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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1answer
41 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).
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1answer
116 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 ...
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3answers
197 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 ...
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1answer
46 views

Is there a way to find out if a given app supports GCM (like APNS)?

Is there a way to find out if a given app supports GCM (Google Cloud Messaging)? (GCM is Google's version of APNS.)
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1answer
340 views

Is there any battery-less Android-based device

I'be been working on some Chinese (bit crappy) device, with own system, that had one wonderful (at least for me) feature. When constantly powered-up (plugged to power adapter) it could work without ...
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1answer
4k views

Is it better to detach a charger when my Android device gets fully charged? [duplicate]

When using my Android device at my desk, is it better to (from a battery health point of view) detach a charger as soon as the device gets fully charged, or is it ok to keep it on the charger? I like ...
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1answer
683 views

How can one know if one's battery is damaged

What are the signs of a damaged or completely drained battery for Samsung Galaxy Note II? The battery displays it is empty and yet does not charge. It does not power the phone either. Am confused
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1answer
2k views

Why does Better Battery Stats say my Galaxy S4 is awake 100% of the time?

I think the screenshots speak for themselves. Can't pinpoint a reason from what I see. Anyone can help please? Thanks Screenshots (click images for larger variants)
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1answer
462 views

What does power saving do exactly?

What changes happen in functioning of the phone after you turn it on? My device: Samsung S3 Mini
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4answers
8k views

Battery drain on Galaxy Note-I after updating to Jelly Bean

I have Galaxy Note-I (N7000), and upgraded to Jelly Bean 4.1 today. The battery drains fast. Do we expect any update from Samsung on the battery drain issue, or do I need to downgrade to ICS?
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1answer
858 views

Battery getting charged with ultra speed and continuous at 1%charge for more than 9 hrs

My neo v battery getting charged with in ten min from 0 to 100 percentage( Exponential growth graph ) with ultra speed and getting discharged to 1%( it also give alert showing last 1% left, keep ...
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1answer
3k views

How much battery savings to expect from SetCPU? [closed]

Has anybody done any serious measurements as to effects of SetCPU (or a similar power-saving app)? I mean, are Google and Linux developers really that stupid not to properly implement power ...
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1answer
1k views

How to properly close running apps while avast! Mobile Security is installed/ running in the background?

I've just installed avast! Mobile Security on my Samsung Galaxy SIII. Runs perfect so far, but I can't close my programs running in the background anymore. I used to do this by pressing the button ...
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1answer
201 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 ...
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1answer
123 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 ...
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2answers
3k views

HTC Thunderbolt: Why do I have serious text messaging and battery problems?

I just bought a Verizon HTC Thunderbolt Android phone. My battery lasts just 3 or 4 hours... the phone has to basically be plugged all the time. Any suggestions on how to improve this situation? Also, ...
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0answers
10 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 ...
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0answers
15 views

Is it safe to leave the charger connected to the tablet through the night, or that it will shorten battery life [duplicate]

I have a Chinese tablet with a red indicator while charging, which turns orange when it is fully charged. Is it ok if it remains connected to the charger after charging is complete?
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2answers
349 views

com.android.systemui rapid battery drain

I have a Samsung Galaxy S5 that is approximately six months old. My OS version is 4.4.2, and my provider is AT&T. The battery in my S5 will usually last me 2-4 days without charging, depending on ...
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0answers
131 views

How can I troubleshoot what is causing 'Android OS' to eat up lots of battery?

Are there steps I can take to rule things out eventually leading to a root cause? I am currently using the latest Dirty Unicorn ROM on a Nexus 5. For the same of argument, consider the case where ...
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1answer
35 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 ...
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1answer
230 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 ...
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0answers
48 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 ...
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1answer
31 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 ...
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1answer
86 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 ...
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0answers
100 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 ...
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2answers
13k 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?
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0answers
290 views

Stay awake while charging, bad for battery?

Is it bad for battery to use the option to stay awake while charging? Will it make my battery drain faster in the future? PD: I use my phone for app development. I have activated the stay awake ...
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0answers
315 views

Does GCM always work over cellular data, as APNS?

