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

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2
votes
0answers
21 views

Samsung S4 won't charge from socket

I am looking for help before sending my phone to maintenance service. All of sudden my phone stopped charging from a socket. The phone is charging (bolt showing, charging screen showing etc) but ...
0
votes
0answers
5 views

VEGA LTE A is malfunctioning and cannot open

My phone VEGA LTE is malfunctioning and can't open. First it was restarting every 5 seconds, then later on can't control it so I let it do that so the battery will then be drained. Later on I checked ...
-2
votes
0answers
10 views

Battery problem [on hold]

solve my problem Samsung mobile galaxy s duos 2 problem set battery problem new battery but same problem 100% to 42 % mobile set functioning and after 40% to 39% present charging time set off and ...
0
votes
0answers
54 views

Make my phone stop charging at certain percentage?

Background I am using my rooted phone like a server; it is plugged in on charger 24*7. Neither charger nor battery becomes hot after battery reaches 100%, unless I use phone which confirms battery is ...
2
votes
3answers
656 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. ...
-1
votes
2answers
300 views

I have moto g 1st gen charging very slow

I have Moto G 1st Gen now the problem is charging is very slow it takes about 3 2 and half hours to full charge what to do now? should i buy new battery..??
20
votes
1answer
9k views

How does Android obtain battery temperature?

I am curious about the way Android phones obtain the battery temperature. Android has an API called BatteryManager which provides the value of instant battery temperature, but is there an actual ...
0
votes
2answers
85 views

Nexus 5X no “Charging rapidly” on original (stock) charger

After 7 months LG Nexus 5X now doesn't show "Charging rapidly" but only "Charging". Ampere app shows 1700 - 2100 mA max. Overall charging time now 50% longer than initially was. In accordance to ...
0
votes
1answer
36 views

Nexus 5 battery inaccurate

My Nexus 5 is very inaccurate with its battery life, it will usually die at about 90-85% but occasionally it goes to ~40% before dying. is there anyway for me to tell it "Hey! You have 0% battery, fix ...
0
votes
1answer
10 views

My Phone isnt working

I havent used my LG Volt phone for a couple of months because i bought a ios phone. My ios phone broke and i tried charging my LG Volt phone over night and turning it on no response. I tried taking my ...
1
vote
1answer
24 views

Can access Fastboot, but it isn't working. Software issue?

First of all, thanks for taking the time to read this. I know it's a long post, I'm just trying to be as detailed as possible. I've a Moto G XT-1032 that stopped working a couple days ago. It has ...
0
votes
1answer
35 views

How to decrease screen brightness without draining extra battery

I am currently using ZenFone 5 now with android OS 5.0. Even though I've set my brightness to the lowest but it is still too bright for me, and it's battery capacity is low too... so is there any ways ...
0
votes
0answers
16 views

Phone won't charge at all!

My ZTE blade buzz phone won't charge at all. When connected to a wall socket(using own charger) , the charging indicator shows up, but percentage stays at 0%. I tried charging it from PC using it's ...
0
votes
0answers
5 views

Share battery charge in home network

Is it possible to share the percentage in my home network to integrate it in openHAB (smart home software). Example: the charger turns on, when a tablet or phone goes low and turns off at 80-90%
5
votes
1answer
1k views

Download Manager causes high CPU usage on Motorola Razr with stock Android 4.0

My Razr (Stock ROM 4.0) is very very hot. After some research I found com.android.providers.downloads is responsible, since it's using about 60% of CPU. I have tried killing it, and it respawns, ...
0
votes
4answers
6k views

Samsung Galaxy S2 shuts off when plugged in: screen goes black then a grey empty battery appears

Samsung Galaxy S2 shuts off when plugged in. The screen goes black then a grey empty battery appears for a second then disappears. This "flashes" several times in about 4-5 second intervals. I can not ...
30
votes
9answers
81k views

Why is charging from computer using USB slower than using an outlet?

