80% of Apple Watch is not charged.

Excuse me, do you want to ask the question "Why doesn't applewatch charge 80%"? ? The reasons why the watch is not charged 80% are as follows:

1. Turn on the function of optimizing battery charging: this function is turned on by default, and Apple Watch will pause after charging to 80% according to usage habits, so as to slow down battery aging. If you want to fully charge, please go to Settings, Battery and Battery Health on the watch and turn off the "Optimize Battery Charging" function.

2. The charging environment temperature is too high or too low: Please confirm whether the charging environment temperature is too high or too low, and try to replace the charging cable and plug.

3. Equipment failure: If the above conditions are not met, it is equipment failure, and after-sales inspection and maintenance are recommended.