Questions tagged [charging]
For questions specifically about issues with battery charging or power supply.
735
questions
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45 views
What could explain that a USB cable starts charging my Samsung Galaxy S9 phone after ~2 secs, but takes over 5 min to start charging my Pixel 6 phone?
I have a male-to-male, USB-A-to-USB-C cable. It starts charging my Samsung Galaxy S9 phone after ~2 secs, but takes over 5 min to start charging my Pixel 6 phone. What could explain that?
I have no ...
0
votes
1answer
27 views
How can I see how much electricity a device connected via USB is drawing from my phone?
I have connected a device to my phone via an USB cable so that it receives some electricity from the phone. How can I see how much electricity a device connected via USB is drawing from my phone?
I ...
0
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0answers
25 views
USB OTG only working on charging mode
I have an android tablet that came with OTG support and adb binary already installed, I would like to connect my phone to use adb but when I connect it only charges the phone and adb does not show my ...
18
votes
1answer
2k views
When connecting two Android phones via a cable, how can I choose which phone is charging which phone?
When connecting two Android phones via a cable, how can I choose which phone is charging which phone? E.g. when I connected a Samsung Galaxy S9 (Android 10) with a Google Pixel 6 (Android 12) via a ...
4
votes
1answer
68 views
Is possible to charge the battery even If I erase boot and system partitions?
Is it possible? Or the device needs at least a kernel to be able to charge? I have a device in bootloop that every 3 seconds it vibrates and I'm not sure if its does not charge because I erased boot ...
0
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0answers
25 views
Android device turns off while there is enough battery but won't turn off in recovery mode
My android device (SM J510F - Android 7.1.1) shows 30% for battery but turns itself off. When I turn it on it will turn off even while it is booting to system. If I plug the charger it wont turn off ...
0
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0answers
18 views
recommendation for charging plan [duplicate]
Using Termux on an Android smartphone and a WiFi Smart Plug the phone can control its charging via half hour cron'ed termux-battery-status, MQTT and openHAB to control the plug. Termux hasn't battery ...
0
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0answers
34 views
Show battery at 100% when it is charged to lower value?
On the Samsung Galaxy Tab S7, you can limit your battery to 85% and have it show 100% when it is at 85%.
Can I somehow replicate this behaviour on my OnePlus 6 running on LineageOS 18.1 with root?
I ...
0
votes
0answers
30 views
Keeping phone plugged in vs. using a charger control?
I have an old, quite banged-up Huawei Y6II. I want to use it as a static device and turn it into a security camera, web server, wifi hotspot, etc. Is it okay to keep it plugged in all the time? Or ...
1
vote
0answers
31 views
How to cure Battery draining and lagging problem
Question How to cure Battery draining and lagging problem
I have lyf water 7 ls-5504 mobile it's been rooted through super user to use link2sd and link apps. But before rooting it's have huge proble ...
0
votes
0answers
24 views
Phone charging symbol but not gaining charge
I have a OnePlus 7 Pro running Resurrection Remix. Sometimes when using a type c to type c cable, the device will show the charging icon but won't gain any charge (it doesn't lose charge either) until ...
-1
votes
1answer
15 views
My nook HD won't charge
Unlike similar posts about this issue, the light doesn't from green to red to nothing when I plug it in, but rather, it just goes to green for a few seconds, and then nothing. I hadn't used it in a ...
0
votes
0answers
26 views
Alcatel 1x only turns on when screen ribbon is detatched
My phone, an Alcatel 1x, has been giving issues with the battery lately (it drains very fast and I can't use it without the charger). But the real trouble is that since morning I've been trying to ...
0
votes
0answers
21 views
My LG Stylo 5 Has not been charging for 3 days. I've used multiple chargers and it still hasn't charged. I don't understand what the problem is
I just need to know why my phone isn't charging and if I need to buy a new one or not.
0
votes
0answers
26 views
Charging control in Android without using any third-party apps
Is there any way to control charging in Android programatically without using any third party Apps?
We have an Android Application which has to be installed at Client Location in Tab and the tab has ...
0
votes
0answers
34 views
screen turns on and off while charging
I bought a new OnePlus 9 Pro last week and noticed that when I use a non-original charger the screen keeps turning on and off every few seconds while the phone makes the sound it makes when I connect ...
1
vote
0answers
21 views
Battery level to output via Bluetooth for external control
Is there any device to read the phones battery level ; lets say 10 % to 90% to trigger a signal out over blue tooth; some apps haves control; like sonoff; for wifi control but I want to trigger ...
1
vote
1answer
728 views
How to prevent charging over USB while debugging / tethering internet over USB?
When I'm on the go, I want to use internet tethering and debugging over USB to develop mobile apps with my Pixel 3A, but I don't want to charge the phone, because I want to waste energy on my MacBook ...
0
votes
0answers
35 views
What happens to a Li-Pol battery L13D1P31 if it is left on a permanent charge?
I have an old tablet (Lenovo Tab 2 A7-30 and a L13D1P31 battery) that I want to use as a permanent display of some data like a weather forecast.
I would like to leave this tablet plugged in ...
0
votes
0answers
23 views
How to disable 'Slowly Charging' message
I am looking to disable this intrusive message that pops up. You can not proceed to do anything on the phone until you acknowledge it.
To be clear, I am not looking for 'tips' to increase charging ...
