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

learn more… | top users | synonyms (2)

0
votes
0answers
6 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
13 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
17 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
votes
0answers
9 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 ...
0
votes
0answers
21 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
votes
0answers
29 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 ...
0
votes
1answer
16 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
2answers
35 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
1answer
76 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 ...
0
votes
0answers
46 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
0answers
40 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 ...
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 ...
1
vote
0answers
39 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
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 ...
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 ...
3
votes
2answers
54 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
30 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
46 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. ...
3
votes
0answers
35 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 ...
1
vote
0answers
21 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 ...
0
votes
0answers
118 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 ...
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 ...
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
2answers
27 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
16 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 ...
3
votes
2answers
75 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
32 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
19 views

Car charging at >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
0answers
31 views

HCL ME TAB V1-i used 5.5v charger for 5V, its not switching on!

I used a 5.5 V,0.66A charger for my HCL ME V1 Tab which had an in box charger of 5V, 2A. After that it is not switching on or charging. The On light is still glowing. Did i kill my tab? Someone ...
1
vote
0answers
26 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 ...
0
votes
1answer
60 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, ...
0
votes
4answers
54 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 ...
0
votes
1answer
156 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
101 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 ...
0
votes
0answers
29 views

Why my phone malfunctions (like it unlocks itself , it just keeps responding to nothing) when i use a cheap charger?

I have been given a mobile phone charger and was asked to find out its defects and fix them. And what i found out is: When i connect it with any android touch phone it charges that phone(not a ...
0
votes
0answers
20 views

How to know which Dock Connector my Galaxy S2 has?

There are several revisions for Dock Connects/Charging Ports per model. I would like to know if there is a way to find which revision is installed on my phone without opening the device. If that's ...
0
votes
1answer
40 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
0answers
597 views

Verizon Note 4 battery drain after Lollipop Update

I just had my Verizon Samsung Galaxy Note 4 upgraded to Lollipop 5.0.1 two days ago. I have not been able to get the battery fully charged since then. It charges extremely slowly. When charging ...
1
vote
0answers
58 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
0answers
44 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 ...
0
votes
1answer
47 views

Phone wont boot

Yesterday I got an Acer Liquid Z410. After installing some apps and checking out the phone, I charged my phone fully. Then I was trying to acces my phone again but it was off. So I tried to access it ...
1
vote
1answer
36 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
0answers
80 views

Booting when charging - how to do it, how to watch what programs run

We are trying to set up an Android 4.4.2 device to boot once it is plugged in to a power source. The device is a POSH Titan HD E500. We've come across different ways that each manufacturer handles ...
0
votes
0answers
96 views

Samsung Galaxy Star Shows Charging paused Due to Battery temperature too low

My phone stops charging because the battery temperature is too low, somebody told me to change the battery. How can I solve this problem?
1
vote
0answers
157 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
1answer
113 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) ...
2
votes
1answer
81 views

Computing when on charger - long term effects on battery life

Donating your computational power for scientific projects is, in some cases, available for Android. One of them, the World Community Grid, states that "Using the application will not significantly ...
0
votes
0answers
45 views

Why won't my tablet charge fully after continuous use of a different charger?

My Android tablet had a charger with output 5.0V 2000mA. Of course, it got damaged and I found another charger that suits the size. Its output was 5.0V 880mA. I used it for months. I noticed my ...
0
votes
0answers
24 views

decresing in power when charging

I have an HTC vivid 4g and anytime I insert its charger the phone will start decreasing instead of adding .Like say when the battery's 60% it will show a pop up that your phone is using morepower than ...
0
votes
0answers
24 views

Note 3 not charging after rebooting by itself

I was testing an app with the USB connected to PC and suddenly the phone rebooted itself and now it couldn't connect to the PC and cannot be charged even with the plug.