And what is roughly the ratio of the charging speed in USB vs charger? My phone is Samsung Galaxy S, if that matters.
3
votes
1answer
35 views

Phone only works with busted battery

I have a Samsung Galaxy S3. A few days ago I noticed that the phone shut down on it's own, but when I plugged it to a charger it showed that the battery still had 20%. When I removed the battery I ...
0
votes
1answer
25 views

Android Tablet Won't Stay Off

I have a Cube U30GT Mini tablet with Android 4.1.1, kernel 3.0.8, Rockchip rk3066. This tablet won't stay off unless the battery is dead. Doing a normal "Power Off" just reboots the tablet. If the ...
0
votes
1answer
26 views

battery charge stops at 99%

My phone is Kyocera Hydro Icon, running Android 4.4 After using it for almost a year, recently charging its battery stops at 99%, indicated by the battery icon and the corresponding LED staying red ...
0
votes
0answers
12 views

Is the local phone date saved with the battery?

I just changed the batter of my phone, and after I restarted it, the date was set to 0 (1. January, etc.). When I connected it to the internet, it corrected itself. This hasn't happened to me before, ...
2
votes
2answers
5k views

WiFi drains battery even if it's off

On my Nexus 5, since Android updated to marshmallow, the Wi-Fi is draining the battery way too fast, even when disabled. See the screenshot: (Click image to enlarge) I've seen this question: ...
0
votes
2answers
3k views

Battery drains very quickly on Samsung Galaxy S5

I have purchased a Samsung Galaxy S5 from the store. I open it and I begin by charging it for the first time, but without turning it on. The battery was 61%, so I waited until 100%. After that, I ...
0
votes
0answers
83 views

Location is always running by android system in app ops

When i look at application permission tab location request of maps google play services and android system keeps running everytime. I guess these apps didnt behave like this before and it eats ...
0
votes
0answers
35 views

Elephone P7000 - Battery heavily dropping even with new battery and new OS

I have a Elephone P7000 (a year old) and since months I try to fix the issue of having my battery to drain extremly fast after a certain point like this I tried this: Replace the battery. Reset ...
0
votes
1answer
4k views

Cannot charge due to low battery temperature on Lenovo P780

My Lenovo P780 won't charge because the battery warning always pop up & says that charging is paused due battery's temperature is too low. I have checked the battery's temperature & it is ...
1
vote
2answers
4k views

How to calibrate a new Nexus 5 battery that's higher capacity than original?

Just got a KBTEL battery that's 3800 mAh compared to the original 2300 mAh nexus battery. I charged it dead overnight, and now its been running for more than 7 hours and the capacity shows below 5% ...
0
votes
1answer
26 views

Samsung won't turn on past the logo screen

My Samsung S4 mini won't turn on past the Samsung logo screen. I've tried holding down the down power and menu button at the same time and clearing the cache partition thing and rebooting it from ...
0
votes
0answers
22 views

replacement battery for HTC ONE MINI not working correctly

help...I replaced the battery in my HTC ONE MINI with a advertised OEM replacement battery. When the phone is connected to it's charger, the red light comes on briefly, then starts and continues to ...
1
vote
1answer
4k views

Having serious technical problems / crashing on my Samsung i9300

I have a Samsung Galaxy S3 (i9300) that I've been using for slightly over a year. I am a rather heavy-duty user of the phone, and have used in intensively for that time. I do take care of the phone ...
0
votes
3answers
84 views

Nexus 7 (2012) won't charge or start after a series of problems

A year or so ago, I bought an old Nexus 7 that was very slightly used (I took it off my girlfriend's hands). Everything worked fine, but I barely ever used it. Two days ago I broke it back out. I ...
1
vote
0answers
103 views

alcatel onetouch FierceXL battery is draining too fast

I've only had my onetouch for 3 weeks now and all of a sudden the battery started draining rapidly, even when I plug it into the charger, and charging very slowly. If i use the phone at all when its ...
0
votes
0answers
31 views

Device stopped charging or detecting USB

This is weird, i was developing on android studio and then suddenly my device stopped detecting USB, i tried rebooting and now device lost detecting USB and even Charger. totally no icon when plugged ...
1
vote
0answers
46 views

LG G2 wrong battery size report

I get a LG G2 with Android 5.0.2, and when I check the battery it says that the capacity is 1900mAh instead 3000mAh that is the real amount of battery capacity. I make a little research and found that ...
6
votes
2answers
5k views

Can Android app repair battery's bad cell?

