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Questions tagged [charging]

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

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14 views

Unusual Decrease in Charging Amps

I got to know about the Ampere app, which basically tells you how much amps does your phone draw while charging. I have noticed that my charger keeps on decreasing from 680 mA to 0 mA in 5 minutes and ...
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13 views

Android smart phone wont turn ON

When I try to turn On my LG L7, it shows Device temperature too high or low. Please move to another place to charge. And it wont turn ON. It started after I tried to measure voltage between the ...
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2answers
24 views

Can I safely charge a SGS9 device with a 5.2V MacBook Pro 2018 USB-C charger?

Can I use 87W USB-C Power Adapter for MacBook Pro to safely charge a Samsung Galaxy S9 device? I'm curious as on the charger it says the output is 5.2V, while the phone seems to require 5V. The specs ...
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1answer
41 views

Make device take power only from charger when the battery is full

I made a device that is up and running (screen is on) 24/7 and connected to AC charger. After only 1 year, the batteries of these devices are dead. I don't really understand since the device is ...
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1answer
44 views

Does Huawei's super charging affect the battery?

I have a Huawei P20 pro and it came with a "super charger" that can take full charge the phone's battery really quickly. Sometimes in less than an hour. I wonder if this affects the battery's ...
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1answer
21 views

motorola droid turbo battery not charging

I bought droid turbo about five months and I upgraded it to marshmallow. Unfortunately, it fell on the ground four times, then the fourth time it stopped charging. When I connect the charger, it ...
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0answers
20 views

Nokia 3 device not starting just boot sounds in a loop?

After flashing nokia 3 firmware my nokia 3 device battery started to drain and when it gets lowered to 10% the phones dead and only boot sounds and vibrates. The device is constantly boot vibrates ...
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2answers
57 views

Macrodroid: I want a repeating alert when battery is less than/over than x%

I want a repeating alert when battery is less than/over than x%. I have a pair of alerts (Using MacroDroid) that are triggered by a battery level change. One of less than 35%, and one of more than 85%...
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1answer
44 views

How can I get Ethernet adapter and still be able to charge my tablet

I found this adapter to add Ethernet to my android phone, but looks like doesnt power the device. Is there a way to have Ethernet connection and still be able to charge the device at the same time? ...
2
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1answer
60 views

Is my battery damaged?

I have an HTC 10 running stock Oreo with Sense, not rooted and S-ON. I bought this second hand and don't know whether the issue came up as the phone was upgraded to Oreo, or whether it had always been ...
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1answer
38 views

Cell Phone is unresponsive, but after it ran out of power it was chargable again?

So yesterday my cell phone was acting strange, it didn't respond to charging and/or could not turn on (no charging light and blank screen). Today (I assume after it ran out of power), it is charging ...
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0answers
41 views

No offline battery animation android oreo

Currently i am facing issue in no offline battery animation, which is charging animation while phone is turned off when charging. i already tried to put charging icon in the folder, but it wont work ...
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0answers
26 views

Is the phone ONLY powered by external power (wireless charged) when battery reports full? [duplicate]

I read conflicting reports so i am asking this for 100% clarification: This the scenario: Lets say im an Uber driver and I need to have my phone ON all the time ( Waze, Google maps, etc ). Its on a ...
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0answers
37 views

data/sensors_calibration_params.xml does not exist while factory reset

data/sensors_calibration_params.xml does not exist while factory reset of lenovo yoga tab 3 and it's battery is stuck at 0%. I have done factory reset and have tried different cords to charge but it ...
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0answers
21 views

Charging keeps turning on and off when supercharging (only when mobile is turned on)

I have a Huawei P10. When I plug it into the charger with supercharge capabilities, it keeps turning on and off (by turning off, I mean not charging at all not just supercharging). This doesn't happen ...
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1answer
28 views

Automate Charging cycles for always connected devices to wall outlet [duplicate]

Is there any way to automate charging cycles (like charge only from 40% to 80%) if the device always connected to power outlet? I'm searching for a way to read charging level and send commands to ...
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1answer
26 views

Why does fingerprint sensor not work when phone is charging?

