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

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2
votes
1answer
68 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 ...
2
votes
1answer
197 views

How can I turn off the notification for the power plug connection?

My Samsung Galaxy S3 with Android 4.1 plays a sound every time I connect it to the power plug. Is there a way to turn that off without affecting all other notifications?
2
votes
1answer
326 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
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 ...
1
vote
1answer
244 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 ...
1
vote
1answer
217 views

My Samsung Galaxy S 2 indicates it is charging but doesn't

My Samsung Galaxy S 2 indicates charging but is not adding charge to the battery. I have changed my charger many times but the problem continues. What's the solution?
1
vote
1answer
7k views

Samsung Galaxy Tab GT-P1000 USB Cable Problems ; Charging Problems

Galaxy Tab is an old tablet.Yesterday,I can "resurrect" it from the dead,and I buy a fake USB cable to charge and exchange data. Since I have a worser phone than the Galaxy Tab,I really want to play ...
1
vote
1answer
256 views

KitKat issue: device turns on when plugged in

Yesterday I updated my Samsung S4 to 4.4.2 (I9500UBUFNA2 - Kernel 3.4.5-742022 18-Feb-2014) via Kies 3. If device is turned off then I plug in, picture of measuring battery image appears for 2 seconds ...
1
vote
1answer
392 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 ...
1
vote
1answer
3k views

I can't connect my Samsung Galaxy SL GT-I9003 via USB

I can't connect my Samsung Galaxy SL GT-I9003 via USB. When I try to connect via usb mode the phone doesn't respond, it only charges. I tried restarting and restoring my device, but it still won't ...
1
vote
1answer
159 views

How to charge a new Samsung Galaxy tab & what to expect

I am now trying to charge my new Samsung Galaxy tab since morning and it keeps flashing on me. No signs of it being charged. I am unable to switch it on. Please, for how long is it going to have to ...
0
votes
1answer
302 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
1answer
1k 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
0answers
152 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 ...
0
votes
0answers
669 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
0answers
48 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
326 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 ...
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
0answers
749 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
0answers
96 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
122 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 ...
0
votes
0answers
118 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). ...
0
votes
0answers
38 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
76 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
980 views

Phone won't charge when connected to the charger or even to my PC

My phone does not charge when I connect my charger, and when I connect the phone to my PC it wont connect. However, when I restart my phone I can connect my phone to the charger. Wen I disconnect the ...
0
votes
0answers
106 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
0answers
212 views

Automatically power on Galaxy Tab when the charger is connected

I have a Galaxy Tab 4 I changed the lpm file. Now the tab boots on charge, but in recovery mode!! Any ideas? Automatically power on Android when the charger is connected
0
votes
0answers
128 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
0answers
22 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
0answers
93 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
0answers
264 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
120 views

How can I make an Android device go from off to on at a chosen point?

I have a rooted Pantech Element and I want to make it turn on when it is charging (or at some other predetermined event, possibly). I have seen advice that says to edit a file called 'playlpm', but ...
0
votes
0answers
33 views

Is there a way to have your phone light stay when it is charging only from a laptop?

When I have the my device plugged into my laptop while working I want the light to stay on, but I want my light to turn off when I'm going to sleep when it is charging. I know I can have the light on ...
0
votes
0answers
74 views

How can I make my Android phone request (negotiate for) more charge from (with) the host PC?

Hello there is a wonderful Q&A here about detecting how much charge your phone is drawing from the computer host: How do you check how much power a USB port can deliver? In my particular case, my ...
0
votes
0answers
125 views

ori ninetology upgraded software to galaxy s4 - usb port cannot connected to computer while the hp on

I just bought a second hand phone Ninetology Stealth II which originally was a Ninetology but the original owner upgraded the software to Samsung Galaxy S4. The problem he never told me about is: ...
0
votes
0answers
60 views

How do devices recognize their chargers?

Several android devices complain when they are not plugged into their manufacturer-designated chargers. One samsung tablet I own won't even charge if its not on its own brand charger. Is there some ...
0
votes
0answers
46 views

How do I get my Android to recognize my portable charger?

I've bought a portable charger for my phone recently but once I switch it on, it charges for a minute tops before switching off. It seems as though the charger doesn't recognise my phone... is there ...
0
votes
0answers
397 views

what is the requirements to charge android tab via USB cable?

I wanna charge my android tab ( not a prestigious brand ) via a USB cable connected with my laptop. I tried but it wont charge, Is there any requirements to do that?
0
votes
0answers
41 views

Mobile gets switched off when I start any application

When I browse the internet or open any application my phone gets switched off. But, if I browse the internet or open any application while charging it works. What might be the problem? The phone ...
0
votes
0answers
352 views

Stop device connected as host charging connected device

I am connecting a Nexus 10 to an Arduino board in host mode. The Arduino board has its own power supply, but is still drawing power from the tablet. This post suggests that this may happen if the ...
0
votes
0answers
49 views

How do I decide what car charger I need to buy?

I am with Nexus 5 and finding it difficult to decide on what car charger or car dock with charger I need to buy. As there is no accessories from parent company (LG or Google) I not sure what charger ...
0
votes
0answers
198 views

USB connection issues with Nexus 4

I've installed some app from Google Play called "franco.Kernel updater", which had an option to enable "fast charging" (the app claims it provides a custom kernel that saves battery life). After I ...
0
votes
0answers
83 views

samsung galaxy nexus charging problems

it doesn't charge until battery totally dies and few minutes after that only, charging triggers. Not sure if it an issue with charger or the phone battery.
0
votes
0answers
451 views

unable to charge Google Nexus I9250

I am unable to charge my phone most of the times. When I connect my phone to the USB cable which is in turn connected to the computer or charger, most of the times (about 90 percent), I am unable to ...
0
votes
0answers
196 views

Recharge interface infinite boot loop

I'm having this problem for a while and don't remember exactly how it occurred, if I remember well, it started happening after flashing a non-stock ROM with CWM, but can't really reproduce it. ...
0
votes
0answers
814 views

How to root this device? RK3188

I am attempting to root at RK3188 Mini PC I bought from amazon. I believe I have found the drivers, but cannot figure out how to connect a USB cable to the device to connect to my PC to root. Please ...
0
votes
0answers
106 views

Why the battery drain while plugged in doing nothing? (omap2_mcspi)

I usually leave my phone plugged in to the wall charger at night. This morning, to my surprise, the battery was not charged. According to the System Panel app, System Processes were taking almost ...
0
votes
0answers
1k views

Charging paused, battery temperature too low

I dropped my Samsung Galaxy S2 in water, and now when I plug it in I get a message that says: Charging paused, battery temperature too low Is there any way to fix this?
0
votes
0answers
2k views

Mobile detecting Laptop as “charger” instead of “USB Connected”?

From quite some months, I have been using a rooted Samsung Galaxy Y mobile phone. The battery life is not much and so, everyday whenever I am doing any work on my laptop, I just connect my mobile, so ...
0
votes
0answers
1k views

Charging Micromax Funbook Pro through USB Power Adapator

The AC 5V adaptor that came with my Micromax Funbook Pro tablet has become non-functional. Is there a possibility that I can resort to buying a universal USB power adaptor and then plug it into AC ...