Questions tagged [charging]

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

223 questions with no upvoted or accepted answers
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90 views

Why “System Update” app of “android 6.0” is draining battery

I am using Yu Yunicorn (5530) android phone. It has android marshmallow update. Recently I noticed when I put the phone on charging it takes long time to charge and never goes to 100%, also during the ...
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234 views

Mi A1 fast charging is baffling

Mi A1 when it was launched (Nougat) did not have fast charging capability , though the Qualcomm chip is capable of it. It was speculated that this was done to keep the cost to fit "budget" phone model ...
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67 views

How to disable charge waiting time Alcate 9024w

My Alcatel A30 tablet 9024w is a great tablet but it has this issue. If i let my tablet die it will be 20 minutes of charging until i can use it again. I would like to disable this self-imposed ...
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367 views

How do I disable “Supply power” over USB?

With my Nexus 5x connected to a desktop PC over USB: when powering down the desktop I've noticed the phone switches from "Use USB to just charge this device" to "Use USB to supply power to the other ...
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154 views

Samsung galaxy s5 doesn't turn on my powerbank Platinet 9000mAh

My powerbank platinet 9000mAh after 5 minutes of standby goes asleep and wakes up when I plug in charger or any device. When I connect raspberry pi, usb camera, wifi adapter or pendrive my powerbank ...
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1answer
31 views

android 4.4 phone not charaging and no sync when pluged into computer

My phone manufacture: Samsung Model number: sm-j110f android version: 4.4.4 rooted: Yes Charging only works if Phone is turned off Phone is in recovery mode Phone is plunged into an ac charger. ...
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40 views

Any reasonable answer for huge battery discharge when device is off?

Nearly three years ago I have asked this question. It brought certain attention, but no answer. Of course there is no change in Nexus behavior and device discharges its battery up to 30-50 times ...
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339 views

Is there a way to force android to accept slow charging?

My impression is that since the most recent Android updates my phone is shutting off the portable charger completely after warning me about slow charging. I basically get that on anything other than ...
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55 views

Battery LED keeps on if decrypted while charging

tl;dr If an encrypted phone is decrypted while charging, the battery LED will keeps on, even after disconnecting charging cable/change setting/soft reboot. Device: Samsung Galaxy S4 LTE (GT-I9505) ...
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2k views

Can I disable charging peripherals via USB?

I have an external DAC with it's own source of power. However when I connect it to the phone, it drains the phones battery. Is it possible to disable charging via USB on a rooted phone? Or at least ...
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1answer
376 views

Lenovo Vibe P1 display toggles on and off while charging

I have a Lenovo Vibe and using it from a year and a half. Recently I observed that the display turns on and off on it's own, while charging (only while charging) I tried to change Display Settings ...
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46 views

Detect battery discharging and send SMS

As solution for a problem at work, I need to find a way to send a SMS to a list of numbers if the mobile discharges for 1 minute or more So is there any recommendation on how to achieve this?
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413 views

Battery Percentage Recalculate (Not Calibration Reset)

When I'm busy and don't want to reboot, I put the android phone on charge and pull out the battery and put a charged battery in quickly (without reboot) But the battery percentage level does not ...
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383 views

Removing charging animation from the tablet installed in a car

I've bought a no-brand tablet based on Allwinner A33 CPU running Android 4.4.2 to be put as a media system in a car. This tablet has few specific features which makes it suitable for the task but the ...
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56 views

Charging Behaviour Changed After Using Car Charger

On a recent road trip, I used a car charger to re-charge the battery on my Nexus 5 phone. Ever since, I have noticed a significant increase in the time required to charge the battery, even when using ...
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118 views

Why does my OnePlus One draw 60% more current if I turn off the screen AFTER plugging it in?

It's pretty simple: If I turn off the phone's screen and then connect the wall charger, the power supply draws ~6W from the wall, and this doesn't change if I keep waiting. If I connect the wall ...
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2k views

alcatel onetouch FierceXL battery is draining too fast

I've only had my onetouch for 3 weeks now and all of a sudden the battery started draining rapidly, even when I plug it into the charger, and charging very slowly. If i use the phone at all when its ...
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1answer
684 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 ...
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578 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 ...
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1answer
1k 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) ...
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1answer
299 views

Can I charge my android cell phone with another usb chager?

I have an Android phone and a Tablet. Sometimes, when traveling, I just want to take one of the chargers. Is this ok? Can I just use any usb based charger in any android phone or tablet or can there ...
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1answer
480 views

Usb Speaker with External Power supply? S ll

I'm using a 2x3W yenkee usb speaker with my phone through an usb otg cable and it's working fine, but when I turn the volume up the speaker turns off.I assume it's because of the high power ...
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1answer
72 views

2014 moto x battery life

I'm experiencing an issue with my 2014 Moto X's battery running Android 5.1 and I was wondering if someone have any suggestions or something ... for example, yesterday I had about 30% left of my ...
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784 views

Samsung Galaxy S4: After 5.0.1 update phone only charges when switched-off

While my phone was updating it was plugged in by the wall and charging. After the upgrade the battery was drained by the evening, and when I plugged it in to charge again, nothing happened. I ...
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550 views

How to charge a phone without it turning on?

I've got Sony Xperia Z2 (phone) and Sony Xperia Z1 (tablet). Every time I put one of them on charging (and pick up from charging for that matter), the device will turn on. I don't like it and I'd ...
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301 views

Nexus 4 red light of death. Unable to fix it (tried two possible solutions)

Using a 3-year Nexus 4, I started yesterday to suffer the red light of death issue. Firtsly, I open the unit, disconected and conected the battery, following the directions of: https://www.youtube....
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490 views

Phone switches off while charging

My Samsung Galaxy Note 3 Neo sometimes turns off automatically while charging on original wall charger. And then no physical button works, I have to remove the battery and then have to restart it. ...
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75 views

How do I test to see if a battery is good?

