Questions tagged [charging]

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

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276
votes
6answers
76k 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 ...
8
votes
4answers
5k views

How to prevent brightness from going to full when the battery low popup appears?

Whenever the "battery low" popup appears in my tablet, the brightness goes to full. This makes no sense because the brightness should be decreased to the minimum instead of going to the maximum, as ...
12
votes
4answers
8k views

Is my phone liable to explode if I charge it with a charger that came with a different phone?

My friend and I both have droids and we often user each other's wall chargers out of convenience. I was told that it's possible that my phone might explode if it's charged with a charger that wasn't ...
18
votes
5answers
4k views

How to choose micro USB cable for my device?

The plug sure looks like any old micro USB plug. Will another cable (like the one from my digital camera) work to charge the battery, or do I need one specifically designed for my phone (incredible)
26
votes
7answers
8k views

Is power consumed from battery to run the phone when charging?

I want to download torrents while keeping the device plugged to charge. My device is made by Samsung. Is the power consumed from charger, or battery, to power the device when charging? Will my ...
8
votes
1answer
23k views

Fast Charging by Qualcomm 3.0- impact on battery?

I am thinking of buying HTC one A9 My only concern is with fast charging . I have read this thread How does fast charging work? and understood the downside is mainly on battery life. Accepted answer ...
22
votes
3answers
7k views

When should I start charging my Lithium battery?

The comments in this question say that I shouldn't wait until low battery charge level before I charge, because that reduces battery life (this is contrary to my understanding before that the faster ...
12
votes
3answers
16k views

How frequently is it okay to let the battery discharge fully or as low as possible?

I know that atleast once or twice a month a full battery drain and then a 100% charge helps increase the battery life and also gives more accurate battery readings. I was wondering, how frequently is ...
4
votes
1answer
12k views

Where are the battery capacity files located?

Background My current device Huawei Honor 6 comes with a 3100 mAh battery. I was therefore surprised to see 3C Toolbox Pro report the capacity as 4000 mAh. I mailed the developer of the app and his ...
15
votes
2answers
32k views

How does fast-charge work?

How does Fast Charge work? Does it actually charge your device faster, and if so, Is there a downside to using it?
8
votes
4answers
169k 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 ...
4
votes
2answers
2k views

Why does my phone have erroneous input when connected to a non-OEM power source?

My phone (Motorola DROID RAZR MAXX) seems to have problems accepting touch input when connected to a non-OEM power source. When connected to my computer via USB, it accepts input fine, as it does when ...
33
votes
3answers
90k views

Do I have to charge my phone before I use it the first time?

When I got my last phone, a SE k850i, I was recommended to charge it fully once before I even turned it on. Does this apply today as well, for my coming HTC Desire HD? Why was I recommended to do so ...
16
votes
3answers
17k views

Are Android chargers universal in terms of power (Voltage, amperage)?

I would like to buy a car charger, wall charger and USB cables for my Samsung Intercept. However, $20 for a charger seems expensive and I want to avoid getting ripped off. The Samsung Intercept Manual ...
11
votes
3answers
6k views

Ideal charging / discharging percentage for maximum battery life?

One of my friends has a relatively new Samsung smartphone. He has this app that notifies him whenever the charging is up to 80%, and tells him to unplug the charger. He tells me that it will increase ...
24
votes
4answers
5k views

What causes battery to drain faster than it can charge?

I have a Moto DROID (v1). On a trip from Tyler, TX to DFW airport I had my phone in the car dock and charging. I was using Navigation for directions to the airport and also had Listen running to ...
2
votes
2answers
2k views

How do I override charging current on Huawei Honor 6?

On SonyEriccson Xperia X10i I do this: echo 1000 > /sys/devices/platform/msm_hsusb/gadget/chg_current This allows faster charging from computer's USB port (if I know it can source more than 500mA)...
47
votes
3answers
92k views

Android phone “charging slowly”: How to make it faster

When I put my Android device to charge, the lock screen says "Charging slowly": Is it a particular software setting that tells Android to charge slowly? How to make Android charge fast?
33
votes
10answers
134k views

Why is charging from computer using USB slower than using an outlet?

And what is roughly the ratio of the charging speed in USB vs charger? My phone is Samsung Galaxy S, if that matters.
21
votes
10answers
36k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, link2)...
9
votes
3answers
25k views

Automatically limit (stop) battery charging at a given percentage

Device : Moto X Play ( Rooted, Stock, Android 6.0.1, msm8916 Board, XT1562) Why do I want to limit charging ? ( Let's leave out whether my reasons are valid or not and accept that I want to, if you ...
2
votes
1answer
431 views

How to select a Non OEM USB Type C charger or cable for my device?

