For questions related to batteries on Android devices. Questions about battery life should be tagged with [battery-life]

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0
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1answer
3k views

Cannot charge due to low battery temperature on Lenovo P780

My Lenovo P780 won't charge because the battery warning always pop up & says that charging is paused due battery's temperature is too low. I have checked the battery's temperature & it is ...
-1
votes
0answers
22 views

Battery usage by apps

My mobile shows which applications are using more battery. How accurate is this? Because apps are not electronic devices to measure the flow or current. When multiple apps are open how does it ...
-1
votes
0answers
12 views

Information about phone usage [on hold]

Is it dangerous or harmful to the phone if you use the phone without the battery, and just the charger?
2
votes
1answer
15k 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% ...
0
votes
2answers
2k views

Battery drains very quickly on Samsung Galaxy S5

I have purchased a Samsung Galaxy S5 from the store. I open it and I begin by charging it for the first time, but without turning it on. The battery was 61%, so I waited until 100%. After that, I ...
4
votes
2answers
29k views

Can you actually determine the mAh of a battery?

You can skip the story part but for better reference, please read it: A Little Story My phone claims it has a battery of 4000 mAh that lasts for 3 days. I got the phone, really psyched because of ...
1
vote
1answer
4k 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% ...
1
vote
3answers
2k views

Galaxy Tab 3 won't boot - dead battery?

I'm kind of disappointed, this morning I wanted to start my GT3 but I get this logo instead (sorry for the poor quality) : I've try AB testing with my Nexus 5 battery loader, both works on my ...
3
votes
1answer
139 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 ...
1
vote
1answer
10k views

battery draining problem in samsung galaxy note 2

I've replaced my damaged battery with a new one in my samsung galaxy note 2, but it drains too quickly. After fully charging the battery, when I leave the phone without using it (the screen is ...
2
votes
2answers
6k views

Device Steadily Discharging While Plugged Into AC?

Question: My device (Galaxy Note 2 running the stable CyanogenMod release) is charging extremely slowly and discharges while it's plugged into AC power. What happened to cause this and what's ...
0
votes
1answer
42 views

Samsung Galaxy GT-P7510 won't charge

I have a Samsung Galaxy Tab GT-P7510/M32 32 GB. I can't get it to charge. I plugged charger in one time and showed the battery was empty and had a yellow triangle with exclamation point point in it. I ...
26
votes
3answers
27k 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 ...
1
vote
2answers
60 views

How does Samsung's “quick charge” work?

How do the batteries work? Will those batteries have a shorter lifespan? Will the "quick charge quality" get worse over a period of time? And why aren't there other companies using this technology?
13
votes
5answers
3k 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)
1
vote
0answers
1k views

Is there a battery cycle counter app?

I have an HTC One M7 (4.4.2), and the battery is starting to deteriorate. It may be that I have some misbehaving apps, but I'd be curious to find out the number of charge cycles my device has used ...
3
votes
1answer
3k views

Nexus 5 crashes, battery down to 0% on Android 5.1.1

I'm currently running Android 5.1.1 (Chroma custom ROM) on my Nexus 5 and recently have been experiencing some weird issues with my battery, which have appeared more frequently in the last few days. ...
4
votes
4answers
6k views

my battery charge indicator is continually flashing on and off

My battery charge indicator (the screen info saying % full), flashes on/off/on/off, etc. sometimes. I've switched the battery to a spare to see if that helps but it didn't. When it does happen, ...
5
votes
2answers
9k views

Why doesn't my phone charge?

Okay, so I already ordered a new battery, but in the mean time. Why won't my phone charge? I have tried every charger/cable in my house and car (over 10 chargers and around 15 cables). Double ...
0
votes
4answers
5k views

Samsung Galaxy S2 shuts off when plugged in: screen goes black then a grey empty battery appears

Samsung Galaxy S2 shuts off when plugged in. The screen goes black then a grey empty battery appears for a second then disappears. This "flashes" several times in about 4-5 second intervals. I can not ...
3
votes
1answer
367 views

USB charger produces high-pitched noise while charge is at 100%

I recently bought the European version of the PowerCube, which combines three power outlets with two USB chargers. I noticed that as soon as my smartphone charge is at 100%, it starts producing a ...
1
vote
1answer
63 views

Xiaomi Redmi 2 Pro Battery Issues

I have a Redmi 2 Pro, and it works fine, except for some issues with the battery. If I charge it to 100% before I disconnect the charger and go to sleep, by the morning it may go down only to 98%, but ...
2
votes
2answers
74 views

Is there any relation between charging rate and discharging rate?

Sometimes when I do not use the original charger but a different one it would take less time to fully charge the device than the original charger would do. But I can feel that discharging rate is ...
2
votes
1answer
72 views

What is a canonical battery test that I can use before and after upgrading the OS version?

I am about to upgrade from Android K to Android L. Right after, I will upgrade from Android L to Android M. In a previous empirical experiment, with a now-demised device, I noticed (or seem to have ...
0
votes
1answer
49 views

Why Samsung Galaxy Ace GT-S5830i shows only a battery icon instead of booting?

