Questions tagged [battery]

For questions related to batteries on Android devices. Questions about battery life should be tagged with [battery-life]

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4answers
3k views

my samsung galaxy 2 battery is draining to fast!

I have an Samsung Galaxy S2 GT i9100. I have had it for quite a time, but today I noticed something strange: First my battery had not been charging while I was sleeping: when I woke up I had only ...
3
votes
0answers
578 views

Nexus7 Stuck in Reboot Following Full Discharge [duplicate]

I am experiencing the same symptoms as described in the following: " Nexus 7 is stuck in reboot loop after full discharge " My Nexus 7 is full discharged. I have it connected to Factory AC-to-USB ...
3
votes
1answer
528 views

VZW Galaxy Nexus exhibiting bizarre charging behavior

Lately I've noticed some weird behavior with my Galaxy Nexus. I am rooted, but running stock ICS. Here is what it's doing wrong: Phone sometimes will not charge, I must turn it off for it to start ...
3
votes
0answers
651 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 ...
3
votes
0answers
775 views

Is it OK to leave my Samsung Galaxy Ace charging all the time? [duplicate]

Possible Duplicate: Does constant charging harm my cellphone? Hello! I have the Samsung Galaxy Ace but the battery life is a bit of a problem for me. Can I leave it plugged in ie. charging all ...
2
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2answers
8k views

How to tame “Phone Idle” battery drain on unrooted device?

I use AccuBattery and Kaspersky Battery Life to measure energy consumption. Kaspersky Battery Life shows, that all the tasks use minimal energy. AccuBattery Pro shows, that phone uses 5-10 mAh. This ...
2
votes
3answers
6k views

Why Google play services not included in Doze mode

I'm using Nexus 5 and 6P, Android 6 having a feature called "Battery optimization mode" or Doze mode (in short). It is allowing apps not to run, if they aren't used to avoid battery consumption. ...
2
votes
10answers
20k views

Can't charge/power on Nook HD+

The device won't power on. The screen and status light show no indication of activity when pressing or holding the power button (or any button / pairwise combination of buttons for that matter). The ...
2
votes
3answers
2k views

What happens when using a cellphone when charging?

What happens when a phone is being used with the charger connected? Will it take power from charger and save the battery usage? OR At one end, the charger keeps charging the battery and at the ...
2
votes
1answer
555 views

What does the charge counter in battery indicates?

I have used the adb shell dumpsys battery command on my phone. It delivers the following results (posted on the image). Most of the terms, I can understand but not the charge counter. What does it ...
2
votes
1answer
2k views

Why do “android system” and “androd os” take 30% battery

in the battery stats "android os" takes 16%, "android system" takes 14%. How can i know why?
2
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7answers
9k views

Is it possible to remove the battery percentage on my Samsung S5?

I have a Galaxy S5 running 4.4.2, unrooted. In the top indicator bar, there is an icon of a battery, and a percentage of remaining battery life beside it (not inside of it, as I've seen other people ...
2
votes
1answer
4k views

How to know how much battery in terms of hours and minutes is left on my phone?

I want to know the remaining time of my cell phone battery. Android only gives me how much battery in terms of percentage has been consumed since the last charging. However, what I want is to know ...
2
votes
1answer
403 views

Why do Seidio's battery charging instructions say to leave it charging after it's full?

I have an HTC Droid Incredible. I bought the "Seidio Innocell 1750 mAh Battery for HTC Droid Eris/Droid Incredible", and the instructions that come with it say... In order to obtain the full ...
2
votes
2answers
56 views

Do fast charge technologies wear down the batteries quicker?

There are plenty of fast charge technologies out there, now seemingly going up to 120W, which can supposedly: ... capable of fully charging a 4,000mAh phone battery in just 13 minutes ... Now I am ...
2
votes
2answers
780 views

Why is “mdnsd” draining my battery and how to stop it?

This process (mdnsd) had been draining my battery for a few weeks. I have not been able to find a solution after a lot of search. I don't have any drone app, Facebook app or Firefox, although it's ...
2
votes
3answers
3k views

How can I find if I have a rogue background process killing cpu and battery?

On my Android phone (Sony Xperia Z3 Compact), I have a situation where it sometimes goes very sluggish, and the battery drains quickly. This seems to happen after roughly once a day, and lasts until ...
2
votes
2answers
2k views

Is there a way to leave the phone plugged in, but schedule when to actually charge it?

Under my normal daily use, my phone would have around 50~40% battery power left before I go to sleep. I don't want to keep my phone plugged in to charge over night, but I do want it to be at 100% ...
2
votes
2answers
1k 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. ...
2
votes
3answers
213 views

Battery usage by certain applications

Can I find out how much battery takes running of certain application? The goal is to minimize using applications that take a lot of battery and maximize battery persistence before having to recharge.
2
votes
1answer
254 views

Background apps and the battery

Every time I use Google Search, the browser or the music player of my Samsing Galaxy S II (Android 2.3), even if I push the back button until it brings me back to the home screen, the apps keep ...
2
votes
4answers
8k views

Galaxy S 2 battery won't charge while being on

First of all, LOVE the Galaxy s2, even though it has some problems - which phone doesnt, right? I've had the Samsung Galaxy S2 for 2 months. It worked fine. Since a week my phone won't charge the ...
2
votes
4answers
1k views

How can I see the full charge capacity of my battery?

