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

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1
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1answer
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
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 ...
2
votes
0answers
24 views

Samsung S4 won't charge from socket

I am looking for help before sending my phone to maintenance service. All of sudden my phone stopped charging from a socket. The phone is charging (bolt showing, charging screen showing etc) but ...
0
votes
1answer
30 views

Charging my device from power bank with two-way USB-C cable?

So I have Nexus 6p with USB-C port and a Xiaomi Pro 10000 power bank. Charging my device with bundled USB A -> microUSB -> USB-C Cable works. But when I connect them with my two-way USB-C cable ...
2
votes
1answer
33 views

Charging speeds between USB C/USB C and USB A/USB C

I just bought the Anker power core 20100+ and it came with 2 cables.One Usb C to Usb C cable, and One Usb C to USB A. I am just wondering which one would give me better charge speeds for my Nexus 5x ...
0
votes
0answers
57 views

Make my phone stop charging at certain percentage?

Background I am using my rooted phone like a server; it is plugged in on charger 24*7. Neither charger nor battery becomes hot after battery reaches 100%, unless I use phone which confirms battery is ...
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 ...
-1
votes
2answers
300 views

I have moto g 1st gen charging very slow

I have Moto G 1st Gen now the problem is charging is very slow it takes about 3 2 and half hours to full charge what to do now? should i buy new battery..??
0
votes
1answer
87 views

Nexus 5X no “Charging rapidly” on original (stock) charger

After 7 months LG Nexus 5X now doesn't show "Charging rapidly" but only "Charging". Ampere app shows 1700 - 2100 mA max. Overall charging time now 50% longer than initially was. In accordance to ...
3
votes
0answers
129 views

Screen Distortion After Using Certain Chargers

My Nexus 5 has burned in a few times over the past year, which is very unusual since I never leave it on when not in use (30 second dim time), but today I finally noticed the trend. When I charge the ...
0
votes
1answer
18 views

OnePlus One stopped charging, TWRP failed to decrypt data, but managed to boot back to Android

Sometime at night during charging my OnePlus One turned off and I wasn't able to turn the phone back on by pressing the power button. I wasn't able to get the phone to recharge. I managed to boot to ...
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 ...
21
votes
5answers
27k views

How to make screen stay turned off when plugging charger?

When I plug charger into my phone with screen off, it always turns the screen back on. This is slightly annoying at night. Is it possible to configure android so that the screen stays off and charging ...
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 ...
0
votes
0answers
16 views

Phone won't charge at all!

My ZTE blade buzz phone won't charge at all. When connected to a wall socket(using own charger) , the charging indicator shows up, but percentage stays at 0%. I tried charging it from PC using it's ...
2
votes
1answer
114 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 ...
0
votes
0answers
2k views

My Galaxy GRAND 2 won't charge?

I think the problem started when I plugged an unoriginal USB cable to my phone for charging. After that my phone started to go in dock mode without anything plugged in it. After 2 days this problem ...
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 ...
30
votes
9answers
81k 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.
0
votes
1answer
25 views

Android Tablet Won't Stay Off

I have a Cube U30GT Mini tablet with Android 4.1.1, kernel 3.0.8, Rockchip rk3066. This tablet won't stay off unless the battery is dead. Doing a normal "Power Off" just reboots the tablet. If the ...
3
votes
4answers
6k 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 ...
8
votes
4answers
2k views

Can I recharge my Android smartphone at any USB port?

My girlfirend has just installed a new CD Player on her car that comes with a USB port to connect external devices(Flash card, external hard drive, etc). My question is based due the fact that I told ...
0
votes
0answers
21 views

Samsung Galaxy Note II not charging

I have a Samsung Galaxy Note II that does not charge. No charging light or any sign of life from the phone. I have bought a new battery and the charging port/flex cable assembly and have installed ...
0
votes
0answers
14 views

why isnt my BLU android phone coming on?

my phone will not come on. when I press the power button the camera flash will blink once and it also does this when I plug in the charger. what could be wrong?
0
votes
0answers
29 views

Phone recognizes/detects USB cable, but doesn't charge

I have a Samsung Galaxy S4 i9505 and the USB port stopped working. It wouldn't detect any cable anymore. I then got a spare USB board part from eBay and replaced the original with it, now it does ...
1
vote
1answer
44 views

Samsung Note 4 charging cable (ECB-DU4AWE vs. ECB-DU4EWE)

Unfortunately, my charging cable for my Samsung note 4 is broken, so I have to buy a new one. I have seen two different charging cables: ECB-DU4AWE which is 1m long ECB-DU4EWE which is 1.5m long ...
0
votes
0answers
33 views

Faster charge through higher amp charger?

I'm looking for a solution to charge my Android smarpthone as fast as possible when travelling, eg. when sleeping at a camp site where I don't want to have to sit there for two hours just to make sure ...
2
votes
2answers
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 ...
2
votes
4answers
17k 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)?
0
votes
1answer
44 views

How can I keep screen on ONLY while music is playing?

I drive typically 300+miles a day and my phone works both as my GPS and my media player through my work trucks AUX port. I drive to a lot of the same places so after awhile the GPS isn't kept on top ...
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 ...
1
vote
1answer
15k 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
29 views

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

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?
0
votes
1answer
398 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
22 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
84 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 ...
2
votes
0answers
114 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
46 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 ...
3
votes
2answers
441 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
46 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 ...
0
votes
1answer
119 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
104 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
31 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
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
20 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
27 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. ...
1
vote
0answers
62 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
34 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 ...