Battery life is important for mobile devices. Questions regarding battery life should use this tag.

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3answers
22 views

Can GSM operator affect battery life?

I am using samsumg galaxy s3 mini. Couple of days ago, I changed the GSM operator I am using which has more signal strength and internet speed than old one. But I realized my phone's battery life ...
1
vote
1answer
19 views

GPS battery usage as a function of how often it is pinged for data

Consider an app that uses GPS to get location details. Those types of apps often use a lot of battery power. Here is what I am wondering; let say one app get the details every 5 seconds, and another ...
1
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2answers
21 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 ...
0
votes
1answer
23 views

Charging Nexus 5 to 100% [duplicate]

Is it wrong to fully charge your android phone in general to 100% will it hurt battery life? and is it also to drain your battery to below 20% will it also hurt the battery life?
0
votes
1answer
18 views

Which uses more battery? 4G lte internet or Wi-Fi?

I usually am within range of my Wi-Fi hotspot, and am using a Samsung Galaxy Note II. I've always wanted to know whether I'd have better battery-life if I was to turn off Wi-Fi? I have unlimited 4G ...
-1
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0answers
14 views

how many hours i need to charge my brand new mobile phone? [duplicate]

i bought brand new Samsung Galaxy Note 3 Neo SM-N750, at this moment it has 42% battery remaining do i need to wait for the complete discharge ? how many hours i need to charge it for first time ? ...
0
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0answers
52 views
+50

Unexplicable battery draining on Galaxy Nexus

Okay, so first some details: Samsung Galaxy Nexus (GSM version) Stock rom (rooted) Brand new stock battery (1750mah) I started suffering from unexplainable battery draining a few months ago. And ...
0
votes
1answer
33 views

Battery drain when wifi is off

I turned off my wifi connection and noticed a heavy impact on my battery life. In a few hours without any usage, it dropped more than the whole day before. See the drop at end while wifi (WLAN) was ...
0
votes
0answers
11 views

Faulty battery status indication

I have a Huawei Honor U8860 with Android ICS. I use two Mugen Power batteries. I always use one battery until it's empty, then charge it to full while using the other battery. Recently Android battery ...
1
vote
1answer
17 views

How to measure the charge left in a dying battery?

This question is not relative to a specific phone model, even though I will cite my P1000. My P1000 is 3 years old, and it is often suddenly turning off (no shutdown sequence, just goes dead) out of ...
0
votes
1answer
16 views

Android: Default Battery Percentage Level for individual services to switch off

We all know Android OS switches off services one by one when the battery reaches critical level. But is there any fixed battery level to cut down individual services. For example, Bluetooth will be ...
0
votes
1answer
28 views

“Battery Usage” page irrelevant

I have been doing battle with the battery vampires, apparently similar to a lot of people on here. I have a Samsung Droid Charge (SCH-i510), and service with Verizon. I have noticed my battery life ...
0
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0answers
55 views

Moto G battery drain by Google search

I have a Moto G and I have the Moto Assist enabled for sleep mode. Every morning I wake up, I see my phone has been kept in deep sleep as long as Moto Assist was enabled. After that time, even though ...
0
votes
1answer
78 views

How to make rooted android phone faster and avoid battery drain

I have rooted by Samsung S dous s7562 (645 RAM single core 1ghz processor)phone using Kingo Android root desktop App. I decided to root my phone as it was very slow . I have already done the ...
0
votes
0answers
27 views

Battery drain RATE alert?

i've used multiple generations of Nexus devices, some more stable some less. It seems like there is always some combination of hardware, system image and installed app set that creates a situation ...
0
votes
0answers
19 views

How can I make my Android phone request (negotiate for) more charge from (with) the host PC?

Hello there is a wonderful Q&A here about detecting how much charge your phone is drawing from the computer host: How do you check how much power a USB port can deliver? In my particular case, my ...
0
votes
0answers
14 views

screen problem issue in Nexus 7

Always,my screen takes up most charge in my Nexus 7. Usually 40-70% charge. I lowered my screen timeout to 15 seconds the least possible. I also lowered my brightness to the least possible. What else ...
0
votes
1answer
63 views

What is the effect of “power saving mode”?

Android OS from ICS and above has a "power saver mode" by default (I own a samsung) What does this mode actually do? If it reduces clock speed of cpu, then by how much? How does it attain this power ...
0
votes
0answers
56 views

How much “Keep awake” is normal for Google Services?

How much, in general, of "Keep awake", and "Wakeups" is normal for Google Services? When should I be alerted that something is wrong? For example, would 2 hours of "Keep awake" be normal for ...
2
votes
0answers
46 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
2answers
152 views

Brightness and battery use

When I turn down the brightness of the screen on a Samsung Galaxy Mega am I lowering power consumption or increasing the opacity of the screen?
2
votes
2answers
72 views

What is trying to connect to the network?

When I'm not actively using the network, I usually turn off Wifi, Bluetooth, and Data. Since upgrading from Android 4.3 (stock) to 4.4 (OTA update from my carrier) I notice two things: Battery life ...
0
votes
1answer
56 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 ...
0
votes
2answers
41 views

is more battery-dispendious shutting down or leave 3g on?

I know that many apps (like messaging apps eg whatsapp or facebook) every time like 30 seconds, ask the server for push notifications. I know that 3g has many state, when downloading data the consume ...
2
votes
2answers
1k 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 ...
0
votes
1answer
167 views

Why is Youtube draining the battery and what could we do?

