Heres an answer. There is no way to add charging limits via software or apps. The only way to stop charging automatically is via a smart plug, either a mains one with which you plug in the wall charger, or the Sonoff micro. With a smart plug you
Probablyyou also have the Optimized Charge Limit feature enabled. The Optimized Charge Limit feature will learn from your daily usage of the Apple Watch and determine when to charge it to an optimized limit (generally 80%) and when to allow a full charge. So the watch will charge to 80% in some cases and to 100% in others. PretendAdvertising19
Whenoptimized charging is on, your watch might only charge to about 80% and delay charging past that. Apple turns on Optimized Battery Charging by default in watchOS 7 and later. Unfortunately, it can interfere with your watch’s full charging, especially if you charge it at a different time than you normally do.
Asstated, Apple already added an optimized battery charging feature where it stops charging at 80% (but still charges to 100% around 30 minutes before the user typically unplugs the charger). So Apple is already trying to protect people's battery health to make it last longer without users needing to do the 80% thing, but the battery health
Comparespecs for the latest Apple Watch models: Apple Watch Ultra 2, Apple Watch Series 9, and Apple Watch SE. Apple; Store; Mac; iPad; iPhone; Blood Oxygen app is for wellness purposes only and not for medical use. Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Fast Charging USB-C Cable. Testing
. 310 412 425 348 135 400 106 273
apple watch only charges to 80
