Explain the battery health function of MacBook, why does it stop charging when it reaches 80% charge?

Apple's latest computer system, macOS Ventura, has added many new design changes. Many users want to know how to set optimal battery charging. That is, when the charge reaches 80%, the button will be pressed. User usage habits determine when to charge to 100%. Therefore, charging often stops at 80%.

Turn off the battery health function

1: Now I will teach you how to turn off this function in the system Bar. First enter the system settings, go to battery

#2: Click the info "i" on the far right of the battery health

3: Just switch the optimized battery charging on and off as you need. If turned off, charging will continue until 100%.

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