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

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6
votes
2answers
1k views

Can a charger not 100% compliant to the USB specification damage my Andoid phone?

I've bought a world adapter which can charge USB devices as well. According to the packing the usb will be powered with more than the 500mA as per USB specification - 1000mA. Will charging my HTC ...
2
votes
3answers
388 views

Using Moto Droid Car Charger with Samsung Galaxy Nexus

I just upgraded my phone from the original Motorola Droid to the Galaxy Nexus. Both phones use the same micro USB port. Is there any reason I cannot use my Droid's car charger with the Nexus?
3
votes
0answers
292 views

My phone crashes while charging

My phone sometimes shuts down without a reason or warning. It often happens while it's charging. I'm not positive charging is an absolute requirement for this to happen, but I only remember it ...
7
votes
3answers
6k views

Connect JUST as charging

With ICS my phone now ALWAYS mounts my SD card as an external drive when I plug it into a computer. Sometimes I just want power, especially if I am trying to play a game that's on my SD card. Under ...
-1
votes
2answers
4k views

Galaxy S2 not charging

Galaxy S2 not charging tried usb and wall charger, initially I had this problem I removed and put the battery back it and it then began to charge however on next charge it stopped in mid charge ( ...
6
votes
1answer
188 views

How can I see what kind of car charger I have?

I noticed that when using navigation plus GPS my phone (Galaxy S2) still discharges a bit even so its connected to a car charger. While googeling, I found out that regular USB chargers only charge ...
2
votes
2answers
918 views

Will using my phone whilst charging make it charge slower?

Just the question in the title. If I have my phone plugged in and charging, will it take any longer to get up to 100% charge if I'm using it or will this make no difference? (I'm using a galaxy ...
4
votes
1answer
339 views

Why doesn't my device ever show 100% charged?

I have a Samsung Google Nexus S I9020A which showed fully charged @ 92%. 100% charging doesn't seem possible. What is the reason?
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 ...
6
votes
1answer
8k views

Using an OTG cable while charging

Most Android devices have a single port for both connecting to the computer (USB) and charging. I have to use this OTG small cable to transfer data, but also to use a real keyboard. However, when I ...
3
votes
0answers
206 views

Can a cheap cable prevent AC charging from working?

A while ago, I had my phone repaired (the USB socket was worn out) and had to replace the USB cable as well. Since then I haven't been able to quickly charge my phone in AC mode. Previously it worked ...
1
vote
1answer
514 views

Samsung Galaxy Nexus Charger - USB?

Does the Samsung Galaxy Nexus charger use a USB charger? If so, what kind?
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?
12
votes
2answers
9k views

What is the difference between USB charging and AC charging?

I've recently got hold on an HTC One X having moved from an HTC Desire. I noticed that my One X charges very slowly when connected to the USB socket on my PC, whereas the Desire was comparatively ...
7
votes
3answers
467 views

Is it possible to change the background automatically when charging battery?

This is a feature of older nokias, I would like to have it on android! On a related note, it would be nice to have a different background when silenced or on airplane mode.
0
votes
0answers
2k views

Mobile detecting Laptop as “charger” instead of “USB Connected”?

From quite some months, I have been using a rooted Samsung Galaxy Y mobile phone. The battery life is not much and so, everyday whenever I am doing any work on my laptop, I just connect my mobile, so ...
6
votes
1answer
531 views

Will charging a smartphone while it is in a case lead to damage? [closed]

Will it harm my Razr to charge it while in an Otterbox case? I heard that would cause excessive heat which would damage the battery or shorten lifespan. True?
7
votes
2answers
6k views

Can I use my Nexus7 charger to charge my Android phone?

The Nexus charger has an OP Amp rating of 2A. The charger that comes with the phone has an OP Amp rating of 1A. Both have the same voltage. IP voltage is 100-250 V for both. I googled and came across ...
1
vote
1answer
910 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 ...
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
1answer
213 views

Phone connected to charger full time - never sleepmode - any danger?

Yeah, might sound strange, but I managed do install Debian Linux on my Android phone. Because the phone needs very little power, it is, for me, the perfect server. I plan to disable sleepmode and to ...
8
votes
1answer
2k views

How do I just charge (i.e. not mount for data transfer) a Galaxy Nexus when connected via USB to a PC?

I like to be able to charge my phone from any PC I happen to be using. With my previous HTC Android, I could default to "charge-only" and only switch it to "mount as disc drive" when I wished to, on ...
8
votes
2answers
558 views

Other manufacturer's USB data cable for charging?

Is there any harm in using a USB data cable of any other phone (say LG) for charging up a Nexus S? "Any harm" here means will it adversely effect my battery life or the Nexus S device in any way?
1
vote
0answers
77 views

Karbon A9 is not charging [closed]

I purchased Karbon A9, 3 months back. When making a call the screen turns off and now it is not getting charged. I don't know what to do. Can any one please suggest a solution? I purchased it in ...
6
votes
3answers
2k views

Although I was told to charge my Android device before first use, it was already charged. Have I been given a phone rejected by someone else?

