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

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0
votes
2answers
618 views

Samsung S duos - showing charging symbol but percentage not increasing

I have samsung s duos. Suddently one day, when i was charging .. though the indicator shows charging, the battery level keep going down. I restarted mobile... still same issue. Then i tried with ...
0
votes
0answers
63 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
68 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 ...
1
vote
2answers
460 views

Samsung S3Mini - Charge/Discharge problems

I've got a strange problem on my S3Mini; two weeks ago has started to behave strangely, emitting the sound of charge/discharge while not connected to the AC adapter and setting the battery icon in the ...
0
votes
0answers
106 views

Sony Xperia Z3C conneting a charger it throws me to home screen

I have a Sony Xperia Z3C stock, I'm having a issue where I have a magnetic connector to charge my phone, it throws me out of some applications when I connect the charger (a 3D game as one example). ...
1
vote
3answers
2k views

Why can't I charge a Samsung phone?

I use a dual-port 2-amp charger with an Amazon Basics USB cable. This works perfectly fine to charge my Nexus 4 and the Nexus reports "AC" not "USB" as charging mode. From the recharge time it's also ...
0
votes
0answers
26 views

Screen Stuck saying Upgrade with a picture of PC and some korean symbols (Samsung S2 SHWM-250S)

I tried to upgrade from Gingerbread to Jellybean using Odin. First, i wanted to perform the root and then everything else. But when i put a PDA option and ran it, when wanted to go to download mode, ...
0
votes
0answers
42 views

Very rapid oscillation between charge and discharge when nexus 4 plugged in

My Nexus 4, rooted but running stock 4.4, has developed an alarming bad habit. Sometime, not always, when I plug it in to charge it enters a very fast cycle of charging/discharging, several times a ...
0
votes
0answers
23 views

Does charging my Nexus 4 with high voltage charger can cause battery damage? [duplicate]

I'm charging my Nexus 4 with an AC wall charger with 1A voltage. I want to connect my 2.0A charger but I have been told this may cause battery problems. Is there any truth to that or is it safe to ...
1
vote
1answer
127 views

How to get rid of “Battery not charging dialog”?

I have a Sony Xperia ZR phone with Kitkat 4.4.2 and when I watch HD movies on non-MHL TV connected to the phone using a HDMI-miniUSB cable with external power source auxiliary cable, I often see a ...
0
votes
1answer
51 views

spike in battery charge

Today when I was charging my Redmi 1s mobile I restarted the mobile. Then I saw that there was a sudden increase in the charge of the battery by 80%. What could have caused this?
1
vote
2answers
469 views

How to prevent Nexus 7 of charging the battery every time when connected to a USB?

Hello fellow Android enthusasts, I recently bought a Nexus7 that I want to use for development. The thing is, every time I connect it to my USB, in order to test some apps on it, it starts charging. ...
1
vote
0answers
197 views

My Samsung Galaxy S2 is not charging; it heats up when connected to a charger and it doesn't boot

I have a Samsung Galaxy S2 GT-I9100. I had recently installed Cyanogenmod from CM Installer. But one day while I was flashing the stock ROM via Odin, the progress bar was stuck at factoryfs.img and ...
0
votes
1answer
83 views

Unable to charge my device

I connected my device to the laptop through the U.S.B cable and tried to charge but it's not charging the device.Although it is connecting the device normally for data transfer but it's not charging ...
1
vote
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 ...
0
votes
0answers
71 views

Android can't see usb connection

When I connect my device (Nexus 7 2013) to PC or charger by USB, android can't see this connection. It shows that baterry don't charges, but it charges. When tablet is off and I connect it to charger ...
0
votes
2answers
69 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
0answers
7 views

Charging related question [duplicate]

I keep my Nexus 5 connected to the wall charger even if it is fully charged. I want to know will it lead to any problems or there is nothing to worry about.
2
votes
1answer
2k views

Samsung Galaxy S2 can't transfer pics, shuts down by itself, does not charge

My Samsung Galaxy S2 (not rooted) has all sorts of problems. It started when I tried to take some pics today. I would take a pic, and it would shut down. I tried to get pics off my phone by syncing ...
5
votes
3answers
2k views

How can I disable the front status LED when charging my device?

Charging my smartphone the front LED is always shining annoyingly green. This bothers me especially while reading an ebook which is why I am looking for a way to disable this feature. So how do I ...
7
votes
3answers
1k views

Can I recharge my Android smartphone at any USB port?

My girlfirend has just installed a new CD Player on her car that comes with a USB port to connect external devices(Flash card, external hard drive, etc). My question is based due the fact that I told ...
5
votes
2answers
486 views

Battery meter went crazy and now stays at 0%

I have a Samsung Galaxy Discover that worked fairly well until the last week or so. I ran the device down down to 0% - at which point the device shut off. I performed a full recharge and then ...
5
votes
7answers
12k views

Automatically power on Android when the charger is connected

Is it possible to automatically power on the device once the charger is connected given that the device is initially turned off?
0
votes
0answers
71 views

Battery voltage

I've just bought a replacement battery for my phone, it's exactly the same 1200 mAh 3.7v however when I look at apps showing battery info they say the battery voltage is 4mv. So what does this mean? ...
0
votes
1answer
60 views

Discharge while in airplane mode (with image)

Something weird happened today morning. I charged my phone yesterday night and gone to sleep after 2 hours or so. When I woke up, my phone was at %30 charge and I was pretty confused. Because before ...
7
votes
4answers
7k views

Nexus 4 problems when charging

My Nexus 4 is not charging when plugged into wall but it charges when connected to PC USB. When plugged into wall nothing happens, the battery icon shows nothing. This problem appears and disappears ...
0
votes
2answers
3k views

What is the maximum charging current supported by Samsung Galaxy S3?

