My battery been draining lately after the very last security update or whatever you wanna call it I used to charge it once a day and not charge it until the next day around 8 or 9 pm or 10 and I'm not even a heavy user guy with video games etc and I dont even have my screen resolution to the max just in the middle but still drains a little not sure what it is I tried partition wipe and didn't change anything hope samsung fixes it on there new Samsung one ui 2.1 that they havent released to me yet 🙄
You can set a power saving modes on your phone to limit its battery usage and make its charges last longer. There are a few different battery saving options and some tricks for optimizing your device’s battery life.
Give this link a try for some tips and tricks to increase the battery life on your device.
Hope this was helpful!