averaged power * time -> W*s

[future2now]

"total W" -> "total W*s"
"W" -> "Ws" ---/3600*1000---> "mWh" (or "Ws" ---/3600---> "Wh")
lines 631-645
lines 657, 659-673
lines 679-692
https://github.com/ThomasKaiser/Knowledge/blob/master/articles/Exploring_Apple_Silicon_on_MacBookAir10.md#energy-aware-computing (01/18/2021 version)

otherwise one compares instant power demand (or power supply) or averaged power for a period of time and comparable summarized power demand for one second that consumed same amount of electric energy