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

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0
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0answers
47 views

Screen Sensitivity Issues While Charging

Until recently I used an LG STA-U33ID changer (more info below) with my LAVA Iris x5. I finally got another LAVA charger but, whenever I connect it to the device, I begin to have issues with the ...
0
votes
0answers
22 views

Slow performance while charging

My mobile have 256 MB ram. I have rooted it and found that it's performance has increased. It works very smoothly but when it is charging, it works normally but don't respond to touches at once. What ...
1
vote
1answer
55 views

WiFi only working while charging the phone

I am being experiencing this very strange issue in the last couple days. I have a Samsung Galaxy S3 Mini with an (unofficial) build of Cyanogenmod 11. Is has been working fine for the last year with ...
1
vote
2answers
89 views

What to do after replacing the phone's battery?

I have a Nexus 5 (1.5yo; I know, it's old but still worthy!) and the boy was heavily suffering from short battery discharges. I'm a phone heavy user so I figured out I had depleted the battery's life, ...
0
votes
2answers
108 views

Battery charging time calculation

One of the very useful feature of Android version 5.0 Lollipop is that it shows how much time is left for the charging to be completed. How is the time for the device to get fully charged determined?
1
vote
1answer
1k views

Fast Charging by Qualcomm 3.0- impact on battery?

I am thinking of buying HTC one A9 My only concern is with fast charging . I have read this thread How does fast charging work? and understood the downside is mainly on battery life. Accepted answer ...
3
votes
1answer
135 views

Android definition of charge cycle?

Battery life is measured in number of charge-discharge cycles. Charge Cycle wiki says Apple Inc. clarifies that a charge cycle means using all the battery's capacity, but not necessarily by full ...
1
vote
1answer
57 views

Nexus 6 Powered On Strangely

Earlier today, when trying to power on my Nexus 6, I had a strange thing happen. I normally power on my phone when it is still plugged in to the charger, and I tried doing that today, but after ...
0
votes
1answer
153 views

Prevent USB data transfer (when phone is in use) and being charged

I would like to know how to protect my data when I use public battery charger in public places. I know that if I do not unlock my screen when charging, my data is safe, but what if I would like to ...
0
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0answers
27 views

HTC Desire died at full charge

I have a HTC Desire 510. I use it mainly for talking, texting , social media , etc. Yesterday I used the Desire for my normal (heavy) texting. I noticed the it was not draining it's battery like it ...
1
vote
0answers
83 views

Tasker profile that switches network to 2G when the phone is charging

I would really appreciate it if someone could whip up a nice Tasker profile which switches network mode to 2G immediately my rooted OnePlus 2 detects a charge state. A drawback of OnePlus 2 is the ...
2
votes
1answer
72 views

Initial Charge Problems

I bought my Android last January and I forgot to charge it for 8 hours. What will be the effect on my Android and battery life? ( battery type is Lithium Polymer)
3
votes
1answer
273 views

MOTO E not turning on after upgrade

Run the update on my moto e yesterday, and after installation, it shut itself off an couldnt turn it on again. I got 1 or 2 blink led while pressing power for 10 seconds (this only if it is plugged), ...
0
votes
1answer
135 views

Samsung Galaxy GT-P7510 won't charge

I have a Samsung Galaxy Tab GT-P7510/M32 32 GB. I can't get it to charge. I plugged charger in one time and showed the battery was empty and had a yellow triangle with exclamation point point in it. I ...
2
votes
1answer
78 views

Charging works well with new USB cables only

When trying to charge my android devices (Arc S and Nexus 7 (2013)), I noticed that when using new USB-cables, the charging process is going quite fast, but after some weeks (usually four-five) the ...
2
votes
1answer
152 views

How do I select a non-OEM charger for my device?

