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

learn more… | top users | synonyms (3)

0
votes
3answers
199 views

Wifi battery saving tips or automation

A person that is not expert in computers & technology (including smartphones) bought a Galaxy Mini S3 and asked me some help. He is very old of age. The problem with this phone is that Wifi ...
0
votes
3answers
13k 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 ...
0
votes
1answer
351 views

Prevent runaway threads and ultimately physical overheating and battery drain on Android

I was wondering if there is a system monitor app that will raise (audible) alerts and offer app closure if it detects runaway threads on Android that cause physical overheating and battery drain. ...
0
votes
3answers
6k views

The battery of my Galaxy S 2 is draining very quickly…including on plane mode

I just got a Galaxy S II which I upgraded to ICS. I really struggle with the battery life. I have been looking around a lot on the forums explaining how to save my precious battery. I have done ...
0
votes
3answers
40 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 ...
0
votes
2answers
352 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
1answer
364 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
1answer
329 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
105 views

Nexus 7 rooting and battery life

I rooted my new nexus 7 the other day using the Nexus Root Toolkit. Before rooting I was able to get about a full day out of a charge and still be at about 20-30% but now my battery seems to drain ...
0
votes
1answer
123 views

Is there anything similar to APNS on Android?

Is there anything similar to APNS (Apple Push Notification Service) on Android? (APNS uses a single TCP connection between an iOS device and an Apple-controlled server, which issues push ...
0
votes
1answer
78 views

About WI-FI battery usage

I keep reading about how much battery does WI-FI use, but when I look in settings > battery, WI-FI shows with < 5% usage when I barely use the phone. And when I use it, the screen takes most of the ...
0
votes
1answer
297 views

What do the different coloured bars on the 1x1 widget in Better Battery Stats app mean?

I understand these are supposed to signify ratios of different phone states but I cannot get my head around which is supposed to be which.
0
votes
3answers
1k views

Sony Ericsson DISCHARGES when plugged in

I have a Sony Ericsson Live With Walkman (WT19i). About a week ago my phone started discharging when plugged in for charging using either a Samsung wall charger or the USB port on my PC. It charged ...
0
votes
1answer
62 views

How to stop all but 1 one app including their services?

My HTC Sensation's battery does not last long. I'm going for a Marathon race which should last at least 5 hours and I'm going to use 1 app (RunKeeper) for that period. I would like to preserve as ...
0
votes
1answer
365 views

WiFi tether without losing battery

So, as everyone already knows, when tethering data over WiFi your battery may overheat/lose battery/etc. What I want to do is while in my car: Stream internet over WiFi to >1 person Navigate with ...
0
votes
2answers
722 views

what could cause a sudden drop in battery life?

According to my battery graph the phone went from 85% to 0 in an instant. I wanted to add a screenshot, but I do not have enough reputation. The last time I checked it was nearly full, and 7 hours ...
0
votes
1answer
10k views

Why are Dialer, Cell standby, and Phone idle killing my battery?

HTC G2 with Cyanogenmod 7.2.0, T-Mobile. It used to last all day, I'd always plug the phone in before bed and it would rarely run out of energy before then. Lately it runs out mid-day. Today I ...
0
votes
1answer
643 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 ...
0
votes
1answer
270 views

App to show battery current or rate of change of voltage, short term info

Id like to have quick feedback about how what I do on my phone affects power usage, but cant seem to find a good widget or app for that out of the hundreds out there! Anyone know any? Thanks
0
votes
1answer
1k 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 ...
0
votes
1answer
545 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?
0
votes
2answers
22 views

Battery Status problem

I recently updated my Note 8.0 Wifi from 4.1.2 to android 4.4.2, and shortly after that rooted it (But kept the stock 4.4.2, NO custom ROMs or anything...). Of course, as I knew, the battery ...
0
votes
1answer
39 views

Should I accept 2,5 year old Samsung Galaxy replacement battery?

I've just bought a "brand new" replacement battery for my Galaxy Nexus phone. When on-line store's package arrived, I was more than surprised (actually, shocked!) to find out, that battery's ...
0
votes
0answers
47 views

How do I see battery usage after a complete drain?

I'm having the classic problem of sudden battery drain, but the twist is that I can never catch it in the act. I just find my phone dead when I pick it up to use. When I go to the Battery section of ...
0
votes
0answers
24 views

Can I run apps with similar function?

Recently I have installed Juice Defender and Greenify. Unknowingly I ran both of them. The result is pretty great (battery almost stopped discharging). Battery levels stood constant for hours when my ...
0
votes
1answer
29 views

Samsung duos remove and re-insert battery makes battery life sudden drop

I have a samsung duos i9082 without root. the battery life drop 10% - 50% when remove and reinsert the battery. So my question is. is this a battery problem or devices or software? Does replace a ...
0
votes
0answers
34 views

Samsung S3 mini battery discharges out of device quickly

Few days ago (I do not know since when exactly) my Samsung S3 mini started discharging really quickly (battery life only on 2G standby without phone/Wifi/3G usage only 10 hours). I removed the battery ...
0
votes
0answers
13 views

How is LTE data usage battery usage tracked, if at all?

I'm having a debate with a friend about how much battery usage LTE uses. In my experience, and apparently that of many people, disabling data grants a significant (30%) or so increase in battery life. ...
0
votes
0answers
45 views

Battery impact of Android always on wifi location scanning

Google Now is popping up a card that reads: Improve my location For more accurate location, let Google search for Wi-Fi connections, even when Wi-Fi is off. Is this likely to have an impact ...
0
votes
0answers
211 views

Is there a Battery Cycle Counter App?

I have an HTC One M7 (4.4.2) and battery life is starting deteriorate. It maybe that I have some misbehaving apps, but I'd be curious to find out the number of charge cycles my device has used since ...
0
votes
1answer
47 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
38 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 ...
0
votes
0answers
93 views

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
53 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
24 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 ...
0
votes
1answer
20 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
0answers
89 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
0answers
45 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
25 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
15 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
146 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
73 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 ...
0
votes
1answer
265 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
144 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 ...
0
votes
2answers
149 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: ...
0
votes
2answers
629 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
0answers
978 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
446 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
0answers
41 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
102 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 ...