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

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4
votes
2answers
852 views

Is battery calibration important for Android phones?

I heard that battery needs to be calibrated for a first few usages. I heard that battery needs to be calibrated every 40 charge cycles. I heard that i must not let battery get too low and not ...
4
votes
1answer
243 views

Does my Android phone uses battery or outlet power to operate while being charged?

I am curious about knowing which power source does my android uses up, while it is being charged while switched on.. I know i can test it by keeping it in charging and pulling the battery.. but i am ...
6
votes
1answer
246 views

Does the processor speed have any bearing on the time taken to charge?

I have a rooted Samsung Galaxy S II i9100 running the default Sammy Android 2.3.3 on the Siyah Kernel 2.0 I use SetCPU to change my processor speeds to conserve battery life during the day. Will ...
1
vote
1answer
241 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 ...
0
votes
1answer
186 views

Android Experiments drain battery

While I am experimenting with Android I found it annoying that the device even if is plugged in on the PC using a USB is discharging. THe problem is that I am performing some intensive experiments ...
1
vote
0answers
241 views

Samsung Galaxy tab 10 does not start up

My tablet won't start. With the USB cable connected I can start my tablet using the "power & volume" trick. When in prompt menue for various reboot options it says in yellow text Can't access ...
1
vote
1answer
921 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 ...
0
votes
1answer
466 views

WiFi tether without losing battery

So, as everyone already knows, when tethering data over WiFi your battery may overheat/lose battery/etc. What I want to do is while in my car: Stream internet over WiFi to >1 person Navigate with ...
15
votes
3answers
6k views

Battery - do they last longer if recharged when empty?

I'm about to buy a Samsung Galaxy Ace (it's not much expensive and I think it's a pretty good phone), however everyone has been complaining with the battery life but admitting that isn't bad compared ...
4
votes
4answers
864 views

My Milestone doesn't always charge

I have a Milestone and sometimes when I plug my (supplied Motorola) charger in the 'charging light' on the side does not illuminate and the phone does not charge. I think that this may also happen ...
2
votes
3answers
12k views

Can USB charging (via mains adapter or from PC/Mac) of Android tablets be the main, primary method of charging? Or are there design issues?

Are there design issues with tablets being charged by USB not seen with Android phones? I saw this on another forum, what are your thoughts on this with regard to my question? ...
3
votes
0answers
302 views

Verizon Galaxy Nexus Discharging When Plugged In Even After USB Replacement

I've got a Verizon Samsung Galaxy Nexus that as of a few weeks ago quit charging - in fact it quickly drains the battery (discharges 2% / minute if not more) while plugged in. I tried different ...
7
votes
3answers
503 views

Is there a way to tell when the battery is actually at 100%

I recently acquired an HTC Desire Z / G2, and installed Cyanogenmod 7 onto it. Something I've noticed though is that sometimes the battery drains very quickly, and sometimes it does not. Since I have ...
4
votes
1answer
5k views

How do I turn on the battery full notification sound?

Similar to this previous question, but I want to enable the battery full notification sound, not the opposite :) My Galaxy S used to make a nice beep and switch the screen on briefly when the battery ...
2
votes
1answer
6k views

Prevent ICS From Mounting USB Storage

I have a Motorola Droid Razr Maxx running Android 4.0.4. I'd like to prevent ICS from mounting USB storage every time I plug it into a USB host. I just want it to charge by default. I am very ...
3
votes
2answers
2k views

Can you charge a Galaxy Tab 2 7" with a charger from Galaxy Tab 10.1?

I've already got a charger for the Galaxy Tab 10.1 and I'd like to be able to use it charge both that and a Samsung Galaxy Tab 2 7". It seems to work, but I was wondering if there is any sort of ...
7
votes
4answers
7k views

How can I change screen timeout based on whether my phone is/not charging?

I'd like my screen to stay lit while charging but have a timeout when just on battery. Is ther any way to do this?
7
votes
1answer
5k views

How do I disable the lock-screen when my Samsung Galaxy S II is charging/connected via USB?

When I develop for my Samsung Galaxy S II, the screen locks as usual after the configured time. However, for development it would be practical if the phone would just stay awake while it is connected ...
7
votes
3answers
3k views

How can I tell at what rate my battery is charging?

