laptop battery drain

I have an HP Pavillion Gaming Laptop 15-dk1xxx with an i5-10300H processor, GTX 1650Ti,8+8RAM,512SSD + 2TB HDD. Recently I am noticing an insane battery drain after I shut down the system. My recent observation is of a drop from 80% to 50% within 12-14 hours. I haven't installed any new...