Questions tagged [battery]

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

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16 views

Really strange battery issue?

So, I don't have a picture, but my Android phones batter is on the fritz. At first it just started draining quickly so i checked if I had any apps that where draining it quickly but I didn't have ...
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7 views

How can I see the estimated time until battery fully charged

In all Android phones I had so far I could go to the settings -> battery and while charging a nice plot displayed an estimation on how long it will take until the battery is fully charged. I am using ...
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10 views

Force charging/rebooting an android phone

I got a new phone several monthes ago. I've basically let the old one, a Samsung Galaxy S7, sit around untouched ever since. But I recently realized there is some info etc. on the old phone I still ...
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12 views

Battery problem. “Charges” while unplugged

I could not found any post with the exact same problem as me. So, here's the deal: For some odd and unknown reason, my battery percentage increases as if it is constantly charging. Let's say drain ...
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14 views

Is it a Kernel or a ROM that provides power_supply battery files?

Long story short I was installing custom ROMs to my Android device and one thing that stays in place regardless of ROM I use is a wrong battery stats monitoring. The device always behaves like it's ...
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6 views

Multi-media library, sone problems

Can someone kindly tell me 1) how many bytes occupies the Android multimedia library, precisely the memory size of the app, and the data memory size (currently my device signals 0 B for the app!), ...
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11 views

What is correct way to calibrate battery?

I've watched videos and referred some random sites. But I'm not sure if these steps are correct. I used battery calibration app but that doesn't help. I'm using Asus Zenfone Max Pro M2. Running ...
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10 views

Honor 8 bricked after batter replacement

I replaced the battery myself. After finished, I trun on the phone, it vibrates once and the screen light up a little (hardly see it) but cannot boot. When I press and hold the power button, it turns ...
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15 views

New Samsung Note 9 battery charger compatibility

I just bought a new Samsung Note 9 (Exynos 9810). Little did I know that the model I ordered was the EU version and not the US version, so the charger I received was unusable with any of my power ...
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14 views

What is solution for automatic battery draining?

I'm using Asus Zenfone Max Pro M2. Running on pie. It has 5000 mah battery. It should long last upto two days. But hardly getting one day battery backup. Even for minimal use. And battery ...
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8 views

How to to do background restriction to all possible apps in Adaptive Battery?

In Settings > Apps, we can tap each app and apply battery background restriction. But, how to to apply background restriction to all possible apps in Adaptive Battery? Is it possible via an app or ...
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14 views

Battery Protect overrides Do Not Disturb no visual notifications

Android Pie v9 (also occurs on v8) Charge phone at night during winter. When the inside ambient temp drops to 12c or lower the large bright white battery protect notification illuminates the display ...
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14 views

Galaxy S8+ occasionally gives off a brief 5 tone signal. Why?

After two years of use my Samsung Galaxy S8+ split open. Samsung original repair shop told me the battery had swollen and changed it one week ago. The phone works, but it now gives of a signal (~5 ...
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1answer
13 views

How to turn off ultra power saving mode that was enabled for Huawei Android while it was on low power?

My Huawei Android was on low power and it proposed to turn on ultra power saving mode. I accepted it. Now I have connected the phone to the charger but I can not enable other power modes. I am going ...
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3answers
76 views

Is it true, that Trump sanctions as of 01.06.2019 have started battery drainage on Huawei Android mobile phones?

It is 1st of June 2019 and new round of sanctions have started under Trump. And severe drainage of battery of my Huawei Android phone has started as well. 20% of batter is gone under just 1 hour. ...
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2answers
296 views

Why is “mdnsd” draining my battery and how to stop it?

This process (mdnsd) had been draining my battery for a few weeks. I have not been able to find a solution after a lot of search. I don't have any drone app, Facebook app or Firefox, although it's ...
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12 views

Nokia 1 phone usb tethered to Asus 51U router..insufficient charge

works fine..unlimited data on phone with a usb cable connection from micro usb in phone to normal usb 2.0 on router. These routers can use usb connection is selected as source. Problem...the half amp ...
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21 views

How to take battery out of phone

I want to take the battery out of my LG phone, but how do I do it? Having problem with it being stuck on a Firmware Update. It is only 1 year old. Or should I take it to the AT&T store to have ...
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10 views

Can you judge a battery by idle up time?

Is how long a pixel phone lasts when idle an indication of the battery health. For instance, is the graph below a reliable indication that this particular pixel xl has a healthy battery?
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10 views

Multiple chrome tabs impact

I am interested in finding out how much impact on battery usage,data usage and memory/ resource drain does occur on my Android 8.1 (Oreo) when I have multiple instances of apps ( facebook 3 pages ...
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1answer
18 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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0answers
42 views

How can I fix a charging problem on Moto G5 Plus?

A Moto G5 Plus device (Android 8.1.0) was charging and performing normally with a healthy battery response. One morning, instead of being at 100% (expected after charging all night), the phone ...
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29 views

Where can i locate the file responsible for activating charging in my jellybean and kitkat android?

I have Tecno H3 running android 4.4.2 kitkat and Tecno P5 running android 4.2.2 jellybean. I want to completely disable charging at 85% and re-enable it at 50% without rebooting the phone. So i went ...
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40 views

Can Android stay in doze mode even with an active screen in last Android version?