I've been told that different charging sources charge my phone at different rates, and have been told that some car chargers act at a normal USB rate instead of a rate closer to an AC outlet. When I ...
2
votes
0answers
435 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 ...
13
votes
1answer
2k views

charging from power outlet or computer? to save battery lifetime

I realized that charging my HTC Desire (Android 2.1) takes longer if connected to computer compare to power outlet. Does it matter which method I use to charge in terms of battery life time?
2
votes
0answers
829 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 ...
4
votes
2answers
244 views

Can the Droid Eris be charged on a PowerPlate Wireless Induction Charging Base?

Can the Droid Eris be charged on a PowerPlate Wireless Induction Charging Base?
6
votes
2answers
3k views

How can I restore the display of the battery status on the lockscreen?

I have a Samsung Galaxy Fit - GT S5670 model. When I charge the battery, there used be a percentage on the pattern screen. Somehow it is not showing now. All it is showing the word "Charging" but no ...
0
votes
0answers
32 views

Constant USB tethering leading to charging issues [duplicate]

I have to run Samsung Galaxy Ace internet via USB tether. Will constant use overcharge my mobile and can this lead to problems? Wi-fi is not currently an option.
2
votes
1answer
476 views

My HTC EVO 3D is unresponsive after charging

For about the past month or so, whenever I pull my HTC Evo 3d off the charger (wall primarily, haven't tested against USB yet) the phone is unresponsive for anywhere between 15-60 seconds, and it's ...
3
votes
0answers
576 views

Nexus7 Stuck in Reboot Following Full Discharge [duplicate]

I am experiencing the same symptoms as described in the following: " Nexus 7 is stuck in reboot loop after full discharge " My Nexus 7 is full discharged. I have it connected to Factory AC-to-USB ...
0
votes
0answers
1k views

Charging Micromax Funbook Pro through USB Power Adapator

The AC 5V adaptor that came with my Micromax Funbook Pro tablet has become non-functional. Is there a possibility that I can resort to buying a universal USB power adaptor and then plug it into AC ...
11
votes
1answer
4k views

Does the device/charger consume power after charging is complete?

I'm a bit OCD about efficiency and I have noticed that at least one of my two Android devices tells me to unplug it after charging is complete to save energy. My questions are: Is it true that a ...
3
votes
1answer
578 views

Get charge state remotely

I want my desktop to check state of the phone and warn me at appropriate time (calculated on my presence at the desktop, phone charge, time of day and other criteria). Is there a way to get my phone ...
0
votes
2answers
1k views

what could cause a sudden drop in battery life?

According to my battery graph the phone went from 85% to 0 in an instant. I wanted to add a screenshot, but I do not have enough reputation. The last time I checked it was nearly full, and 7 hours ...
2
votes
1answer
153 views

File Manager opens when connected to charger

I am using Sony XPeria with Android 4.0.4. If I connect the device to an AC adapter/charger, the ASTRO File manager opens by default. How to stop the app from opening when the device is connected to ...
2
votes
1answer
4k views

Samsung Galaxy Ace wont charge

Hello my wife has the galaxy ace gt s5830 but for some reason it wont charge either off the original charger, or blackberry charger, neither off the usb in the laptop will it charge, if i take the ...
1
vote
0answers
269 views

Phone interrupted during first charge, battery damage?

Got my new Sony Xperia Go and after draining its initial power, plugged it in to charge. Red light was on, but the battery icon did not show that it was busy charging. So I unplugged it and ...
8
votes
1answer
580 views

What happens to the battery during bootloader/recovery?

I want to know what happens to the battery (does it charge/discharge/stay constant?) when the device is in bootloader or recovery mode. In both of these modes, a USB may or may not be connected. If ...
1
vote
0answers
2k views

Samsung Galaxy S2 battery gets hot

My Galaxy S2 is less than a year old. The battery sucks! I have to charge it more than once a day. Tonight, while on the charger, the battery life is actually going down. It's also way too hot to ...
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
395 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
339 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
7k 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
191 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
1k 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
355 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 ...
7
votes
1answer
9k 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
216 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
535 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?
13
votes
2answers
10k 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 ...