Newly bought Redmi note 13 pro's battery is draining (I am not sure tho).

Bought from an offline shop, made no changes to it (except uninstalling few bloat stuff and appearance modifications like dark mode).

Downloaded and played few games, felt like battery was draining so quickly, so to measure, I downloaded accubattery.

Its measurements show the consumption at 8% per hour when Idle (screen on), it touches 12% per hour when watching youtube, and even 20% per hour when playing roblox (it my brothers' phone, he plays it).

It was never that high on my old galaxy m31 (I use it regularly, but still its not that high), never goes higher than 3 on idle, never higher than 6 on watching youtube, and never crosses 12 even on playing COD M (it heats up like hell tho). I know that battery is 6000mAH on m31 and 5100 on note 13 pro, but it should be that high.

So, am I in trouble, what should I do?