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

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2
votes
1answer
279 views

How do I keep CPU off when charging?

When I connect the USB power source, it makes CPU to stay on (even though "Development->Stay awake" is off). When charging from a weak power source if makes battery to drain even faster than is case ...
2
votes
3answers
12k views

Will playing a game in a Android phone while charging damage or cause harm to the battery or the phone?

Will the following situation damage or cause any harm to the battery or/and the phone: The phone is being charging (regardless it is using the electrical outlet or via USB) and .. You are playing a ...
2
votes
0answers
773 views

How to properly charge a Lithium Polymer battery [closed]

My battery is Lithium Polymer. I want to ask the following: Is a Li-Po battery essentially the same as a Li-Ion battery? Can I use my phone while it's charging? I've read that you have to calibrate ...
2
votes
1answer
3k views

Is using chargers of phone not meant for it harmful to the battery? [duplicate]

Possible Duplicate: Is my phone liable to explode if I charge it with a charger that came with a different phone? Are Android chargers universal in terms of power (Voltage, amperage)? As ...
2
votes
2answers
2k views

How to keep phone powered down while charging with ClockworkMod Touch Recovery?

In the course of setting up CyanogenMod 7.2 on my T-Mobile G2 (also known as the HTC Desire Z), I installed ClockworkMod Touch Recovery. My usual practice before that was to power off my phone and ...
2
votes
0answers
37 views

Can over charging damage battery? [duplicate]

Possible Duplicate: Does constant charging harm my Android cellphone? Indeed, this is a duplicate of: Does constant charging harm my Android cellphone? Just for the record -- let's say I ...
2
votes
0answers
169 views

Prevent complete charging?

I'm looking for a way to prevent my phone from completely charging every time it is connected to my computer. I want to reduce the battery's capacity loss, as it is non-replaceable, and it seems to me ...
2
votes
0answers
421 views

Samsung Galaxy S stuck in boot loop when 100% charged

Before we start I should mention that I have not messed with the firmware in any way. But it seems that whenever I put it on charge and it reaches 100% capacity I turn it on and it gets stuck in a ...
2
votes
0answers
767 views

Is it OK to leave my Samsung Galaxy Ace charging all the time? [duplicate]

Possible Duplicate: Does constant charging harm my cellphone? Hello! I have the Samsung Galaxy Ace but the battery life is a bit of a problem for me. Can I leave it plugged in ie. charging ...
2
votes
5answers
7k views

Slow Charging Battery!

I have a Samsung galaxyS3 the battery has been charging really slow. It can take up yo 10 hours to charge 100%. I have tried every thing I can think of. I've tried a new charger, new battery, shut ...
1
vote
1answer
513 views

Samsung Galaxy Nexus Charger - USB?

Does the Samsung Galaxy Nexus charger use a USB charger? If so, what kind?
1
vote
1answer
110 views

Is it safe charging a Galaxy Nexus through a USB 2A port? [duplicate]

This is a newbie question. While travelling, I need to recharge my Galaxy Nexus and my digital camera, both of which are meant to be charged through a micro-USB port, ie. 0,5A. To reduce charging ...
1
vote
3answers
671 views

What happens when using a cellphone when charging?

What happens when a phone is being used with the charger connected? Will it take power from charger and save the battery usage? OR At one end, the charger keeps charging the battery and at the ...
1
vote
2answers
264 views

How can I pick the correct replacement usb charger for my phone?

My phone has a wall charger with outputs 5vdc and 850mA, which just broke (I saved the USB-microB cable which I've been using to charge from laptops). Unfortunately, OEM chargers of that particular ...
1
vote
1answer
81 views

email me when a charger is connected?

I want to be able to leave a device with charger plugged in the socket, and have it email me (or call/text me on my another device) as soon as it gets power (ie when the charger is technically or ...
1
vote
1answer
377 views

Why do Seidio's battery charging instructions say to leave it charging after it's full?

I have an HTC Droid Incredible. I bought the "Seidio Innocell 1750 mAh Battery for HTC Droid Eris/Droid Incredible", and the instructions that come with it say... In order to obtain the full ...
1
vote
1answer
50 views

Is it possible for a device to consume more power than it is wall-charging?

