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Questions tagged [battery-life]

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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18 views

Which pins to solder to make charging faster [on hold]

I need to solder charging wires directly to my motherboard in a Nexus 7 2012- I put it into my car and I just don't have enough space for the USB plug. So here is what I have done now: The brown ...
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12 views

Is there any care or what percent to charge, so battery life will be in a good shape? [on hold]

Is there any care and how to charge a battery of the cellphone, because my battery easily drains after I charge it for 100%, it would only last for 1 day. Already deleted the not necessary file and ...
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13 views

Will apps exempted from background optimization be affected by low-battery triggered energy saving?

I disabled optimization for Whatsapp. I want to limit Whatsapp only if the battery is low. Does LineageOs 14 ignore the whitelist on low battery out of the box already? I'm wondering about this ...
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7 views

HTC desire 530 battery drains fast

I tried everything to prevent my battery from draining, but noting seams to help. I've tried a new battery, power saving apps, getting rid of apps. Is this a software issue? Would a rom help with the ...
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0answers
26 views

Does Digital Wellbeing affect battery life when the phone is not used?

I know the point of this app is to reduce usage of the phone (specific apps), which results in longer battery life. And maybe reduces battery usage a little by making the screen black and white, when ...
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24 views

Battery charge drops very quickly while internet connection is on

There are many questions like this, but mine is slightly different from those. I am facing these weird problems with my phone, which are beyond my calculations: My phone's battery charge drops very ...
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29 views

Huge battery power consumption with one particular SIM card

I have a Vodafone SIM card in an Android phone. In that phone, there is a 2000 mAh battery. I had noticed that the battery was discharging very fast, about 2%/hour when idle! At that time, no battery ...
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3answers
77 views

Does greyscale/grayscale mode save battery life?

Simple question but searching I can't find much evidence. I use an LED device (not OLED), would that also make a difference?
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1answer
96 views

Is there any way to mass background restrict app battery usage?

My Pixel 2 has been experiencing severe standby battery drain (last night it went from 95-30 while I slept), and I'm pretty sure it's one of my apps' faults since it doesn't happen when I reboot the ...
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1answer
66 views

Extraordinarily fast battery consumption

I have been using Xiaomi Mi Max (4/128) (now running on MIUI 10.2.1.0) for over two and a half years and as the time passed, my battery started to die pretty quick - I used AccuBattery to check the ...
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1answer
105 views

Does Huawei's super charging affect the battery?

I have a Huawei P20 pro and it came with a "super charger" that can take full charge the phone's battery really quickly. Sometimes in less than an hour. I wonder if this affects the battery's ...
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261 views

How to add apps to “Ultra power saving” mode (UPSM)

The Samsung "Ultra power saving" mode is very useful to increase battery time, and when you are on an emergency. However, functionalities are too much limited. At least I miss note taking app and ...
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32 views

How to disable sensors on-demand to reduce power consumption?

Nowadays, any Android device has a big sensor amount implemented. It is true that most of the sensors do not require a considerable amount of power for their operation. But the sum of the power ...
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26 views

Is the phone ONLY powered by external power (wireless charged) when battery reports full? [duplicate]

I read conflicting reports so i am asking this for 100% clarification: This the scenario: Lets say im an Uber driver and I need to have my phone ON all the time ( Waze, Google maps, etc ). Its on a ...
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1answer
42 views

Is your Galaxy S7 running slow after 11/2018 T-Mobile update?

Several days after receiving this update my phone became sluggish to do anything. Simple things like: swiping to answer calls is taking 2-4 seconds, lighting up a screen when the call is incoming is ...
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1answer
40 views

Battery shuts down at 25%

I've read that battery calibration apps are only a placebo effect and they do nothing. Is this true? What to do if your phone suddenly shuts down at 25%?
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0answers
47 views

Why are apps given the right to run whenever they want even when they keep the phone awake?

This question is quite related to (and could end up being closed as a duplicate of): How can I stop applications and services from running? I would probably just comment there to get clarification ...
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2answers
914 views

How do you view battery usage on Android Pie?

