> all-day 18-hour battery life. Is there a standard for what "all-day" means? I think most would initially assume 24 hours, but thinking about it more, it seems reasonable to consider "can work from wake up to sleep" or "can work from sunup to sundown"/
I think all day depends on the specific device. For example, I would accept a 10 hr battery life for a laptop or wireless headphones as "all-day" because that will cover a full work day and people aren't expected to use those devices 24/7. 18 hours for "all-day" on a wearable seems reasonable if the expectation is that it will be used only when the user is awake. A complicating factor is that Watch OS 6 is supposed t…
Just expand that for a bit.
For people doing Coding, that might have meant every second of it, for normal people on a computer, There will be likely be 20%- 50% of times you idling ( in computer terms ) or doing something else.
So it is not just 24/7, you just aren't really using the computer for every minutes every seconds.