First of all, sorry if this question doesn't belong here, I wanted to ask on meta if I coudld answer this, but I'm unable to. Anyway I think it fits more here than in stackoverflow. If it's not the ...
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1answer
44 views

Leaving phone plugged in all the time?

I have a spare OnePlus One that I use for home automation stuff (RM Plugin, Tasker, etc.) I leave it plugged in all the time. Sometimes the phone does get quite hot. Just today, wanting to do more ...
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0answers
48 views

Why does my Samsung Galaxy S8 Active no longer “Fast-Charge”?

I bought a refurbished Samsung Galaxy S8 Active in excellent condition about 6 months ago, and it came with the standard manufacturer-provided power adapter and cable for charging (Model: EP-TA20JBE, ...
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1answer
26 views

Power on when charging but only when battery level is greater than 20%

I have recently tried to fit a tablet into my car and I came across a problem with waking up the device without using the power button. My solution is to boot the device whenever it is charging, but ...
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0answers
330 views

Umidigi F1 battery percentage

I recently bought a Umidigi F1 smartphone, and I can't figure out how to enable battery percentage to always be displayed in the notification bar. If I go to Settings -> Battery there's no option to ...
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0answers
32 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 ...
2
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1answer
171 views

What does the charge counter in battery indicates?

I have used the adb shell dumpsys battery command on my phone. It delivers the following results (posted on the image). Most of the terms, I can understand but not the charge counter. What does it ...
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0answers
20 views

Asus not able to charge or boot

I have a strange problem. My device is Asus Zenfone Max ZC500KL. I have a LineageOS (forgot the version but Android 7 or 8 I think) on it. The battery is drained and at 0%. And as soon as I plug it ...
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0answers
52 views

How to make active the “USB connection mode” that has been Greyed out since oreo?

I purchased a new Sony Xperia X Compact a while back and ever since the Oreo update the trouble began. It drained the battery constantly and would not connect to any computer with any type of usb ...
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0answers
20 views

Android smart phone wont turn ON

When I try to turn On my LG L7, it shows Device temperature too high or low. Please move to another place to charge. And it wont turn ON. It started after I tried to measure voltage between the ...
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0answers
21 views

problems with S6 after having battry replaced

Took my Samsung Galxy S6 to a kiosk in the mall to have the battery replaced because my battery was discharging pretty quickly during use (only lasting about 2 hours). I charged the battery fully when ...
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0answers
40 views

Notification if battery drains faster than N% per hour?

Is there any app or other tool to trigger a notification if the phone's battery drains faster than a certain amount per hour? Note that I am not looking for notifications about apps using too much ...
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1answer
35 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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18 views

Galaxy S7 turns off suddenly

Yesterday I noticed that my s7 was turned off. I was unable to turn it on again until I plugged it in charge and then strangely noticed that it was not on very low battery (even if it was relatively ...
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1answer
20 views

Note 8 dies when battery is drained completely

the samsung galaxy note 8 dies when battery is drained completely and it wont start or charge unless the battery is pulled and charged and pushed back again. Why this happens and is there any solution ...
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1answer
41 views

Phone turned off for empty battery. Now it gives “No command”

My non-rooted phone (Morotola MOTO G5s Plus, bought just 2 months ago) just reached the 1% battery and automatically Powered Off. I charged it for some hours. Tried to turn it on but just the flash ...
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1answer
236 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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0answers
14 views

Phone turns itsself off and will not turn back on

Since I installed Android 9 my phone will randomly power off at any amount of battery, and will not power on unless connected to a power supply. It tends to show the Google logo, and then power down ...
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0answers
17 views

Phone won't stay on

Ok my question is regarding my lg V10 smart phone. Everything works great on it, but it is not useable or doesn't even turn on and stay on unless I've got it plugged in. Its 100% fully charged but as ...
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1answer
426 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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0answers
24 views

Nokia 3 device not starting just boot sounds in a loop?

After flashing nokia 3 firmware my nokia 3 device battery started to drain and when it gets lowered to 10% the phones dead and only boot sounds and vibrates. The device is constantly boot vibrates ...
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2answers
102 views

Macrodroid: I want a repeating alert when battery is less than/over than x%

I want a repeating alert when battery is less than/over than x%. I have a pair of alerts (Using MacroDroid) that are triggered by a battery level change. One of less than 35%, and one of more than 85%...
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1answer
70 views

Is my battery damaged?

I have an HTC 10 running stock Oreo with Sense, not rooted and S-ON. I bought this second hand and don't know whether the issue came up as the phone was upgraded to Oreo, or whether it had always been ...
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0answers
301 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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0answers
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 ...
2
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0answers
35 views

Android phone plugged into charge 24/7

I currently have an LG E440 (non-stock ROM) plugged on charge 24/7 (connected to mains outlet, not PC) as it runs several Tasker-based routines which need to be seperate from my day-to-day phone. ...
2
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1answer
39 views

OnePlus 3 repair issue [closed]

The screen on my OnePlus 3 phone was beginning to peel away from the bezel. There was already a noticeable separation all the way along the top, and the problem was spreading downward along the sides....