Questions about Battery life (how long each charge last) or/and Battery Durability (how long until it needs to be replaced) should use this tag.

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12 views

Tasker: Tablet Power State

I am trying to wrap my head around Tasker, for a seemingly simple task, but am stuck. Here's the use case: I am using a marshmallow tablet as a remote control (irule). It has a charging dock...but ...
0
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1answer
24 views

Is there a way to automate data toggle on Galaxy S7 (Edge)

I recently bought a Galaxy S7 Edge. I've meticulously gone through settings for notifications, sync, permissions to eliminate things doing stuff in the background as much as I can find, but none of ...
3
votes
1answer
29 views

How do alarms work with Period Battery Optimization?

My G4 just got delivered an OTC update (V30c-FEB-11-2016, not sure why I just got it now), that contains the troubling text: The battery will now be optimized automatically when the phone or apps ...
0
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1answer
21 views

How can I get deep sleep -> coma for max battery life as comms platform?

I'm not an Androidite, just very curious. Arduinos have a timer-driven deep sleep mode that reduces their power requirements by 1000 or so. But it's a specialized and limited device, and a building ...
0
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1answer
35 views

How to decrease screen brightness without draining extra battery

I am currently using ZenFone 5 now with android OS 5.0. Even though I've set my brightness to the lowest but it is still too bright for me, and it's battery capacity is low too... so is there any ways ...
0
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1answer
32 views

Why is my News & Weather app using so much data (and battery)?

I'm running Android 6.0 on an HTC M9. In the last 13 days, my News & Weather app has used 1.37GB of data. In that same period, Google Play Store used 1.22GB. For a few weeks now I have had ...
0
votes
1answer
22 views

What is the regular Nexus 5X autonomy?

I bought a Google Nexus 5X a week ago, and I'm surprised by the autonomy. Being 100% charged at 9:00 AM, at ~7:00 PM the battery is empty. I use about an hour of Spotify a day and Facebook & ...
3
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4answers
86 views

Samsung galaxy s5 battery Drainig fast

My device is Samsung Galaxy S5 SM-9000H. It's Battery drains very fast, even when screen is off. It drains 70% in night. It remains only 10% after 70% without doing anything. Does anyone have ...
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1answer
36 views

Nexus 5 battery inaccurate

My Nexus 5 is very inaccurate with its battery life, it will usually die at about 90-85% but occasionally it goes to ~40% before dying. is there anyway for me to tell it "Hey! You have 0% battery, fix ...
0
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1answer
410 views

New CPU spinning problem

I have a number of phones, a few droid 3's running 2.3.4 and some samsung S2s running 4.0.4, that all at the same time started having the exact same problem last week. They just started spinning cpu. ...
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0answers
174 views

Samsung Galaxy Note 4: greyscale mode disappeared after upgrading to marshmallow

Today I've received the late Marshmallow 6.0.1 update. It has some unpleasant side effects: Battery is draining fast Greyscale mode has been disappeared A very ugly grey bar is showing whenever ...
2
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0answers
40 views

Persistently or aggressively enabling Battery Saver

I love the Battery Saver feature. When I'm travelling or in other situations where reliable communication is more important than user experience, I want to always have it enabled, sometimes for days ...
0
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1answer
39 views

Android Batterystats Report

I'm working on a research project about Android smartphones power consumption. Using "adb shell dumpsys batterystats" interesting stats can be obtained. For example: Statistics since last charge: ...
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3answers
92 views

Mysterious battery drain

My battery has dropped more than the sum of the usage by all of my apps. Has anyone ever experienced this before, or know where the rest of my battery is going? Click image for larger version
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0answers
35 views

Setting up super-minimalistic phone for the sole purpose of GPS-tracking my car

Background I'm considering using my old Galaxy S3 as a GPS tracker in my car. I'm not necessarily worried about theft, but I'm a statistician at heart, and I like seeing data pertaining to my own ...
1
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0answers
52 views

How to make Snapchat use less battery/network?