A friend of mine just asked me a nice question: His (stock) Samsung Galaxy S4's Youtube is draining his battery. He said, that he hasn't been in the app today, and this morning he had the phone ...
0
votes
1answer
85 views

Droid Mini charging and battery problem

My Droid mini have a strange problem, when I am charging the phone with some USB cables it charges very slowly and phone battery discharging very fast. but when I charge with original cable it works ...
1
vote
0answers
43 views

Is slow charging bad for the battery?

I know that charging the battery too fast can overheat the battery and shorten battery life. But is charging it slowly, e.g. from a USB 2.0 cable plugged to a laptop, also harmful for the battery? I ...
0
votes
2answers
89 views

Why newer android versions drain the battery faster?

I've got an Android phone whose stock Android version is 2.1. I've tried several times to install some custom ROMs (mostly Cyanogenmod based) with Android 2.2 and 2.3. The full charged battery lasts: ...
1
vote
1answer
34 views

Will disabling LTE extend my battery life even if I'm not using it?

I was just wondering, if disabling LTE will improve my battery life even if I'm never using it (there's no LTE in my country).
0
votes
5answers
225 views

Is it normal for Wi-Fi to always be on?

I have a Nexus 4 running CyanogenMod 10.2.1.-mako. While trying to figure out why my battery life seems to be shorter than usual, I have noticed that my Wi-Fi is constantly on. Shouldn't the Wi-Fi ...
2
votes
0answers
33 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 ...
0
votes
2answers
318 views

Does cracked screen cause faster battery drain?

I dropped my Nexus 5 a week ago and the screen cracked diagonally 8cm from side to side. Since then I am sure that the battery drains faster than before. Previously I was always happy at how much ...
0
votes
1answer
242 views

Is it feasible install 3000 mAh battery to MMX A89 mobile?

Device : MMX A89 OS : ICS 4.0.4 Battery : 1400 mAh Is it feasible install 3000 mAh battery to MMX A89 mobile? As internet is ON on mobile so it's getting drain within 6 to 8 hours and I am not ...
0
votes
0answers
845 views

Exchange Services and Android OS/System draining battery

I'm using Samsung Galaxy S4 with Android 4.4.2, for about 5 months. I've experiences before some problems with battery, like sudden crashes when using apps intensively using graphics, but today the ...
0
votes
1answer
253 views

Batty drain issue on CM10.2.1-yuga / Sony Xperia Z - NFC Service using over 50%

I've recently put CyanogenMod CM10.2.1-yuga on my Xperia Z and I've noticed the NFC server is using an insane amount of the battery. Even after disabling the service in the App section, the ...
0
votes
1answer
381 views

Samsung galaxy note 2 android 4.3 problems

Is there a solution for the battery drain problem that the note 2 suffers after the 4.3 update? In my case the drain is most noticeable when the wifi is on. When its off battery lasts a good while ...
0
votes
1answer
68 views

Is less than 2 hours of battery life normal for Galaxy S2 with

Screen darker than | 5 times darker than normally possible thanks to Screen Filter app, removed more than 70 system apps (I have less than 40 now) with the rest except absolutely essential being ...
0
votes
0answers
40 views

Something eating my battery

I have my Nexus 7 2013 few months. Few weeks ago, for some reason battery start draining - it was empty after one day or so. I reinstalled whole tablet, and after that everything went to normal. ...
0
votes
0answers
96 views

Battery Life of the Samsung Galaxy Note 3 with andriod 4.4

Since the update on my Note 3, I have noticed a decrease in battery life. So my questions are, does the 17% increase in performance come in a decrease in battery life? Is it 4.4 using up more ...
0
votes
1answer
257 views

Which android devices have optimized encryption hardware?

I've been using a Nexus 5 for a while and using FS encryption. Apple's iOS Security document states that: Every iOS device has a dedicated AES 256 crypto engine built into the DMA path between ...
0
votes
2answers
99 views

Does the Google Authenticator app negatively impact a fully charged device

I have the Google Authenticator installed on my phone. I notice the codes are generated constantly. It appears the app is running constantly in the background. Does this app has a major impact on a ...
1
vote
3answers
125 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 ...
1
vote
4answers
116 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
3answers
645 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 ...
0
votes
1answer
69 views

Unbelievable fast battery discharge on some games

I've submitted an issue about my phone crashing: Issue Link which nobody here was able to help understand and resolve. Now I have better observations: after starting a game with almost full battery, ...
2
votes
2answers
124 views

Does 'Easy Battery Saver' work?

I ran some tests in my Moto G and it was quite disappointing. The first hour was dedicated to measure the performance in 'Intelligent Power Saving Mode', followed by an hour of the app uninstalled. ...
4
votes
4answers
5k views

mm-qcamera-daemon causing massive battery drain

Recently, mm-qcamera-daemon has been causing massive battery drain on my Nexus 5, and making it become rather warm. At the same time, the camera appears to be locked, meaning opening the default ...
0
votes
2answers
164 views

Moto X Battery Question

I'm new to android and the Moto X. (iPhone 4s previously. don't judge.) I purchased my Moto X a couple days ago (2/15/14) and overall I'm very happy. The battery life has me concerned though. ...
0
votes
1answer
1k views

Tablet idle issue in New Nexus 7 (2013)

Lately my new nexus 7 table's battery has been draining incredibly fast during idle. I noticed that the "tablet idle" item in the battery life menu is the highest out of all of them (sometimes up to ...