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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...
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Is that an ICS ROM you are running?
Sent from my HTC_Flyer_P512_NA using Tapatalk

Battery getting destroyed lately... ideas?

Starting last night, my battery is getting destroyed when the phone is not in use. I haven't installed anything new, apps included. Running Cleanrom 4.5 DE.
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Nothing coming up on BBS. That drop was when I was sleeping. Looks like a 25% drop in the span of minutes. Same thing happened today. Went from fully charged to 90% to 59% in an hour or so of no use. And from the looks of battery usage, it was pretty much just Wifi, Network and screen. Nothing else.
Not sure what is going on really.

something is holding a wakelock during that time, at least that's what I gathered from the picture.

eak1080 said:
something is holding a wakelock during that time, at least that's what I gathered from the picture.
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Oddly, the highest wakelock was 5minutes. Didn't have any severe wakelocks. Not sure what exactly would cause a 25-30% drop.

Whole thread on this that I have been apart of. The OP actually has two issues but his second one if this issue and the one that is mostly covered in the thread. Only happens at night. Can't figure out what is causing it. I let AT&T know but they haven't gotten back to me. HTC tried to blame it on facebook. Seems like a handful of people are noticing it. Most wouldn't because they charge their phone at night.
http://forum.xda-developers.com/showthread.php?t=1881439
Where are you located?

Butters619 said:
Whole thread on this that I have been apart of. The OP actually has two issues but his second one if this issue and the one that is mostly covered in the thread. Only happens at night. Can't figure out what is causing it. I let AT&T know but they haven't gotten back to me. HTC tried to blame it on facebook. Seems like a handful of people are noticing it. Most wouldn't because they charge their phone at night.
http://forum.xda-developers.com/showthread.php?t=1881439
Where are you located?
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Went through the thread, seems similar but less extreme drop for me. I'm in Queens, NY.
Today my phone is fine... And Friday I had close to 24 hours on battery with around 3 hours screen time and 35% left.
The drop last night was from using the phone, not idle.

S6 Battery - Accubattery - How is this even possible???

Okay so I have this phone for over 3 years now as my daily phone and the battery started deteriorating fast, up to where I will only get between 1h - 2h SOT (phone was always on stock firmware and not rooted).
So yesterday I flashed Noble Nougat Rom 5.1 with Kiboi kernel.
This morning I installed all apps again and after the battery died, I plugged it in with Accubattery running.
As I write this, Accubattery says 2724mah has been charged in 1h50min and it is 90% charged. Will post a screenshot of fully charged stats.
Battery design capacity is only 2550mah. Is it possible that Samsung limits the phone not to use full capacity of battery and Kibio kernel "opens up" the bottleneck? Are the stats wrong? Does Kiboi kernel mess up charging current recognised by Accubattery? Whatever is happening is beyond my understanding and reasoning.
I ordered a S7 batter to replace the "bad" stock battery, but now the stock battery looks not so bad after all. The proof is in the pudding, however. Will see how this charge holds up and let you know.

Screenshots
Had to unplug phone at 94% to take a call. Screenshots below.
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Could be a bug.
Or maybe someone put an S7 Edge battery in your phone before you got it.

King-V said:
Could be a bug.
Or maybe someone put an S7 Edge battery in your phone before you got it.
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Between those 2 options, I'd say it is a bug, because I bought this phone new, unless Samsung put it in there for me.

Okay so I resolved that it is some kind of bug causing Accubattery not to be accurate. After 18h light use I only managed to get 2h30 SOT of this charge. Battery still sucks so now waiting for S7 battery to arrive.

2nd Charge did much better, 3h45 SOT. It felt like the battery will never die (i want to have 2 - 3 full charge/discharge cycles with new rom and kernel).
I think the new rom and kernel is a good match for the battery because I notice a significant change. Usually the battery dropped about 3 - 5% and hour while in standby, now the drop is down to about 1% per hour.
For all of you struggling with poor battery life, I suggest to flash Noble Nougat Experience 5.1 with Kiboi kernel.

Battery taking a turn for the worse?

When I first got my Note 20 Ultra (Aug of last year) the battery was amazing. Now within the last 2 months is horrible. My phone shows a full charge will last 11 hours and 51m. Just today I was out and about, unplugged at 11am est and by 4pm I was at 41%.
Not sure what has changed. Though Facebook is showing around 10-20% battery usage over the last 7 days which is odd since I'm not using it that much.

Ditch FB* and any social media that's loaded as an app... crapware.
Clear system cache.
Disable all power management.
Now see what's using the battery and if it's appropriate. Go from there.
Install Accubattery to track battery use history.
A well optimized Note should about 7-14%@hr SOT, less than 1%@hr with AOD in tap on mode at night.
After doing all this reevaluate if it's a weak battery or just excessive power usage.
*yeah I know you can't send any FB messages if the app isn't installed... ditch this malware. It's malware by design not coincidence. FB is a menace... learn or get burned.
This is my N10+, the N20U may use slightly more due to variable refresh rate and 5G but should be similar.
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Battery aging process.

Limeybastard said:
Battery aging process.
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I figure a on heavily used Note that's fast charged the battery will last 1-2 years.
My last N10+ battery failed around the 1.5 year mark. I'll probably replace now at 1 year intervals.

blackhawk said:
I figure a on heavily used Note that's fast charged the battery will last 1-2 years.
My last N10+ battery failed around the 1.5 year mark. I'll probably replace now at 1 year intervals.
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Hello stranger.

Limeybastard said:
Hello stranger.
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Greetings...
Hopefully we will both long outlive all our batteries

blackhawk said:
Greetings...
Hopefully we will both long outlive all our batteries
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Or the XDA forums

Question Battery Life

I am interested in this battery performance? What SOT are you getting? What do you get for battery time the medium power saver mode?
Any screen shots are appreciated.

It's on Friday and I feel like the first 48 hours it was draining pretty quick. I upgraded from the OnePlus 6t and I certainly feel the slower charge.
Waiting for it to fully discharge and then I'm going to give it a full charge and then I will post my battery stats after seeing how long it lasts.

Full charge before bed last night .. and I drove around a bit today with it plugged in for about 30 minutes. Going to bed now at around 50%. Not going to charge until tomorrow.
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I am still trying to figure out if I have a battery drain issue. I am getting the same usage as what I did as my A70. After full charge it says it will last around 22 hours. Usage is the same as with my A70, not sure if that is right.

[email protected] said:
I am still trying to figure out if I have a battery drain issue. I am getting the same usage as what I did as my A70. After full charge it says it will last around 22 hours. Usage is the same as with my A70, not sure if that is right.
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Standby uses about 1% for every two hours for me with Always On Display. That is always my benchmark even for my last Samsung. There's something using battery wildly if it goes too high after some many hours or even within one hour.
A hint there, try rebooting 3 times in an hour or so. My last Samsung had an issue where normally one reboot would fix the battery drain but it would every now and then require two more to fix the drain.
The battery use stats might help you narrow down to something but if not then you have to factory reset or disable or remove stuff. If its with the rom then it gets more difficult.
If you are seeing the 1% standby for even an hour or two then it should be fine there and the drain is only while the screen is on.
You might also be able to spot certain things the the logcat.

Thank you for your reply. I will try to reboot it. I have done a factory reset but it hasn't helped. I will test it for a few days.

I have 9hours Screen On Time on a pixel experience rom.
AOSP does wonders to this device.

[email protected] said:
Thank you for your reply. I will try to reboot it. I have done a factory reset but it hasn't helped. I will test it for a few days.
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You never know. Funny how much reboots fix things that shouldn't need fixing in the first place