I have just received my 'new' HTC one V. The instructions clearly state to charge the phone up before first use, yet the the phone switched on and showed full charge straight away, before I had chance ...
0
votes
1answer
3k views

Can I charge Samsung Galaxy Tab 10.1 from USB? [duplicate]

Possible Duplicate: Galaxy Tab is not being charged through USB Cable I can't charge Samsung Galaxy Tab 10.1 from my USB. Is this a malfunction or intended behaviour? I know that the mains ...
5
votes
1answer
7k views

What happens when I connect a 2 amp charger instead of the 0.7 amp charger provided? [duplicate]

Possible Duplicate: Is my phone liable to explode if I charge it with a charger that came with a different phone? What's the safe limit on charger output for a Galaxy Nexus I have a ...
2
votes
2answers
3k views

How can I make my Lenovo ThinkPad tablet charge up faster?

It takes a very long time (half a day) to charge up with a USB 2.0 charger plugged in the wall outlet.
0
votes
1answer
1k views

Why does my screen still turn off while charging? [duplicate]

Possible Duplicate: Where is “Stay Awake” option in Ice Cream Sandwich on the Galaxy S3? I used to have an HTC Evo Shift. If I plugged it into a power cord, the screen would ...
3
votes
0answers
156 views

Phone thinks it is charging when not plugged in [closed]

Quite often my phone lights up the charging symbol even if the phone isn't charging. It applies when it's of and on. The behaviour seems somewhat glitchy, it turns on and off. Is this a well known ...
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
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 ...
5
votes
2answers
1k views

Can I save my htc desire if the battery is dead?

I ran my HTC Desire on a 0% charged battery - and it shut it self down. Now it won't charge anymore and wont start even when plugged in. What are my options?
6
votes
2answers
534 views

Battery life depends on type of charger

When I charge my HTC Sensation mobile with the charger supplied by HTC the battery duration is more or less 1 day (depending of the usage). But (here comes my question) when I charge the mobile ...
2
votes
2answers
2k views

LG P500 Not Starting After Full Discharge

My LG P500, with FroYo, doesn't seem to be working. I let my battery completely die and now, even while plugged in, it won't turn on. Is this normal and should I just wait the battery to be charged ...
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 ...
7
votes
2answers
2k views

Am I overcharging my phone? [duplicate]

Possible Duplicate: Does constant charging harm my Android cellphone? I am using my Xperia Active for application development. Given that scenario, I obviously have the phone connected to ...
4
votes
0answers
598 views

Battery life in Samsung Galaxy 3

I recently updated my Samsung Galaxy 3 to Android 2.2 . After the update my fully charged battery dies in just 3 hours(without any use) and around 1 hour if I use it (talking,browsing etc). I am using ...
3
votes
1answer
510 views

VZW Galaxy Nexus exhibiting bizarre charging behavior

Lately I've noticed some weird behavior with my Galaxy Nexus. I am rooted, but running stock ICS. Here is what it's doing wrong: Phone sometimes will not charge, I must turn it off for it to start ...
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
0answers
47 views

Are Android USB plug-in chargers interchangeable? [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)? I'm ...
6
votes
1answer
1k views

How do I stop my phone from beeping when it completes charging?

I have a Samsung Galaxy 2 S running Android 2.3. When I plug it in to recharge, it beeps when it reaches 100%. I would prefer that it not notify me with a sound. However, I can't for the life of me ...
2
votes
1answer
442 views

How can I connect my A500 to an iMac for charging and file transfers?

I have a Acer Iconia A500 and I am using an iMac. I cannot charge or share my device as mass storage with my computer over USB, though I am able to use bluetooth for transferring data. Are there any ...
5
votes
1answer
239 views

AC-USB Charging Device Makes Sounds when Device Fully Charged

This might not be the right place to ask this question, as it falls under the purview of electronics, however that SE is not about consumer electronics. And this phenomena has only happened with ...
4
votes
1answer
268 views

Battery level on Asus eee pad Transformer with dock

I'm wondering if anybody knows how the battery level is measured on the Transformer when the dock is connected. I fully charged the other day, and after few hours of use the battery level was still ...
5
votes
1answer
1k views

How can I charge an ASUS Transformer while connected to USB?

Currently I'm developing with my Nexus S but would like to use Asus Transformer for that. So far I figured that device won't charge from USB. And for me - I need to have it on USB for debugging while ...
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 ...
7
votes
1answer
886 views

No touchscreen response when charging

I have a new HTC Desire S in the UK unlocked from Amazon running Android 2.3.3 and HTC Sense 2.1. When I charge the phone the touchscreen is non responsive. I have tried changing Settings > ...
4
votes
1answer
519 views

Why does my Android device generate more heat on an AC charger?

My Huawei IDEOS u8150 is new and ever since I used the AC charger that was supplied with it, my device gets a bit hotter (a noticable 5 degrees Celsius extra compared to charging via USB from laptop). ...