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

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1
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3answers
10k 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 ...
1
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0answers
77 views

Android battery mucking up

I have an unusual problem with my galaxy s4 battery. Screenshot (click for larger variant) Sometimes when the battery level is 85% it can shut off and when I turn it back on it can go straight to ...
1
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0answers
2k views

Galaxy s2 is recognised by computer but doesn't charge

This is an odd one but today I noticed by S2 wasn't charging while plugged in. I tried connecting it to the computer and it came up as a media device as normal but still didn't charge, the battery ...
1
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2answers
86 views

I'm interested in using a laptop battery as an external battery pack for phone

As title said I'd like to use a laptop battery for my phone as an extender. One usage would be on a plane where my laptop is too bulky to really use but I could pull the battery out of it and use it ...
1
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0answers
169 views

problem with charging symbol,

I purchased a unlocked Samsung Galaxy 3 mini from the internet. Worked fine until I went abroad and change the SIM card. Now I am back in the UK, I am having trouble charging the phone. The charging ...
1
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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
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2answers
139 views

Full battery completely depleted within a few hours without any user activity — what to do?

I left my phone on the table with full battery without doing anything with it. After a few hours the battery was completely depleted, and the phone automatically shut down. What could cause such a ...
1
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0answers
265 views

Samsung Galaxy tab 10 does not start up

My tablet won't start. With the USB cable connected I can start my tablet using the "power & volume" trick. When in prompt menue for various reboot options it says in yellow text Can't access ...
1
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1answer
167 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 ...
1
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0answers
335 views

Phone interrupted during first charge, battery damage?

Got my new Sony Xperia Go and after draining its initial power, plugged it in to charge. Red light was on, but the battery icon did not show that it was busy charging. So I unplugged it and ...
1
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0answers
2k views

Samsung Galaxy S2 battery gets hot

My Galaxy S2 is less than a year old. The battery sucks! I have to charge it more than once a day. Tonight, while on the charger, the battery life is actually going down. It's also way too hot to ...
1
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0answers
642 views

sd card keeps getting unmounted when htc sensation is being charged

i have an htc sensation and it keeps saying that the sd card has been removed when its still in the phone. it will also say that the sd card has unmounted when it is charging What is going on?
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0answers
80 views

Karbon A9 is not charging [closed]

I purchased Karbon A9, 3 months back. When making a call the screen turns off and now it is not getting charged. I don't know what to do. Can any one please suggest a solution? I purchased it in ...
1
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0answers
49 views

Are Android USB plug-in chargers interchangeable? [duplicate]

Possible Duplicate: Is my phone liable to explode if I charge it with a charger that came with a different phone? Are Android chargers universal in terms of power (Voltage, amperage)? I'm ...
1
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1answer
39 views

S3 mini switches off randomly

My S3 mini switches off when I use social media or browse internet, then won't switch on until I have put it on charge but then it has 75% battery, just comes off charge and then the same thing ...
1
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2answers
2k views

My Galaxy mini having trouble with charging

Today I noticed that my Galaxy Mini is not charging properly. In morning it was switched off even after charging for the whole night. Some weeks ago the same problem had occured, but some time after ...
0
votes
2answers
332 views

Does the Google Authenticator app negatively impact a fully charged device

I have the Google Authenticator installed on my phone. I notice the codes are generated constantly. It appears the app is running constantly in the background. Does this app has a major impact on a ...
0
votes
1answer
2k 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
2answers
361 views

Only charges through USB when screen is locked

I have a Moto G running 4.4.4. When it's connected to a PC, it will only charge if the screen is locked: as soon as it's unlocked it will stop charging. In this situation, even if I lock the screen ...
0
votes
1answer
189 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) ...
0
votes
1answer
2k views

Is it okay to use USB 3.0 cable with USB 2.0 wall adapter?

I bought an LG Optimus One phone a long time ago. The phone came with a USB 2.0 cable + wall adapter. 3 months ago, I bought a Galaxy Note 3. The phone came with a USB 3.0 cable + wall adapter. The ...
0
votes
1answer
4k views

What's the input and output specifications of the Samsung Infuse wall charger?

