The Battery Management System (BMS) is the “brain” of most modern batteries, preventing overheating, overcharging, and imbalance—ensuring the battery’s longevity and safety. Understanding how each part of a battery management system works will position you to optimize your use of batteries – or even work with them professionally. Careers in BMS design and programming shape the backbone of battery safety, fostering innovation and expertise to fortify our energy infrastructure for a sustainable future.