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kitenski

macrumors 6502
Original poster
Jan 30, 2008
483
209
Leeds, UK
Has anyone seen any figures on how long the Ultra takes to charge? Either with a fast charging USB-C adapter, or the standard charger that came with previous Apple Watches?

With my series 6 I'd wear it all day/overnight then put it on charge as soon as I got up, it was then back to 100% by dog walk time in about 70-80 mins in the morning!
 
found something on Apple but nothing about times for non fast charging cable!

About 1 hour to 80%​

About 1.5 hours to 100%​

Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Fast-Charging USB‑C Cable
 
For reference, my series 4 charges from about 20% to 100% using the slow charger in 2 hours or a bit less.
With nearly double the battery size, using slow charger I reckon 4 hours to charge it from empty to full.
 
The Ultra battery is around 1.8x the capacity of the 45mm battery. Super roughly you could expect it to take almost twice as long on the same charger.
 
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