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Comment by crooked-v | Hacker News Reader

Calling an 18-hour battery life 'all day' still feels like at best borderline fraud to me.

I wear it 23.25+~ hours a day and charge it while i drink coffee in the morning (probably 30-45m on average, while i sit at my desk). I wear it all day, and while i sleep for sleep tracking.

I get annoyed when they say 18h and people freak out.. i'm not sure what they're testing vs my daily usage but it doesn't feel the same. I assume it's like 18h with a ton of screen-on time?

Either way i wouldn't wear a watch that i had to charge for 6 hours a day, and the Apple Watch is definitely not that. Hasn't been that for at least as many generations as i've owned.

I have a launch day Series 6 (4 years old) with 78% battery health, that I wear all day everyday, and charge in the evening for 30 or so minutes. So it easily lasts 23.5 hours and by that point its at around 25-30% battery life. I genuinely cant understand where the 18 hours they predict come from!

Depends on your definition of 'all day'. I wear mine from about 7 or 8am until about midnight and it just about lasts that entire time. It's a series 6 so not the newest either.

I guess if you want to wear it to sleep it just means taking it off sooner to charge. Personally I hate wearing it to sleep, it feels very uncomfortable and bulky for that.

The sleep thing is important IMO. That's extremely useful data to have. Feel tired? Check your sleep then remember what you did the day before to mess it up (drink/bed late/eating etc). Trains you to sleep better which is the most important thing in a productive life. But Apple watch doesn't make it easy to do both yet.

In the arctic summer, days can be longer than 18 hours. Or if you don't sleep, I guess. Excepting those cases 18 hours seems all day to me.

I think it just throws me off due to cultural differences. Most homes and offices in my country have electric lighting, which means we can end up living and working outside of daylight hours, especially on Fridays. I have on numerous occasions asked people how their day was, and they tell me about things that happened while the sun was not up.

they're being dumb/conservative in marketing material. my 7 year old apple watch still lasts > 24 hours - I wear it ~22.5 hours a day, just plugging it in to charge while I'm getting ready in the morning.

I guess it depends on if your definition of the day is when the sun's up, or the entire 24 hour period. Advertising loves living in this grey area with a big smile.

Don't get me started on "Life Sentences"!

Get some sleep

yeah apparently no one told them that for sleep tracking you need to wear it while you sleep.

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