2
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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 ...
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1
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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 ...
- 36.8k
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4
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Battery level indicators: Do they consume more battery?
I have a Samsung Galaxy Y phone, the battery level indicator that comes pre-installed in the status bar, shows only a graphical representation of the battery level and does not gives a number (...
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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?
CommunityBot
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Samsung Galaxy S2 on Sprint sudden Drop in Battery Life
Since I got this device in mid November to now, I have had great battery life usually lasting almost two full days and never having a problem for one day unless I'd been using it excessively. Suddenly ...
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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 screen)....
Izzy♦
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3
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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 ...
CommunityBot
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