I want to know if it matches with the Samsung Strive charger so I don't damage the Infuse (I don't have the charger for the infuse at the moment).
0
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1answer
32 views

is fully charging new phones before turning it on a must? [closed]

I just got my Samsung note 5 shipped to my office. And I am wondering if I should charge it full before I turned it on
0
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1answer
90 views

Android phone is turned off at 52% battery

I have got a Samsung Galaxy Grand Neo Plus with Android 4.4.4. When the phone reaches the 52%, it turns off and I can't turn on it again because the battery is at 0%! I think this could help: When I ...
0
votes
1answer
289 views

How does charging battery in normal, speed and trickle affect battery life?

Battery doctor uses different stages of charging: speed; continuous and trickle (keep charging when the battery is full for some time) does this really extend battery life? and can an app change ...
0
votes
2answers
98 views

Phone is discharging extremely fast.. How to stop this?

I'm a moto gen 2 user, my phone is discharging extremely fast.. Just switches off overnight even with >50% charge .. But I'm able to charge properly.. Takes long, but its fine.. Tried the factory ...
0
votes
1answer
511 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
405 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
3answers
7k 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
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3answers
98 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?
0
votes
1answer
2k 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
2answers
232 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 ...
0
votes
1answer
222 views

How to select a power supply for a given Android device

There are a variety of products on the market which provide a power supply for Android devices through the ubiquitous MicroUSB 2 port. These include adaptors for 12V "cigarette lighter" car DC power ...
0
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2answers
506 views

Plug in the charger the wrong way?

Yesterday, I mistakenly tried to push the charger plug in my phone upside-down. The phone seemed to react to it. Does it matter which way the plug is turned for charging?
0
votes
1answer
1k views

Why does my screen still turn off while charging? [duplicate]

Possible Duplicate: Where is “Stay Awake” option in Ice Cream Sandwich on the Galaxy S3? I used to have an HTC Evo Shift. If I plugged it into a power cord, the screen would ...
0
votes
1answer
225 views

How to connect Samsung J7 via USB but disable charging?

I would like to know if is it possible to connect my smartphone to a pc via USB without charging it? It would be very useful to be able to disable charging (but still allow USB tethering, ADB ...
0
votes
1answer
57 views

Why does my phone charges fast when WiFi is on?

My phone is Lenovo A6000+ Original charger and Stock OS. Edit: it is a two months old phone with no other complaints.
0
votes
1answer
35 views

Exclude possibility of damage of Android device while chargin with another charger [duplicate]

Is it true, that if I have one Android tablet with mini-usb from Philips, one Android device with mini-usb from Sony, then if I connect Philips charger to Sony charger, then it is possibility for a ...
0
votes
1answer
161 views

Nexus 5 with android 5.1 has battery life issue

I have Nexus 5 with android 5.1. The phone is fully discharged per day. Although I only make a few calls per day. How to fix it without downgrade to adnroid 5?
0
votes
1answer
100 views

Without switching on, charger lights turns ON when phone gets connected?

It's kinda bad day today as i dropped my phone into a water for 5 sec. Phone turned on & I tried to clean it. Since the battery gets low, i plugged the charger cable to my phone. Without ...
0
votes
1answer
304 views

Phone wont boot

Yesterday I got an Acer Liquid Z410. After installing some apps and checking out the phone, I charged my phone fully. Then I was trying to acces my phone again but it was off. So I tried to access it ...
0
votes
1answer
88 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
3answers
4k 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 ...
0
votes
2answers
7k 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
3k 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
1answer
775 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
176 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?
0
votes
1answer
960 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 ...
0
votes
1answer
53 views

Is there a way to determine the charging current available?

I have a Moto X that has recently stopped charging while in its car dock, even though it indicates that it's charging. I will diagnose the problem by eliminating the USB cable, the dock, and the ...
0
votes
1answer
229 views

Are wireless chargers specific to model numbers?

I found this charger on eBay: ...