Battery life is important for mobile devices. Questions regarding battery life should use this tag.
2
votes
1answer
2k views
Power Saving Option in Samsung Galaxy S3
I see there is a Power Saving switch in the Galaxy S3.
What makes the Galaxy S3 save power when it is turned on?
Is there a difference this and using JuiceDefender?
Can using JuiceDefender and ...
3
votes
1answer
131 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?
...
15
votes
2answers
753 views
Does 'poor' reception deplete the battery quicker?
In the area where I live I sometimes have trouble with reception. The Internet stops working for me or it takes time to load pages. The phone tries and tries to connect.
It seems to me that when this ...
4
votes
1answer
125 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 ...
-2
votes
1answer
135 views
How to estimate battery endurance before purchase? [closed]
Let me state obvious thing -- the easiest way to compare two phones would be to buy them and test them. However without such luxury, all I can do is estimating.
I listed such hardware factors -- in ...
7
votes
4answers
1k views
Will constantly having Bluetooth on drain my battery too fast?
I'm thinking about making an app which will require Bluetooth to be available at all times. However, if this reduces battery charge life significantly, then that's kind of a show stopper. Can anyone ...
2
votes
1answer
7k views
How can I boot my Nexus S with a broken power button? Can only boot to “Do not turn off target”
My Nexus S power button has stopped working and Samsung will not honor the warranty. The farthest I've gotten is to the Downloading screen with the yellow work ahead sign, that says "Do not turn off ...
0
votes
1answer
470 views
Can I prevent ICS browser from using CPU while in the background (without back-button exiting)?
I'm running ICS 4.0.3, and I notice if I have the Web app (default browser) open, but not in the foreground, it still uses a lot of CPU (25-50%), based upon the built-in Android Task Manager. Other ...
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 ...
1
vote
1answer
227 views
How much does an LCD's backlight drain the battery?
The screen tends to be one of the biggest consumers of electricity. How much of this is for the backlight vs the actual screen, particularly in the case of an LCD?
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?
2
votes
1answer
672 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 ...
2
votes
1answer
265 views
Is there a reason Google Reader drains this much battery?
It doesn't strike me as normal that Google Reader should drain more battery than even my screen. Is this a known bug, or is it a settings issue? I'm using 4.1.1
-1
votes
1answer
105 views
Is there any equivalent of Tegra 3's “-1” low-power core in Qualicomm's S4?
One of the reasons I greatly desired my next phone to be a Tegra 3 "4+1 cores" device was the (somewhat less advertized) 5th low-power core designed to prolong battery life by running low-power ...
1
vote
1answer
98 views
Latest Motorola update burns more battery on RAZR phone idle?
I had my Droid Razr tuned pretty well to give me 10-12 hours of use without going below 70-80% of battery life. Since the update to 6.12.181.XT912Verizon.en.US (GB 2.3.6), I'm now down to 40% in the ...
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 ...
1
vote
1answer
119 views
Why does my android phone gain battery when I turn it off and on again?
When I got my new android phone (ZTE N762), I noticed something. If my phone is about halfway on battery, and I turn it off for a few hours, it will gain battery life when I turn it back on, around ...
6
votes
2answers
4k views
Does disabling 3G while having WiFi save battery?
If I have WiFi enabled and 3G data disabled, does it save any battery relative to having both WiFi and 3G enabled? With WiFi enabled, I didn't know if 3G enabled would make any difference since it ...
6
votes
2answers
297 views
Battery life depends on type of charger
When I charge my HTC Sensation mobile with the charger supplied by HTC the battery duration is more or less 1 day (depending of the usage). But (here comes my question) when I charge the mobile ...
2
votes
1answer
2k views
How can I increase my Samsung Galaxy Tablet 10.1 battery life?
How can I increase my Samsung Galaxy Tablet 10.1 (Android) battery life?
I am going to use my Samsung Galaxy Tablet 10.1 (with WIFI and/or 3G) for marketing purposes:
It's going to play a movie non ...
2
votes
1answer
359 views
How to train the battery
I am trying to find the way to use my battery in the most efficient manner.
I found several suggestions how to achieve the longest life of the battery, and one of these suggestions is quite strange ...
