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

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49 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, ...
7
votes
1answer
380 views

Battery Stats Are Vastly Incorrect

After updating to 6.0.1 (MMB29K) from 6.0.0 (MRA58R) I have come to face a very odd and never seen before issue. My battery stats are wildly wrong. My stats show 4k% or higher and no battery stat ...
0
votes
1answer
103 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 ...
5
votes
2answers
160 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
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1answer
144 views

I have moto g 1st gen charging very slow

I have Moto G 1st Gen now the problem is charging is very slow it takes about 3 2 and half hours to full charge what to do now? should i buy new battery..??
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1answer
182 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 ...
0
votes
0answers
237 views

Cyanogenmod 12.1 Battery Drain + Android is starting… optimizing app + Bootloop

I have PhilZ Recovery installed and Cyanogenmod 12.1 for my Lenovo A536 anyway last night my phone died due to low battery and when I charged it using a wall charger(My rom doesn't support offline ...
4
votes
1answer
122 views

Battery level always 42%

I purchased a second hand nexus 5 to find out that the battery indicator is always showing 42% and never updates, regardless of the actual battery charge level. I tried replacing the battery with ...
0
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1answer
70 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 ...
0
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0answers
51 views

Troubleshoot 6P that does not Doze

Got my 6P a few days ago, and it just won't Doze. It loses 50-60% battery overnight. The sum of percentages used by the different apps are way below this. I've installed some apps and switched to ...
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1answer
104 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 ...
3
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0answers
168 views

Why is a suspicious program draining my battery with GPS usage?

Phone : nexus 5 version 2013 Android version : 6.0 Kernel version : 3.4.0-g2aa165e Build number : MRA58N For the last few days, 10118 has been draining my phone's battery. It drains battery by ...
0
votes
1answer
96 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 ...
23
votes
7answers
3k 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 ...
1
vote
2answers
58 views

does restrict background data hurt performance of phone

Do I "restrict background data" yes or no and does it have more negative side effects than positive?
0
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1answer
136 views

Moto G 2 (2014) Not Charging!

My phone is a Moto G (2014) XT1068. It has recently stopped charging for some reason. This morning it was charging and tonight, it decided that it would be a prick and not charge. Anyhow I tried ...
1
vote
1answer
76 views

How is an “average use” defined in terms of battery life

It is common to see better battery performance being touted as a selling point, when phones are announced and when they but the market. And the claim typically goes like "lasts xx hours on average ...
1
vote
1answer
79 views

s4 turns off when on battery

Hi I have a Samsung s4 I9505 running android 5.0.1 stock The problem I'm having is that if I try to turn on my s4 while running on battery it never passes the Samsung boot logo, it turns off ...
0
votes
1answer
1k views

How does charging battery in normal, speed and trickle affect battery life?

Battery doctor uses different stages of charging: speed; continuous and trickle (keep charging when the battery is full for some time) does this really extend battery life? and can an app change ...
1
vote
1answer
353 views

Google Account Sync, high battery usage of Google Play Services

I have a similar question like this one. I recently (since 2 days) also have a very high battery wastage (keeps only less hours while it used to keep the whole day). In the battery settings the chart ...
2
votes
1answer
73 views

Phone got blazingly hot and started to act glitchy

My phone is LG D855 also known as G3 international variant. I had my phone in my pocket normally. After picking it up after 45 minutes, it was hand-burning hot and nothing on the phone was working ...
0
votes
0answers
172 views

Bought a new Battery yet Galaxy Note 4 still won't charge still says “battery temperature” too hot. When it is not

Bought a new battery and yet my Galaxy Note 4 still won't charge. It still says "battery temperature" is too hot when it is in fact at room temperature. A few weeks ago my phone stopped charging ...
2
votes
1answer
419 views

Samsung Galaxy Tab Pro 10 discharging even when connected

My Samsung Galaxy Tab Pro 10 (SM-T520) will discharge when connected. While the battery icon shows that it's charging, the tablet will still discharge, albeit more slowly than when not connected. This ...
6
votes
2answers
3k views

Can Android app repair battery's bad cell?

I know this was covered in a different post, but I've been wondering how this app can actually make a difference in battery life. I've tried many of these, and "Repair Battery Life" is the only one ...
2
votes
3answers
2k views

Android dies at 20% battery?

It all started about three months ago when my HTC One (M8)'s USB charging port died. At first the port would sometimes not work, you just have to move the cable around a bit for it to charge, then you ...
0
votes
3answers
262 views

AndroidOS draining battery massively on Android 5.0

I have an ASUS Zenfone 2 with Android version 5.0. All of a sudden today it started draining the battery rapidly. I have made multiple restarts but it didn't help. I tried to scan the phone with ...
0
votes
2answers
108 views

Phone is discharging extremely fast.. How to stop this?