I often face this issue. The fingeprint sensor does not work and sometimes the touch also misbehaves when phone is charging. Why does this happen and how to fix this? I experienced this issue with ...
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0answers
30 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. ...
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1answer
38 views

Battery shuts down at 25%

I've read that battery calibration apps are only a placebo effect and they do nothing. Is this true? What to do if your phone suddenly shuts down at 25%?
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1answer
36 views

samsung s9 Charging time

My new Galaxy s9 is taking around 1 hr 39 mins to completely charge the battery. I checked with Samsung customer care they said it should take normally 50 mins to 1 hr. They did some test on mobile ...
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0answers
220 views

How to make phone boot automatically upon battery insertion (unlocked bootloader and root: yes)?

By battery insertion I mean current flowing on the battery pins, not the micro USB port. Description The phone in question is a Samsung Galaxy Xcover 4, the bootloader is unlocked, and I have root ...
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0answers
32 views

Why does a charger charges one phone but not another?

I have a charger that came with my phone, Huawei Mate 9. I recently bought another phone, Xiaomi Pocophone X1. I tried to charge the new phone with my charger (and cable) and it went into boot loops ...
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1answer
55 views

Change battery meter behavior

I heard that charging li-ion batteries to less voltage value heavily increases number of (charge-discharge) cycles, while decreasing phone work time(energy return from charge) only for a little. ...
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3answers
90 views

How to increase charging current on OSX computers when using USB 2.0 from 500mA to 2000mA?

Authenticated Apple devices can charge at up to 2100mA x 5V. Apple-non-fast-charging and non-Apple devices are relegated to much slower 500mA x 5V charging. Thus, while my OnePlus One phone itself ...
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0answers
123 views

S7 charging problems

Apologies if this has been answered already. I searched and found many variations on this issue, but nothing that applies directly to my situation. At first, I thought my old off-brand cable was to ...
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1answer
199 views

Possible to charge device with Google Pixel phone through USB-C?

Is it possible to charge an external device using Google Pixel smartphone as a battery? In other words, can I change the charging direction (reverse charge) so I can charge e.g. a laptop using my ...
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1answer
161 views

Do all USB C data/charge cables support Quick Charge?

I have a Xiaomi Mi 8 which uses a USB C connector for charging. As long as my phone supports Fast Charging, do I need any sort of special USB C cable to take advantage of the fastest charging speed ...
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0answers
26 views

Keep android phone running for days

This is our situation: We have an android tablet that must run some stuffs for longer than one day (running videos, musics or other). For this purpose we attached our tablet to an external battery ...
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1answer
52 views

One end of usb cable got wet while still plugged into an outlet

I have a galaxy s7 edge phone. The usb cable for charging, the end that plugs into the phone (I think it's called a connector) got sticky due to some food. I used an antibacterial liquid to clean it. ...
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0answers
44 views

Note 4 difficult to boot, refuses to charge and has a chance of going to a screen that says “Could not do normal boot. Odin mode (high speed)”

So i bought this note 4 off ebay. My other note 4 is busted (screen popping out, turns on and off) and i didn't want all the stuff i had for it to go to waste, i have a newer S8 too but i need a spare ...
1
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1answer
275 views

Difference between system files charging_enabled vs battery_charging_enabled

I have a oneplus2 and I need to know the difference between charging_enabled vs battery_charging_enabled files present in /sys/class/power_supply/battery I am using an app called Battery Charge Limit ...
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1answer
226 views

USB OTG Extension Cable and DAC

I am trying to get audio through my USB DAC on various tablets with OTG functionality and I don't know why it's not working! First off. It works just find when I use the OTG adapter straight to the ...
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1answer
28 views

Charger with long usb cable

I have ASUS ZENFONE 2 with model no ASUS_Z00LD and type ZE550KL. I need a adapter and charging cable of at least 2 metre length. Google is not showing relevant results. How do I get one?
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0answers
34 views

