The battery in gadgets like iPhones and MacBooks degrades over time, leading to reduced performance and capacity.There are tools to manage battery health, with Actually Mentor standing out as a free and open-source option.Actually Mentor limits MacBook battery charging to 80%, helping slow down degradation and extending battery lifespan.It offers simple functionality, keeping the battery at or below 80% charge level, even when charging.A fork of Actually Mentor called Battery Optimizer for Mac provides additional features for both Intel and Apple silicon Macs.Maintaining an 80% charge baseline can help preserve battery health by reducing stress and prolonging battery life.Tools like Actually Mentor complement Apple's Optimized Charging, which aims to extend battery longevity through intelligent charging management.Experts suggest keeping a charge limit between 50-80% for optimal battery health in the long run.Actually Mentor simplifies the process by locking the upper limit to 80% for easy and effective battery management on MacBooks.Using high-quality chargers compatible with Apple's specifications is crucial to avoid battery damage and safety risks.