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[Q] The screen really uses this much battery?

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I'm at like 70% battery and 25% of what's gone after 6 hours is the display, having only been on for 25 minutes total? One fifteenth of the uptime accounts for 25% of the battery loss. That makes no sense...
Is there a good way to reduce battery usage by the display? I'm running at what looks to be about 10-15% brightness, not automatic...

You're on target to get an hour of screen on time, but 24 hours total charge time. You just need to use your phone more It's probably not deep sleeping properly. Try signing out of Latitude and anything else that will wake your phone randomly... email, or facebook updating, etc. Disable background data, maybe root and setcpu and underclock/ undervolt
I came to this phone from an Epic 4g thouch, and the battery life is literally half of the 4G tocuh... kinda sucks. I blame LTE.

I'm not complaining about the battery life as a whole. That's not too bad at all, I'm more confused as to how that much screen time really constitutes the majority of my battery use after 6 hours...

Im in just about the same boat actually, 78% remaining, 36 min screen on time which is 78% of my battery use. 5 hr 9 min
---------- Post added at 10:47 PM ---------- Previous post was at 10:44 PM ----------
zxrax said:
I'm not complaining about the battery life as a whole. That's not too bad at all, I'm more confused as to how that much screen time really constitutes the majority of my battery use after 6 hours...
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Well thats actually a good thing. The more screen time takes of battery, that means everything else is using less. On the 4g touch some people have 30-40% android system useage and their phone is getting like 7 hours out of a whole charge. You want display high, because when it's on, everyhting is working. Everything else should be sleeping when the screen is off.

zxrax said:
I'm at like 70% battery and 25% of what's gone after 6 hours is the display, having only been on for 25 minutes total? One fifteenth of the uptime accounts for 25% of the battery loss. That makes no sense...
Is there a good way to reduce battery usage by the display? I'm running at what looks to be about 10-15% brightness, not automatic...
Click to expand...
Click to collapse
Is that an ICS ROM you are running?
Sent from my HTC_Flyer_P512_NA using Tapatalk

Mi4s Battery

I was wondering if I could use a Mi4s battery in a Mi4c device. Anyone that does have both can confirm this? Or at least tell me the dimensions of a Mi4s battery and a picture to compare with mine? (I got a mi4c)
Edit:
Also if anyone found a bigger capacity battery that fits in mi4c I would like to buy!

Not a good plan, Li-ion in Mi4C, Li-Po in Mi4S... Different technologies that shouldn't really be swapped

In kernel source, actually both 4c and 4s hard coded use Li-Po.

Well, gsmarena states both as Li-Ion, output voltage of the batteries is the same, so I wonder if the plug/connector is the same and/or fits in the Mi4c case. If that is the case I will definitely buy one to use for my Mi4c because from all the tests I see Mi4S batteries last a lot longer than Mi4c for whatever the reason maybe. Maybe Mi4c batteries are lower quality (yes I'm aware that the capacity is smaller, but not small enough for that kind of difference)

I have found some photos of the batteries on Taobao (the biggest Chinese online shopping site)
Mi 4c:
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Mi 4s:
Judging from these photos, the batteries are shaped slightly differently and the connectors are at different positions. Therefore I do not suggest you use 4s battery on 4c.
Personally, I don't think Mi 4c uses a lower quality battery. It may be just software optimization issues. If you look at GSMarena's test results, while Mi 4s seems to have a much better endurance rating, the two phones are actually very close when it comes to web browsing and video playback.

Software optimization issues in a so similar MIUI ROM? Why wouldn't they implement the fixes in Mi4c also? I see that the battery is actually different. Maybe I'll search for a battery with same shape and type but more mAh

I also believe putting the mi4s battery inside the mi4c wouldn't make much of a difference even if it fitted correctly. I agree with @legacyofthevoid that the mi4c has a very low standby time, gsmarena states that as well and i can confirm on my phone that battery standby is bad, i loose around 3% overnight (sometimes 4) wich is a lot for a 3080mah battery (it shouldn't lose more than 1-2). You can also check what consumes your battery and you can see than android + android system together consume around 21% (mind you, with greenify and amplify installed - it used to consume even more) a rate than shouldn't be, in any usage scenario, more than 10%. So xiaomi is as expected not interested in fixing mi4c's standy power draw.

alexvv said:
I also believe putting the mi4s battery inside the mi4c wouldn't make much of a difference even if it fitted correctly. I agree with @legacyofthevoid that the mi4c has a very low standby time, gsmarena states that as well and i can confirm on my phone that battery standby is bad, i loose around 3% overnight (sometimes 4) wich is a lot for a 3080mah battery (it shouldn't lose more than 1-2). You can also check what consumes your battery and you can see than android + android system together consume around 21% (mind you, with greenify and amplify installed - it used to consume even more) a rate than shouldn't be, in any usage scenario, more than 10%. So xiaomi is as expected not interested in fixing mi4c's standy power draw.
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Android system alone uses around 23% and android around 9%. The others are not significant compared to this. Using latest miui dev rom from miui eu.
Sent from my Xiaomi Mi 4C using XDA Labs