APNS always works over cellular data, even if you are connected to WiFi (because WiFi uses extra power, and thus iOS devices turn it off during sleep, without affecting APNS). Is GCM (Google Cloud ...
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1answer
5k views

How do I automatically turn off my android tablet when battery is low

I'm having problems with a android tablet that freezes when the battery runs low. Is there an option in android or an app that could turn off the tablet when the battery is below a certain % of power ...
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1answer
343 views

How to solve the short battery life with galaxy s4?

I bought Galaxy S4 in just half year. However I found some wrong with the bettery, my phone shutdown automatically recently with over 20% battery. I can only use the phone for two hours after my phone ...
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0answers
158 views

How can I recover lost Contacts on Galaxy GT-NT7000. Contacts and Dialer App became very slow and battery runs down fast,

This is a RAM issue and lost contacts issue (contacts not saved under Google). The log of text messages with all contacts, since start, is all, still there. My Android version is 4.2.1. I have had 3.5 ...
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0answers
269 views

Samsung S3 Mini power save mode activity

I'd like to use power saving feature available in Samsung's TouchWiz in Llama but the only way to do this is to tell Llama particular activity/intent to run I guess. As in this thread on XDA. I'm ...
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2answers
128 views

Full battery completely depleted within a few hours without any user activity — what to do?

I left my phone on the table with full battery without doing anything with it. After a few hours the battery was completely depleted, and the phone automatically shut down. What could cause such a ...
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0answers
779 views

Galaxy S3 Mini drains excessive battery when Wifi is ON

This question is linked to this one: Wifi battery saving tips or automation This time, the question is different. I have here a Galaxy S3 Mini phone that behaves strange. When Wifi is OFF, battery ...
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0answers
4k views

Custom ROM to improve Galaxy I9000 battery life (if mostly standy)? [closed]

I have a Galaxy S I9000 (2.3.6, Gingerbread.XXJW4) and use my phone minimally (mostly just on standby). I would like a least a couple of days, and hopefully a week or two between recharges if possible ...
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0answers
108 views

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 ...
1
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1answer
387 views

Enterprise (802.1x) WiFi causing excessive battery drain?

In the past week, realised that WiFi at work (using 802.1x auth) has been draining my battery like crazy. Here are some stats I took over the past few days: Case Connection Duration ...
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0answers
106 views

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 ...
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2answers
854 views

Battery life indicator has failed

A week or two ago my battery life indicator for my Motorolla Atrix 4G has ceased to working properly. The indicator indicates the battery drains ridiculous fast and it's inaccurate. I'll fully ...
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2answers
22k views

Why is “Samsung Push Service” using so much of my battery?

Looking at the battery usage summary on my Galaxy Ace Plus (GT-S7500), I found that "Samsung Push Service" (v1.0.4) has used 29% of my battery. I'm having problems with the battery not lasting very ...
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0answers
347 views

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? ...
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1answer
606 views

Neo V with 4.0 ICS update — battery problem

My Sony Xperia Neo V battery performance has gone down very badly after upgrading to ICS. It mainly happens when I have my mobile data/internet turned on. How can I improve the battery performance?
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0answers
336 views

Handsfree profile sniff mode

I recently connected a bluetooth module (BTM511) to my Android phone (SG2 running android 4.0), using both the handsfree and the headset profiles. I notice that the Bluetooth device never goes into ...
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0answers
196 views

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?
1
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0answers
264 views

Android 2.1 - MyTouch Slide 3G - Tips to Fixing Slow Phone & Poor Battery Life [duplicate]

Possible Duplicate: What can I do to increase battery life on my Android phone? What are the best applications or best practices for fixing slow operating phones and poor battery life on ...
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3answers
657 views

Battery Issues-Moto E

I am facing battery issues from days,the battery does not survive even a day even without using the internet. Tried uninstalling some apps but to no effect.It is happening 10 days after 4.4.4 kitkat ...
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4answers
506 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 ...
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2answers
72 views

Are there any issues in storing an Android battery?

I want to buy a 2nd battery for my i9100 because the phone is getting old and I don't know if parts will be easily available a couple of years on (don't want to upgrade, I like it too much), but I've ...
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2answers
57 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 ...