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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2
votes
2answers
9k views

My phone keeps slowing down and burning battery. How can I debug performance and cpu consumption? (DHD 2.2)

I know there are already a lot of threads about suggestions on how to improve performance and, strongly related, save battery life on your android. I also have tried most of the tools to diagnose ...
2
votes
1answer
416 views

Locale powersave plugin & Power Control widget

I use Locale app with powersave plugin. 3G is usually switched off except during scheduled syncing to save power. There are occassional situations when I would like to use 3G and I would like switch ...
2
votes
2answers
6k views

Google Services battery drain on Galaxy devices

Here are screenshots from my three Samsung Galaxy devices: Samsung Galaxy S3 Samsung Galaxy S4 Samsung Galaxy Note 10.1 2014 It seems, that in each case Google Play Services ("Usługi ...
2
votes
1answer
528 views

Does using an unofficial charger negatively affect overall battery lifetime of a GS4?

According to two employees at the Sprint store, using an unofficial charger for the Galaxy S4 will negatively impact the overall life of the phone's battery (edit: in other words, the battery will ...
2
votes
2answers
317 views

What are some reasons for big difference in time usage and small difference in mAh?

I have found an android phone with really good specs like 1.5GHz Quad Core, 1GB RAM, 5", HD screen. My question though is on the battery Battery Size: 2000mAh Usage Time: 6 Hours Battery Standby: 72 ...
2
votes
2answers
297 views

Power saver turns display brighter. Shouldn't it be darker?

When my battery is running low, the power saver turns on. When that happens, my display gets brighter. Shouldn't it be turning darker to reduce the power consumption? Is it normal to get brighter or ...
2
votes
1answer
492 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 ...
2
votes
3answers
4k views

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 ...
2
votes
2answers
496 views

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 ...
2
votes
3answers
113 views

Phone kept awake for half an hour after arriving home

My Moto X (2014) running Lollipop 5.0.1 sometimes starts chewing through battery upon arriving home after being away (or, possibly, getting back on a wi-fi connection is the trigger?). It does this ...
2
votes
3answers
228 views

Big battery usage

I have Galaxy s2 running android 4.1.2. My phone can eat near to 25% battery in 6h – and during this time I spend only ~5minutes on Facebook. I downloaded Wakeuplock and it shows that Google+ is ...
2
votes
2answers
380 views

Can I restrict Nexus 7 2013 LTE to 2G/3G, instead of just 2G?

In the settings on Google Nexus 7 2013 LTE, there is an option to restrict the device to 2G networks for better battery life, which makes it use 2.75G GSM EDGE. Why is there no option to do the same ...
2
votes
1answer
2k 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 ...
2
votes
1answer
551 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 ...
2
votes
1answer
198 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 ...
2
votes
3answers
211 views

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 ...
2
votes
1answer
842 views

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 ...
2
votes
1answer
961 views

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, ...
2
votes
0answers
78 views

Build android from source. Battery power incorrect

I added a kernel module to the msm flo kernel. I built android JB from source for my Nexus 7(flo). I flashed the device with the built OS. My battery power seems to be stuck at 100% remaining. I ...
2
votes
0answers
75 views

Why is GPS Status eating a third of my battery power?

I'm trying to have as little as possible running when I'm not using my phone. In the system settings under battery you can see what has been using the most power. I've been able to disable or ...
2
votes
2answers
19k views

Does charging a phone with another phone's charger affect it in any way? [duplicate]

I have a Samsung S4 and because its charger is short I charge it with a Samsung Wonder charger. I am afraid that it can damage the battery or something. Will it?
2
votes
0answers
466 views

2G vs 3G Talktime

When I was going through specs for my Xperia SP, I found the 3G talk time to be more than the 2G talk time. Talk time: Up to 10 h 25 min (2G) / Up to 19 h (3G) More over I went through the specs ...
2
votes
0answers
20 views

Is it safe to keep Android charging through USB all day? [duplicate]

When I'm in front of the computer, I always keep my Android phone plugged into a USB cable so it's always at a 100% charge and I can type text messages from the convenience of my PC keyboard. Still, ...
2
votes
1answer
308 views

How do I keep CPU off when charging?

When I connect the USB power source, it makes CPU to stay on (even though "Development->Stay awake" is off). When charging from a weak power source if makes battery to drain even faster than is case ...
2
votes
0answers
810 views

How to properly charge a Lithium Polymer battery [closed]

My battery is Lithium Polymer. I want to ask the following: Is a Li-Po battery essentially the same as a Li-Ion battery? Can I use my phone while it's charging? I've read that you have to calibrate ...
2
votes
1answer
3k views

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 ...
2
votes
0answers
172 views

Prevent complete charging?

