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How to differentiate the first generation without AW fast charging vs. the newer version with AW fast charging?
For me, I wear my Apple Watch for sleep tracking and I charge in the morning for about 20 while dressing etc. and about 20 mins before bed. Fast charging is a real help, otherwise using my prior charger it seems to take 3-4x as log to charge Apple Watch 9. My partner doesn't mind as they charge overnight.
 
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