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

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4
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0answers
595 views

Battery life in Samsung Galaxy 3

I recently updated my Samsung Galaxy 3 to Android 2.2 . After the update my fully charged battery dies in just 3 hours(without any use) and around 1 hour if I use it (talking,browsing etc). I am using ...
3
votes
0answers
137 views

Large difference in battery discharge, when Nexus 7 is on and off

My father got a brand new Google Nexus 7 II (2013) LTE tablet few weeks ago. Ever since first use, he was complying about battery discharge rate. Few days ago, I did some measures and I'm quite ...
3
votes
0answers
383 views

Android stuck in downloading mode

So what happened is that my mobile (Galaxy S4 - GT-9500) ran out of charge. When I plugged in the charger and tried to turn it on, it went directly to what I think is the recovery mode (Android logo ...
3
votes
0answers
547 views

Nexus7 Stuck in Reboot Following Full Discharge

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 ...
3
votes
0answers
291 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 ...
2
votes
0answers
17 views

How to prevent S3 from turning on when charging

I'm trying to charge a new battery with my phone turned off. As soon as I plug the phone in to the wall charger, the screen turns on and the phone tries to immediately boot instead of staying on the ...
2
votes
0answers
242 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 times. ...
2
votes
0answers
204 views

time_in_state wrong value

I've been using apps like "BetterBatteryStats" and "CPUSpy" to see what CPU states my phone is most frequently in, but both are reporting the wrong clock frequency. I can only assume they are using ...
2
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0answers
169 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 ...
1
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0answers
27 views

Battery charging however phone not turning on

A while ago I dropped my samsung galaxy s in a puddle, the phone came apart (the battery & back cover came off). I quickly wiped the parts and put them in my pocket (without turning it on), when i ...
1
vote
0answers
123 views

How can I troubleshoot what is causing 'Android OS' to eat up lots of battery?

Are there steps I can take to rule things out eventually leading to a root cause? I am currently using the latest Dirty Unicorn ROM on a Nexus 5. For the same of argument, consider the case where ...
1
vote
0answers
97 views

Is slow charging bad for the battery?

I know that charging the battery too fast can overheat the battery and shorten battery life. But is charging it slowly, e.g. from a USB 2.0 cable plugged to a laptop, also harmful for the battery? I ...
1
vote
0answers
192 views

Does GPS cause the phone to get hot?

I am using a Moto G device and I have noticed that when I turn on applications that rely on the GPS Waze or Mapquest, the device gets hot. As in hot to touch. I was previously using a Samsung Galaxy ...
1
vote
0answers
38 views

Phone turns off at random

I have a note 1 N7000, and each time the screen began flickering and after that it shut down. This got worse after flashing a cyanogenmod rom. By plugging in the charger the battery seemed empty, but ...
1
vote
0answers
204 views

Samsung Galaxy Note 2 wont charge while on and battery is discharging

So after reformatting my phone, resetting to defaults, nothing has seem to work. I even took it to my cell provider to see the tech, they didn't do anything. Whats weird is that it had 20% and so i ...
1
vote
0answers
5k views

Battery Trickle Charging, good or bad?

What are the side effects of using apps that trickle charge battery. App like "Battery Doctor". It charges around 30-50 (varies with device) mins after battery is fully charged, which results in a bit ...
1
vote
0answers
31 views

Samsung tab charging

Tab gt7500 battery went flat while downloading and now does not want to charge with supplied charger or via computer
1
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0answers
133 views

Strange Behaviour of HTC One X battery

maybe someone recognizes my problem or has had it himself. My problem is as follows: Normally I turn my phone of over night. Battery Monday evening 50%, Tuesday morning 23% Battery Tuesday evening ...
1
vote
0answers
69 views

Android battery mucking up

I have an unusual problem with my galaxy s4 battery. Screenshot (click for larger variant) Sometimes when the battery level is 85% it can shut off and when I turn it back on it can go straight to ...
1
vote
0answers
59 views

Why battery “sags” on my device and how to fix/workaround it?

Sometimes my device shows "No SIM card" status and "0%" battery and soon powers off (even if I manage to quicky connect it to USB). After powering back on it works more or less as expected. Why ...
1
vote
0answers
101 views

Exotic case of Galaxy Nexus not booting

Symptoms : Put battery into Galaxy Nexus (tried with two different including a brand new one) Plug cord to USB host or charger Large battery charge indicator icon appears in the middle of the screen ...
1
vote
0answers
216 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 ...
1
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0answers
954 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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0answers
374 views

Inconsistent battery status and poor battery performance after ICS update on HTC Sensation 4G

Recently I updated my HTC Sensation 4G from GB to ICS via official update. After ICS update, I am facing many types of problems in my phone: Battery drain - 100 to 0% within 2 hours while browsing ...
1
vote
0answers
1k views

