For questions specifically about issues with battery charging or power supply.

learn more… | top users | synonyms (2)

0
votes
1answer
38 views

Should I charge phone overnight or let battery down to a minimum?

For many times I found myself in a situation, that my battery charge was about 25-30% when I was going to sleep. Since I was always told to not let battery down below 20% (correct me, if that's wrong) ...
2
votes
1answer
61 views

Computing when on charger - long term effects on battery life

Donating your computational power for scientific projects is, in some cases, available for Android. One of them, the World Community Grid, states that "Using the application will not significantly ...
0
votes
0answers
24 views

Tablet wont get charged after continous use of a different charger

My Android tablet had a charger with output 5.0V 2000mA. Of course, it got damaged and i found another charger that suits the size.Its output was 5.0V 880mA.I used it for months.I noticed my tablet ...
0
votes
0answers
14 views

decresing in power when charging

I have an HTC vivid 4g and anytime I insert its charger the phone will start decreasing instead of adding .Like say when the battery's 60% it will show a pop up that your phone is using morepower than ...
0
votes
0answers
11 views

Note 3 not charging after rebooting by itself

I was testing an app with the USB connected to PC and suddenly the phone rebooted itself and now it couldn't connect to the PC and cannot be charged even with the plug.
0
votes
1answer
42 views

How can I have my device charge only when battery is below a given percentage?

So I've mounted my Nexus 7 onto a wall and use it as a sort of info screen / home automatisation device. Now this would require the screen to be on all the time which is why I want it to be connected ...
0
votes
1answer
191 views

Samsung Galaxy Note 8.0 (GT-N5100) USB connection & charging problem

I'm having problem with my Samsung Galaxy Note 8.0. When I connect it to a laptop/desktop computer it just won't acknowledge the connection. I just wanna transfer some files to my tablet. Before it ...
0
votes
0answers
41 views

Nexus 7 max battery capacity dropped so fast

I own a Nexus 7 2012 running Android 5.0.2 Two months back when I installed battery doctor and checked my maximum battery capacity it showed 3950mAh. Uninstalled the app, yesterday I re-installed the ...
0
votes
0answers
7 views

Can I leave my note 2 charging? [duplicate]

The guy I bought my phone off of said there was a problem with the note 2, where i should not leave my phone plugged in all the time becuase the battery could overheat of whatever.. So I dont have it ...
1
vote
1answer
279 views

How long device has been running since last charge?

In Android Lollipop, how do I see how long it has been since the last time I charged the battery? I mean I can get the approximate time by eye-balling the graph shown in Settings -> Battery. But, is ...
0
votes
1answer
90 views

Auto turn on after power on for an Android-based device

If I'm not mistaken, if an Android-based device is turned off (or powers down due to completely exhausted battery) and then is charged up again, it will automatically boot only to battery charging ...
1
vote
1answer
137 views

Powered USB hub not charging phone. Kernel options?

I got a powered USB 2.0 hub (ET-UP900). As power source I am using the phones charger. But if I connect the hub with my phone (SM-C115) it does not charge. If I connect the charger directly it works. ...
0
votes
0answers
47 views

qmobile i12 is dead built in battery whatt to do

i bought Qmobilei12 on 12 October 2014.after using i just put my mobile on the shelf after a hour when i picked it than it was totally dead i put it on charging but the phone is still dead don't know ...
0
votes
2answers
60 views

Samsung Ace 2 with Cyanogenmod turns itself on when put on charger while turned off

It started happenning after repair. Could it be a software setting that was changed in repairshop or is it a hardware issue? All they did was replace mini-USB port.
0
votes
0answers
59 views

Configure android phone to start charge only after discharging 70% or below

I have an application where my phone needs to be in continuous charging mode. I understand most smart phones would have a mechanism that cuts off charging after the phone has been charged to 100% and ...
2
votes
1answer
52 views

How to use an external sd card and recharge the battery at the same time

I'm an happy owner of the tablet nexus 10. It is very good. Some time ago I've bought the leef connector because I want to use an external sd card : as you can see from the picture,there is a ...
0
votes
0answers
250 views

