Questions tagged [battery]

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

294 questions with no upvoted or accepted answers
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67 views

Phone only charging in offline charging (when powered off) Moto X play

I'm struggling with this issue for about two months now. ISSUE Phone, when on slowly charge to around 65% (rarely reaches 100%). Around +10%/h. Ampere reports battery overheat, when it's 25-32 C. On ...
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20 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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31 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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11 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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16 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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9 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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19 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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22 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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17 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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19 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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24 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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169 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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20 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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47 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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11 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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18 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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41 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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56 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
118 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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1answer
38 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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436 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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37 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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25 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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82 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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54 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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112 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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22 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
21 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
435 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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17 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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36 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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31 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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22 views

How to know power consumption at the moment?

From time to time my Samsung Galaxy S7 is starting to consume a lot of power, turns hot and eats 10% of charge in minutes. If I have less than 10% charge, it kills itself even if on external power. ...
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1answer
43 views

Samsung phone charges poorly, periodically

My Samsung S8+ has started having periods when it does not keep up 100% charging when connected and in simple editing usage. If I leave it idle it charges slowly and the "charger beep" occasionally ...
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61 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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1answer
70 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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1answer
22 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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283 views

Shell: get battery voltage_now if power were not connected

I am trying to make my device stop charging (echo 0 > /sys/class/power_supply/battery/charging_enabled, the easy part) when the battery's voltage reaches 3920000 µV. Using cat /sys/class/...
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188 views

Samsung Ace 4 Unable to charge message, but it does still charge

I have a problems with my phone. The phone dropped and since then I got an issue with charging it. When I plug in the charging cable I get the following message: "Unable to charge. Charging paused. ...
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44 views

Is there a way to detect if there is a power management issue with an android phone?

Is there a way to detect if there is a power management issue with an android phone? I'm rooted on KitKat if that helps. The phone in question is a galaxy note 4 if it makes a difference. The ...
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1answer
35 views

How does Android keeps track of how much battery each specific apps used?

How does Android keeps track of how much battery each specific apps used? For example, if you go to battery usage on android phone, it will say something like: Display 70% Whatsapp 25% Browser 3% ...
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61 views

What's the problem with my battery?

Well some people here have came across this question I posted few days ago. I want to inform them that I had to reflash my phone (and I'll edit the details there as recommended by @Izzy) Device: ...
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1answer
90 views

Phone shuts down at about 30% battery. When booted back up, it's at 1%

I'm having weird problems with my phone. I'll be using it normally, but at some point during my day, my phone is gonna shut down by itself. When I open it back up, the battery is at 1%, when not even ...
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1answer
113 views

SIM card detection and Battery Drain - MI Redmi Note 3

My MI Redmi Note 3 is not detecting the SIM card and the battery is getting drained in 15 mins simultaneously. Cannot connect to Wi-Fi too. Any solution?
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1answer
495 views

Battery slowly charging on Tab S

I have a tablet Samsung SM T-805 (Tab S 10.5"). Also I have Samsung A5 2016 phone and original Samsung adapter (2A 5V). I had custom OS installed on my tablet. At some moment it became to charge ...
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1answer
70 views

How should I disable wave animation

I have seen in my device running Lollipop that, when charges get below 15% the device get into Battery Saver mode, in which all the animation of the Android get disabled (like, Wave animation). So, I ...
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1k views

FTM screen cant remove battery

my phone says FTM it suggests taking the battery out but I cant remove my battery so now what do I do ?
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32 views

Battery misinformation

I have a Droid Turbo (called Moto Maxx here in Brazil) which started to show a strange behavior. With normal use, its battery decreases til 53% percent, and the phone power off suddenly. When the ...
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1answer
261 views

Music Players with Equalizer Almost Killing Battery on nubia

It's a nubia Z9 max Elite (NX518J) equipped with Qualcomm's Burndragon 810 SoC running nubia's stock ROM. I just installed and tried out Poweramp and it's amazing. However my phone got hot ...