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

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0
votes
1answer
118 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
0answers
2k 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
2answers
8k 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
1answer
825 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?
0
votes
1answer
326 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
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 ...
0
votes
1answer
201 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
602 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
548 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 ...
1
vote
1answer
1k 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
135 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
802 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 ...
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
6k 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
2k 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 ...
0
votes
0answers
225 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
293 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 ...
0
votes
1answer
47 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
1k 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 ...
3
votes
1answer
503 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 ...
11
votes
4answers
6k 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
67 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
186 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
283 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
77 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 ...
0
votes
1answer
52 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
35 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 ...
1
vote
3answers
11k 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
748 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?
1
vote
1answer
7k 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
25k 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? ...
1
vote
0answers
2k views

Samsung s3 makes “plugged in” noises while charging

I have recently bought a third party USB cable. I am still using the original wall adapter that I got. Now, I noticed that while charging, it sometimes makes the "plugged in" sound as if I had just ...
2
votes
1answer
4k views

Possible to charge one phone off another?

What's stopping the ability of charging a cell phone from another cell phone? If I were to create a crossover/patch USB cable and connect it between two phones or tablets, would there by any way to ...
3
votes
2answers
625 views

Samsung GT 7.7 hung after charging

After charging my Samsung GT 7.7, I switched it on but it just showed the "Samsung Galaxy Tab 7.7" and stayed like that like it hung. What do I do?
3
votes
5answers
19k views

Slow Charging Battery!

I have a Samsung galaxyS3 the battery has been charging really slow. It can take up yo 10 hours to charge 100%. I have tried every thing I can think of. I've tried a new charger, new battery, shut ...
0
votes
3answers
99 views

Is it possible to charge phone faster?

I know that going to Airplane mode can be useful But is there any way to charge phone faster?
1
vote
3answers
469 views

Battery charging issue in Samsung Galaxy S3

I have a Samsung Galaxy S3 and it is charging very very slowly when plugged into my PC. I deleted all my images and some videos and some other stuff and the charging seemed to speed up. Is battery ...
1
vote
1answer
2k views

Charging New Phone

I bought a new phone today. Motorola How long am I supposed to put my new phone for charging (Li ion battery)??? Should I keep it plugged even after it shows 100%?? Please help me clearing this ...
0
votes
0answers
49 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
1answer
122 views

CHarge port replaced-computer dont recognize

Hi i recently took my samsung galaxy 2 to a place that sells phones and service and also repairs them. Well i took it there because my charge port was not charging anymore so he said he could ...
1
vote
1answer
380 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
0answers
304 views

Android tablet I2C Read Errors

i've a brand new Ramos i9 tablet and have big issues with the touchscreen and charging. I've rooted it, and before i send it in for repair, i'm trying to debug the issue (in hope it's only software). ...
1
vote
1answer
294 views

Samsung Galaxy 3 is HOT

Sometimes after using my phone for a bit, it gets super hot where the battery is. When that happens, I close all programs and don't use it for awhile; it eventually cools down. This also happens a ...
0
votes
1answer
111 views

Why does Galaxy Nexus i9250 official car charger have 700mA instead of 1000mA?

I discovered that the official Samsung car charger is rated for 700mA, but my stock wall charger has 1000mA. Is that normal? If I buy the 700mA charger, there's the risk that with the navigator on, ...
0
votes
1answer
569 views

Phone only charges when plugged into AC adapter or computer

I have a Samsung Galaxy Ace 2 x. It only charges when plugged in to the AC adapter and my laptop, and doesn't charge using battery packs or in the car. I use the same cord for everything. Why is this? ...
0
votes
0answers
172 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
2answers
249 views

Connector allowing charger and usb computer connection as same time?

PoE lead me to idea of having some kind connector, allowing supplying my connected tabled with power from it's charger (5V 2A) and in same time being connected to computer (for backup or whatever ...
3
votes
0answers
247 views

Large difference in battery discharge, when Nexus 7 is on and off

My father got a brand new Google Nexus 7 II (2013) LTE tablet few weeks ago. Ever since first use, he was complying about battery discharge rate. Few days ago, I did some measures and I'm quite ...
0
votes
2answers
15k views

should you be on a tablet when its charging? [duplicate]

is it OK for the battery if you keep using the tablet while it's charging? And should you stop charging when it's fully charged.
1
vote
0answers
203 views

Micro USB cable - Intermittent

I have a http://www.amazon.com/gp/product/B004QOAGOQ/ "4-port USB charger". Recently I noticed that some Android devices e.g Nexus 7 (2013), charge very slowly when one particular micro USB cable is ...