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

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0
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0answers
10 views

Is there a way to check amount of electrical power stored to battery during charging?

For example my old PC USB 2.0 port provides 500mA at 5V, Samsung ETAQU10EBE charger supports 700mA at 5V, Samsung EP-TA10EWE charger supports 2A of current and some devices support for example quick ...
0
votes
0answers
10 views

Samsung Galaxy Note 2 doesn't charge when connected to charger but shows USB connector notification

I'm using Samsung Galaxy Note 2. I rooted this phone and flashed a custom ROM. After three months I started facing an issue that whenever I connect my charger the device does not charge, and shows ...
0
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2answers
2k views

Asus ME302C tablet charging forever and doesn't start

My Asus ME302C tablet was giving charging problem lately and is completely dead now and not starting up. Around 5 days back, its charging got stuck at 55% and it never went ahead even after charging ...
1
vote
1answer
16 views

Why is the screen acting weird while charging?

I noticed that when I charge my phone with a cheap charger that I bought from Ebay, the screen acts strange: It suddenly can't position my taps correctly and It detects swipes as taps. After a ...
0
votes
0answers
10 views

Hp slate 7 will not charge

My sister, bless her soul, is having her birthday tomorrow, and the tablet she has will not charge. Is there any way to sort this out? Thanks in advance from me and my sister! Tablet in question - ...
0
votes
4answers
5k 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 ...
6
votes
6answers
58k views

How much power does a Galaxy Tab 10.1 charger need to supply?

The Samsung Galaxy Tab 10.1 comes with a special charger which (I'm assuming) provides a higher current output than the USB standard. Without it, the device can actually die, even if the USB cord is ...
0
votes
0answers
10 views

Nexus 4 won't charge or boot (red light)

I have been reading a bunch of articles on ways to fix this "red light" issue. My issue seems a bit different from most articles as the red light does not show up when I plug in my charger. Articles I ...
0
votes
1answer
14 views

Weird battery issues

There's this phone I got, it belonged to my girlfriend's mom, but she just gave it to me since it stopped working and I wanted it. The problem is it won't charge. I'll plug it in and the screen will ...
0
votes
1answer
18 views

Exclude possibility of damage of Android device while chargin with another charger [duplicate]

Is it true, that if I have one Android tablet with mini-usb from Philips, one Android device with mini-usb from Sony, then if I connect Philips charger to Sony charger, then it is possibility for a ...
0
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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
12 views

Battery connector pins showing strange voltages for a phone and a tablet

I have a Samsung GT-I9003 phone and a Samsung GT-P3100 tablet. Phone is rated 3.7V 1A, tablet is rated 5V 2A. Phone has an Input:100-240V 50-60Hz 150mA Output:5.0V 550mA charger, tablet has an ...
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: ...
0
votes
0answers
1k views

Battery draining faster after recharging on Galaxy S4 Mini

I'm struggling with my Samsung Galaxy S4 Mini. Actually the battery is very good and since I don't use my phone a lot, it lasts pretty much 2 days when I let it die and full recharge it. The issue ...
0
votes
0answers
24 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 ...
0
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0answers
33 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 ...
2
votes
2answers
43 views

How can I tell how many milliamps my phone is drawing from the attached charger? Preferably without having to use a multimeter.​

Android.SE user "intuited" observes: I've noticed that my S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide ...
2
votes
0answers
33 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
1answer
1k views

HTC Desire C screen on while charging

My new HTC Desire C screen does not turn off while charging. It is running ICS (Android version 4.0.3, HTC Sense version 4.0). I have went into Settings > Developer Tools > Stay Awake (OFF). It ...
0
votes
1answer
2k 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
2k 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 ...
3
votes
2answers
79 views

My phone doesn't always charge at full speed, even with certain 2-amp chargers. What are the necessary conditions for it to charge at full speed?

I've noticed that my S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide up to 2.0 amp current only provide ...
0
votes
1answer
18 views

How can I charge my aging Samsung phone (with Quick Charge 1.0 technology) at full speed?

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 ...
2
votes
1answer
84 views

Long term effects of charging Nexus 5 with the OnePlus One charger (fast charging)

A roommate has bought a OnePlus One (OPO) phone. When I tried charging my Nexus 5 with the charger of OPO I found that it charged my Nexus device amazingly fast. I'm talking 3-4 times faster charging ...
1
vote
0answers
43 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 ...
0
votes
0answers
54 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: ...
1
vote
2answers
59 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
0answers
217 views

Asus ME302C tablet charging problem

This is in continuation to my earlier question (Asus ME302C tablet charging forever and doesn't start). Somehow my account is messed up so posting new question. My ASUS ME302C tablet stopped ...
4
votes
2answers
4k views

Increasing my phone's charging rate while tethered

I have a Samsung Galaxy S3 and a laptop with 2 USB 3 ports. When tethered to my laptop (to provide Internet access via GSM/HSPA data), the phone charges very slowly, especially if I am using it for ...
0
votes
1answer
73 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
23 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
1answer
9k 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 ...
1
vote
0answers
41 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
2answers
1k 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 ...
0
votes
0answers
17 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 ...
3
votes
2answers
56 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
31 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: ...
1
vote
0answers
52 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. ...
0
votes
2answers
1k views

DX752 purchased for Christmas will not charge

The iRola DX752 purchased for Christmas does not charge. It worked for a while. Does not work when plugged to an outlet either.
0
votes
3answers
4k views

Samsung S duos - showing charging symbol but percentage not increasing

I have samsung s duos. Suddently one day, when i was charging .. though the indicator shows charging, the battery level keep going down. I restarted mobile... still same issue. Then i tried with ...
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
6k 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 ...
3
votes
0answers
39 views

Does leaving a lithium-ion battery uncharged for 3-6 months at a time hurt battery life?

Does leaving a lithium-ion battery uncharged for 3-6 months at a time hurt battery life? I have seen plenty of questions and articles about the dangers of leaving your cellphone in the charger, but I ...
0
votes
1answer
29 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 ...
2
votes
3answers
2k 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 ...
210
votes
6answers
53k 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
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 ...
1
vote
0answers
22 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 ...
4
votes
2answers
5k views

Samsung galaxy 3 says charging paused. Battery temperature too low

I plugged in my S3 when it said 1% battery life and the red charging indicator light never came on, when i checked it a few minutes later it was at 0% and powered off. Immediately after that I tried ...
0
votes
0answers
126 views

Sony Xperia Z3 flickering between charging and discharging

When I plug my phone in it often has problems charging. Both the green led light and the charging icon will flicker on and off every half a second. This seems to happen at different times during ...