In old Android versions, I would commonly go to view my battery percentage in the options to make sure that none of the apps running in the background were burning out the battery. In Android Pie, ...
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1answer
57 views

Change battery meter behavior

I heard that charging li-ion batteries to less voltage value heavily increases number of (charge-discharge) cycles, while decreasing phone work time(energy return from charge) only for a little. ...
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3answers
6k views

Schedule power off/on in 8.1.10 Oreo

I just got a new 'phone running Android 8.10 Oreo, and I can't find the schedule power off/on anywhere. Has the feature been removed? If not, where can I find it; I realize that this might vary by ...
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1answer
41 views

Do Samsung batteries actually charge to 100% capacity?

My understanding on Li-on batteries is that they don't like to be charged to 100% capacity and that it can prematurely degrade the battery. Something to do with voltage increasing and heat at the last ...
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0answers
29 views

CPU throttling during Web browsing for battery preservation - counterproductive?

The power saving feature in Android (I'm mainly familiar with Samsung phones so this might not apply to all brands) throttles the CPU in order to save battery. If the phone is being used for Web ...
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1answer
24 views

Nexus 9 WiFi tablet permanently in awake state

I've recently been observing heavy battery drain during idle periods on my Nexus 9 tablet. The key here appears to be the awake status of the tablet. The left hand side of the picture shows a solid ...
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1answer
27 views

How to reduce power consumption? - Honor 7

so I have an honor 7, had it over 2 years now. It has seen better days, I need a new phone however don't have the money as of yet. The phone must always be connect to a charger, using a fast charging ...
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1answer
335 views

Difference between system files charging_enabled vs battery_charging_enabled

I have a oneplus2 and I need to know the difference between charging_enabled vs battery_charging_enabled files present in /sys/class/power_supply/battery I am using an app called Battery Charge Limit ...
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0answers
25 views

Is this normal? My Samsung Galaxy S8+ went from 100% to 42% after 12 of 14 hours of little to no use

I mainly just used it for NFC pay and messing around with bixby/google assistant for like max 10/15mins. Samsung power saving mode has been on the entire time. I haven't had a new phone for a long ...
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0answers
120 views

Battery drain by 'miscellaneous'

Hello Stack Community, recently I see a weird battery drain by something my phone identifies as 'miscellaneous' or 'other' ( called 'Sonstiges' in the posted picture). I have no idea what it could be ...
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1answer
222 views

Prevent disable power saving while charging [root]

When I plug my phone to solar cell cpu optimisation turns off and the speed of discharge increases severalfold. How to prevent cpu always on when phone charging? Phone: Rooted Samsung Galaxy S III ...
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1answer
349 views

Accessibility turned back off - how to keep it on?

I'm using the app 'Automate', in order for it to work I have to turn it on in Settings/Accessibility: But after a short time I doesn't work anymore and it's back on 'off' again. I think it may have ...
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0answers
33 views

Restart charge from powerbank on rootet phone

A have rooted android 4.3 device and charge it from power bank. Charging stop after 100% and not continue after phone discharged until i unplug and plug again usb connector or push butoon on powerbank....
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0answers
404 views

Battery drain and bad mobile-data Sony Xperia Z5 compact Nougat 7.1.1

I charge my phone in the evening and have it turned off over night. So i turn it on in the morning with 100% battery. However after the 7.1.1 update the battery life has gone to shit. I used to go ...
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0answers
37 views

My S4 is acting up, Battery to blame?

So I have an issue with Keeping the phone on. I guess I should break it down into charging vs pure Battery as I can sometimes do a poor job of explaining things properly. Note: the screen glue is worn ...
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33 views

Simultaneously charging a phone and reading data from usb data pins

-Dear everyone, I'm working on a project which is a portable solar phone charger. Solar panels charge a battery, and the battery charges the phone through a usb cable. On the phone, I will make an ...
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0answers
53 views

Xperia E5 overheating and losing charge very rapidly

I've had an Xperia E5 for around 1 and a half years now. I had no problems with the phone whatsoever, it held charge for around 3 days under my usage but suddenly, four days ago it just became really, ...
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909 views

Why “unmonitored apps”? How to monitor app's power usage without restricting it?

