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Need to leave the office and go to a meeting? Use Discharge Mode to burn off that 100% charge down to 80% before you unplug, so you leave the house at a healthy voltage. But Wait, What About Calibration? You might have heard: "Don't keep your battery at a low percentage forever; it messes up the calibration."

Have you tried AlDente? What percentage do you lock your MacBook at? Let me know in the comments below!

But if your schedule varies—or if you keep your laptop plugged in for three days straight while editing video—Apple’s software gives up and charges to 100%. Keeping a battery at 100% for long periods creates high voltage stress, which chemically ages the battery faster. AlDente (named after the pasta state—firm, not mushy) is a free and open-source tool for macOS that gives you manual control over your charging limit. aldente

While Apple’s built-in "Optimized Battery Charging" tries to help, it is notoriously passive. It learns your habits and might hold at 80% if you have a very rigid schedule (e.g., plugging in at 10 PM every night).

Let’s be honest. Most of us are guilty of the "laptop vampire" lifestyle. You wake up, unplug your MacBook at 100%, work at a coffee shop until it hits 15%, panic, plug it in, and repeat. Need to leave the office and go to a meeting

Heat is the silent killer. If AlDente detects your battery is too hot (e.g., during a Final Cut Pro export), it automatically stops charging to prevent thermal damage.

If that sounds like you, your battery health is silently suffering. Enter . The Lithium-Ion Problem MacBooks use lithium-ion batteries. They hate two things: extreme heat and extreme charge states (0% or 100%). You might have heard: "Don't keep your battery

Or, even worse: you use your MacBook 90% of the time, connected to a monitor with the charger permanently plugged in.