Questions tagged [battery]

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

296 questions with no upvoted or accepted answers
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38 views

can I replace my tablet battery with a phonoe one

I have a tablet with 3.7v li-ion battery which lasts few minutes on ... and an old phone with the same type and voltage battery can I replace tablet battery with this one? and how?
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1answer
397 views

Battery warning (?) No words, just an image:

Yesterday, I connected my Huawei u 9805 smartphone to a reliable USB charger when it was at 11, 12, or 13 % (I don't remember, but I have occasionally waited much longer - it warns at about 7 %, I ...
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624 views

Battery draining within seconds

I have a Samsung Galaxy S II GT-I9105. My problem is battery draining. It works normally after I charge it to full, but as soon as the battery percentage hits 30%, draining accelerates and will go to ...
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1answer
89 views

Battery Draining Faster than expected

Can someone help me take a look at my stats? I was wondering why my phone is draining faster than I thought it would. As you can see, it's down 98% and Screen is on for just 7M in 23minutes time. ...
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1answer
1k views

YouTube app holds a long wakelock. What app settings can I change to keep it from doing this?

I am using an HTC Evo 4g with Android 2.3.5 Gingerbread. I'm trying to deal with apps which keep my phone from entering sleep mode, and the YouTube app is a major offender. With downloaded apps, ...
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248 views

Bizarre new battery behavior on Samsung Galaxy S3

After my old battery puffed up, it was time to buy a new one for my Galaxy S3 (GT-I9300) on stock ROM. After I got my new battery, I put it in and turned on the phone as I had some urgent messages to ...
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1answer
149 views

Power Android phone with portable battery charger and internal battery removed

Is it possible to power an Android phone (e.g. Samsung Galaxy S II) with its internal battery removed, using a portable battery charger? This question is about phone with internal battery that is ...
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1answer
494 views

Why does my battery show more charge before restarting than after?

My battery shows that it's at 50% and after restarting my phone it shows 30%. Another time it was at 40% and after the restart it became 5%. The device is a Samsung Galaxy Grand Neo, not rooted and ...
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1answer
255 views

Charging issues for Samsung Galaxy S2

Just wanted to see if anyone knows what is going on with my Samsung Galaxy S2. The problem is that when I fully charge the phone normally at night I have sometimes turned the phone off after it is ...
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1answer
86 views

Remote Battery management service while SureFox Kiosk is running

I am running PAW Server and SureFox (a kiosk browser) to run some webpages. However, I am experiencing significant battery drainage, and I would like to track battery usage by services as the programs ...
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1answer
209 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 ...
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0answers
68 views

ServiceProvider eating my battery after SIM unlocking

I had my Samsung Galaxy S3 SIM unlocked last week. It runs a rooted Android 4.1.2. Since then, I've noticed that ServiceProvider is consuming much more battery that I have ever noticed before. Can SIM-...
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0answers
66 views

Running an Android phone as a pure phone - disabling the computer part

This question is not about pre-installed apps but more about apps which are part of Android. What are all the apps (which come in the factory condition) which I can disable if I am planning to use an ...
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2answers
2k views

Battery Status problem

I recently updated my Note 8.0 Wifi from 4.1.2 to android 4.4.2, and shortly after that rooted it (But kept the stock 4.4.2, NO custom ROMs or anything...). Of course, as I knew, the battery ...
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0answers
387 views

Battery voltage

I've just bought a replacement battery for my phone, it's exactly the same 1200 mAh 3.7v however when I look at apps showing battery info they say the battery voltage is 4mv. So what does this mean? ...
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1answer
141 views

Android: Default Battery Percentage Level for individual services to switch off

We all know Android OS switches off services one by one when the battery reaches critical level. But is there any fixed battery level to cut down individual services. For example, Bluetooth will be ...
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1answer
501 views

Battery dropping from 90% to 0%

I've had the same device for quite some years now, and played a lot with it changing ROMs a few times. Recently I've been experiencing sudden drops in battery charge, here's a screenshot: Battery ...
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1answer
5k 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 ...
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1answer
154 views

Poor Performance at Low Battery

I'm having an issue where my phone gets sluggish and non-responsive when the battery level gets to around 35% or less. Apps will freeze, it will take the keyboard a long time to appear, and the ...
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0answers
65 views

Is it possible to infer ambient temperature from battery temperature?

A few questions here and at Stack Overflow make battery temperature available for the inquiring minds: Get temperature of battery on Android How does Android obtain battery temperature Yet, I'm ...
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1answer
69 views

Battery of Nexus 7 started draining

I've had my Nexus 7 2013 for a few months. A few weeks ago, for some reason the battery started draining - it was empty after one day or so. I the reinstalled whole tablet, and after that everything ...
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1answer
63 views

What are the hardware requirements for Battery monitoring?

I looked at the hardware compatibility list, but there is no mention for a requirement of a battery monitoring functionality in the hardware. But, all phones display the battery level with the ...
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1answer
534 views

How can I increase my samsung galaxy fit's battery life?

I'm using Samsung Galaxy Fit(S5670) and running official 2.3.6 version. My battery's capacity is 1350mAh. Can I increase this capacity to 1500mAh or 2000mAh?
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0answers
54 views

How do I decide what car charger I need to buy?

