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
11 views

How to reset Battery chart

I have an Android tablet (wifi only; no cell service). Sometimes, I want to reset the chart it shows in the battery menu, so that it only shows the last few min instead of the last who knows how many ...
0
votes
1answer
26 views

Android showing battery at 100% even when left for straight 10 hours in night

Just started using an Android phone and left it overnight to see how long it would last. After about 10 hours the battery is still at 100%, so could there be some kind of delay when it comes to the ...
0
votes
0answers
8 views

Battery connector pins showing strange voltages for a phone and a tablet

I have a Samsung GT-I9003 phone and a Samsung GT-P3100 tablet. Phone is rated 3.7V 1A, tablet is rated 5V 2A. Phone has an Input:100-240V 50-60Hz 150mA Output:5.0V 550mA charger, tablet has an ...
0
votes
1answer
627 views

Differences in battery information and phones printed labels

I just run across this today: The value for battery current capacity printed on the battery of some Samsung Android devices are different than the numbers printed on the label on the phone (underneath ...
1
vote
2answers
35 views

How can profile (log the charging and discharging current for some time period) my battery?

As the question reads, I want to log the current in milliAmpere or Ampere (both charging and discharging) over a period of time. Please note I am not asking about charging or discharging rate, but ...
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0answers
27 views

How can I avoid buying a counterfeit replacement battery for my Nexus 5? [closed]

My Nexus 5 battery seems to be failing, once the battery level drops down to about 30%, it drops suddenly down to 4% over about 30 minutes then shuts down shortly after that. (and I'm only getting ...
0
votes
1answer
7k 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 ...
0
votes
0answers
20 views

2014 moto x battery life

I'm experiencing an issue with my 2014 Moto X's battery running Android 5.1 and I was wondering if someone have any suggestions or something ... for example, yesterday I had about 30% left of my ...
2
votes
0answers
329 views

Why does my Android 4.4.2 sudden have a battery drain (Wiko Bloom)?

I'm currently using a Wiko Bloom, with Android 4.4.2, using the latest manufacturer update. A few weeks ago I was trying out the Llama app and after a while I noticed that out of nowhere my battery ...
1
vote
1answer
5k views

Battery goes down from 100% to like 80-75% so fast

Why does my LG L90 battery goes down from 100% to like 80-75% so fast (about 30 mins) and then the battery lasts quite a while? Is it because the battery has been charged only a few times? Because I ...
0
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0answers
29 views

battery gets drained at a certain time

Lately I've gotten a very strange behavior from my phone: at a certain time (around 23h) the battery begins to drain, it's very annoying because I used to keep the phone on during the night (and as ...
0
votes
1answer
2k 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% ...
0
votes
1answer
2k 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
vote
1answer
20 views

Wet phone, charge symbols shows, but wont turn on

My Galaxy S6 got wet and i dried it out as much as possible. When i plug it in, the charge symbol shows up on the screen and it shows that its fully 100% charged but when i press the On button, it ...
17
votes
1answer
7k views

How does Android obtain battery temperature?

I am curious about the way Android phones obtain the battery temperature. Android has an API called BatteryManager which provides the value of instant battery temperature, but is there an actual ...
1
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3answers
757 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 ...
1
vote
2answers
59 views

Is there a way to leave the phone plugged in, but schedule when to actually charge it?

Under my normal daily use, my phone would have around 50~40% battery power left before I go to sleep. I don't want to keep my phone plugged in to charge over night, but I do want it to be at 100% ...
0
votes
0answers
213 views

Asus ME302C tablet charging problem

This is in continuation to my earlier question (Asus ME302C tablet charging forever and doesn't start). Somehow my account is messed up so posting new question. My ASUS ME302C tablet stopped ...
4
votes
1answer
1k views

Download Manager causes high CPU usage on Motorola Razr with stock Android 4.0

My Razr (Stock ROM 4.0) is very very hot. After some research I found com.android.providers.downloads is responsible, since it's using about 60% of CPU. I have tried killing it, and it respawns, ...
0
votes
1answer
71 views

How to recalibrate the OS for an external battery?

I recently bought an external non-standard 7000 mAh battery for my Samsung Galaxy S3 but the phone doesn't seem to recognize it. Is it possible that the phone needs to be reconfigured or recalibrated ...
1
vote
2answers
73 views

Battery Drain from Android OS and Android System

I've got a Galaxy S5 and recently, Android OS and Android system just seem to be draining my battery. Not done anything extraordinary regarding rooting or anything, it's all stock. I can only manage ...
1
vote
1answer
478 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. ...
0
votes
0answers
15 views

Battery charge 0% on Galaxy Nexus / Android 4.3.3

I have just connected a charger to my Samsung Galaxy Nexus i9250 phone with Android 4.3.3 and for the first few minutes it showed me (on lock screen) 0% battery charge. Aside of discussion, how bad ...
1
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0answers
27 views

Nexus 4 red light of death. Unable to fix it (tried two possible solutions)

Using a 3-year Nexus 4, I started yesterday to suffer the red light of death issue. Firtsly, I open the unit, disconected and conected the battery, following the directions of: ...
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votes
2answers
2k views

Asus ME302C tablet charging forever and doesn't start

My Asus ME302C tablet was giving charging problem lately and is completely dead now and not starting up. Around 5 days back, its charging got stuck at 55% and it never went ahead even after charging ...
1
vote
0answers
31 views

Android phones that don't require a battery to run properly

My Android phone apparently requires a battery in order to function. If I take out the battery before boot, it shows an empty battery with a question mark on it and refuses to boot no matter how I ...
0
votes
3answers
4k 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 ...
1
vote
1answer
2k views

Ultra STAMINA mode bug on Sony Xperia Z3?

