Product
Kombucha
A MacBook that stays on its adapter spends its life at 100%, where a lithium-ion cell ages fastest. Kombucha holds the battery inside a range you choose: it stops charging at the upper threshold and resumes at the lower …
About
A MacBook that stays on its adapter spends its life at 100%, where a lithium-ion cell ages fastest. Kombucha holds the battery inside a range you choose: it stops charging at the upper threshold and resumes at the lower one, so the Mac runs from the adapter while the battery rests. Also: Charge to 100% Once, Heat Protection, discharge to the limit, history charts, battery health. Free and open source (MIT), no network access or telemetry. Apple Silicon, macOS 15–26.
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