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

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0
votes
0answers
420 views

USB and charging port is not working after rooting

I have rooted my HTC Desire 620G with kingoroot. After rooting the phone is not getting charged while its switched on. The phone can be charged by switched it off. Also the phone can not be connected ...
3
votes
0answers
341 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 ...
0
votes
0answers
383 views

usb OTG host mode and charging at same time with Moto G xt1033

I know specific android phones can have a usb slave device in otg host mode connected and be charged at the same time with this sort of cable: http://www.amazon.com/Micro-Cable-Player-Samsung-Galaxy/...
1
vote
2answers
96 views

Is there a way to leave the phone plugged in, but schedule when to actually charge it?

Under my normal daily use, my phone would have around 50~40% battery power left before I go to sleep. I don't want to keep my phone plugged in to charge over night, but I do want it to be at 100% ...
0
votes
1answer
183 views

How to recalibrate the OS for an external battery?

I recently bought an external non-standard 7000 mAh battery for my Samsung Galaxy S3 but the phone doesn't seem to recognize it. Is it possible that the phone needs to be reconfigured or recalibrated ...
0
votes
0answers
59 views

Why won't my Samsung Galaxy S3 charge?

I have been using this phone for like almost three years and I didn't see anything like this but from past month my phone doesn't want to charge. I tried changing chargers because I thought it was ...
1
vote
0answers
169 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 ...
0
votes
0answers
53 views

Battery charge 0% on Galaxy Nexus / Android 4.3.3

I have just connected a charger to my Samsung Galaxy Nexus i9250 phone with Android 4.3.3 and for the first few minutes it showed me (on lock screen) 0% battery charge. Aside of discussion, how bad ...
4
votes
2answers
2k views

Is possible to charge device and provide data transfer using a single USB port?

I have a tablet that only has one USB port that it used to recharge the battery (so no extra charger port), and I need to connect another device to it (ex: USB drive or printer) that only needs to ...
1
vote
0answers
72 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....
1
vote
0answers
224 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. ...
2
votes
3answers
2k views

My Nexus 4 says it's charging but it's actually discharging

I plug in my Nexus 4 to a charger cable plugged into a wall outlet each night, and each morning I disconnect it. But sometimes during the day when it's not plugged in, like today, it says "Charging - ...
5
votes
4answers
8k views

Nexus 7 says it's charging but it isn't

I have had a Nexus 7 since September and today something strange happened. I plugged it in, as usual, to recharge the battery. It charged up to 36% and now it still says it's charging but it never ...
0
votes
1answer
99 views

A Bad Charger Damaged My Asus TF300t Tablets

I bought a charger set off of Amazon.When i plugged it into my tablet it flashed and rebooted and the battery shows 0% and will not charge.Also when i hook up the USB charger the computer does not see ...
3
votes
3answers
5k views

How long device has been running since last charge?

In Android Lollipop, how do I see how long it has been since the last time I charged the battery? I mean I can get the approximate time by eye-balling the graph shown in Settings -> Battery. But, is ...
243
votes
6answers
64k views

Does constant charging harm my Android cellphone?

I usually disconnect my cellphone from the charger some time after it's fully charged because I'm afraid the battery could lose capacity over time if I don't. However, I believe modern electronics ...
1
vote
0answers
37 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 ...
2
votes
4answers
11k views

Why can't I charge a Samsung phone?

I use a dual-port 2-amp charger with an Amazon Basics USB cable. This works perfectly fine to charge my Nexus 4 and the Nexus reports "AC" not "USB" as charging mode. From the recharge time it's also ...
6
votes
2answers
3k views

How can I restore the display of the battery status on the lockscreen?

I have a Samsung Galaxy Fit - GT S5670 model. When I charge the battery, there used be a percentage on the pattern screen. Somehow it is not showing now. All it is showing the word "Charging" but no ...
0
votes
2answers
31 views

My Galaxy Tab 3 requires a cable so what can I use as a substitute?

Is it ok for me to charge my galaxy tab 3 using a samsung phone charger?(only the cable is from the phone, the jack is of the tab)
1
vote
1answer
46 views

S3 mini switches off randomly

My S3 mini switches off when I use social media or browse internet, then won't switch on until I have put it on charge but then it has 75% battery, just comes off charge and then the same thing ...
0
votes
1answer
67 views

my phone glaxey s4 had its screen crashed and Ive changed it and now it wont charge

My Samsung Galaxy S4 keeps showing the message "Charging paused. Battery temperature is too low", whenever I plug the phone into a charger. I've tried using a different charger and even another ...
0
votes
1answer
138 views

Samsung galaxy 3S, battery is good, phone won't charge or power up

I have a samsung galaxy 3S, about a week ago it rebooted itself, since then it will won't charge or turn back on, I have tested the battery to see if it was that, the battery works perfect, I have ...
0
votes
4answers
124 views

Nexus 4 charging/uncharging while plugged in

I have a problem when charging my Nexus 4, I tried looking around to no avail. My problem is that when I have my phone plugged in to charger it doesn't charge, Instead it flickers between charging ...
1
vote
2answers
566 views

Phone is too flat to charge

My phone died today, and now it won't charge at all on the charger it came with. I don't think the battery has failed, as it still gives me just as much charge on a full charge as always. The phone is ...
5
votes
4answers
3k views

Battery meter went crazy and now stays at 0%

I have a Samsung Galaxy Discover that worked fairly well until the last week or so. I ran the device down down to 0% - at which point the device shut off. I performed a full recharge and then ...
1
vote
0answers
49 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 ...
1
vote
0answers
277 views

Customizing charging animation in Asus Zenfone 5

I recently rooted my Asus Zenfone 5. When I looked at the system files using ES, I found that the animation used while charging the phone, when it is charging. I was wondering if I would ruin the ...
0
votes
3answers
524 views

How to check if my battery is OK?