I am with Nexus 5 and finding it difficult to decide on what car charger or car dock with charger I need to buy. As there is no accessories from parent company (LG or Google) I not sure what charger ...
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0answers
173 views

How to disable/remove ALL cell functionality

I have a Kyocera Event (Virgin Mobile) running stock Android 4.0.4. This is only used as a media player for about 90 minutes ONE DAY per week. I am looking for a good way to extend battery life as ...
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1answer
657 views

Nexus 7 refuses to boot unless plugged into outlet

I've looked around the internet for this problem ad/or solution for hours and have found absolutely nothing on this problem. My tablet is brand new, straight from the box. When i have it plugged in ...
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0answers
596 views

What would cause a sudden spike in the battery charge level?

Today I spotted something this on the battery chart : graph of battery history showing a massive spike (click for larger variant) What is the reason of such erection ? Hardware problem ? Or maybe a ...
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1answer
348 views

Nexus 4 won't charge through laptop on low power

When my Nexus 4's battery is less than 5%, it won't charge while connected to my PC, but I can charge by plugging my Nexus 4 the wall adapter. I believe it is a hardware problem. Can you help me?
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1answer
1k views

Nexus 4 wont hold charge after screen and battery replacement

I've just replaced my broken screen and put a new battery into my nexus 4 following this you tube vid: http://www.youtube.com/watch?v=AZDAIgwbXk4. When I first plugged in the charger (1A generic usb ...
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1answer
112 views

short battery life

I have a gs3 running slim bean, and the battery life seems horrible to me. I woke up this morning at 8:00am with 100% battery life and by 1:30pm it has gone down to 23% I have been I barely use the ...
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0answers
534 views

unable to charge Google Nexus I9250

I am unable to charge my phone most of the times. When I connect my phone to the USB cable which is in turn connected to the computer or charger, most of the times (about 90 percent), I am unable to ...
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1answer
563 views

Samsung Galaxy s3 Battery life

How long should a Galaxy S3 battery last? My phone is brand new and today it was on standby for most of the day (it dropped 10% while being on standby for 3hrs), I only used the internet for about an ...
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0answers
3k views

Charging paused, battery temperature too low

I dropped my Samsung Galaxy S2 in water, and now when I plug it in I get a message that says: Charging paused, battery temperature too low Is there any way to fix this?
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0answers
918 views

Does the Nexus 4 battery drain faster if it has no SIM card inserted?

Does the Nexus 4 battery drain faster if it has no SIM card inserted?
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1answer
421 views

Motorola Defy in a reboot loop

I bought a new Motorola Defy today. The phone switches on then asks to be connected to a Google account, I try to type in my login details and it reboots. The battery shows 100% but when in switch ...
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1answer
38 views

Battery was once swollen, but is now normal

My tablet (specs below) has a swollen battery, but is now normal (back to its normal size). It was swollen many years ago, so I just left it. Now, I just found it and it is now unenlarged. I don't ...
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4answers
2k 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 ...
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4answers
252 views

Nexus 4 charging/uncharging while plugged in

I have a problem when charging my Nexus 4, I tried looking around to no avail. My problem is that when I have my phone plugged in to charger it doesn't charge, Instead it flickers between charging ...
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1answer
250 views

LG-P990 (optimus 2x) with CyanogenMod 7 turns off suddenly and battery indicator goes straight from 100% to 0%

I installed CM7 on my LG P990 five months ago and it worked well. Yesterday, I was watching a video on YouTube and my phone turned off suddenly. It didn't want to turn on, and then my battery dropped ...
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1answer
39 views

Android and battery issue

Recently purchased a new cord and box. It is now flashing on/off on the battery feature. Help It is also not holding the charge
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2answers
8k views

Is auto sync really killing my battery?

I have been digging the archives for eternity to find that Location Services and Auto-sync (assuming we ignored other factors such as Bluetooth etc -- because my focus is mainly about auto sync) are ...
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1answer
231 views

Lg g4 battery problems

My LG g4 has recently started losing battery very quickly and it is charging slowly with its original charger, sometimes it doesn't even charge. So I want to know what caused this because I want to ...
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1answer
114 views

My galaxy S2 battery loses all of it's charge in about 6 hours of minimal use

I switched over to an old phone (like a really old phone) from a windows phone, due to the limitations of that app store. However, I have noticed that it quickly discharges with not much use. I have ...
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2answers
608 views

what will happen if i leave my smartphone(samsung gt8150) with an already ruined battery a whole day plugged into the computer?

I use my smartphone for tethering and i have a ruined battery which will keep the device on for not more than 1 minute but can be plugged in to the computer or charger.Is it ok to leave the device for ...
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1answer
1k views

Can chinese tablet be used without a battery?

I have a Chinese tablet xpad xpod 7" tablet, bought it 2 months ago, I am already having problem with battery, it is discharging too quickly, so I want to operate my tablet without battery, simply by ...
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1answer
198 views

Possible Virus?

This message keeps appearing on my phone. There are misspelled words, and my coworker who has the same phone has never had this issue.

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