Internet is replete with reports of problems of Type C accessories. Also reported here, Can a faulty Micro-USB cable cause damage to your device? How do I go about selecting right cable or charger , ...
4
votes
5answers
15k views

How to limit charging to 60%

My UleFone Armor 2 has 4700 mAh, but I would like to limit it to 60% to reduce battery ag**g. The battery in more and more phones is not user-replaceable thanks to Apple's toxic influence on the ...
14
votes
6answers
88k views

Automatically power on Android when the charger is connected

Is it possible to automatically power on the device once the charger is connected given that the device is initially turned off?
20
votes
11answers
42k views

Galaxy Tab is not being charged through USB Cable

Currently i am using Samsung Galaxy Tab, model is GT-P1000, to test my application, so i usually attach it with PC through USB cable and it is attached for a whole day though it is showing low battery ...
12
votes
4answers
267k views

Charging paused. Battery temperature too high or too low

I have a Samsung Galaxy player that has been giving me the message "Charging paused. Battery temperature too high or too low". I left it unplugged and powered down all night, and it still gave me the ...
9
votes
1answer
18k views

Is there an efficient way to calibrate the battery than using some apps?

Is there an efficient way to calibrate the battery of my tablet in order to prove or disprove the very low battery backup than using some Apps.? The context is that my tablet is giving a very low ...
4
votes
2answers
30k views

Is it safe to use phone while charging with portable powerbank?

I understand using phone while it is being charged by a normal charger is not advised. What about using phone while it is being charged by a portable charger (powerbank)? I own a HTC one and i was ...
1
vote
2answers
7k views

How to connect Samsung J7 via USB but disable charging?

I would like to know if is it possible to connect my smartphone to a pc via USB without charging it? It would be very useful to be able to disable charging (but still allow USB tethering, ADB ...
34
votes
3answers
45k views

How can I avoid the battery charging when connected via USB?

I'm using my Samsung Galaxy S2 for development so I regularly plug it while it's not fully charged, and my phone starts charging over USB. I think this (charging while in use) can affect battery life (...
44
votes
9answers
59k views

How to make screen stay turned off when plugging charger?

When I plug charger into my phone with screen off, it always turns the screen back on. This is slightly annoying at night. Is it possible to configure android so that the screen stays off and charging ...
10
votes
3answers
15k views

Micro USB cables that only charge but no data, no mounting etc (Samsung Galaxy S)

Not all cables seem to be created equal but I've never got to the bottom of why so many (cheap) cables I try only charge - no data. Anyone know why? Certain pins not connecting? I do know that longer ...
4
votes
1answer
10k views

How to determine maximum capacity of a battery in mAh? - received fake battery

Is it an increasable value ? I think its not. I just bought an extended 3890 mAh battery for my Galaxy S4 GT I9500. The original Samsung battery is 2600 mAh. This is my second purchase from a ...
13
votes
2answers
22k views

How to use android phone without battery?

Some android phones have removable batteries, and others are non-removable. It is the battery capacity that makes the device alive for hours. Also, the device can be used while charging. My question ...
8
votes
3answers
11k views

What's the safe limit on charger output for a Galaxy Nexus

The charger that came with my Galaxy Nexus phone outputs 5 volts at 1 amp. I have another charger that outputs 5v at 2 amps. Is it safe to use this charger? What's the limit I can use without damaging ...
5
votes
1answer
12k 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 phone ...
2
votes
1answer
343 views

How do I select a non-OEM charger for my device?

My Nexus 5 D821 (2014)'s original charger started failing to charge the phone since last week. There are 1.8A & 1.2A LG OEM chargers available in ebay.com. Is it okay to use the 1.8A charger? or ...
2
votes
2answers
284 views

How to prevent brightness when battery reaches high?

I leave my phone (Samsung Galaxy 4 GT-I9506, Android 5.0.1 lollipop) charging on my table when going to sleep. It reaches full after some hours often. It is so annoying when the display becomes bright ...
1
vote
2answers
2k views

Will plugging the Samsung fast charger into a outlet rated 10W/2.1AMP slow down the charge rate?

The S6 comes with a fast wall charger, but how does it work exactly? I want to plug it into a “one outlet Belkin” with surge protection, that is 2.1AMP for the ome USB port and 10W for the single AC ...
8
votes
2answers
905 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?
5
votes
2answers
6k 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 Samsung Galaxy 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 2.0A current only ...
2
votes
1answer
4k 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 in, I ...
1
vote
3answers
6k views

Xperia SP looks like it's charging, but it doesn't charge

My phone is Xperia SP, it's on CM 12.1, unofficial build (because the official one is buggy due to bad kernel). It has been bought second-hand, so I'm not sure about its history (the phone was in a ...
83
votes
4answers
298k views

Battery Life and First Time Charging on Li-ion Batteries. Myth? [closed]

"Ok you bought a brand new mobile phone with brand new battery, after checking its working ok kindly switch it off and charge it fully (100%) then start using it. IT WILL INCREASE YOUR BATTERY LIFE.", ...
19
votes
4answers
17k views

Where is “Stay Awake” option in Ice Cream Sandwich on the Galaxy S3?

I just upgraded to the Samsung Galaxy S III (Ice Cream Sandwich) from the Motorola Droid Bionic (Gingerbread). On my Bionic, there was a "Stay Awake" check box that made it so my "Screen will never ...
2
votes
1answer
7k 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 ...
10
votes
2answers
19k 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
4answers
12k 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 ...
2
votes
1answer
6k 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% ...
2
votes
3answers
41k 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 ...