I want to allow a certain application to run on background even in power saving mode (because I need timely notifications). I guess the only (?) way to do it on Android 7 is: Settings -> Device ...
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1answer
364 views

Cannot add gmail to unmonitored apps (battery usage) to get notifications in battery saving mode

I want to have instant Gmail notifications even in battery saving mode (which typically blocks apps from background CPU/network usage). I found these amazing instructions for Android 6, however when I ...
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1answer
659 views

Thousands of NlpWakeLock entries eating through my battery when on WiFi, but Location Services are off

I get several thousand entries a day of the NlpWakeLock under Google Play Services (I'm using Wakelock Detector Free). It's draining my battery significantly. I have found it occurs when I'm connected ...
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1answer
53 views

How long will battery last, assuming no usage

Short question: How do I find how long my battery will last, taking into account the current settings (Airplane mode, Battery saver, etc) I have enabled, and assuming I do not use it? Detailed ...
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210 views

how to solve an S7 battery drain, possibly the OS itself after latest AT&T update

After an AT&T update, my Samsung Galaxy S7 Active battery rapidly drains while using the device. Even on the charger the battery level goes down, just not as fast as when not on the charger. The ...
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167 views

Motorola Nexus 6 overheating, battery draining fast

I've had a Moto Nexus 6 for quite a while now, but last night when I picked it up for a moment it was hot enough to almost blister my fingers and uncomfortable to hold. Removing it from the charger ...
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1answer
65 views

Does the average cellphone battery protect against overcharging or deep discharging?

It's known that Lithium Ion batteries are damaged by overcharging or deep discharging. While I've seen an Xposed module which prevents the phone from charging the battery above 90%, I'm wondering if ...
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3answers
9k views

How to limit charging to 60%

My UleFone Armor 2 has 4700 mAh, but I would like to limit it to 60% to delay away the moment where the battery dies. How can I limit the charging to 60%? Lenovo ThinkPads have a built-in feature ...
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1answer
37 views

On Android 7, when using a TTS engine, would power use show for the engine itself or the app using it?

For example, would power use be attributed to a navigation app or Pico?
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0answers
305 views

Understanding Excessive Battery Drain on Note 8 (Nougat 7.1.1)

I'm suffering from excessive battery drains on Note 8, Nougat 7.1.1. The battery drain is excessive when on idle mode/when the phone is asleep. I have installed BetterBatteryStats (gave it all ...
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1answer
3k views

What resets the battery stats

I'm looking at the "Battery" section under "Settings", and there's two major sections: a graph that shows how full the battery has been over some period Which apps have used the most battery power ...
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0answers
21 views

presumably faulty battery level reading in Android 6.0 on an LG G4

I have been recently experiencing battery level drops, and to my understanding my observations may have not been documented in the same way earlier by other users. The phenomenon is similar to what ...
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0answers
44 views

Phone only turns on when it's plugged in but then works normally

The problem regards a cheap 5.1-based Android phone, manufactured by a company named Manta. A few days ago it randomly shut off on its own and it was impossible to turn it on because it got stuck on ...
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1answer
20 views

Moto G4 Play Churning Through Batteries

I have a G4 Play which I used the @#(* out of for nearly a year, until I dropped it into the toilet for 2 or 3 seconds before getting it out. The battery and SIM fell out and I put it in rice for the ...
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1answer
80 views

Change battery percentage at which phone turns off

I'm trying to completely discharge an LG G2 D800 with Android 4.1; however, the phone always shuts down at 2%, so it's impossible for me to go down until the absolute zero. How could I change this ...
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2answers
5k views

How to tame “Phone Idle” battery drain on unrooted device?

I use AccuBattery and Kaspersky Battery Life to measure energy consumption. Kaspersky Battery Life shows, that all the tasks use minimal energy. AccuBattery Pro shows, that phone uses 5-10 mAh. This ...