Focus on the pronunciation of power (sth) up
English definition of “power (sth) up”
power (sth) up — Phrasal Verb with power
/ˈpaʊər/ verb [T]
› [I or T] IT if a machine, computer, etc. powers up, or if someone powers it up, it is switched on or prepared so that it is ready to be used: This computer only takes seconds to power up.