My Nexus 5 D821 (2014)'s original charger started failing to charge the phone since last week. There are 1.8A & 1.2A LG OEM chargers available in ebay.com. Is it okay to use the 1.8A charger? or ...
1
vote
1answer
211 views

Powering Samsung J7 using an external DC power supply

I would like to turn on Samsung J7 using an external power supply. The problem is that it uses 4 pin (+,*,-,*) to connect to its battery. The first pin is the positive and the third one is the ...
3
votes
1answer
565 views

USB charger produces high-pitched noise while the battery is full

I have Nexus 5 and I recently bought the European version of the PowerCube, which combines three power outlets with two USB chargers. I noticed that as soon as my smartphone's battery is full, it ...
0
votes
1answer
139 views

USB Charging notification while charging on AC adapter

I have a MOTO X android phone that while charging with my AC adapter it sometimes says it is charging by USB I don't know what to do Can you explain this
1
vote
1answer
540 views

Xiaomi Redmi 2 Pro Battery Issues

I have a Redmi 2 Pro, and it works fine, except for some issues with the battery. If I charge it to 100% before I disconnect the charger and go to sleep, by the morning it may go down only to 98%, but ...
2
votes
0answers
72 views

Phone doesn't charge via USB while on

I'm trying to figure out a charging issue with my Nexus 6 (Marshmallow 6.0.1). While I'm in Windows (10) and the phone is on, it won't charge over USB. If I turn off the phone it charges via USB. If ...
7
votes
1answer
214 views

Do modern Android devices regulate AC mains power similar to a laptop?

There have been a lot of discussions about lithium-ion battery life across the internet. However, within these discussions I have found contradictory details about the way power is regulated between ...
0
votes
0answers
35 views

Can a charger of volts greater than a phone's battery harm that phone during charging? [duplicate]

I have an HTC Desire C cell phone with a battery of 3.7 volts. Would charging the phone with 5 volts charger harm the battery?
0
votes
2answers
193 views

Can't charge/power on Nook HD+

The device won't power on. The screen and status light show no indication of activity when pressing or holding the power button (or any button / pairwise combination of buttons for that matter). The ...
4
votes
3answers
439 views

What is the standard voltage and current levels for an android battery?

I am using Micromax Canvas Nitro A310; recently, I bought a new USB cable and it seems its not doing the job as required. My phone is not getting charged as it was before. Either it takes too long ...
0
votes
2answers
2k 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 ...
1
vote
2answers
80 views

How to prevent brightness when battery reaches high?

I leave my phone (Samsung Galaxy 4 GT-I9506, Android 5.0.1 lollipop) charging on my table when going to sleep. It reaches full after some hours often. It is so annoying when the display becomes bright ...
0
votes
1answer
106 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
votes
0answers
23 views

X10 Mini Pro always boots when being charged offline

I rooted my X10 Mini Pro and installed Clockwork mode recovery. Now every time I try to charge it offline, phone boots into home (and phone works fine from there on). Is this normal? I no longer ...
2
votes
3answers
249 views

Charge and USB keyboard through 1 USB port

I have a Samsung Tab E that only has one USB port. Can I charge the tablet and have a USB keyboard attached at the same time? I've tried a 3-way cable ( link to Amazon ) but it supplies power to the ...
1
vote
1answer
223 views

Device uses non-USB charger. Can I still charge it through the USB port?

I got a Polaroid L9H tablet for Christmas, which includes a carrying case with built-in USB keyboard. I assume that it is for this reason that the tablet was designed with a barrel connector for its ...
3
votes
2answers
628 views

Does a phone's battery charge when in download mode?

I bricked my SM-J500G when trying to root the phone. Now I'm trying to install the stock ROM. The problem is that my phone's battery is low, and I have no way to charge it in another phone. Can I put ...
3
votes
0answers
70 views

How to boot my Samsung Galaxy S4 mini when wall charger is plugged

I am Developing an Android Application, here i want my phone to start booting automatically when the phone is plugged into any power outlet without hitting any power button.I found many solutions and ...
0
votes
0answers
92 views

Samsung Galaxy Note 10.1 charging paused, battery temperature low

I have a new Samsung Galaxy Note 10.1. I recently bought it online. It was working fine, but now the tablet is not charging and keeps giving the error 'battery temperature low'. I tried charging it by ...
7
votes
1answer
595 views

Battery Stats Are Vastly Incorrect

After updating to 6.0.1 (MMB29K) from 6.0.0 (MRA58R) I have come to face a very odd and never seen before issue. My battery stats are wildly wrong. My stats show 4k% or higher and no battery stat ...
0
votes
1answer
111 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
2answers
299 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
230 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
129 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
82 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
329 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
234 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
89 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 use"...
-2
votes
1answer
226 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 ...
1
vote
1answer
3k 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
202 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
948 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
575 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
1k 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 ...