Battery draining faster after recharging on Galaxy S4 Mini

I'm struggling with my Samsung Galaxy S4 Mini. Actually the battery is very good and since I don't use my phone a lot, it lasts pretty much 2 days when I let it die and full recharge it. The issue ...
0
votes
0answers
19 views

Occasionally daydreaming won't work

On my 4.2.2 tablet randomly does not work. I set device to daydream with clock when charging and I have "dont sleep" unchecked in developer options, but sometimes instead of showing the clock device ...
0
votes
0answers
44 views

Is maximum capacity of a battery in mAh a increasable value? - received fake battery

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 different seller, after discovering ...
0
votes
1answer
102 views

Turning off Galaxy S4 while charging

I manually upgraded my Galaxy S4 to Kitkat; since it was rooted, upgrade couldn't be done automatically. It was successfully done but thereafter my phone turns on automatically whenever a charger is ...
0
votes
2answers
63 views

Does Using 2.0 or 3.0 cables affect charging speed with same adapter?

Using my Note 3 If i charge my phone using the same adapter but with different cables, does that affect the charging speed with the 2.0 cable or 3.0 cable. am supposing the 2.0 cable is of best ...
0
votes
0answers
124 views

Asus ME302C tablet charging problem

This is in continuation to my earlier question (Asus ME302C tablet charging forever and doesn't start). Somehow my account is messed up so posting new question. My ASUS ME302C tablet stopped ...
4
votes
2answers
68 views

is there a reliable source of charging current?

I am testing several chargers and cables to find the optimal combinations for a fast charge. I was so far using CurrentWidget and was getting just a few values, (independently of how much the battery ...
1
vote
1answer
422 views

HTC One M8 Charging Issues

I just wanted to check if my HTC One M8 is working fine, I just got it and it's brand new but the battery runs out in 4 hours of non stop use and mobile data usage and when I charge it, it charges at ...
1
vote
0answers
53 views

How do I set battery charge min-max range to make it degrade with time less?

As far as I know, LiIon batteries should be kept in about 40%-80% range in order to degrade more slowly. On my laptop I use the following commands to make it change battery conditionally, only when ...
1
vote
1answer
83 views

Samsung Galaxy S2 new battery dying too quickly

I'm trying to figure out if the new battery is faulty or if there could be something else causing the battery to charge the whole night and then die after half a day. If I take out the charger while ...
0
votes
2answers
783 views

Asus ME302C tablet charging forever and doesn't start

My Asus ME302C tablet was giving charging problem lately and is completely dead now and not starting up. Around 5 days back, its charging got stuck at 55% and it never went ahead even after charging ...
1
vote
1answer
14 views

Is it possible to configure the phone to charge when the battery left X amount of juice?

Illustration: I plug in an android phone to either a power bank or a charger. However, I do not want it to start charging immediately. I want to configure the phone such that when the android phone ...
0
votes
1answer
797 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
122 views

How do I override charging current on Huawei Honor 6?

On SonyEriccson Xperia X10i I do this: echo 1000 > /sys/devices/platform/msm_hsusb/gadget/chg_current This allows faster charging from computer's USB port (if I know it can source more than ...
0
votes
0answers
508 views

LG G3 not charging

My relatively new lg g3 randomly just doesn't charge. I changed outlets, blocks, cords, buildings, basically everything I could think of and it just doesn't work. PLEASE HELP!! Btw: I am thinking of ...
0
votes
1answer
29 views

Is it safe to use an LG charger on a Moto X? [duplicate]

I have a 2014 Moto X, and a Nexus 4. Is it safe to charge my Moto X using my Nexus 4 charger?
0
votes
1answer
709 views

Cannot charge Xperia Z3 Compact

I have a 3 week old Sony Xperia Z3 Compact (D5833). However, it suddenly turned off and refused to charge. The phone was at ~10% charge before I plugged it in using the cable and adapter that came ...
1
vote
0answers
18 views

Will debugging damage my battery? [duplicate]

I work as a Android developer and I use my own phone for debugging as well as some other devices. Keeping the phone connected with USB will automatically charge my phone but will my battery be damaged ...
0
votes
2answers
1k views

How do I stop my note 4 from activating the screen when it is done charging?