As the title says: What is the maximum charging current supported by Samsung Galaxy S3 (GT-I9300)?
0
votes
0answers
161 views

Charging inticator on battery showing always

In My Samsung Galaxy S duos 7562 the charging indicator is always shows as charging... but the phone is not connected with charger or PC. Can't able to enable the USB debug mode, the Error Shows the ...
0
votes
0answers
18 views

BatteryManager inner workings

I recently installed linux on a Sony Xperia Neo (on SD), but the Android kernel remains under the hood. I've only changed kernel initrd to boot off the SD's Debian. The real question is: ¿What is ...
0
votes
1answer
35 views

Phone unusable whilst charging

I have a fairly old samsung galaxy S2 android 4.1.2. In the last few weeks, it has been behaving really oddly when plugged in to charge. The 'desk clock' page flashes up every few seconds of its own ...
0
votes
1answer
443 views

Android Boot Up When Power is Applied Through Induction Charging - Rooted Google Nexus 7

Initially, I looked into StackOverflow for an answer to this question, but my lack of experience was evident when I was redirected here, where my question was considerably more relevant, being based ...
0
votes
0answers
11 views

How to disable phone from charging without rooting [duplicate]

I have recently bought a galaxy grand 2 and I want to disable it from charging when it connects from usb. I want to have option whether to allow charge or not.
1
vote
1answer
41 views

Device does not boot after crash without power plug

In the last few weeks I'm faced with a somehow strange behaviour of my Android device (Samsung Galaxy S4 active, GT-I9295, Android 4.2.2, Kernel-Version 3.4.0-2015525): If the phone crashes resulting ...
0
votes
1answer
136 views

Used (probably) inappropriate charger, touchscreen went crazy, permanent damage? [duplicate]

I used a plug with USB output than may have been inappropriate (output DC5V +/- 0.20V DC500mA +/-30mA). While it was plugged in, the touchscreen stopped working properly (touching one part of the ...
2
votes
1answer
278 views

How do I keep CPU off when charging?

When I connect the USB power source, it makes CPU to stay on (even though "Development->Stay awake" is off). When charging from a weak power source if makes battery to drain even faster than is case ...
-1
votes
1answer
1k views

Emergency battery backup code

Is there any emergency battery backup code? In Nokia we have *3370#. I don't know this code will work in all devices, But in some devices it will backup the battery up to 50% Is there anything like in ...
1
vote
2answers
1k views

My Tab 3 will only charge from the wall adapter from Samsung [duplicate]

I'm going on holiday soon and we planned to take a USB hub to charge all of our devices rather than take several wall adapters, however when I checked that my 7" Samsung Galaxy Tab 3 would charge I ...
6
votes
4answers
4k views

Is my phone liable to explode if I charge it with a charger that came with a different phone?

My friend and I both have droids and we often user each other's wall chargers out of convenience. I was told that it's possible that my phone might explode if it's charged with a charger that wasn't ...
0
votes
1answer
55 views

Is it possible to modify the firmware used when the device is turned off?

On (at least) some Samsung devices there is some piece of software that runs when the device is turned off. It is the one that displays the battery state when charging, along with the red/green ...
0
votes
2answers
103 views

S2 randomly restarting / draining the battery

For the past month my S2, SPH-D710, Android 4.1.2, will randomly restart throughout the day. I took the battery out for awhile and that didn't change anything. Sometimes it happens when I'm looking ...
0
votes
0answers
39 views

Why does the screen flicker when connecting to a third party wall mounted USB charger

After going through this post(Why does my phone have erroneous input when connected to a non-OEM power source?) I am asking this question the above post does not solve my question up to the mark. I ...
0
votes
2answers
41 views

Charging from different USB cable

I have USB cable meant for Sony Xperia, the USB cable can be detached. Will using this USB cable to charge other phones like Nexus cause any issue?. I am not using the entire charger, I am just using ...
1
vote
3answers
574 views

Are 'Apple/Android Specific' USB charging ports really different?

I have a portable battery with two USB ports. One is labelled Android and one is labelled Apple. Apparently each has charging circuits optimized for that particular type of device. This sounds ...
0
votes
1answer
32 views

What should my tablet be charging at?

I just got a RocketFish USB wall charger with 2.4 amps and 5 Volts. The charge meter that I am using is telling me that it is charging at 50 mA. I also notice that when I try to turn it off to charge, ...
2
votes
0answers
19 views

How to prevent S3 from turning on when charging

I'm trying to charge a new battery with my phone turned off. As soon as I plug the phone in to the wall charger, the screen turns on and the phone tries to immediately boot instead of staying on the ...
0
votes
3answers
6k views

how much current can Samsung Galaxy S II take for charging with whatever ROM?

What is the maximum power SGS2 can use when charging, given a capable charger? I use power-consuming apps while driving a car (navigation + video registrator), and looking for ways to minimize ...
0
votes
1answer
327 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
939 views

How can i turn off charging when my phone connected to my computer? [duplicate]

I have Android device Samsung S4. Is that possible to turn off Battery Charging when my phone connected to my Computer via USB Cable. Any ways to turn off or disable it from settings?
1
vote
2answers
15k views

Can I charge my Samsung tablet without the plug in charger? Are there any other ways?

I have a Samsung Galaxy Tablet but my charger is a little broken. It only charges if I play around with it but that frustrates me. Is there any other way I can charge my tablet without wasting money? ...
10
votes
4answers
6k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, ...