Questions tagged [charging]

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

247 questions with no upvoted or accepted answers
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votes
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4k views

Sony Xperia Z3 flickering between charging and discharging

When I plug my phone in it often has problems charging. Both the green led light and the charging icon will flicker on and off every half a second. This seems to happen at different times during ...
4
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1answer
190 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 ...
4
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0answers
541 views

500 charge limit on wireless charger for Nexus 4 / 5 (QI)

I recently bought a QI compatible charger for my Nexus 5. On the box it states, that the "wireless charges up to 500 times". I don't understand why the charger is only able to charge my phone 500 ...
4
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0answers
336 views

Verizon Galaxy Nexus Discharging When Plugged In Even After USB Replacement

I've got a Verizon Samsung Galaxy Nexus that as of a few weeks ago quit charging - in fact it quickly drains the battery (discharges 2% / minute if not more) while plugged in. I tried different ...
3
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0answers
151 views

Will this charger damage my phone?

I have a 3 port USB-C charger from Aukey that for the past weeks worked well with my Nexus 5X when used with an old ATX power supply as power source. I found critical reviews on Amazon (link to US ...
3
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0answers
1k views

adb shows different battery capacity

My device is Coolpad Note 3 and it's 15 months old. Recently, I've observed that the battery suddenly drops randomly to 20-30% and shuts down. When I plug it in for charging while it's powered off it ...
3
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0answers
110 views

Samsung S4 won't charge from socket

I am looking for help before sending my phone to maintenance service. All of sudden my phone stopped charging from a socket. The phone is charging (bolt showing, charging screen showing etc) but ...
3
votes
1answer
1k 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 ...
3
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0answers
888 views

Use “Lock Screen” as Daydream option

maybe its too simple a question, but I need to figure out how I can just use my lock-screen as daydream option for an android lollipop device. What I want is to see the normal lock screen while ...
3
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0answers
326 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 ...
3
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0answers
691 views

Android stuck in downloading mode

So what happened is that my mobile (Galaxy S4 - GT-9500) ran out of charge. When I plugged in the charger and tried to turn it on, it went directly to what I think is the recovery mode (Android logo ...
3
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2answers
468 views

Nexus S and phone charger get unusually hot when plugged in

I was using my Nexus S today and it turned off suddenly. I plugged it in to charge and saw it load to the boot splash screen, and then I went to sleep. When I woke up 2 hours later my phone was dead. ...
3
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0answers
349 views

since upgrading my software to 4.1 my samsung galaxy note wont charge properly

I recently upgraded the software on my galaxy note to 4.1 and since then its been very strange when charging. I put it on charge last night woke up this morning it said charging 23% came back to it a ...
3
votes
2answers
1k 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 ...
3
votes
0answers
976 views

My phone crashes while charging

My phone sometimes shuts down without a reason or warning. It often happens while it's charging. I'm not positive charging is an absolute requirement for this to happen, but I only remember it ...
3
votes
2answers
705 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
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0answers
651 views

Battery life in Samsung Galaxy 3

I recently updated my Samsung Galaxy 3 to Android 2.2 . After the update my fully charged battery dies in just 3 hours(without any use) and around 1 hour if I use it (talking,browsing etc). I am using ...
2
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0answers
36 views

Galaxy Note 3 blacks out on rebooting at lock screen

I'm having trouble rebooting Samsung Galaxy Note 3, where it starts rebooting after holding lock button, but blacks out when/before it reaches lock screen. After blacking out (or before rebooting) it ...
2
votes
1answer
48 views

How to disable battery saving when battery level is below 15%?

I used an old tablet to operate a smart home. In order to work continuously, I took the battery out of it and connected it to a 4V power source, which works continuously. Based on the measured battery ...
2
votes
1answer
40 views

Is it possible to keep phone plugged in a powerbank when the battery is worn out?

Is it possible to glue a powerbank to the back of a phone, and keep it plugged in permanently, if the battery has been worn out?
2
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0answers
24 views

Galaxy tab charging dock stops charging when USB device is attached

I recently bought this charging dock by Brodit for my Samsung Galaxy Active 2 (v. 3.9.0) with Android 9: https://www.amazon.de/gp/product/B00UASMT2Y/. I was hoping to constantly keep the tablet ...
2
votes
0answers
22 views

Samsung Galaxy Tab 3 (SM-T210R) won't turn on or charge

I have a Samsung Galaxy Tab 3 and for years it worked very well until last year, out of a sudden, it stopped working. It didn't want to charge or turn on. When I plugged it to my PC, the PC wouldn't ...
2
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0answers
245 views

Connecting Samsung S9 to MacBook's USB Type-C behaves like charging - not charging - charging - etc

I am trying to use my Samsung S9 to test a mobile app. I activated the "Developer options" and these are my "USB settings" (opened when I tap on the "Android System" notification): And when I "Tap ...
2
votes
0answers
1k views

Android system keeps resetting default USB configuration upon PC connection

Whenever I'm connecting my Samsung Galaxy A40 running Android 9.0 to a laptop or PC, I'm getting an annoying prompt to allow data transfer, and the following setting which I had set to "Charging phone ...
2
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0answers
52 views

Charging problem. Please help

My phone (Note3, CustomOS: Phronesis) got a charging problem last night. It does not charge properly when running or if the screen is off now. Usually the LED went on while charging but it stays off ...
2
votes
0answers
8k views

How can I fix a charging problem on Moto G5 Plus?

