If you’ve been noticing that your MacBook’s charging has a tendency to stall out at around 80 percent, this is most likely an intentional feature. Starting with macOS 10.15 Catalina, Apple instituted something it calls Battery Health Management (via Apple) — a built-in software feature that purposely throttles your laptop’s battery charging levels in an effort to prolong its lifespan. What this means is that any Intel-based MacBooks running macOS Catalina or above will likely have this feature turned
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