S20 battery life terrible with any ROM? - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

I'm using the Beyond rom and I have all bloatware turned off. A few days ago I fitted a new genuine Samsung battery. Today, from 07:00 to 19:00 almost exclusively in standby it lost 54% battery life.
This has me wondering if the phone is just crap in standby. Thoughts?

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Cell standby

I've been better monitoring my batterylife today to see if I can get by on a normal work day or if I'll need an exteded battery (ever since getting the phone its been dying very quickly, because I've been playing games on it). So far, it's been going all day and will definetly reach the 10 hour mark with web browsing and texting. However I do 1 concern, 30% of my battery life has been used up by 'Cell Standby'. Is this normal? I had an extended battery on my g1, so I never had to worry about battery life too much, and don't know how much cell standby took up on it. I'm just suprised that it takes up more than "android System" or anything else on my phone.
Htc G2 on At&t with cyanogen 7.0.3 clocked at ~800mghz
(Could it be because its on the att network?)
Update- just to give you a grasp of my battery usage for the day:
was not put in charger all day
currently at 10%
been on for 13h and 56m
--
cell stanby 31%
Phone Idle 22%
wifi 19%
display 13%
android system 11%
Voice Calls 2%
Sent from my HTC Vision using XDA App

Stock S3 Has poor and constantly changing Battery life

So, my phone's battery life is overall quite poor for the most part. some days it absolutely burns through my battery with little phone use, and other days it gets decent battery. i downloaded better battery stats, and for example. today my phone drained at about 10%/hour, but yesterday for example it drained at about 3%/hour. And today i did not even use my phone that much. Please help, as this is getting really annoying.
Here are some screenshots of my battery stats on two bad battery days
Day 1 Screenshots: http://imgur.com/a/bd5pl
I know it looks like dolphin burned alot of battery, but that it just because it was practically the only application i opened and i used it for a couple minutes which i normally wouldn't do. then i few hours later, this was where my batter was at, and i swear i pretty much did not even touch my phone at all! http://imgur.com/NIfYnkl
Day 2 Screenshots: http://imgur.com/a/oTZDu
pleace said:
So, my phone's battery life is overall quite poor for the most part. some days it absolutely burns through my battery with little phone use, and other days it gets decent battery. i downloaded better battery stats, and for example. today my phone drained at about 10%/hour, but yesterday for example it drained at about 3%/hour. And today i did not even use my phone that much. Please help, as this is getting really annoying.
Here are some screenshots of my battery stats on two bad battery days
Day 1 Screenshots: http://imgur.com/a/bd5pl
I know it looks like dolphin burned alot of battery, but that it just because it was practically the only application i opened and i used it for a couple minutes which i normally wouldn't do. then i few hours later, this was where my batter was at, and i swear i pretty much did not even touch my phone at all! http://imgur.com/NIfYnkl
Day 2 Screenshots: http://imgur.com/a/oTZDu
Click to expand...
Click to collapse
Yeah I noticed something interesting as well. I have two batteries for my GS3, one is the stock battery that came with the phone and the other is a 4200 mAh battery from Hyperion Electronics. I decided to test each battery by charging each to 100% on different nights and not touching the phone overnight to see what my battery drain was
Night 1, I tested the stock battery and over night I went from 100% to 40% in a span of about 8 hours. That's a 60% decrease.
Night 2, I tested the Hyperion battery and over night I went from 100% to 98%. A total of 2% decrease in the same span of time.
Now yes I understand that the Hyperion battery is essentially 2x the battery capacity as stock, but just by simple ratios you'd think that since the stock was a 60% decrease that the Hyperion battery would be a 30% decrease, but it's not. The Hyperion battery is literally 1/30th of a drain than was the stock battery.
Something's wrong here and I wish someone could give a straight answer as to why these two batteries are demonstrating dramatically different results.

[Q] Note 3 battery life?

Hello everyone I just got the note 3 this past week, not till yesterday I started to mess around with the phone and by 3pm I was at 10% battery life time I got home it was dead, I use to have s2 rooted and I also have s4 and battery life is better than wat I have with the note 3, any info I do aappreciate, this morning I lost 12% of battery in 30min of browsing, then lost 3% on 8min on the phone with cust support
Not all phones and components are made equal. Maybe you have a bad battery. Too many apps running? Only had mine since the tenth and have had great battery life. Better than my note 2.
Sent from my SM-N900T using Tapatalk
Yeah probably im taking it in for new one, I stop all apps and eveything is turned off on the phone, I did a reboot and from 32% dropped to 21% 20min ago now sitting at 14%

Zenwatch affecting phone battery life?

Hi everyone...
First off, a little background.
I bought my Galaxy S6 a couple of months ago. Battery life on it was fantastic... overnight, I'd drop maybe 1-1.5% per hour.
Then I bought a Zenwatch, which I absolutely love. What a great accessory! Unfortunately, its had a fairly negative effect on my phone battery life. Now, overnight, my phone battery will drop 3-4% per hour. Doesn't seem like like a lot, but over 7 hours, thats a difference of 15-20%.
Last night, just for kicks, I turned off bluetooth on my phone overnight, and it returned to 1-1.5% per hour again.
Is this normal behavior? I thought the fact that it uses BLE should really make this a non-issue.
(Yes, it could be a non-Zenwatch issue, I'll be trying other things over time... just thought I'd start with what seems most obvoius)
Thanks!

Battery drain issues..

Hi , i got a note 4 from rogers for now 2 years. My old battery was dead so i bought a new battery. I got a lexmar 3400 mah from best buy.
But i still got battery drain. Nothing was done today on the cell phone except. Sms, some internet search and 1 hour of songza music.
And im about 28% left for 3.5 hour of use...
Is the battery truly 3400mah? The only 3rd party battery that's trustworthy is anker so I'd start by seeing if the battery is legit before going further
Wifi is possessed, battery drain
My wifi is going crazy ! When I try to turn off the wifi it keeps turning it back off and on again. It can stay on with no problem. Because it keeps turn on and off its killing my battery life, anyone else experience this or better yet found a fix ?

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