I barely use Snapchat, less than 10 text snaps per day, only one or two 300KB pictures, and I almost never watch nor send videos. I never use the rightmost activity (branded content). Despite this ...
3
votes
0answers
51 views

Force “Battery Saver” mode in Android Lollipop Cyanogenmod

Forcing "Battery Saver" mode seems to be possible via Settings -> Battery -> Battery Saver -> On using some Lollipop phones, but on my CyanogenMod 13.0-20150316 there is no such option: ...
0
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1answer
100 views

Does You Android drains battery after system update?

I've recently received 2 updates for my Samsung Galasy S5 (SM-G900F) Android 5.0 There was security patch 2015-05-01, and some other update. I can not prove that, but my battery drains like 3x ...
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0answers
35 views

Charging Behaviour Changed After Using Car Charger

On a recent road trip, I used a car charger to re-charge the battery on my Nexus 5 phone. Ever since, I have noticed a significant increase in the time required to charge the battery, even when using ...
0
votes
1answer
40 views

Locking the speed of the cpu on an android phone

The battery life of my cell phone lasts for about 6 hours. About 2 days ago I downloaded the app CPUControl to reduce the speed of my CPU. This resulted in more than 20 hours of battery life. However ...
0
votes
1answer
126 views

Nexus 5X, Gmail draining battery after may update

Ever since the may update, the gmail app has been consuming a crazy amount of battery. My battery used to last like 16 hours, now it's only like 5 hours. Anyone else experience this?
0
votes
1answer
45 views

Interchanging battery with a higher capacity battery

My Redmi 1s has a battery capacity 2050mAh (BM41). And the upgrade of the phone is Redmi 2 with capacity 2200mAh(BM44). Can I use this battery if it fits in my device? Will it creates any software ...
8
votes
1answer
123 views

Is battery consumption linear?

I am benchmarking an app using the batteryhistorian. The result is a chart where every percentile is a "tick". After I've measured the battery consumption and let the battery drain to half, I would ...
0
votes
1answer
59 views

How to find out which apps are draining the battery?

I'm not sure when it started, but my phone is draining its battery even when being charged. It's likely to be caused by some apps I installed recently. How to find out which apps are causing the ...
0
votes
1answer
54 views

Are wakelocks only when screen is off?

If so, can I block all third-party app wakelocks since I want the apps to run only when my screen is on? I understand that this would break some functionality like receiving whatsapp messages when ...
1
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1answer
48 views

Help me save battery, BBS dump included

I got fed up with my Android battery life and thought I should use it only when really required. Hence, I installed minimum number of apps. I have runtastic, runkeeper, gps status toolbox, ...
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votes
2answers
143 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 ...
0
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0answers
11 views

Is auto-sync really the biggest battery killer? [duplicate]

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 ...
1
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0answers
102 views

alcatel onetouch FierceXL battery is draining too fast

I've only had my onetouch for 3 weeks now and all of a sudden the battery started draining rapidly, even when I plug it into the charger, and charging very slowly. If i use the phone at all when its ...
0
votes
1answer
84 views

Android logcat which app spams logcat

On my Oneplus Two android phone I recently updated to android 6.0. Since then my battery life has decreased drastically. Plugged into my computer I saw that a app is spamming the logcat even when the ...
3
votes
0answers
83 views

Powersave governor VS Marshmallow Doze

After searching on Google and XDA for an answer (which I didn't find), I decided to pose this as a question here. So, I guess that the majority of us know about the so-called big difference between ...
1
vote
1answer
99 views

NFC battery draining through constant use

Does putting a device that constantly checks/uses NFC affect/drain the battery? One example is Dimple IO which puts NFC buttons on the back of your phone.
0
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1answer
27 views

Does boot take up any significant power?

If I wanted to conserve energy, and needed to check on my phone once every while, would turning the phone off and on every 30 seconds actually conserve more power than if I had it on all the time? ...
0
votes
1answer
40 views

Unexpected system app battery usages

Today, I have noticed that, an application named kworker/u:4 using phone's battery. I haven't seen this app before on battery usage section. Also, I have noticed kswapd0 application using battery, ...
0
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0answers
115 views

Where is the “Process Stats” screen in Marshmallow?