When I charge it at night and its finished the screen will stay on all night unless I plug it out. How do I stop this from happening.
0
votes
0answers
45 views

How to recalibrate the OS for an external battery?

I recently bought an external non-standard 7000 mAh battery for my Samsung Galaxy S3 but the phone doesn't seem to recognize it. Is it possible that the phone needs to be reconfigured or recalibrated ...
0
votes
0answers
308 views

“Removed User” Draining Battery Nexus 5, 5.0

The other night I noticed my Nexus 5 had changed the wallpaper and that all my settings and desktop items were different. I had no idea what was going on, so I went into settings and discovered I was ...
1
vote
1answer
94 views

Is it possible for a device to consume more power than it is wall-charging?

I have a 2012 Nexus 7 running KitKat. I have a hunch that it is not charging properly. Specifically, if the system is on and the device is plugged into the USB wall-charger, the battery indicator says ...
0
votes
0answers
12 views

Connect to USB printer and charge tablet at same time [duplicate]

To connect a USB printer to my Android tablet I'd use a cable like one of the two shown below But this means that my only USB port on the tablet is gone and the device won't charge. What's the ...
0
votes
0answers
5 views

Why voice doesn't enable by itself on android smartphone when smartwatch (android wear) is charging

It's pretty required thing, because I disabled voice while clock is paired with phone, but I didn't expect that it would be the same thing while watch is charging. Is there any way to make it enabling ...
0
votes
1answer
39 views

Is there any way to disable the “connect charger” dialog?

When I unplug my phone from the charger, it pops up a dialog that it's low on power. Is it possible to disable that? My charger isn't that good so it looks like it's going in and out the whole time. ...
0
votes
2answers
763 views

Connecting 2.1 A charger instead of 850 mA [duplicate]

I have a Sony Xperia SP model with a 2370 mAh battery. The original charger I got with it was of 850 mA. My question is can I use a charger with output of 5V-2.1A which is also from Sony? thanks and ...
0
votes
3answers
1k views

MOTO E battery drops suddenly to 0%

My moto E phone is not even a month old and already i'm having a HUGE problem with it. I charge my phone to full battery, sometimes during a whole afternoon or night. Then in the morning or at 100% i ...
0
votes
0answers
645 views

My Galaxy GRAND 2 won't charge?

I think the problem started when I plugged an unoriginal USB cable to my phone for charging. After that my phone started to go in dock mode without anything plugged in it. After 2 days this problem ...
0
votes
1answer
238 views

LG Won't Charge

My LG was at 1% battery yesterday so I let it charge for an hour or so but when I came back I noticed that it wouldn't even turn on without turning right back off. It would only turn on to show a "0% ...
0
votes
1answer
261 views

If I charge my mobile from different charger what happens? [duplicate]

My charger is lost so I am using a charger with an output of 5.5v and 0.6A. My real charger gives an output of 5V and 0.7A. Will the other charger damage my phone?
2
votes
1answer
189 views

Where is the battery animation called when charger connected to phone (OFF)?

I have Moto E (Rooted) which turn on when connected with USB via Laptop but not when connected to Wall charger instead it shows Battery animation. I got to know that battery animation is at ...
0
votes
1answer
202 views

Nexus 5 charging problem

My Nexus 5 recently has a charging problem.. If I wiggle the charger a little it sometimes give the notification that the charger is not connected and if I release the charger it says its charging, I ...
0
votes
0answers
95 views

Samsung galaxy 3S, battery is good, phone won't charge or power up

I have a samsung galaxy 3S, about a week ago it rebooted itself, since then it will won't charge or turn back on, I have tested the battery to see if it was that, the battery works perfect, I have ...
0
votes
0answers
120 views

Samsung Galaxy s2 says battery is too hot when charging

My Girlfriend has a Galaxy S2, and when she plugs it into a charger (any Samsung charger) right away she gets a message that charging has stopped because the battery is too hot, then gets a symbol ...