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

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0
votes
1answer
4k views

Cannot charge due to low battery temperature on Lenovo P780

My Lenovo P780 won't charge because the battery warning always pop up & says that charging is paused due battery's temperature is too low. I have checked the battery's temperature & it is ...
30
votes
9answers
77k views

Why is charging from computer using USB slower than using an outlet?

And what is roughly the ratio of the charging speed in USB vs charger? My phone is Samsung Galaxy S, if that matters.
2
votes
1answer
109 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 ...
1
vote
1answer
14k views

Samsung Galaxy Tab GT-P1000 USB Cable Problems ; Charging Problems

Galaxy Tab is an old tablet.Yesterday,I can "resurrect" it from the dead,and I buy a fake USB cable to charge and exchange data. Since I have a worser phone than the Galaxy Tab,I really want to play ...
0
votes
2answers
19 views

does charging the phone with other chargers affect mobile or battery?

Actually I used Micromax charger instead of Xolo charger. I have xolo era x phone. My phone gets switched off if I keep it idle for 4 min. Why it is happening?
1
vote
2answers
4k views

How to calibrate a new Nexus 5 battery that's higher capacity than original?

Just got a KBTEL battery that's 3800 mAh compared to the original 2300 mAh nexus battery. I charged it dead overnight, and now its been running for more than 7 hours and the capacity shows below 5% ...
0
votes
1answer
95 views

OnePlus Dash Charging on the OnePlus Three

The OnePlus Three is out and I got mine yesterday. It comes with speed charging (which OnePlus calls "Dash Charging"). As I read, it only works if the plug it comes with and the USB type C cable it ...
0
votes
0answers
17 views

replacement battery for HTC ONE MINI not working correctly

help...I replaced the battery in my HTC ONE MINI with a advertised OEM replacement battery. When the phone is connected to it's charger, the red light comes on briefly, then starts and continues to ...
0
votes
3answers
69 views

Nexus 7 (2012) won't charge or start after a series of problems

A year or so ago, I bought an old Nexus 7 that was very slightly used (I took it off my girlfriend's hands). Everything worked fine, but I barely ever used it. Two days ago I broke it back out. I ...
0
votes
2answers
2k views

Vixion IRUX Tablet battery will not charge

I bought this tablet recently in Tenerife. Can find no information about the manufacturer. Now the battery will not charge through the mains adapter. It did charge at first. However, I have found ...
1
vote
0answers
31 views

LG phone seemingly stuck on “Firmware Update”

This may or may not be off-topic; feel free to point me to a better place to ask this. My father brought home a cell phone he found in the woods, and I thought I'd charge it and turn it on to see if ...
0
votes
1answer
36 views

Slow USB charging

I'm using Samsung Galaxy S5 and usually charge through USB port of Dell Inspiron 14z laptop. I know that USB charging is slower than wall charging. But USB charging becomes much slower than usual ...
0
votes
1answer
2k views

Samsung Galaxy Note 8.0 (GT-N5100) USB connection & charging problem

I'm having problem with my Samsung Galaxy Note 8.0. When I connect it to a laptop/desktop computer it just won't acknowledge the connection. I just wanna transfer some files to my tablet. Before it ...
3
votes
2answers
436 views

Nexus S and phone charger get unusually hot when plugged in

I was using my Nexus S today and it turned off suddenly. I plugged it in to charge and saw it load to the boot splash screen, and then I went to sleep. When I woke up 2 hours later my phone was dead. ...
1
vote
0answers
24 views

Ethernet and charge via USB type C

I have an HTC 10 with the new USB Type C connector. As USB C is also the primary (or only) connector on some laptop style devices such as the Pixel C and new MacBook, there are many Ethernet and USB ...
2
votes
0answers
106 views

Screen Fades After Charging Nexus 5 with Certain Chargers

I've had my Nexus 5 screen burn a few times over the past year or so, which is a little unusual since I've never once left it on when not in use. It happened again today, and I finally noticed the ...
0
votes
1answer
75 views

Nexus 5X stays awake after charging

Nexus 5X running 6.0.1 shows awake after disconnecting charger cable. Reboot helps but later the awake state persists if I connect charger back.
1
vote
0answers
63 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 ...
0
votes
0answers
25 views

Device stopped charging or detecting USB

This is weird, i was developing on android studio and then suddenly my device stopped detecting USB, i tried rebooting and now device lost detecting USB and even Charger. totally no icon when plugged ...
18
votes
2answers
7k views

Charging over USB can be harmful?

Considering that charging over USB can take around 5 hours (to only 1-2 hours it would take from the wall mounted plug), can it be harmful for the smartphone battery if it's always charged from USB?
2
votes
2answers
2k views

My Galaxy mini having trouble with charging

Today I noticed that my Galaxy Mini is not charging properly. In morning it was switched off even after charging for the whole night. Some weeks ago the same problem had occured, but some time after ...
2
votes
1answer
3k views

Auto turn on after power on for an Android-based device

If I'm not mistaken, if an Android-based device is turned off (or powers down due to completely exhausted battery) and then is charged up again, it will automatically boot only to battery charging ...
0
votes
0answers
18 views

Galaxy Tab Coma Bricked?