I have a 2012 Nexus 7 running KitKat. I have a hunch that it is not charging properly. Specifically, if the system is on and the device is plugged into the USB wall-charger, the battery indicator says ...
1
vote
1answer
518 views

Charging New Phone

I bought a new phone today. Motorola How long am I supposed to put my new phone for charging (Li ion battery)??? Should I keep it plugged even after it shows 100%?? Please help me clearing this ...
1
vote
3answers
250 views

Battery charging issue in Samsung Galaxy S3

I have a Samsung Galaxy S3 and it is charging very very slowly when plugged into my PC. I deleted all my images and some videos and some other stuff and the charging seemed to speed up. Is battery ...
1
vote
2answers
3k views

Samsung Galaxy Nexus doesn't detect charger

This happened yesterday night first. My phone's battery was very slow, so I decided to charge it. It didn't start charging after plugging in the charger. Frustrated, I kept trying with different USB ...
1
vote
2answers
469 views

How to prevent Nexus 7 of charging the battery every time when connected to a USB?

Hello fellow Android enthusasts, I recently bought a Nexus7 that I want to use for development. The thing is, every time I connect it to my USB, in order to test some apps on it, it starts charging. ...
1
vote
2answers
2k views

Asus Transformer slow charge

My ASUS Transformer TF101 charges extremely slowly using the original power adaptor. I'm trying to figure out the cause. Here are all my knowns: The power block (wall to USB adaptor) charges my ...
1
vote
1answer
238 views

Is it ok to charge my Nexus S with an iPhone power adaptor? [duplicate]

Possible Duplicate: Is my phone liable to explode if I charge it with a charger that came with a different phone? I have an iPhone charger (produces 5V and 1A output). Is it okay to use ...
1
vote
1answer
760 views

Where in the Nexus 4 is the wire wireless charging coil?

I've just received a "smartfox qi" wireless charger as a gift, but it won't charge my Nexus 4 despite its indicator light turning on, and the Nexus 4 says "charging wireless". Still, it doesn't ...
1
vote
2answers
15k views

Can I charge my Samsung tablet without the plug in charger? Are there any other ways?

I have a Samsung Galaxy Tablet but my charger is a little broken. It only charges if I play around with it but that frustrates me. Is there any other way I can charge my tablet without wasting money? ...
1
vote
1answer
2k views

I cannot charge my tablet

I only have a USB cable to charge my tablet and I plugged it into my laptop to charge and a little red X shows up on the battery thing. How can I charge my tablet?
1
vote
1answer
367 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 ...
1
vote
1answer
496 views

Do batteries on new devices start discharging even when plugged in to the adapter?

On my old phone, HTC Hero, when it was connected to the charging adapter and the battery level reached 100%, it never went down when plugged in, like the battery wasn't used at all and the phone was ...
1
vote
1answer
1k views

why does the xoom dock connect the USB port?

I feel like I must be missing something. I got the Xoom dock from Verizon along with my 4G upgrade (The turn around on the whole thing was 1.5 days, and the 4G is amazingly fast, so, definitely don't ...
1
vote
2answers
467 views

Samsung S3Mini - Charge/Discharge problems

I've got a strange problem on my S3Mini; two weeks ago has started to behave strangely, emitting the sound of charge/discharge while not connected to the AC adapter and setting the battery icon in the ...
1
vote
3answers
2k 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 ...
1
vote
2answers
1k views

My Tab 3 will only charge from the wall adapter from Samsung [duplicate]

I'm going on holiday soon and we planned to take a USB hub to charge all of our devices rather than take several wall adapters, however when I checked that my 7" Samsung Galaxy Tab 3 would charge I ...
1
vote
1answer
820 views

Nexus 7: micro usb port broken

I have a 2012 nexus 7, its a beast of a device. But unfortunately the usb port of the device is broken. Is there any way I can charge the batteries my beloved nexus? I have opened it up, and removed ...
1
vote
1answer
5k views

First battery charge on new tablet?