In earlier versions of Android, there was a screen called "Process Stats" inside the "Developer options". But it seems to be missing on Android Marshmallow. Does anyone know if its been moved or ...
2
votes
3answers
630 views

Why Google play services not included in Doze mode

I'm using Nexus 5 and 6P, Android 6 having a feature called "Battery optimization mode" or Doze mode (in short). It is allowing apps not to run, if they aren't used to avoid battery consumption. ...
1
vote
0answers
78 views

Galaxy S6 Battery Drop

I have a Samsung Galaxy S6, Stock ROM, running Android 5.1.1. Last night, as I was browsing on my phone before I fell asleep, my battery dropped from 19% to 15% in an instant, engaging power save ...
2
votes
1answer
82 views

Power consumption of audio over OTG cable

I recently found that if I connect a USB pair of speaker/microphone using OTG cable to a phone, it becomes the audio device by default, and I can actually play audio over that. It happens that the USB ...
1
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1answer
27 views

What percentage of screen power usage is healthy?

Using GSam, the screen uses about 50% of power compared to apps. Is this normal/healthy?
0
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0answers
71 views

Android up-gradation to 5.1 causes lots of issues with Moto G(1st Gen)

Yesterday I upgraded OS to 5.1 lolipop from 5.0.1, Since then I started to face many issues with my phone (Moto G-1st gen.) SMS not receiving Contact list seems empty (completely non-functional (...
8
votes
0answers
290 views

How to diagnose battery drain on Android device using logcat?

I have been facing a severe battery drain issue on my official Cyanogenmod custom ROM. After discussing it on community forums, it was suggested that I use logcat for troubleshooting the problem. ...
0
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0answers
139 views

Doze not activating, Nexus 5, Android 6.01

I decided to try out Doze last night. My phone (Nexus 5) was charged to 100%, then I unplugged it shortly before going to bed. This morning, the battery was down to 58%. Therefore, it seems that Doze ...
1
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0answers
33 views

Show “battery so far” chart instead of the “projected battery life” chart in Marshmallow

After the update to Marshmallow, I notice the battery level chart is different that I had it with K. In KitKat, the chart was "last charge until now" long, but in Marshmallow it is "last charge until ...
1
vote
1answer
54 views

WiFi only working while charging the phone

I am being experiencing this very strange issue in the last couple days. I have a Samsung Galaxy S3 Mini with an (unofficial) build of Cyanogenmod 11. Is has been working fine for the last year with ...
1
vote
2answers
87 views

What to do after replacing the phone's battery?

I have a Nexus 5 (1.5yo; I know, it's old but still worthy!) and the boy was heavily suffering from short battery discharges. I'm a phone heavy user so I figured out I had depleted the battery's life, ...
5
votes
1answer
891 views

Mysterious heavy battery drain during device sleep since update to M

I recently updated my Note 3 to Marshmallow, using the resurrection remix rom, and I am experiencing excessive battery drain I cannot pinpoint the source of. I am a very light device user, prior to ...
1
vote
1answer
999 views

Fast Charging by Qualcomm 3.0- impact on battery?

I am thinking of buying HTC one A9 My only concern is with fast charging . I have read this thread How does fast charging work? and understood the downside is mainly on battery life. Accepted answer ...
3
votes
1answer
135 views

Android definition of charge cycle?

Battery life is measured in number of charge-discharge cycles. Charge Cycle wiki says Apple Inc. clarifies that a charge cycle means using all the battery's capacity, but not necessarily by full ...
5
votes
3answers
241 views

Why does my phone automatically power off when there is still 2% battery?

My Moto X Play on Android 6.0 would automatically power off when the battery displays 2% remaining. When I try to turn it back on, I would get a "low battery" symbol, which means my phone didn't ...
1
vote
1answer
94 views

How to fix sudden charge drop in stand by?

I have an android device running Lollipop 5.1 (the brand is local in my country) which has a battery draining problem in stand by mode. It drains about 10% of battery every hour or so without ...