I had a long night yesterday, and at 5am my Xperia had like 10% of battery left, so I put it in Ultra STAMINA mode and fell asleep. This morning, the phone wouldn't turn on as the battery was ...
3
votes
0answers
33 views

Does leaving a lithium-ion battery uncharged for 3-6 months at a time hurt battery life?

Does leaving a lithium-ion battery uncharged for 3-6 months at a time hurt battery life? I have seen plenty of questions and articles about the dangers of leaving your cellphone in the charger, but I ...
0
votes
3answers
74 views

S4 Wont turn on unless removing battery then turns off after 2 seconds

So, my Galaxy S4 turned off randomly today during charge. I attempted turning it back on via the power button but it would not respond. Then I tried taking out the battery and replacing it, the ...
0
votes
1answer
19 views

Should I turn off or standby my encrypted phone to maximize lifespan

Should I turn my phone off at night or just lock it, to minimize battery usage and battery wear, and also wear to the flash memory? This question is similar to Should I keep my Android tablets' ...
0
votes
1answer
29 views

A Bad Charger Damaged My Asus TF300t Tablets

I bought a charger set off of Amazon.When i plugged it into my tablet it flashed and rebooted and the battery shows 0% and will not charge.Also when i hook up the USB charger the computer does not see ...
62
votes
11answers
81k views

How to disable battery full notification sound?

When battery has been charged full, my Galaxy S phone gives the same notification sound that is used when I receive SMS. Is there a way to disable the sound without also disabling sound from SMS? It ...
208
votes
6answers
52k 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 ...
0
votes
0answers
14 views

Battery getting hot on my Galaxy S3

I have a Galaxy S3. I have been using the phone as my in-car satnav, plugged into my car and haven't had any problems until the last couple of trips. After about 20 minutes or so, I get the message ...
2
votes
1answer
76 views

Does data reset wipe batterystatus.bin?

Does data reset delete batterystats.bin? Location of batterystats.bin file is /data/system/batterystats.bin. Note: NVRAM also remains in data partition but data reset does not wipe IMEI. Can I ...
1
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0answers
1k views

Samsung Galaxy III screen turning on by itself and draining battery

Even though I haven't received any notifications, the screen on my Samsung Galaxy III keeps turning on and draining my battery. What's causing this?
1
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1answer
3k 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 ...
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 ...
1
vote
0answers
21 views

How do I test to see if a battery is good?

I have had such a nightmare with sprint. I'm not going into all the details but I ordered a battery for my htc 3d phone. I just want to get it up and running. I lost 10 days worth of texts and ...
4
votes
1answer
10k views

Cell standby and Phone idle

On the battery use screen, what are the differences between Cell standby and Phone idle items?
1
vote
0answers
6k views

Google Play services using up battery - Why and how to fix it?

Why would Android devices have "Google Play services" using up the second-most amount of battery usage over a 24 hour period (second only to screen power)? On one device, I see "Google Play services" ...
0
votes
1answer
22 views

How to control battery usage by display in Xiaomi

I am using a Xiaomi redmi 1s phone which is of battery capacity 2050mAh. Most of the time when I checked the battery status, the screen uses about 55% to 70% of battery. Its display is of 720p. How ...
0
votes
1answer
118 views

30-40% battery drain at night

I am using unlocked Samsung Galaxy S5 G900F model for 1 year. It working fine. But for 3-4 months I cannot keep my phone on overnight. It drains battery to 30%-40%. I have tried all possible solution ...
0
votes
1answer
1k views

Battery Savers with the Android 4.0 [duplicate]

Possible Duplicate: What can I do to increase battery life on my Android device? How do I save on my battery on my new 4.0 (Ice Cream Sandwich) device? All I have seen so far is a bad ...
0
votes
1answer
61 views

Moto g 2 Battery is draining within 3 hours [duplicate]

My motog 2 is draining the battery drastically as fast as it can. Please help me. I couldn't carry a charger all the tym. I have consulted the customer care service they provided me two links to ...
2
votes
1answer
893 views

How to have a long Standby and Battery -life? [duplicate]

Possible Duplicate: What can I do to increase battery life on my Android device? My Huawei Android is dead after one day. I am looking for ways to extend the battery life a new Android ...
0
votes
0answers
24 views

Proving a friend that I didn't hung up on him,my battery was dead

As the title says already a friend of mine is upset with me because he thinks that I hung on him but the truth is my battery was dead. Somehow he doesn't believe me. I'm about to go crazy. Anyway the ...
9
votes
5answers
4k 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 ...
0
votes
1answer
112 views

Samsung galaxy 3S, battery is good, phone won't charge or power up

I have a samsung galaxy 3S, about a week ago it rebooted itself, since then it will won't charge or turn back on, I have tested the battery to see if it was that, the battery works perfect, I have ...