Battery Problem in Samsung Galaxy Tab GT-P7510

I have a Galaxy Tab 10.1 (GT-P7510) with Android 3.2 and I have the following problem: I can´t turn on the tablet. I tried all the different ways with the power button, pressing 5, 10 , 100 seconds, ...
0
votes
0answers
15 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 ...
0
votes
0answers
47 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 ...
0
votes
0answers
28 views

Refurbished Droid RAZR MAXX issues

I have had a droid RAZR MAXX for about a year now, and I recently had to get a refurbished one which is giving me a lot of issues, but I cannot return on warranty. Problems include: Fully Charged ...
0
votes
0answers
29 views

Call is not logged if phone dies before answering

If my phone battery is almost dead and I get a call the phone just shuts down after a second or two (due to battery depletion). After I give it some juice and turn it on I don't see the caller in my ...
0
votes
0answers
25 views

same phones different vendor change in power usage

My wife and I both have Galaxy S5 phones. Mine is ATT and her's is by Verizon. Both were purchased as unlocked phones, both have performed very well. Up until about a month ago both of us had really ...
0
votes
0answers
53 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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
109 views

Samsung Galaxy Tab 4

I opened chrome and it shoots a notification that if I don't stayed in the page that it was opened, my battery's gonna die. The page was "top3androidapps.com". HELP. I don't know if it's a virus, i ...
0
votes
0answers
32 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 ...
0
votes
0answers
63 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? ...
0
votes
0answers
23 views

Why does Battery Doctor say my battery is 50% charged while Android says 23%?

Battery Doctor says my battery is 50% charged while Android says 23%: Is there any reason why? I use a 4200mah Extended Battery on Samsung Galaxy SIII with Android 4.1.2.
0
votes
0answers
18 views

BatteryManager inner workings

I recently installed linux on a Sony Xperia Neo (on SD), but the Android kernel remains under the hood. I've only changed kernel initrd to boot off the SD's Debian. The real question is: ¿What is ...
0
votes
0answers
619 views

Is there a Battery Cycle Counter App?

I have an HTC One M7 (4.4.2) and battery life is starting deteriorate. It maybe that I have some misbehaving apps, but I'd be curious to find out the number of charge cycles my device has used since ...
0
votes
0answers
50 views

My nexus 4 is awake 79% of the time… help?

So it's been some days my phone is keeping awake 79% of time. Below is the WLD screenshot. Screenshot of "Wakelock Detector" (click image for larger variant)
0
votes
0answers
40 views

Faulty battery status indication

I have a Huawei Honor U8860 with Android ICS. I use two Mugen Power batteries. I always use one battery until it's empty, then charge it to full while using the other battery. Recently Android battery ...
0
votes
0answers
19 views

When my android shuts down due to depleted battery, is there any recommended cleanup?

My Galaxy S3 has stopped charging via USB cable. Its a hassle but not a terribly big deal - I bought 6 batteries and two battery chargers and I always have a few fully charged batteries in my pocket. ...
0
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0answers
73 views

Battery drain RATE alert?

i've used multiple generations of Nexus devices, some more stable some less. It seems like there is always some combination of hardware, system image and installed app set that creates a situation ...
0
votes
0answers
136 views

Wiko Iggy draining too battery and strange log in the Android Developer Tool

My girlfriend complain that her Wiko Iggy (stock jelly bean 4.2.2 and stock rom) drain too much battery. I usually develop android app with ADT and my galaxy nexus, but today I tried her mobile. My ...
0
votes
0answers
108 views

How much “Keep awake” is normal for Google Services?

How much, in general, of "Keep awake", and "Wakeups" is normal for Google Services? When should I be alerted that something is wrong? For example, would 2 hours of "Keep awake" be normal for ...
0
votes
0answers
80 views

Android auto power up after getting minimum Charge

When my Samsung android phone is power off and battery is completely out of charge and after that connecting the device with charger it do not start automatically. Do anyone can give me a solution ...
0
votes
0answers
178 views

The Media process drains the battery frequently, or how to identify a process trying to use the Media?

From time to time I face with a strange issue on my Samsung Galaxy Nexus having the battery almost drained. If this happens, the battery status reports that the process called Media ...
0
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0answers
23 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 ...
0
votes
0answers
41 views

Something eating my battery

I have my Nexus 7 2013 few months. Few weeks ago, for some reason battery start draining - it was empty after one day or so. I reinstalled whole tablet, and after that everything went to normal. ...
0
votes
0answers
46 views

30% cpu usage when charger unpluged. When pluged in, cpu usage drops to 2%

I have checked by external debugger and it seems that "batteryservice:update start" runs 10 times per second. Other battery processes are running very often too, only with charger unpluged. It's brand ...
0
votes
0answers
128 views

Hardware problem: extreme battery drain

I've been experiencing extreme battery drain on my Nexus 4. Basically the phone drains 10% per hour on idle. I flashed the official Android 4.2.2 image and did a reset. I replaced the battery with a ...