I'm looking for a way to prevent my phone from completely charging every time it is connected to my computer. I want to reduce the battery's capacity loss, as it is non-replaceable, and it seems to me ...
2
votes
1answer
2k views

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, ...
2
votes
1answer
340 views

What factors does PowerTutor measure to show energy consumption?

I am trying to find the impact of the signal strength on the energy consumption of WIFI in Android using an HTC NEXUS ONE. I am sending several files starting from 1 kb to 600 kb. I use PowerTutor as ...
2
votes
4answers
896 views

Screen uses 99% of battery

I have Galaxy Ace S5830. I tried using many different Jelly Bean and KitKat roms, and with each one (clean installs, without additional apss) my battery behaves weird. When screen is turned on, even ...
1
vote
1answer
775 views

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 ...
1
vote
1answer
385 views

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 ...
1
vote
2answers
179 views

Shorcut on desktop that enables packet data and 3G

In order to save battery (it works a lot!), 99% of the time I disable packet data and I use only 2G networks, because I don't want the phone to go on internet / use data. But sometimes I want to use ...
1
vote
1answer
445 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 ...
1
vote
3answers
353 views

How to keep my battery life? [duplicate]

Possible Duplicate: What can I do to increase battery life on my Android phone? Today I woke up after a night without charging my phone (galaxy s2). and he's dead, last night he was almost ...
1
vote
1answer
83 views

How to list apps, which have a permission to access the camera?

I am experiencing the problem with the mm-qcamera-daemon on a Nexus 5 with 4.4.4, as described in this question. I would like to know if there is a way to see which apps have a permission to access ...
1
vote
1answer
593 views

Notification led's generic consumption?

Okay I know that all phones got different hardware, and that leads uses just a little power. But. What if I set my led notifcation speed to high (like the light will pulse faster)? How much would ...
1
vote
3answers
3k views

Nexus 5 whole battery drained in a single night

I charged my phone to 100% before going to sleep. I used it for only few minutes and found out my phone was off in the morning because all the battery was drained. I charged it and saw battery stat ...
1
vote
1answer
384 views

What kind of hardware problems is a cheap Android phone likely to have?

For development and application purposes an organisation I am with is considering buying a cheap Android handset here in India (this is the handset). But what kind of problems can one anticipate in ...
1
vote
2answers
489 views

How to prevent Nexus 7 of charging the battery every time when connected to a USB?

Hello fellow Android enthusasts, I recently bought a Nexus7 that I want to use for development. The thing is, every time I connect it to my USB, in order to test some apps on it, it starts charging. ...
1
vote
1answer
2k views

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 ...
1
vote
3answers
17k views

Battery drain with in no time in Samsung Galaxy Ace

I have Samsung Galaxy Ace for almost an year now. The battery of my phone get discharged now with-in no time of charging. The battery status in Setting -> About Phone - > Battery use shown the ...
1
vote
1answer
109 views

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 ...
1
vote
1answer
449 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?
1
vote
1answer
387 views

How do you change the screen background on Nexus S?

Just bought a Samsung Nexus S. No manual came with it. Apparently the moving default screensaver eats up heaps of battery life and I am not getting much battery life out of this new phone and I am ...
1
vote
1answer
411 views

Connecting to internet using Wi-fi portable hotspot or bluetooth? which one is more battery saving?

I have EDGE internet connection in my Samsung Europa I5500L (Froyo 2.2). I can connect to the Internet from my laptop using both bluetooth or making a wifi hotspot from the device using that EDGE ...
1
vote
3answers
402 views

Battery Life on Desire HD

Why does the battery for android phones perform much better after 2 or 3 weeks of usage? Is there any logical reason?
1
vote
1answer
88 views

How long device has been running since last charge?

In Android Lollipop, how do I see how long it has been since the last time I charged the battery? I mean I can get the approximate time by eye-balling the graph shown in Settings -> Battery. But, is ...
1
vote
1answer
118 views

How to drop out of airplane/flight mode periodically to check messages

I normally keep my phone in Flight Mode (called "Airplane Mode" under 2.2) in order to save battery power. When I have some time to check messages, I turn off Flight Mode, re-enabling the cellular ...
1
vote
1answer
604 views

Is it possible to turn off radio without turning of wifi on Lenovo k900?

I am currently having a look at the power consumption of a lenovo k900 phone and on the hardware side it seems Radio and Screen is using most of the power. I am planning to use wifi but not the ...