32
votes
4answers
11k views
Do bright wallpapers spend more battery than dark ones?
I started wondering about this when I realized most websites I visit have white backgrounds, and I know that the screen is usually responsible for most of the battery usage. Since I can't change the ...
7
votes
2answers
936 views
Am I overcharging my phone? [duplicate]
Possible Duplicate:
Does constant charging harm my Android cellphone?
I am using my Xperia Active for application development. Given that scenario, I obviously have the phone connected to ...
3
votes
0answers
462 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 ...
5
votes
2answers
601 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 ...
2
votes
1answer
350 views
How to stop display turn on and consuming battery power, when using Headphones remote control or volume button?
I don't know if this depends on the music player (I'm using mort player music) or standby screen (I have widgetlocker app as lockscreen), I don't see any options in these apps to change this. In ...
5
votes
1answer
430 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
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 ...
0
votes
1answer
694 views
Xperia X10i slow
Did anyone experience the x10i to become very slow in any given day? After restarting work for few hours fine and then suddenly become.
Battery drainage is also very quick almost 4hours of some ...
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
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 ...
3
votes
1answer
179 views
Is my battery faulty
I've had my HTC Desire (latest legit firmware) for 18 months or so, and I believe this problem has existed for a while but it getting worse. It might just be time for a new battery but in case ...
2
votes
1answer
148 views
How can I ensure that I'm logged out of Google Latitude?
When in Google Maps, when I go into the menu, I see "Join Latitude" option next to Latitude icon.
When I am on Google Latitude web site, it tells me "Location sharing is not turned on"
Does that ...
0
votes
1answer
725 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 ...
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
4answers
863 views
Battery usage problem in Android 2.3.6
Since the update to Gingerbread the battery of my phone has the half duration than with the 2.3.4 version.
The "Battery Usage" in settings don't show anything abnormal.
Anybody have the same ...
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 ...
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 ...
6
votes
2answers
259 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 ...
3
votes
1answer
425 views
Is there any known memory leak in Gingerbread 2.3.3 fixed by occasional reboot? Related to battery usage?
I notice that when I reboot my Samsung Captivate, it runs smoothly for about 2 or 3 days. After that, I notice that there is a lot more lag with various apps, and the launcher screen is more likely ...
6
votes
2answers
1k views
Does encrypting the Xoom tablet use battery faster?
I recently decided to encrypt my Xoom tablet. The process went smoothly (full power, plugged in the whole time, took about an hour) but since the encryption, it seems like my battery life has ...
0
votes
1answer
288 views
Why is my battery life fluctuating?
I installed CM7 on my LG P500, and ever since the battery sometimes lasts 30 hours, sometimes for 8 hours, under the same usage and same power state (conservative). How can I fix this?
8
votes
2answers
206 views
Avoiding power drain
I just got a samsung Indulge this weekend and I’ve noticed that the biggest power drain on the battery is from the display. I’m blind, so I really don’t need to be able to see it at all. Is there a ...
0
votes
0answers
257 views
Music/podcast playback and battery life, best friends or mortal foes?
So I've gone through one normal day with my new Bell Samsung Galaxy S II at school. I unplugged at 7:11AM and it is currently 8:00PM and the battery is at 17% according to the Battery Indicator app ...
1
vote
1answer
325 views
Battery life in dual-boot HTC HD2
I own a dual-booting HTC-HD2 with MIUI on SD card.
I already knew, from tutorials, that in order to maximize battery life I should first-boot Android only with 100% of charge.
This is currently ...
6
votes
1answer
551 views
How much does Android use Wi-Fi for network discovery when not connected?
When I have Wi-Fi turned on, but not connected to any network, how much does Android use the Wi-Fi function? I'm asking this because apparently Wi-Fi activity uses considerable* amounts of battery.
...
5
votes
1answer
559 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?
5
votes
1answer
438 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 ...
1
vote
3answers
220 views
Verdict on Nexus S battery quality?
So... while I think my NS is a great phone, I am currently (very) disappointed with battery lifespan.
I mean, I don't have too much more than the usual installed - Whatsapp, FB, Maps etc. And I don't ...
4
votes
1answer
881 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 ...