I got yesterday a Galaxy Tab 3 and I want to be sure what's the best way for the first battery charge. On the shop, they told just turn it on, wait for the battery to finish and then charge it to 100% ...
1
vote
1answer
339 views

Is there any battery-less Android-based device

I'be been working on some Chinese (bit crappy) device, with own system, that had one wonderful (at least for me) feature. When constantly powered-up (plugged to power adapter) it could work without ...
1
vote
1answer
822 views

Power problems with Droid Incredible 2

My daughter's Droid Incredible 2 is mostly dead. Symptoms: If we can manage to turn it on, it only stays on for a minute or so after it completes all of its start-up tasks. Then turns off and acts ...
1
vote
4answers
270 views

Phone wakes when unplugged, how to keep it asleep?

I'm trying to charge my phone with an inconsistent power source. Unfortunately, the phone wakes up whenever power stops... Sometimes (often) using more power than is charged. Is there a way to stop ...
1
vote
1answer
4k views

Is it better to detach a charger when my Android device gets fully charged? [duplicate]

When using my Android device at my desk, is it better to (from a battery health point of view) detach a charger as soon as the device gets fully charged, or is it ok to keep it on the charger? I like ...
1
vote
1answer
52 views

Closely monitoring charging (with bike charger)

I bought a bike charger for my Sony Ericsson Xperia Mini Pro sk17i . When I cycle, the phone says that it is being charged, but apparently it is not because the battery percentage doesn't increase. ...
1
vote
1answer
858 views

Battery getting charged with ultra speed and continuous at 1%charge for more than 9 hrs

My neo v battery getting charged with in ten min from 0 to 100 percentage( Exponential growth graph ) with ultra speed and getting discharged to 1%( it also give alert showing last 1% left, keep ...
1
vote
1answer
849 views

HTC One X was dropped and now it doesn't charge or turn on

Last night, my HTC One X was dropped. Suddenly, it became so hot at the back and on the screen. After an hour or so, the phone started to cool down. But, it doesn't charge or turn on; even the ...
1
vote
3answers
1k views

Preventing charging while USB debugging - One X

I am often using my device to develop, so I'm a little bit worried that the constant charging might fry the battery. Is there anyway to use USB debugging while not charging the phone?
1
vote
1answer
583 views

Kindle Fire Power Adapter Specs

I have misplaced the power adapter for my v1 Kindle Fire. USB charging works but is dog slow. What are the specs of its adapter, including any branding, as they're never labeled properly. Also, a ...
1
vote
1answer
907 views

Android Estimate Battery Capacity

I have a phone with 3.7v, 1500 mAH genuine battery. This being said, the maximum power that this battery can hold can be calculated easily: 3.7 v *1500 mAH = 5550 mV. I'm trying to see what battery ...
1
vote
1answer
3k views

can sony xperia u(st25i) 's otg be connected to external power?

Can Sony Xperia U be connected to a Y-Cable to provide extra power for OTG to avoid phone battery consumption? I'm asking this because the phone is already giving power ,will that make a short ...
1
vote
1answer
3k views

Reset battery status after changing battery?

If I plug in the charger of my Galaxy Nexus, I'm able to replace the battery without switching the phone off. However, the battery status does not adjust to the new battery. For example, if I replace ...
1
vote
1answer
229 views

Does the Asus Transformer Prime GPS extension kit have a USB pass thru to charge the tablet

As noted Asus is offering a GPS Extension Kit for the Asus Tranformer Prime TF201. Does the module has a pass thru USB multipin connector to allow charging from the USB cable or does one have to ...
1
vote
1answer
1k views

Samsung Infuse is getting really hot when using a Samsung wall charger that came with Samsung Strive. Is this bad?

The output specifications for the Samsung Strive charger match those of the Samsung Infuse charger, so I don't see why the phone is heating up so much. Also, when charging the Samsung Infuse with ...
1
vote
1answer
546 views

Gingerbread — how to wake up to 100% battery?

Apparently gingerbread stops charging when the battery gets to 100% . I guess this puts less wear on the battery. But it is kind of frustrating to wake up with a battery of only 70 or 80% given the ...
1
vote
1answer
969 views

LG-Ally won't charge

My LG Ally is out of battery and won't charge at all. I know the outlet is working. It's charged in the past just fine.. I gave it like 30 minutes plugged in, and power wouldn't do anything. No ...