I know this was covered in a different post, but I've been wondering how this app can actually make a difference in battery life. I've tried many of these, and "Repair Battery Life" is the only one ...
18
votes
2answers
7k views

Charging over USB can be harmful?

Considering that charging over USB can take around 5 hours (to only 1-2 hours it would take from the wall mounted plug), can it be harmful for the smartphone battery if it's always charged from USB?
0
votes
1answer
287 views

Why does ulrdispsvcfastwl wakelock keep draining my battery?

I am using Slimkat ROM on a Nexus 5 with At&t. My battery life has been excellent with this ROM. Recently I've been getting a ulrdispsvcfastwl wakelock that will keep the phone awake continuously ...
1
vote
3answers
1k views

will gaming destroy my phone battery?

I think games probably destroyed my Note 2 battery. I often play games for hours straight while charging. Last Sunday it was dead with horrible heat. Then I borrowed friend's mpj backup battery, ...
0
votes
0answers
21 views

OS Services are causing WiFi modem to wake up

I bought a Note Edge and currently I'm using Android 5.1.1 on it. It works flawessly so far, except the fact that OS Services are constantly waking up modem every second, when the screen is on. It ...
2
votes
0answers
36 views

Is it possible to find out what is accessing the Bluetooth service?

Is it possible to find out what is accessing the Bluetooth service? Right now I have an issue in which my phone will drain after about 8ish hours. The Battery view is showing Bluetooth as the top ...
0
votes
0answers
20 views

Galaxy Tab Coma Bricked?

I have a Samsung Galaxy Tab Pro 10.1. It turned off and did not turn back on, how can I recover it? Details: It is not jailbroken. It was running the Samsung firmware that comes with the automatic ...
3
votes
0answers
4k views

Excessive data and battery usage with Samsung S7 on Android 6.0.1

Recently I bought a Samsung Galaxy S7. I had an S6 Edge, and no problems with Android OS data usage/battery drain. The big problem is, I don't know why, but Android OS is eating my mobile data and wi-...
1
vote
0answers
62 views

Battery Percentage Recalculate (Not Calibration Reset)

When I'm busy and don't want to reboot, I put the android phone on charge and pull out the battery and put a charged battery in quickly (without reboot) But the battery percentage level does not ...
9
votes
4answers
15k views

How can I take a photo when battery <20%?

How can I take photo when battery level is less than 20%? My Samsung Galaxy S always says "battery low" and then closes the camera application when I try to. Is there a way to get around this? Or is ...
8
votes
1answer
31k views

How to set gmail sync frequency?

I want to know how often Gmail checks for new emails because I need longer battery life. How can I see/set this? I want to set it so that, for example, it checks for new mail every 10 minutes and ...
3
votes
1answer
346 views

How to determine maximum capacity of a battery in mAh? - received fake battery

Is it an increasable value ? I think its not. I just bought an extended 3890 mAh battery for my Galaxy S4 GT I9500. The original Samsung battery is 2600 mAh. This is my second purchase from a ...
1
vote
1answer
126 views

Why does Battery Doctor say my battery is 50% charged while Android says 23%?

Battery Doctor says my battery is 50% charged while Android says 23%: Is there any reason why? I use a 4200mah Extended Battery on Samsung Galaxy SIII with Android 4.1.2.
3
votes
1answer
226 views

Where are the battery capacity files located?

Background My current device Huawei Honor 6 comes with a 3100 mAh battery. I was therefore surprised to see 3C Toolbox Pro report the capacity as 4000 mAh. I mailed the developer of the app and his ...
1
vote
0answers
2k views

Is there a battery cycle counter app?

I have an HTC One M7 (4.4.2), and the battery is starting to deteriorate. It may be that I have some misbehaving apps, but I'd be curious to find out the number of charge cycles my device has used ...
1
vote
0answers
26 views

2 years old Zenfone 5, how to control battery use?

Sorry for asking about such an overdone subject. Question is, I have a (as of now) 2 years old Zenfone 5. Android 4.4.2, ZenUI, not rooted (yet), Energy Management off, stock charger. ...