I have a Samsung Galaxy Tab Pro 10.1. It turned off and did not turn back on, how can I recover it? Details: It is not jailbroken. It was running the Samsung firmware that comes with the automatic ...
0
votes
0answers
22 views

Samsung Galaxy GT-I9070 charging indicator persistent

This phone of a friend of mine has a weird problem. Whenever the phone is disconnected from the charger, the battery indicator continues to show "charging". This goes away only after a phone restart. ...
0
votes
4answers
6k views

Samsung Galaxy S2 shuts off when plugged in: screen goes black then a grey empty battery appears

Samsung Galaxy S2 shuts off when plugged in. The screen goes black then a grey empty battery appears for a second then disappears. This "flashes" several times in about 4-5 second intervals. I can not ...
1
vote
0answers
45 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 ...
3
votes
4answers
8k views

Galaxy S3 is stuck at Samsung logo splash screen and won’t charge

A little bit of help would be highly appreciated. A few days ago, my Samsung Galaxy S3 started freezing randomly. I had to remove the battery in order to restart it. Yesterday the problem got worse: ...
1
vote
0answers
24 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 ...
1
vote
2answers
2k views

iRola DX752 does not charge after a while

The iRola DX752 purchased for Christmas does not charge. It worked for a while, but then does not work when plugged to an outlet either. Is this a known hardware failure? If it isn't, are there any ...
1
vote
0answers
27 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 ...
2
votes
3answers
16k views

What is the maximum charging current supported by Samsung Galaxy S3?

As the title says: What is the maximum charging current supported by Samsung Galaxy S3 (GT-I9300)?
2
votes
1answer
3k views

I can't connect my Samsung Galaxy SL GT-I9003 via USB

I can't connect my Samsung Galaxy SL GT-I9003 via USB. When I try to connect via usb mode the phone doesn't respond, it only charges. I tried restarting and restoring my device, but it still won't ...
0
votes
0answers
27 views

Phone won't charge

My 3 week old Galaxy S6 won't charge. When I plug it in it will show the charging sign/logo but it won't charge. Each time I turn it on it says it's only on 0% and even when connected and a "being ...
0
votes
1answer
48 views

Can I charge Galaxy Tab S2 while using MHL adapter?

I'm looking at an MHL adapter provided by Samsung. I have a Galaxy Tab S2 and wonder if this adapter would allow the device to charge up at the same time as mirroring the screen to my TV. I already ...
3
votes
1answer
273 views

How to determine maximum capacity of a battery in mAh? - received fake battery

Is it an increasable value ? I think its not. I just bought an extended 3890 mAh battery for my Galaxy S4 GT I9500. The original Samsung battery is 2600 mAh. This is my second purchase from a ...
3
votes
1answer
163 views

Where are the battery capacity files located?

Background My current device Huawei Honor 6 comes with a 3100 mAh battery. I was therefore surprised to see 3C Toolbox Pro report the capacity as 4000 mAh. I mailed the developer of the app and his ...
0
votes
1answer
76 views

Galaxy S6 won't charge after drain to 0-1%, cannot boot

After letting my Galaxy S6 drain more than usual, I connected it to the fast charger a bit after it hit 1%, and left it for the night while still powered on. Next morning the phone was off. Powering ...
0
votes
1answer
40 views

Interchanging battery with a higher capacity battery

My Redmi 1s has a battery capacity 2050mAh (BM41). And the upgrade of the phone is Redmi 2 with capacity 2200mAh(BM44). Can I use this battery if it fits in my device? Will it creates any software ...
1
vote
1answer
37 views

Charging during filetransfer

I have recently upgraded my phone from Android 4.3 to 6.0 in my Sony Xperia M. I'm pretty confused by the new behavior. Whenever I plug the phone to the USB cable, it is detected in the computer as ...
1
vote
0answers
54 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 ...
-2
votes
1answer
52 views

Does it hurt battery life to not fully charge and disconnect?

Dears, I think the question is quite clear from the title: if I charge my device and let it charge not fully but say, 60% and disconnect, does that hurt battery life? If so, what are the ranges you ...
1
vote
2answers
68 views

What to do after replacing the phone's battery?

I have a Nexus 5 (1.5yo; I know, it's old but still worthy!) and the boy was heavily suffering from short battery discharges. I'm a phone heavy user so I figured out I had depleted the battery's life, ...
0
votes
2answers
30 views

My tablet is not turning on

I have a tablet not two years old, a few days ago it was left in a hot truck for about two days. Now it won't go past "fast boot menu". I have tried everything, I even tried charging it and the ...
-2
votes
1answer
62 views

Lost Android's OS

I bought a Moto G (1st gen). It was upgrading and had around 1% battery and was charging, but simultaneously I unplugged the charger and the mobile turned off and now it's not turning on. It's not ...
3
votes
2answers
61 views

How can I tell if I need to replace my battery?

I have a refurbished Galaxy S3. Sometimes it charges to 100% while powered off, but reports 51% as soon as I start it up. Lately, it goes down to 50% or lower even right after charging. I haven't ...
0
votes
0answers
251 views

HP Slate 7 will not charge

My sister got a quite new HP Slate 7 running Android 4.1.2, but the tablet won't charge. When I charge it while it's running, the charging is flickering between charging and not charging. If I charge ...
2
votes
3answers
566 views

Does using USB 2.0 or 3.0 cables affect charging speed with same adapter?

I have Samsung Galaxy Note 3. If I charge my phone using the same adapter but with different cables, does that affect the charging speed with the USB 2.0 cable or 3.0 cable, supposing the 2.0 cable is ...
0
votes
1answer
67 views

Car charging at below 500mA

I've plugged the AC charger for my Samsung Galaxy S4 into an inverter connected to my car's DC outlet. The inverter is able to power my laptop AC adapter without issues. The S4 charges, but not at ...
0
votes
1answer
82 views

Charge older Samsung phone (with Quick Charge 1.0 technology) at full rate

I own a Samsung Galaxy S Relay, which is an Android phone a few years old. It's sort of similar to the Samsung Galaxy S III, but it also includes a slide-out physical keyboard. Like the Galaxy S III, ...
0
votes
4answers
397 views

Turning off “charging” sound effect on Xperia Z3 Compact

Is it possible to turn off the sound when the charger is connected? I have got the answer from Sony Support that this is a "feature".