Phone dying at 23% charge

I changed the battery of my OnePlus one (original and new, from EBay). Everything went well, the new battery seems to do its job. But now my phone keeps turning off and vibrating at 23% charge.... If ...
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0answers
14 views

Motorola g5 charge port issue

I've been wondering whether my issue with Motorola g5 is software related or hardware. It's hard to charge it, there are a lot of apps installed so it could be software. But the inconsistency e.g. ...
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1answer
195 views

Prevent disable power saving while charging [root]

When I plug my phone to solar cell cpu optimisation turns off and the speed of discharge increases severalfold. How to prevent cpu always on when phone charging? Phone: Rooted Samsung Galaxy S III ...
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0answers
116 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: ...
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1answer
38 views

Samsung phone charges poorly, periodically

My Samsung S8+ has started having periods when it does not keep up 100% charging when connected and in simple editing usage. If I leave it idle it charges slowly and the "charger beep" occasionally ...
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0answers
27 views

Restart charge from powerbank on rootet phone

A have rooted android 4.3 device and charge it from power bank. Charging stop after 100% and not continue after phone discharged until i unplug and plug again usb connector or push butoon on powerbank....
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1answer
424 views

Huawei P20 Pro charging in USB host mode

I'm seeing several related questions here. However, most of them are ancient (as in 2012) and refer to micro USB and maybe the USB-C standards are different with regard to host mode charging. I'm ...
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0answers
56 views

Are there any powered USB-C hubs available for Google Pixel?

My question is probably technically a dupe, but the only answer is not exactly clear: the phone is absolutely capable of providing a charge and transferring files That's not what I'm after - I ...
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0answers
33 views

Simultaneously charging a phone and reading data from usb data pins

-Dear everyone, I'm working on a project which is a portable solar phone charger. Solar panels charge a battery, and the battery charges the phone through a usb cable. On the phone, I will make an ...
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0answers
52 views

Xperia E5 overheating and losing charge very rapidly

I've had an Xperia E5 for around 1 and a half years now. I had no problems with the phone whatsoever, it held charge for around 3 days under my usage but suddenly, four days ago it just became really, ...
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1answer
65 views

Does the average cellphone battery protect against overcharging or deep discharging?

It's known that Lithium Ion batteries are damaged by overcharging or deep discharging. While I've seen an Xposed module which prevents the phone from charging the battery above 90%, I'm wondering if ...
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0answers
548 views

OTG + simultaneous charging with USB Type-C cable?

This video shows how to make it with a Micro USB. Is it possible to make the same thing with USB Type-C ? Thanks! http://youtube.com/watch?v=pH895umr0UA&t=8m43s
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3answers
7k views

How to limit charging to 60%

My UleFone Armor 2 has 4700 mAh, but I would like to limit it to 60% to delay away the moment where the battery dies. How can I limit the charging to 60%? Lenovo ThinkPads have a built-in feature ...
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0answers
31 views

Kindle fire no longer keeps a charge?

So ... I have a kindle fire 7 (2017) and it is about 3 months old. However, for about a week I have noticed something odd. When I plug it in to charge it either doesn't register the charge or will ...
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1answer
2k views

How do I disable rapid charging?

When I plug my phone in the AC charger, it says "charging rapidly" and charges from 20% to 100 for less than 90mins. Is it possible to charge it normally? When I charge it over USB it takes up to 7 ...
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1answer
1k views

LG G6 - “Charging blocked, moisture detected”, would rooting help?

When I charge my LG G6, I randomly get the error message "Charging Blocked - Moisture Detected". I sent it back to LG, but they said I was no longer covered by warranty because the SIM card tray is ...
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0answers
22 views

Samsung S4 Android 4.4 Freezing

I have an Android S4 where is the OS is constantly crashing and I have to reinstall it. The crash usually occurs after a few days when I update apps or install new ones. I'm wondering if the battery ...