My AW has 89% battery health. If you get up to 18 hours at 100% does it mean I’ll only get 16.02 hours at 89%?
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No, it’s not linear. Some people can get a full day of use with a battery health of 77%, others complain of charging twice a day at 84%. What matters is whether your use pattern changes. When it does, it’s worth looking at the battery health. Some people stay at 83% for 6 months or more, just to annoy you at not ready for replacement yet despite barely getting through 6 hours. If it’s below 80% (79% or lower) you can get a battery replacement in the US for $99 (used to be $79, but like many things, Apple jacked up the price). You can then decide if you want your dump $99 on a fresh battery or towards a new watch.
Cool, thanks for this. I just got a series 7 titanium and it’s 89% which I think is acceptable. Unless apple reintroduce titanium outside of the Ultra range I’ll probably stick with this and look at a battery replacement in the next couple of years.
I have a 7 coming up on 2 years old. I must have gotten the blessed battery of the lot that assembly day as I’m still at 94% and it’ll last a day and a half if I forget to charge it in the morning. The titanium 7 is nice! I’d put a battery in that. You won’t find titanium in the S series as long as the Ultra is out there.
More or less yes