[REVIEW] ZeroLemon Samsung Note 9 5000MAH Slim Juicer Battery Case

Hello Everyone,
Since Zerolemon came out with the 7500 mAh V30 battery case, I've been a believer in...second chances, and new products are my thing. So, I bought a Note 9 512 Gb for the business, and decided to try this sample battery out.
As it turns out, this battery is good. It executes 1.25 charges on average, but I could never really ring out every last drop. The stats speak for themselves.
Day one:
I was on my phone's battery for just short of 15 hours, and 54 minutes on the first day of reviewing, and I admit, I only listen to music and check my servers from this phone. SSH, maybe a little VNC, and mostly Tidal. There's the first 44% down.
Day two:
Just to make it even, I thought another 44% should do for usage, and practically do the exact same thing going to the client, and check the servers, maybe change the playlist, but not much else changed with my usage other than the time screen on. This took a little longer. 23 hours and 41 minutes.
Day three:
Hectic day at the office, and now the poor girl gets her 85% down from just rocking her world. Almost identical, but now it's cumulative in a sense.
In sum:
Bogging down the battery in spurts made the Note 9 last longer, but total gain was three hours by doing it that way. Main drain was continuous, and that lasts much less time. Draining the Note 9, and the battery case, then my Note 9 again took about 75 hours and 15 minutes, give or take.
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The verdict:
This thing saves your ass in a long trip, like a Greyhound from Phoenix to say, Seattle, but who's taking the hound anymore, besides me?
This would be righteous if you were out in the wilderness, too, and you didn't want to use the power saver feature which would extend the life quite a bit more. I'm shooting for the power user, not the camping type, but I will test using those parameters if someone wants me to. Just holler back.
I mean, who's to say that we couldn't squeeze out about 300 hours in that mode? I get power outages here in Phoenix every time it rains hard. I don't like when I'm not entertained in the dark.
Zerolemon, you guys put out a pretty awesome case.
I wanna try this 10,000 mAh battery next.

Thank you for the sharing! We'd be appreciated for any concern you have on this battery in future.

Lg velvet 4g battery capacity only 3500 mAh?

Dear community
I recently brought an LG velvet with Snapdragon 845 processor.
I installed a few apps, which can show the battery capacity.
All are showing 3500 mAh.
Even though the battery life is good and doesn't feel like 3500 mAh, but still, is there any reason for that?
Thank you for your opinions.
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Velvet 5G:
It hast 4300mAh

hitanshs said:
Dear community
I recently brought an LG velvet with Snapdragon 845 processor.
I installed a few apps, which can show the battery capacity.
All are showing 3500 mAh.
Even though the battery life is good and doesn't feel like 3500 mAh, but still, is there any reason for that?
Thank you for your opinions.
View attachment 5148463
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Hello ! 3500 mAh here also (4g) ! Is it a wrong reading from the apps? Could you please tell me how much time to charge ? My Velvet sometimes passes 4 hours to charge ! (without charge optimization)

Helder Filipe said:
Hello ! 3500 mAh here also (4g) ! Is it a wrong reading from the apps? Could you please tell me how much time to charge ? My Velvet sometimes passes 4 hours to charge ! (without charge optimization)
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Hi Filipe, no, I haven't found any more info about it. But I guess that could be some sensor issue because when I use the phone, the battery lasts pretty much fine. If it was a 3500mAh battery, then it wouldn't last the whole day.
And yes, charging time is much higher: 4to 92% in 2.5 hours with Airplane mode, sync off, GPS off and battery saver on.
Best,
Hitansh

Thanks ! I ran a 4% to 100% accubattery test and it estimated almost 4300. So , it seems ok
Do you have second screen case ? I'm hesitating , but in Portugal it didn't arrive yet ... (and I assume it steels its energy from the phone...)

How accurate are AccuBattery and Electron apps?

I have a Xiaomi POCO F3 and I've been keeping track of the battery health information using the AccuBattery and Electron apps by making an Excel document with all the data but some information doesn't make sense. How is it possible that on october 9th I charged my phone until 85% and I had a battery capacity estimate of 4 320 mAh then I unninstalled the app, didn't use it for 2 days, reinstalled it, and on october 12th it was 4 295 mAh and on october 13th it was 4 240 mAh. Doesn't make any sense. I also charged it until 100% on the 10/11 october and used the Electron app to check the real battery capacity and it was 4 490 mAh (remember that the POCO F3 has 4 520 mAh of real battery capacity). Today I charged it again until 100% and it was 4 368 mAh on Electron and 4 303 mAh on AccuBattery. How is it possible that the battery health degraded or lost that capactity in just 3/4 days?
Another example: on october 9th I charged it until 85% and the estimate battery capacity was 4 320 mAh (like I said above). Today with 100% charge it was 4 303 mAh.
Honestly I think it's impossible so I ask: how accurate is this data? And also note that I only have this phone for 7 weeks.
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It varies. Temperature effects it as well the start/end points in the charge cycle, length of cycle and rate of charge.
I wouldn't get too worked up over it.
It's nice to monitor the discharge rate to spot performance issues. I use it to monitor battery charging temperature a lot too. It's convenient.

blackhawk said:
It varies. Temperature effects it as well the start/end points in the charge cycle, length of cycle and rate of charge.
I wouldn't get too worked up over it.
It's nice to monitor the discharge rate to spot performance issues. I use it to monitor battery charging temperature a lot too. It's convenient.
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Sometimes the temperature gets to 40º C (i'm using the 33W fast charger that came with the phone) then it decreases as the battery approaches 100%. But should I uninstall these apps? I mean, some of this data doesn't seem accurate at all with some many sudden changes in a matter of days and also considering that I only got this phone 7 weeks ago...

Keep charging temperature under 100F.
Keep start temp above 72F, below this Li plating can occur.
Never attempt to charge at 40F or below.
Ideal start temperature is 82-90F.