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Questions tagged [charging]

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

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9 views

New Samsung Note 9 battery charger compatibility

I just bought a new Samsung Note 9 (Exynos 9810). Little did I know that the model I ordered was the EU version and not the US version, so the charger I received was unusable with any of my power ...
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12 views

Why Don't USB 3 Y-cables Work for Charging

I use a Samsung Galaxy S5 in a robot. Keeping robot and phone batteries charged is a constant issue. So I've acquired a bunch of different Micro USB3 to USB A Y-Cables (splitting power and data) in ...
8
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1answer
85 views

Plugging phone into laptop charges laptop instead of phone

When I plug my father's Xiaomi 5X into my MacBook Pro, it shows up as a charger on the MacBook and I don't get the usual USB options on the phone. Tried it on two Macs with same result. Also tried my ...
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9 views

Nokia 1 phone usb tethered to Asus 51U router..insufficient charge

works fine..unlimited data on phone with a usb cable connection from micro usb in phone to normal usb 2.0 on router. These routers can use usb connection is selected as source. Problem...the half amp ...
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1answer
32 views

Power empty android (Samsung) - cannot charge

Samsung SM-T580 power became empty and stopped. Connection with charger result in flickering (black) screen with the charge icon showing. I used several cables and adapter. After many hours the tablet ...
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0answers
31 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 ...
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1answer
40 views

Leaving phone plugged in all the time?

I have a spare OnePlus One that I use for home automation stuff (RM Plugin, Tasker, etc.) I leave it plugged in all the time. Sometimes the phone does get quite hot. Just today, wanting to do more ...
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0answers
44 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, ...
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0answers
21 views

Shorting data lines in android [closed]

I want to modify my smartphone charger, i plan to use a dc socket with + and - only to charge my smartphone, now i wanted to increase the current to about 900 mA that's the current of my charger when ...
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1answer
24 views

Power on when charging but only when battery level is greater than 20%

I have recently tried to fit a tablet into my car and I came across a problem with waking up the device without using the power button. My solution is to boot the device whenever it is charging, but ...
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2answers
23 views

Phone not charging

My phone doesn't charge at all, even when is charging while switched off. And I have tried it with many chargers and battery. But same thing keeps happening
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0answers
19 views

samsung tablet charging procedure

I am considering tablets to use in a small plane to run Sky Demon, a navigational aid. The Samsung tab A 7" is suitable as far as I can determine. The plane has a 12 volt socket similar to a car. The ...
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1answer
52 views

Is it bad if a cable is higher current rating than a charger?

First time asking here, but Is there any potential harm in using a charging cable with a higher current rating than a charger it is connected to? It's a tablet (Asus P027) and its charger is 5V/2A ...
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0answers
17 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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0answers
18 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
42 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 ...
0
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1answer
44 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 ...
0
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1answer
313 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
40 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
23 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
95 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%...
0
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1answer
214 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
69 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
40 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
77 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
58 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
28 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 ...
0
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1answer
42 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 ...
0
votes
1answer
31 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 ...
2
votes
0answers
34 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. ...
1
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1answer
42 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
42 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 ...
2
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1answer
473 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
33 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
61 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
183 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
163 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 ...
0
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1answer
522 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
459 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
28 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 ...
1
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1answer
54 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
60 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 ...
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1answer
445 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
244 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 ...
0
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1answer
30 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
35 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. ...
0
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1answer
276 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
301 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: ...