I have had such a nightmare with sprint. I'm not going into all the details but I ordered a battery for my htc 3d phone. I just want to get it up and running. I lost 10 days worth of texts and ...
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63 views

How can I prevent battery saver from disabling when the device is charging?

The battery saver functionality in Android 5.0 and 5.1 automatically turns itself off when the device is "charging". Unfortunately, when I'm charging my tablet from my car, most of the time the charge ...
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418 views

How do I stop the “Connected as Installer” when connecting to computer? (LG G3 Lollipop)

When I connect my LG G3 running Lollipop to my Mac, the phone connects as an installer. The Verizon Mobile finder window pops up and my phone notifies me it's connected as an installer. I have ...
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83 views

Increase the efficiency of charging

Is there a way of increasing the efficiency of charging an android device without switching the device off? I am not talking about using different cables, chargers, hardware etc, I'm interested in ...
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1answer
34 views

Is it possible to configure the phone to charge when the battery left X amount of juice?

Illustration: I plug in an android phone to either a power bank or a charger. However, I do not want it to start charging immediately. I want to configure the phone such that when the android phone ...
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1answer
665 views

How to get rid of “Battery not charging dialog”?

I have a Sony Xperia ZR phone with Kitkat 4.4.2 and when I watch HD movies on non-MHL TV connected to the phone using a HDMI-miniUSB cable with external power source auxiliary cable, I often see a ...
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640 views

Why does the screen flicker when connecting to a third party wall mounted USB charger

After going through this post(Why does my phone have erroneous input when connected to a non-OEM power source?) I am asking this question the above post does not solve my question up to the mark. I ...
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869 views

My Samsung Galaxy S2 is not charging; it heats up when connected to a charger and it doesn't boot

I have a Samsung Galaxy S2 GT-I9100. I had recently installed Cyanogenmod from CM Installer. But one day while I was flashing the stock ROM via Odin, the progress bar was stuck at factoryfs.img and ...
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0answers
3k views

Samsung s3 makes “plugged in” noises while charging

I have recently bought a third party USB cable. I am still using the original wall adapter that I got. Now, I noticed that while charging, it sometimes makes the "plugged in" sound as if I had just ...
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493 views

Android tablet I2C Read Errors

i've a brand new Ramos i9 tablet and have big issues with the touchscreen and charging. I've rooted it, and before i send it in for repair, i'm trying to debug the issue (in hope it's only software). ...
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1answer
502 views

My Samsung Galaxy S 2 indicates it is charging but doesn't

My Samsung Galaxy S 2 indicates charging but is not adding charge to the battery. I have changed my charger many times but the problem continues. What's the solution?
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386 views

Micro USB cable - Intermittent

I have a http://www.amazon.com/gp/product/B004QOAGOQ/ "4-port USB charger". Recently I noticed that some Android devices e.g Nexus 7 (2013), charge very slowly when one particular micro USB cable is ...
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4k views

Nexus 5 takes forever and a day to charge

Since I have installed franco Kernel on my device, charging takes longer than normal (I'd guess 4-5 hours?). But today charging became extremely slow. I plugged it in overnight and this morning it ...
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1answer
293 views

KitKat issue: device turns on when plugged in

Yesterday I updated my Samsung S4 to 4.4.2 (I9500UBUFNA2 - Kernel 3.4.5-742022 18-Feb-2014) via Kies 3. If device is turned off then I plug in, picture of measuring battery image appears for 2 seconds ...
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0answers
892 views

USB charge in android 4.2.2

I have an android 4.2.2 phone. When I connect it to my desktop PC, it is not charging (Showing as charging and disconnected repeatedly). Checked by changing USB cable, connecting to different PC, ...
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883 views

Galaxy tab 10.1 charging with USB 3.0

When referring to this post, it seems like the Samsung Galaxy Tab should be able to charge while connected to a USB 3.0 port while running. I've noticed that when I have my Tablet running and plugged ...
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1answer
475 views

How to solve the short battery life with galaxy s4?

I bought Galaxy S4 in just half year. However I found some wrong with the bettery, my phone shutdown automatically recently with over 20% battery. I can only use the phone for two hours after my phone ...
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0answers
107 views

Galaxy Nexus reboots on USB connection

I've had my Galaxy Nexus since April of 2012, and it's been fairly reliable ever since. However, for the past few weeks, I've noticed that it's rebooting whenever I plug it into my computer for ...
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0answers
84 views

Android battery mucking up

I have an unusual problem with my galaxy s4 battery. Screenshot (click for larger variant) Sometimes when the battery level is 85% it can shut off and when I turn it back on it can go straight to 0%....
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0answers
2k views

Galaxy s2 is recognised by computer but doesn't charge

This is an odd one but today I noticed by S2 wasn't charging while plugged in. I tried connecting it to the computer and it came up as a media device as normal but still didn't charge, the battery ...
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2answers
94 views

I'm interested in using a laptop battery as an external battery pack for phone

As title said I'd like to use a laptop battery for my phone as an extender. One usage would be on a plane where my laptop is too bulky to really use but I could pull the battery out of it and use it ...
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0answers
233 views

problem with charging symbol,

I purchased a unlocked Samsung Galaxy 3 mini from the internet. Worked fine until I went abroad and change the SIM card. Now I am back in the UK, I am having trouble charging the phone. The charging ...
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2answers
153 views

Full battery completely depleted within a few hours without any user activity — what to do?

I left my phone on the table with full battery without doing anything with it. After a few hours the battery was completely depleted, and the phone automatically shut down. What could cause such a ...