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

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0
votes
1answer
104 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 ...
-1
votes
1answer
152 views

I have moto g 1st gen charging very slow

I have Moto G 1st Gen now the problem is charging is very slow it takes about 3 2 and half hours to full charge what to do now? should i buy new battery..??
1
vote
1answer
187 views

How can I force my device to pull more watts from charger?

I have three devices, Nobis nb7022 s, droid mini, asus memo pad 7 (me170cx). I am using a charger that has a rated out put of 2000ma. The nobis draws 8 to 10 watts from the wall outlet. the droid mini ...
4
votes
1answer
122 views

Battery level always 42%

I purchased a second hand nexus 5 to find out that the battery indicator is always showing 42% and never updates, regardless of the actual battery charge level. I tried replacing the battery with ...
0
votes
1answer
71 views

Nexus 7 (wifi) 2012 won't charge past 11%

So I turned on my nexus after maybe a year of inactivity. It was just in my cupboard, mostly because I installed a unstable mod and just wouldn't work. But I was able to fix it. And now it won't go ...
23
votes
7answers
3k views

Is power consumed from battery to run the phone when charging?

I want to download torrents while keeping the device plugged to charge. My device is made by Samsung. Is the power consumed from charger, or battery, to power the device when charging? Will my ...
5
votes
2answers
247 views

Forcing higher USB current

The big problem: Like a lot of people, we are finding that our tablet does not maintain charge when connected to USB (PC or other device, not AC jack, we need data and charging simultaneously). What ...
0
votes
1answer
137 views

Moto G 2 (2014) Not Charging!

My phone is a Moto G (2014) XT1068. It has recently stopped charging for some reason. This morning it was charging and tonight, it decided that it would be a prick and not charge. Anyhow I tried ...
1
vote
1answer
77 views

How is an “average use” defined in terms of battery life

It is common to see better battery performance being touted as a selling point, when phones are announced and when they but the market. And the claim typically goes like "lasts xx hours on average ...
-2
votes
1answer
183 views

Which charging cable should I use? Short or long, and why?

I have a 7" Android RCA VoyagerII tablet. The instructions say I must use the very short cord charger that came with it and not even try anything else. Is this true or can I use a regular long ...
0
votes
1answer
2k 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
0answers
174 views

Bought a new Battery yet Galaxy Note 4 still won't charge still says “battery temperature” too hot. When it is not

Bought a new battery and yet my Galaxy Note 4 still won't charge. It still says "battery temperature" is too hot when it is in fact at room temperature. A few weeks ago my phone stopped charging ...
2
votes
1answer
430 views

Samsung Galaxy Tab Pro 10 discharging even when connected

My Samsung Galaxy Tab Pro 10 (SM-T520) will discharge when connected. While the battery icon shows that it's charging, the tablet will still discharge, albeit more slowly than when not connected. This ...
1
vote
1answer
335 views

Slow charging, random wake-up and dead USB connections

My phone, Asus Zenfone 5 (A501CG), takes too much of time to charge (6-7 hours). Also, the screen wakes up randomly every 5 seconds (approx.). The phone doesn't connect to a PC (it's not recognized) ...
2
votes
4answers
419 views

Why does my phone charge more quickly at some outlets than at others (with the same charger) [closed]

My cell phone seems to charge slowly, especially at my home (I've tried different outlets). But recently I was in a coffee bar, and it seemed to charge a lot - a lot! - faster. I was using the same ...
0
votes
2answers
108 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
0answers
58 views

Samsung Galaxy S2 phone keeps periodically detecting that charger is plugged in even when it's not

Samsung Galaxy S-2 phone keeps periodically detecting that the charger has been plugged in, apparently randomly I have noticed, however, that if I keep using the UI of the phone it doesn't happen, ...
2
votes
1answer
75 views

What is a canonical battery test that I can use before and after upgrading the OS version?

