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If somebody mixes up kW and kWh in a video/article, I stop watching/reading. 4 times out of 5, it indicates that the author doesn’t understand the difference themselves, and I’m not wasting my time taking advice from someone who doesn’t know what they’re talking about.
It’s a whole psychological phenomenon! I sell pv and battery systems. And usually people who confuse the two think they know the difference or pretend to. But if you press them on it, they don’t. I think it’s to do with the fact that time is already comprised in the unit of work. Everybody makes mistakes but when educators and YouTubers or even Journalists make that mistake it really gets my goat. It’s like saying, “my car uses 150HP per 100km”.
I have a friend who is a very capable “amateur” electrician. He has wired a few houses, he understands DC, 1 and 3 phase AC and has way more experience with all of it than I do. After I installed solar panels, batteries and got an EV we’ve had many discussions about his solar installation and over several years it has been impossible to get him to understand the proper use of kW and kWh. I’ve used analogies of water flow and volume, speed and distance, etc., but he just cannot get his head around it. I’ve given up correcting him (and others)…
when talking to ICE-evangelists using these units wrong I ask them how many horespower they filled into their petrol tank
My e-Up has 2400 kW/h. It is the ramp up of charging, in one minute to 40kW.
Gboard is great on Android, is available for iPhone and iPad, but it doesn’t let me have the number row & doesn’t seem to support as much with long-press as on Android. I always turn off autocorrect everywhere. Suggestions are fine, but don’t change what I’ve typed!
If it was something to blame other than the user, it would be mostly one-sided. However, I see both terms used incorrectly more than I see it used correctly. People seem to just be so used to “X per hour” referring to a unit of speed, but won’t put in the effort to break that habit.
Good grammar doesn’t make people superior, but it certainly helps when trying to get somewhere. Details matter in technical life. Respect for language, units and terminology often becomes part of how you think in general. And honestly, I feel a certain pride in trying to get things right.
I think many of us older IT people simply grew up learning that precision matters. Because we know that one day someone reports “backup completed successfully” when they actually meant “sync completed successfully”, and suddenly the entire company discovers the difference at 03:17 in the morning.