I have a Samsung Galaxy Ace GT-S5830i smartphone I got from a friend some months ago. It had basically no issues, but today morning when I attempted to turn on (it was charged almost all night), what ...
10
votes
2answers
16k 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?
0
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0answers
54 views

My Redmi 2 Prime's battery usage is inconsistent after OS reinstalls

Recently after I updated my phone to MIUI7 the battery increased from 9 hours internet browsing backup to 10 hours and 4 minutes for Internet Browsing backup. But after I tried to roll back the OS to ...
6
votes
1answer
179 views

Do modern Android devices regulate AC mains power similar to a laptop?

There have been a lot of discussions about lithium-ion battery life across the internet. However, within these discussions I have found contradictory details about the way power is regulated between ...
2
votes
0answers
57 views

Change color theme when battery saver mode is active

I'm using a Nexus 5 with stock ROM. When the battery saver mode activates, the notification and navigation bar's color turn to a bright orange. I find this color very distracting. Is it possible to ...
0
votes
1answer
217 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 ...
1
vote
1answer
4k views

Having serious technical problems / crashing on my Samsung i9300

I have a Samsung Galaxy S3 (i9300) that I've been using for slightly over a year. I am a rather heavy-duty user of the phone, and have used in intensively for that time. I do take care of the phone ...
1
vote
0answers
274 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?
3
votes
0answers
31 views

Series of application freezes and battery discharging fast after turning on flash in camera once

I have LG Optimus L9 P760, Swift L9 with Android system. Few days ago I was using my phone camera and turned on "flash" under settings for it (the lamp). When I wanted to take a photo, camera ...
4
votes
0answers
433 views

500 charge limit on wireless charger for Nexus 4 / 5 (QI)

I recently bought a QI compatible charger for my Nexus 5. On the box it states, that the "wireless charges up to 500 times". I don't understand why the charger is only able to charge my phone 500 ...
29
votes
9answers
66k 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.
1
vote
2answers
318 views

Battery Issue with Android 6.0

I upgraded my Karbonn Sparkle V to Android 6.0 recently. after a couple of days the battery drains quickly. hence charging the phone also takes hours. this was not at all a issue when it had lollipop ...
9
votes
0answers
286 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 ...
0
votes
1answer
102 views

Marshmallow: Apps NOT battery optimized still seem to doze off

I have a Nexus 6P. I have disabled battery optimization for a few apps and yet those apps still seem to doze off. Specifically those apps are 1) a sip client (csipsimple and bria) and 2) pushover. ...
2
votes
3answers
18k 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 ...
3
votes
1answer
127 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 ...
2
votes
1answer
76 views

Battery drains every time screen is turned on

I just bought a new phone, it is Android 4.4.2, but it seems that it has a problem with its battery. Every time I turn on the screen, the battery drops 1%. For example, the battery is 30%. then I ...
0
votes
3answers
7k views

Samsung S duos - showing charging symbol but percentage not increasing

I have samsung s duos. Suddently one day, when i was charging .. though the indicator shows charging, the battery level keep going down. I restarted mobile... still same issue. Then i tried with ...
2
votes
0answers
20 views

Bluetooth device battery life indicator unavailable

I'd like to understand why Android seems to be lacking some kind of low level Bluetooth support which iOS has. I've recently bought a fairly cheap pair of BT headphones (VTIN Swan) which work great, ...
0
votes
1answer
90 views

Android phone is turned off at 52% battery

I have got a Samsung Galaxy Grand Neo Plus with Android 4.4.4. When the phone reaches the 52%, it turns off and I can't turn on it again because the battery is at 0%! I think this could help: When I ...
0
votes
0answers
8 views

How to check the log of last charge history in gsambattery monitor

I have been looking for logs of gsambattery monitory to see how my phone performed in last charges and not just the current one or the overall performance. Please help me with this.
0
votes
0answers
40 views

Droid Turbo battery life issue on Android 5.x

After my Droid Turbo got the update to Lollipop this past summer, battery life has tanked. I used to fairly easily get through a day and a half of normal (for me) usage. Immediately after the update, ...
0
votes
0answers
55 views

How Doze (marshmallow feature) work during playback?

We know that Doze mode starts the 'ultra power saving' when the device isn't moving. But what happen if we leave the device on a table playing music with the screen off? EDIT: I experienced the ...
0
votes
1answer
51 views

Nexus 7 (wifi) 2012 won't charge past 11%

So I turned on my nexus after maybe a year of inactivity. It was just in my cupboard, mostly because I installed a unstable mod and just wouldn't work. But I was able to fix it. And now it won't go ...
5
votes
2answers
121 views

Bought a new battery, do I need to calibrate it?

My original battery is bloated and is dying quickly after a full charge so I now bought a replacement. Do I need to calibrate this new battery using a calibration app?
1
vote
1answer
138 views

How can I force my device to pull more watts from charger?

I have three devices, Nobis nb7022 s, droid mini, asus memo pad 7 (me170cx). I am using a charger that has a rated out put of 2000ma. The nobis draws 8 to 10 watts from the wall outlet. the droid mini ...