I am about to upgrade from Android K to Android L. Right after, I will upgrade from Android L to Android M. In a previous empirical experiment, with a now-demised device, I noticed (or seem to have ...
1
vote
1answer
118 views

Can I charge my android cell phone with another usb chager?

I have an Android phone and a Tablet. Sometimes, when traveling, I just want to take one of the chargers. Is this ok? Can I just use any usb based charger in any android phone or tablet or can there ...
1
vote
0answers
303 views

Phone's battery is draining unusually fast even when not in use

The hardware I'm using: OnePlus One, bought late december 2014 Stock Cyanogenmod, version 12.1 - YOG4PAS1N0 (= Android 5.1.1) no apps to improve battery life in any way Basically, the battery is ...
1
vote
1answer
106 views

Usb Speaker with External Power supply? S ll

I'm using a 2x3W yenkee usb speaker with my phone through an usb otg cable and it's working fine, but when I turn the volume up the speaker turns off.I assume it's because of the high power ...
2
votes
2answers
94 views

Is there any relation between charging rate and discharging rate?

Sometimes when I do not use the original charger but a different one it would take less time to fully charge the device than the original charger would do. But I can feel that discharging rate is ...
0
votes
0answers
466 views

Is my HTC One M8 battery broken?

Hi I have my HTC One M8 which acts so weird, so what happen now when I plugged it a power outlet while the phone is turned on it doesn't charge, when I pull the micro usb cable and plug it again to ...
0
votes
1answer
60 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.
-1
votes
1answer
93 views

Fast charging a Samsung S4/S5 with an Apple charger

Does anyone know if it's possible to achieve fast charging (1300mA+) a S4/S5/S6 with an iPhone (5/6) charger? The data pins have a circuit, but I believe Apple uses a different voltage divider to ...
-1
votes
1answer
256 views

I can't plug in my charger to my Samsung Galaxy tab 3 I think something is broken but i don't know how it happened

I really need help because I have no money to buy a new one. I was charging my tablet before a party and when I had to leave I unplugged it came home and it wouldn't plug in and I have tried all kinds ...
0
votes
0answers
47 views

Tablet report as charging with the charger unplugged

I'm having problems charging my Samsung Tab 2 device. It is reporting as charging after I unplug the cable, and when charging, it is drawing a small current from the charger. I've measured and it gets ...
1
vote
0answers
415 views

How to care for a lithium-ion battery so that it will remain useful for as many years as possible [closed]

My question I own an Android smartphone with a lithium-ion rechargeable battery. I want the battery to remain at least somewhat useful as long as possible — even for five or ten years, if such ...
0
votes
0answers
217 views

Charging rate in Zenfone 5 is 40-90mA while Moto G shows 480-500mA with same charger and USB cable. What's the issue with former?

I have a T00J Zenfone 5, and last Sunday its charger broke. As I tend to use it in lots of places, I guess the stress on the cord was a little more than it could handle. I plugged it in on USB, and ...
5
votes
4answers
454 views

How to prevent brightness from going to full when the battery low popup appears?

Whenever the "battery low" popup appears in my tablet, the brightness goes to full. This makes no sense because the brightness should be decreased to the minimum instead of going to the maximum, as ...
-1
votes
2answers
46 views

what can be the problem behind if my android phone charges just 2-3% in 1 hour? [closed]

This happens with me so many times. I want my answer please tell me. IOt will be a great help for me. I believe in stack exchange !!
0
votes
0answers
117 views

HTC One M8 will not charge

My HTC One M8 was run over by a bus, literally a bus. I brought it for repair and the guys replaced the screen and it powered up fine. However, the battery would not charge. The phone repair guys ...
1
vote
2answers
1k views

Xperia SP looks like it's charging, but it doesn't charge

My phone is Xperia SP, it's on CM 12.1, unofficial build (because the official one is buggy due to bad kernel). It has been bought second-hand, so I'm not sure about its history (the phone was in a ...
1
vote
4answers
2k views

Quick drain of battery in new phone huawei g play mini?