I have a Samsung Galaxy S running Android 2.2. Is there any way for me to see the full charge capacity of the phone's battery, so that I can compare it to the spec? What I have in mind is something ...
2
votes
1answer
40 views

OnePlus 3 repair issue [closed]

The screen on my OnePlus 3 phone was beginning to peel away from the bezel. There was already a noticeable separation all the way along the top, and the problem was spreading downward along the sides....
2
votes
2answers
347 views

Samsung galaxy S4 not charging

One day my Samsung stopped charging, as to my battery was swelling up. The following day I bought a new battery and it is still giving me the same problem. It does not charge or show any sign that it ...
2
votes
3answers
1k views

Facebook Messenger consumes a lot of battery even if no messages are sent/received

I recently installed Facebook Messenger and it seems to be consuming a lot of battery, even if no messages are sent/received in a day. Below is the battery usage for reference. As you can see ...
2
votes
1answer
5k 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 ...
2
votes
2answers
2k views

Resettng an android device with non-removable battery

I'm planning to buy my first android phone which has non-removable battery. But in case the phone hangs what to do ? As in general case we remove the battery from the device and plug it in after a few ...
2
votes
1answer
1k views

How to switch the GSM/3G module off?

I only use my smartphone (Samsung Galaxy Chat) as a "pocket computer" (with WiFi) and don't use it to make telephone calls (I use a dual-SIM "dumbphone" for this). All the time it shows a cellular ...
2
votes
3answers
45k views

Will playing a game in a Android phone while charging damage or cause harm to the battery or the phone?

Will the following situation damage or cause any harm to the battery or/and the phone: The phone is being charging (regardless it is using the electrical outlet or via USB) and .. You are playing a ...
2
votes
2answers
3k views

LG P500 Not Starting After Full Discharge

My LG P500, with FroYo, doesn't seem to be working. I let my battery completely die and now, even while plugged in, it won't turn on. Is this normal and should I just wait the battery to be charged ...
2
votes
1answer
1k 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
84 views

Is my battery damaged?

I have an HTC 10 running stock Oreo with Sense, not rooted and S-ON. I bought this second hand and don't know whether the issue came up as the phone was upgraded to Oreo, or whether it had always been ...
2
votes
1answer
873 views

How to make phone boot automatically upon battery insertion (unlocked bootloader and root: yes)?

By battery insertion I mean current flowing on the battery pins, not the micro USB port. Description The phone in question is a Samsung Galaxy Xcover 4, the bootloader is unlocked, and I have root ...
2
votes
1answer
2k views

Allow instant boot after phone with empty battery is connected to power

Let's say my phone is out of battery, and has turned itself off. I get to a charger, and connect it. Maybe I need to make an urgent call. But my phone refuses to boot until the battery is at 5%. It ...
2
votes
1answer
212 views

Help me save battery, BBS dump included

I got fed up with my Android battery life and thought I should use it only when really required. Hence, I installed a minimum number of apps: Runtastic, Runkeeper, GPS Status & Toolbox, ...
2
votes
2answers
707 views

Battery Issue with Android 6.0

I upgraded my Karbonn Sparkle V to Android 6.0 recently. after a couple of days the battery drains quickly. hence charging the phone also takes hours. this was not at all a issue when it had lollipop ...
2
votes
2answers
8k views

mdnsd drains a lot of battery power in Xiaomi Redmi Note 4G. How do I find out which app calls it to run?

I have a Xiaomi Redmi Note 4G, and for few days my battery drains as hell. I checked the running processes, and found that the cause is mdnsd. Is there a way to find which app calls this process to ...
2
votes
1answer
10k views

Can I turn off all “Notification” of all apps, services in Android phone?

I found tips to improve battery in this link: http://www.gottabemobile.com/2012/10/30/hurricane-sandy-crisis-map-puts-shelters-storm-info-alerts-power-outages-on-mobile/ In this link - author said we ...
2
votes
1answer
6k 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 ...
2
votes
1answer
2k views

Android Estimate Battery Capacity

I have a phone with 3.7v, 1500 mAH genuine battery. This being said, the maximum power that this battery can hold can be calculated easily: 3.7 v *1500 mAH = 5550 mV. I'm trying to see what battery ...
2
votes
2answers
643 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
7k views

How can I remove the battery from my Samsung P1000?

My P1000 tablet needs rebooting but will not respond to any input commands. If I remove the battery I believe this will force the tablet to reboot. How do I get to the battery?
2
votes
1answer
565 views

Will the Samsung Fascinate work without a battery?

Can I use a Samsung Fascinate with no battery powered only by the power cable? (I'm assuming this is a handset specific question, but let me know if I'm wrong and the answer applies to all Android ...
2
votes
1answer
53 views

Are there any background data limits on Android API < 21?

As I know Android has two ways to stop the background networking: Restrict background data - user can turn off the background data on any application Power Saver Mode - stops the background data on ...
2
votes
1answer
82 views

Initial Charge Problems

I bought my Android last January and I forgot to charge it for 8 hours. What will be the effect on my Android and battery life? ( battery type is Lithium Polymer)
2
votes
2answers
216 views

Battery drains every time screen is turned on

I just bought a new phone, it is Android 4.4.2, but it seems that it has a problem with its battery. Every time I turn on the screen, the battery drops 1%. For example, the battery is 30%. then I ...
2
votes
2answers
1k views

Nexus 4 won't charge or boot (red light)

I have been reading a bunch of articles on ways to fix this "red light" issue. My issue seems a bit different from most articles as the red light does not show up when I plug in my charger. Articles I ...
2
votes
1answer
7k views

Does data reset wipe batterystatus.bin?

Does data reset delete batterystats.bin? Location of batterystats.bin file is /data/system/batterystats.bin. Note: NVRAM also remains in data partition but data reset does not wipe IMEI. Can I ...
2
votes
2answers
3k views

How to troubleshoot overheating and high battery drain in an Android Device?

Device info: Model : Micromax Canvas Nitro A310 Android Version : 4.4.2 Kernel Version : 3.4.67 Device Status : Rooted, Philz touch recovery, Xposed Framework installed Issue: My(relative's) ...