Thank you for reaching out to us here to inquire about the effect on the battery of Always on Display (AOD) features of your Samsung Galaxy A52 4G device. Really understand what you are feeling right now, and don't you worry, we are here to help.
As you may be aware, Always On Display (AOD) is a smartphone feature that has the device continue to show limited information while the phone is asleep.
And yes, the Always On Display feature does consume energy and has an effect on fast-draining your battery.
Be sure to keep in mind about Battery Tips & Optimization by following below steps & link.
Hope this content helpful and your problem gets solved.
Running your device on a higher refresh rate will definitely have an effect on how fast your battery drains. However, AOD actually helps that a bit - instead of turning on your entire screen to check the time or see notifications, AOD gives you all that essential info as soon as you pull out your phone. No need to turn on the screen!
You can try using AOD with 90Hz for 1-2 days to see its effect on your battery.