I use my phone mainly for wifi use and I know it is a battery hog. However, what I would like to know is how much time it takes for the battery to charge. I guess it is supposed to take like 4 mins to ...
2
votes
1answer
312 views

Is slow charging bad for the battery?

I know that charging the battery too fast can overheat the battery and shorten battery life. But is charging it slowly, e.g. from a USB 2.0 cable plugged to a laptop, also harmful for the battery? I ...
2
votes
2answers
5k views

How can I make my Lenovo ThinkPad tablet charge up faster?

It takes a very long time (half a day) to charge up with a USB 2.0 charger plugged in the wall outlet.
1
vote
1answer
511 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 ...
0
votes
1answer
424 views

Sprint Samsung Galaxy S3 Dropped phone now it won't power on or charge

I have a Sprint Samsung Galaxy S3 (SPH-L710) worked fine until I dropped it. After I picked it up the phone shut off, I tried removing/reinserting the battery, it would go to the Samsung logo, vibrate,...
0
votes
1answer
145 views

Without switching on, charger lights turns ON when phone gets connected?

It's kinda bad day today as i dropped my phone into a water for 5 sec. Phone turned on & I tried to clean it. Since the battery gets low, i plugged the charger cable to my phone. Without ...
0
votes
1answer
162 views

Nexus 5 with android 5.1 has battery life issue

I have Nexus 5 with android 5.1. The phone is fully discharged per day. Although I only make a few calls per day. How to fix it without downgrade to adnroid 5?
1
vote
0answers
263 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 ...
15
votes
5answers
16k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, link2)...
1
vote
3answers
4k views

Nexus 4 wont charge or turn on; LED is blinking red

I've been charging my Nexus with the original charger for 2 hours. It still shows red LED light when I hold the power button. I've tried everything: Different USB chargers Holding the volume button ...
1
vote
1answer
1k views

How can I disable usb charging on Android phone (Nexus 5)

I use my Nexus 5 as development device, so I plug-in and plug-out into computer usb very often. What makes me worried is that too many this way "li-on" battery charging cycles get wasted too fast. My ...
4
votes
1answer
4k views

Looking for a consistent answer about battery calibration

This forum is full of questions about battery calibration. The thing is, that either I'm blind or one answers contradicts others. In particular: For example forums says, that battery should be ...
1
vote
0answers
100 views

Android device with USB HUB and Charge

I have a Chinese android tablet with MTK8392. It has only 1 micro USB port. The OTG function is working well, I can use a special USB keyboard with OTG. Is there ANY way to use this USB keyboard AND ...
2
votes
1answer
212 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?
2
votes
1answer
1k 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 ...
1
vote
1answer
53 views

Can I charge my tablet with a plug that has different output voltage and current?

Can I charge my tablet with a plug that is for an old fashioned mobile phone? The plug has a different output voltage and output current.
0
votes
1answer
225 views

Should I charge phone overnight or let battery down to a minimum?

For many times I found myself in a situation, that my battery charge was about 25-30% when I was going to sleep. Since I was always told to not let battery down below 20% (correct me, if that's wrong) ...
9
votes
5answers
4k views

Is there a quick-fix for the Galaxy Nexus when it signals “charging” without beeing connected via USB?

My Galaxy Nexus goes into charging mode but when it isn't plugged in. The battery symbol then indicates a charging and when in suspend mode, the display turns on which drains battery rapidly. I am ...
1
vote
1answer
843 views

Powered USB hub not charging phone. Kernel options?

I got a powered USB 2.0 hub (ET-UP900). As power source I am using the phones charger. But if I connect the hub with my phone (SM-C115) it does not charge. If I connect the charger directly it works. ...
2
votes
0answers
5k views

Auto boot when charger connected (for HTC Magic)

I want to let Android OS to boot automatically when the charger connected (for HTC Magic) without pressing power button I found this guide: Complete boot when charging If your phone only gets one ...
0
votes
1answer
572 views

Turning off Galaxy S4 while charging

I manually upgraded my Galaxy S4 to Kitkat; since it was rooted, upgrade couldn't be done automatically. It was successfully done but thereafter my phone turns on automatically whenever a charger is ...
0
votes
1answer
111 views

How can I have my device charge only when battery is below a given percentage?

So I've mounted my Nexus 7 onto a wall and use it as a sort of info screen / home automatisation device. Now this would require the screen to be on all the time which is why I want it to be connected ...