I'm a moto gen 2 user, my phone is discharging extremely fast.. Just switches off overnight even with >50% charge .. But I'm able to charge properly.. Takes long, but its fine.. Tried the factory ...
2
votes
1answer
3k views

WiFi drains battery even if it's off

On my Nexus 5, since Android updated to marshmallow, the Wi-Fi is draining the battery way too fast, even when disabled. See the screenshot: (Click image to enlarge) I've seen this question: ...
0
votes
1answer
89 views

Google Maps consuming battery

I've recently updated Google Maps to version 9.16.2 and it is draining battery like anything. I tried disabling it but it starts again and again and consumes battery Screenshot (click to enlarge)
0
votes
0answers
68 views

Battery level calibration after replacing battery [duplicate]

I've been using Xperia ZL C6502 for 2 years. It doesn't have a direct battery replacement facility. I disassembled the phone and replaced the battery with a new one. The new and the old batteries have ...
0
votes
0answers
64 views

High CPU caused by sp1 process

I have a Samsung Galaxy Alpha and I have a problem. Sometimes a process named sp1 starts to run 100% on a single thread, causing a constant 12% of CPU (I have 8 cores). I don't know how I can ...
1
vote
0answers
566 views

Why “Services Exchange” drains my battery since Marshmallow update?

I have a simillar problem since Marshmallow. Unfortunately, as suggested I did clear the cache and I did a factory reset but the problem persists... "Services Exchange" continues to drain my battery ...
2
votes
1answer
75 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 ...
1
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2answers
406 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 ...
0
votes
0answers
145 views

How does the android system calculate remaining battery time

I am aware that the Android OS when calculating time left it cannot really calculate true usage, and an A.I. algorithm that would learn how you use your phone and give better estimations would ...
11
votes
6answers
33k views

Strange WiFi battery usage on Marshmallow Nexus 5

I have a question about the WiFi battery usage on the Nexus 5. In the first screenshot you see my battery/WiFi usage. The second screenshot shows the battery/WiFi usage for the Nexus 5 of a colleague ...
1
vote
1answer
998 views

Google Music eating battery life while idle

Device: X9076 Find7, Nameless ROM 5.1 gMusic is hammering my device. Normal battery burn is about 4.8% per hour. Fine, I can live with that no problem. I've used GMAA since it became available but ...
1
vote
0answers
301 views

Phone's battery is draining unusually fast even when not in use

The hardware I'm using: OnePlus One, bought late december 2014 Stock Cyanogenmod, version 12.1 - YOG4PAS1N0 (= Android 5.1.1) no apps to improve battery life in any way Basically, the battery is ...
1
vote
1answer
119 views

Nexus 5 weird charging behaviour

I've had my Nexus 5 for about a year and a half now, but lately it's showing weird charging behaviour (check battery history graph): I leave it charging every night and it's supposed to reach ...
0
votes
0answers
126 views

Battery draining really, really quickly

This issue first occurred in Android 4.3, then my mobile carrier (EE) released an update for Android 4.4.4 to my phone. I upgraded it, and the battery issue got worse. At 30%, the cellular network ...
2
votes
2answers
93 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 ...
0
votes
0answers
451 views

Is my HTC One M8 battery broken?

Hi I have my HTC One M8 which acts so weird, so what happen now when I plugged it a power outlet while the phone is turned on it doesn't charge, when I pull the micro usb cable and plug it again to ...
0
votes
3answers
368 views

Facebook Messenger consumes a lot of battery even if no messages are sent/received

I recently installed Facebook Messenger and it seems to be consuming a lot of battery, even if no messages are sent/received in a day. Below is the battery usage for reference. As you can see ...
1
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0answers
78 views

Unexpected crash / phone randomly turning off

i have a samsung s5 with lollipop installed. The phone seems to randomly turn off. The phone enters a boot loop until i plug the charger in. It has happened several times, but i don't know how to ...
0
votes
0answers
294 views

A328 lenovo battery doesn't charge beyond 5% even plugged in for around 10 hours

Although my phone is plugged in and the icon of charging is visible, after 10 hours or so my phone still shows low battery. Sometimes it works and I can charge it but for the last couple of days I ...
8
votes
1answer
4k views

How to measure battery capacity (mAh)?

I've bought an Android device (Motorola Droid 4) online yesterday, the seller claims that it's 3300 mAh (and that's one of two reason why I bought it), but when I receive the device and check it, ...
1
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0answers
412 views

How to care for a lithium-ion battery so that it will remain useful for as many years as possible [closed]

My question I own an Android smartphone with a lithium-ion rechargeable battery. I want the battery to remain at least somewhat useful as long as possible — even for five or ten years, if such ...
3
votes
1answer
191 views

How can I diagnose the battery issue?

My phone's OS is cyanogenmod 12.1 with Android version 5.1.1. Recently I found a battery drain. I set up the airplane mode but after a night the battery went from 100% to 41%. I viewed ...
0
votes
0answers
6 views

can't do battery checks

On my Sony Xperia E C1505, I can access the service menu via dialing ##7378423##. If I then got to the tests menu, I can test the battery. However, the start level is at -1% somehow, meaning I can't ...
1
vote
1answer
133 views

Karbonn A52+ automatically turns off constantly

I'm using a Karbonn A52+ running Android 4.2.2. I have been facing a problem, many times, in fact, most of the times, when I'm using my phone, it automatically turns off (Not when the phone is not in ...