1
vote
0answers
188 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
1answer
42 views
Battery for Samsung Galaxy S8
I am looking to replace the battery in my samsung galaxy s8. Amazon shows many available batteries, ranging in capacity from 3000mAh to 4350mAh, all about $20 or less. The one and only authorized ...
1
vote
1answer
83 views
What is the approximate battery discharge rate of Google Pixel 3XL phones when turned off?
I am considering purchasing a new Google Pixel 3XL Android phone, primarily for photography. I don't believe those phones have been manufactured for 2-3 years, so I am concerned about the battery ...
asked May 11 '21 at 5:31
RockPaperLz- Mask it or Casket
3,33219 gold badges49 silver badges89 bronze badges
0
votes
0answers
11 views
HDMI Input and charging dilemma
I'm needing to display an HDMI signal on an Android tablet. I can do it using an HDMI to USB capture dongle and the USB Camera Pro app, however I am unable to keep the tablet charged while it is ...
2
votes
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 ...
0
votes
1answer
15 views
How to stop screen from coming on with intermittent charging
I know we have this very old question and answers
How to keep screen turned off when plugging charger?
but why isn't this implemented by Android?
My scenario is that I use my phone for navigation on ...
2
votes
1answer
61 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 ...
1
vote
0answers
51 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
1answer
43 views
Is a specific charger needed to utilize 25W charging?
I have a Samsung Galaxy S10 5G. Is it important for the charger and cable to have certain specifications to utilize the 25W charging capability?
1
vote
0answers
42 views
Is it better to charge your battery above 50% or let it go down, technically speaking? [duplicate]
Following up on this question:
Is it better, when the battery is at 40% to let it drop (use the phone until it's 30% for example) or to let it charge to 70%?
As far as I understand 50% is the "...
0
votes
0answers
70 views
Why is my phone dies at 90 percent
My phone is Samsung J7108. It dies when it reaches 90 percent and it will turn on once again. But then, when it reaches 80, it will die again. I have to plug it on charge so that it will die down.
I ...
2
votes
1answer
46 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
votes
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
40 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 ...
0
votes
0answers
29 views
Is it possible to change maximum battery capacity to a lower value?
AccuBattery says my phones battery health capacity is around 80-90%. Android and all other devices naturally keeps charging to 100%, even though it will only be 90% charged. To me, this seems to be ...
1
vote
0answers
57 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 ...
3
votes
2answers
779 views
Phone won't stay off when charging Motorola Edge Plus on Android 10 and above
After getting a replacement phone from Verizon, the new Motorola Edge Plus will not stay powered off while charging, as the last one did.
After looking on the forums, I enabled developer options, but &...
1
vote
0answers
27 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 ...
0
votes
0answers
85 views
Reading battery level/voltage via USB port
I'm interested in creating a device that needs to externally monitor the battery level or voltage of the phone via the USB port. I haven't had much experience with the inner workings of Android, but I ...
3
votes
1answer
1k views
Does 'Battery Protection Mode' turn on automatically?
I'm the founder of a company that deploys Android tablets into a hospital
Making sure our tablets are plugged in is really important to us. When devices get unplugged we alert hospital staff to plug ...
2
votes
2answers
255 views
Asus Zenfone cycling in the starting of charging process
I have an ASUS ZenFone Max Pro (X00T/X00TD)
It is/was discharged and powered off. When i plug it in for charging, it is cycling in start of chaging:
vibration
the icon of empty battery
The bootloader ...
1
vote
0answers
30 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
109 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 ...
0
votes
1answer
428 views
Phone temperature sensor not working - Charging slow - How to fix?
Recently, something has happened to my phone's temperature sensor. It's showing ridiculously high values for the temperature (over 100 degrees), even though it's very cold. This has caused my phone to ...
0
votes
0answers
78 views
How to keep running Android tablet with dead battery
I‘m using Android Galaxy View tablet as photo-frame, integrated in the wall with AC adapter connected constantly 24/7. The problem is the battery inside tabled dies each year. And when the battery is ...
0
votes
0answers
17 views
Is it possible to keep the user data with a smartphone that boots to the data wipe menu?
My smartphone turns on without passing the OS loading screen, then loads the recovery menu (Redmi-Recovery 3.0). I can't turn off the device, I tried waiting for the battery to run off, charge it and ...
1
vote
0answers
148 views
Screen on when charging on powered off phone
The issue
My phone's screen is always on when I charge it while it is turned off.
It displays this image:
And the screen cannot be turned off. I believe it is not charging either, but I can boot it ...
0
votes
1answer
58 views
Android phone powers on spontaneously during charging
I want to charge the phone while it's powered OFF.
But it automatically turns itself ON during charging. It may be 87% or 90% or 100%. I don't know the exact reason.
Model = LG-K430n.
I don't like ...
0
votes
1answer
235 views
Can I replace Huawei 40W supercharger with third party charger but still provide supercharging feature?
Can I replace the Huawei 40W supercharger with a third-party charger but still provide a supercharging feature? I don't know what's those fancy things, but electronic isn't rocket science, but I tried ...
1
vote
1answer
64 views
S10 draining over 10% battery per hour while idling
My phone is less then a year old and I had my Screen replaced by Samsung about 2 months ago.(they also changed the battery and aluminium body).So the battery is almost new. About a week ago something ...