A Moto G5 Plus device (Android 8.1.0) was charging and performing normally with a healthy battery response. One morning, instead of being at 100% (expected after charging all night), the phone ...
2
votes
0answers
182 views

Why does my Samsung Galaxy S8 Active no longer “Fast-Charge”?

I bought a refurbished Samsung Galaxy S8 Active in excellent condition about 6 months ago, and it came with the standard manufacturer-provided power adapter and cable for charging (Model: EP-TA20JBE, ...
2
votes
0answers
72 views

Android phone plugged into charge 24/7

I currently have an LG E440 (non-stock ROM) plugged on charge 24/7 (connected to mains outlet, not PC) as it runs several Tasker-based routines which need to be seperate from my day-to-day phone. ...
2
votes
0answers
590 views

How to close `Android Auto` notification

I plugged my phone into the USB on my rental car so that it would stay charged while I used the phone for navigation -- but it didn't stay charged. Now I have a notification that I can't get rid of: ...
2
votes
1answer
14k views

Can you use USB OTG and charge at the same time?

I have a Google pixel-2. I like to use a Bluetooth keyboard and wired mouse via the USB-C-OTG canoe that came with the phone... But then I can't charge the phone. I wanted to buy something... To let ...
2
votes
1answer
101 views

control charging for Samsung Galaxy S3 that is in charger 24/7

I have Samsung Galaxy S3 in the charger 24/7, so it's not good for battery. How can I set charging so that the phone spends battery to say 30% before charging it to full?
2
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0answers
145 views

Phone disconnects from USB after 5 seconds on Windows

My phone recently underwent continued exposure to water (in my pocket during a heavy storm), and after drying it out, I have a problem with its USB port: When connecting the phone to a Windows ...
2
votes
0answers
42 views

Disbale charging of phone by outlet

Is there any way I can disable charging by outlet in my phone by some software. Kids keep making toy of my phone and I better have excuse that phone is discharged and not charging.I have android 7. My ...
2
votes
1answer
295 views

Hardware reset screen

My Samsung Galaxy SII has not been used for a while, and whenever I try to plug it in to charge, it doesn't seem to start charging, and instead loops between the battery charging icon, and a screen ...
2
votes
2answers
4k views

Screen Distortion After Using Certain Chargers

My Nexus 5 has burned in a few times over the past year, which is very unusual since I never leave it on when not in use (30 second dim time), but today I finally noticed the trend. When I charge the ...
2
votes
0answers
111 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 ...
2
votes
0answers
456 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 ...
2
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0answers
655 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 ...
2
votes
1answer
2k views

Where is the battery animation called?

I have a tablet from China, it's a Q8H Allwinner. It is rooted, and I've browsed the internal storage for hours to find the battery animation, I found them at framework-res.apk... Now I want to find ...
2
votes
0answers
55 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 '...
2
votes
0answers
62 views

LG P880 Screen stays awake whilst charging

I have a phone that when I plug it in it turns the screen on and the doesn't go to sleep until I press the power off button. Is there a way to make the screen go to sleep automatically like when you ...
2
votes
2answers
4k 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 ...
2
votes
0answers
464 views

Samsung Galaxy S stuck in boot loop when 100% charged

Before we start I should mention that I have not messed with the firmware in any way. But it seems that whenever I put it on charge and it reaches 100% capacity I turn it on and it gets stuck in a ...
2
votes
1answer
273 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?
1
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0answers
85 views

How to write to an Android system file?

Why is writing to /sys/class/power_supply/battery/status having no effect? Accessed manually via adb shell as root, eg echo "Discharging" > /sys/class/power_supply/battery/status does not ...
1
vote
0answers
46 views

Recovering bricked Pixel 2 with drained battery

Bit of a weird setup but I have a Pixel 2 phone with offline charging disabled. Today I wanted to restore the factory image so I booted the phone into TWRP, wiped all the partitions. I then got ...
1
vote
0answers
43 views

How can I charge Motorola One normally?

tl;dr: Every setup that I tried so far ends up with "Charging rapidly" or "Charging slowly" on my Motorola One. What kind of charger (or power source) and cable should I use in ...
1
vote
0answers
23 views

Plug Android smartpone into PC without loading | LineageOS

I am using my main smartphone for developing Android apps and doing research. I set everything up and searched for a specific option under USB Preferences, when connected to my computer. As I don't ...
1
vote
0answers
27 views

Why is fast charging unreliable?

I have a variety of fast charge plugs and cables as well as an Anker power bank and a Nitecore NB10000. They support up to 3A @ 5V, 2A @ 9V and 1.5A @ 12V (i.e. 15W-18W). I believe the S10e is limited ...
1
vote
0answers
98 views

Making a device to simulate low battery early

I have device which is used commonly by a layman kin. She does not really understand, why spares the battery if we do not wait until it goes to zero. She thinks, the device needs charge only if it was ...

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