ASUS - ZenTalk

Could it be the Intel Management Engine Interface draining the battery?

From what i understand we cant downgrade BIOS, is this correct?If i can, how can i do so for Asus Laptops?

sureshpaudel49My laptop used to have 8-9 hrs of battery life. I didn't use it for 20 days and when i turned it on later my BIOS got updated . Now it have 2-3 hrs of battery life. Please help me . Asus Zenbook 14 UX434FLC Battery ProblemOMG! Same her...