Here is a screenshot of my battery drain. Is it normal , or should I go to service center ? My previous phone had much less sloppier curve . When I bought the phone I charged it upto 100% and then ...
0
votes
0answers
28 views

Android- Sony Z not charging

have a sony With two years. For an update to Android 5.0 I have a problem with charging my phone when it is switched off and the battery totally 0 % would normally loads, but when the phone is ...
0
votes
0answers
301 views

One-click rooting app failed to root, and now prevents device from booting and charging

I downloaded a one-click rooting app onto my RCA RCT6773WW2B (RCA 7 Voyager 2). ~25% of the way in, it rebooted the device. The root failed, so the device rebooted again, and the app once again tried ...
2
votes
1answer
135 views

HTC Rapid Charge 2.0 overheating battery

Since a few days ago I am charging my HTC One M8 using the HTC Rapid Charge 2.0 charger. It does indeed charge fast, but I have noticed that the battery gets really hot. After installing the DU ...
0
votes
0answers
196 views

Samsung Galaxy Note 2 doesn't charge when connected to charger but shows USB connector notification

I'm using Samsung Galaxy Note 2. I rooted this phone and flashed a custom ROM. After three months I started facing an issue that whenever I connect my charger the device does not charge, and shows ...
1
vote
1answer
173 views

Why is the screen acting weird while charging?

I noticed that when I charge my phone with a cheap charger that I bought from Ebay, the screen acts strange: It suddenly can't position my taps correctly and It detects swipes as taps. After a ...
0
votes
0answers
215 views

HP Slate 7 will not charge

My sister got a quite new HP Slate 7 running Android 4.1.2, but the tablet won't charge. When I charge it while it's running, the charging is flickering between charging and not charging. If I charge ...
1
vote
1answer
295 views

Nexus 4 won't charge or boot (red light)

I have been reading a bunch of articles on ways to fix this "red light" issue. My issue seems a bit different from most articles as the red light does not show up when I plug in my charger. Articles I ...
0
votes
1answer
38 views

Weird battery issues

There's this phone I got, it belonged to my girlfriend's mom, but she just gave it to me since it stopped working and I wanted it. The problem is it won't charge. I'll plug it in and the screen will ...
0
votes
1answer
37 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
0answers
233 views

Battery connector pins showing strange voltages for a phone and a tablet

I have a Samsung GT-I9003 phone and a Samsung GT-P3100 tablet. Phone is rated 3.7V 1A, tablet is rated 5V 2A. Phone has an Input:100-240V 50-60Hz 150mA Output:5.0V 550mA charger, tablet has an ...
1
vote
1answer
55 views

2014 moto x battery life

I'm experiencing an issue with my 2014 Moto X's battery running Android 5.1 and I was wondering if someone have any suggestions or something ... for example, yesterday I had about 30% left of my ...
0
votes
4answers
243 views

Turning off “charging” sound effect on Xperia Z3 Compact

Is it possible to turn off the sound when the charger is connected? I have got the answer from Sony Support that this is a "feature".
0
votes
0answers
356 views

USB and charging port is not working after rooting

I have rooted my HTC Desire 620G with kingoroot. After rooting the phone is not getting charged while its switched on. The phone can be charged by switched it off. Also the phone can not be connected ...
0
votes
1answer
70 views

Charge older Samsung phone (with Quick Charge 1.0 technology) at full rate

I own a Samsung Galaxy S Relay, which is an Android phone a few years old. It's sort of similar to the Samsung Galaxy S III, but it also includes a slide-out physical keyboard. Like the Galaxy S III, ...
2
votes
3answers
658 views

Get the charging rate without external hardware (e.g. multimeter.)

Android.SE user intuited observes: I've noticed that my S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide up ...
5
votes
1answer
7k views

Long term effects of charging Nexus 5 with an other device's charger (fast charging)

A roommate has bought a OnePlus One (OPO) phone. When I tried charging my Nexus 5 with the charger of OPO I found that it charged my Nexus device amazingly fast. I'm talking 3-4 times faster charging ...