Question Battery Life

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Kubis01

Member
Sep 3, 2015
19
8
My F3 still drains like crazy. What a update fix. In Airplane mode about 8%, last night without 13%. Does anybody have a solution for this?
 
"Cleared the Data of energyapp" could u tell where and hows the exact name of the app?
Screenshot_2021-04-24-08-16-33-091_com.miui.securitycenter.jpg

It is the first entry. After clicking it i have Chosen "clear Data". Sorry for the German Pic.
 

djuroue1

Member
Nov 9, 2011
38
15
Lost 1% in 7:22h wifi off and no apps in background.This drain thing is random.Two days ago I lost only 1% and next day 30% 🥴
Screenshot_2021-04-25-06-10-46-351_com.miui.securitycenter.jpg
 

Shadeslayer13

Member
Jul 29, 2015
26
5
I lost 0% last night, Aeroplane mode on. I rebooted the phone just before setting Aeroplane mode & going to sleep. The night before it took 6%. Seems pretty random indeed.
 

hash054

Senior Member
Dec 11, 2012
293
53
Islamabad
Xiaomi Poco F3
Okay so bought a poco f3, a few observation on battery life after using for 3 days..
Firstly, the first 50 percent of the battery consumption is better than the last 50 percent, I don't know why, for example I was getting 5 hours of battery till 50 percent with out without battery saver and then 2 to 3 hours max on the last 50 percent.. Secondly the the stand by time is 3 to 5 percent for me during the night.. Thirdly, the difference between heavy use and light use isn't much because like half an hour because in light usage, the phone idle chips away the battery.. Overall I am happy with the battery, haven't been outdoors as much because of corona

P. S I use always on display at 10 seconds after usage
 

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Zenkilla

Senior Member
Apr 29, 2018
88
35
This night was draining too much battery.... I don't get it, for real. What should i do? Returning it?View attachment 5290881
Did you try clear data for battery and performance (system app) in apps, debloat unwanted apps and maybe do battery calibration (Google)? I only had 1 occasion battery drain initially. Also do you have miui 12.0.4 now? Suppose to improve battery life available for EU only.
 

djuroue1

Member
Nov 9, 2011
38
15
I debloated phone with xiaomi fatsboot tool.Deleted all xiaomis app.I deleted battery app to but it shows again.I lost 3% witch is fine but for 6h a lost 0 and than for 3h I lost 3%.Something is going on.I am waiting 7 days for xiaomi to unlock my bootloader and I will try custom rom.
 

Bamananama

New member
Apr 26, 2021
3
1
Hello people! I got my Xiaomi Poco F3 8GB/256GB 2 days ago, debloated some of the Xiaomi apps and used it a while until the battery is at 30%. Then I charged until 80%.
These are my uninstalled Apps:
1619424402829.png


and these are disabled Apps:
1619424572691.png

It appears my battery drainage, at night even after the latest update 12.0.4, is quite a lot. I had no airplane mode on but only the battery saver. I use 144hz, AOD (For 10 second after tapping), 5g and have 2 SIM cards.
1619424866558.png

1619424892628.png

Am pretty sure I could have done something better to help it but for now I just feel disappointed with the battery performance. Last thing I tried was reinstalling the update package. Will report for tonight's sleep battery drainage.
 

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Marcin_87

New member
Apr 26, 2021
1
0
Poland
Hi, I have same issue. Very light use, after charge looks nice but last night is like 20% in 7h ....(apps killed, battery saver on)
IMG_20210426_102137.jpg
 

Shadeslayer13

Member
Jul 29, 2015
26
5
I found that rebooting before going to sleep helps it. Still, some nights it takes 0% of battery, and then the next night it's 6% again for no reason. Definitely seems like a bug with the software. I might even try the automatic turn off/ on , make it turn itself on 30 min before alarm or something.
 
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OrionFOTL

Member
May 5, 2013
9
4
On the 1st and 2nd night of having the phone, I lost 30% over night both times.
On the 3rd night, I rebooted the phone before sleep and disabled Wifi and mobile data, and lost 1%.
On the 4th night I rebooted before sleep and kept Wifi on, and lost 1%.
 
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  • 14
    I see you are already the maintainer for the POCO F2 Pro build. It would be awesome if you could bring crDroid to the F3! Please keep us posted :)
    Yea I'm maintainer for F2 Pro, MI9 and axon7 but when F3 is passing the test (can resend within 30 days) and feels smooth to use I sure will be setting things up to get custom rom running.
    We'll see how things evolve.
    14
    Nice better then expected, almost 10h....
    That is so much better than I expected. I wonder how far we can stretch the screen on time by removing all the bloatware or installing a custom ROM.

    How much can we expect the battery to degrade over time? If it's 9,5 hours now, can we expect it to be ~7 after 2 years of use?
    Have bought mine since a couple of days (2 weeks waiting time) and intend to make the Offical crDroid for it and as expected this will improve drains too, especially idle which is worse on stock. Some YT vid mentioned a drop of 10% overnight where we can easily obtain ~0.3%/h idle drain.
    8
    I'm really interested in the battery life of this F3 with his 4520mah.
    As I've seen some early reviews on YT they come to the conclusion that SOT rounds about 7h...
    Ofc the 120Hz drains a lot but compared to my F2 Pro with 4700mah (60Hz), I can easily get 14h SOT on average use.
    Point is that I'm rather disappointed by the SOT with this 4520mah battery even on 120Hz. I would have expected ~10h on 120Hz with average usage.

    Would like to know your opinion on this.
    4
    I don't think the panel supports variable/adaptive refresh rate.

    Perhaps we'll just have to wait and see if the panel can do 90hz with a mod.
    Panel doesn't support variable for now but can be done on custom kernel/mods. Afaik no major problem on that.
    But a ~7h SOT with a running 120Hz on normal use and a 4520mah battery is a fairly bad result if you ask me.
    Lowering refresh rate to 90 and even 60 compromises the real value of this 120Hz screen which is one of the main reason why I would buy this well designed phone...
    4
    Sadly I have mine since 3 days ago and the battery drains very quickly. Completely debloated through adb, but the problem persists. In idle, I lost almost 20% of the total charge
    Same. Rather disappointing...
    On 120Hz I had a 15% SOT drain and this morning had lost 20% overnight (~2.5% idle)
    In comparison : my F2 Pro on latest stock rom from a user shows 7.8% SOT drain and about 0.33% idle... with a 4700mah battery.
    So do the math. Even on stock the idle is way too high.
    Going to test 60Hz for some time to check SOT as well.

    Btw, sound is amazing. As screen brightness is (better then F2 Pro). Nice blazing fast fp scanner and cool design as well ofc. Haptic is a little weak tbh but doable.

    EDIT : did some test this morning on 60 and 120Hz and surprisingly the loss was 5% on 60 and 7% on 120. Tested 1 hour playing around... so fairly ok.