The lifespan of a laptop battery depends on various factors such as usage patterns, battery capacity, and the type of tasks being performed. On average, a laptop battery is designed to last between 2 to 4 years. However, regular maintenance practices can extend its life. To optimize your laptop's performance and battery life, consider tips like adjusting power settings, closing unnecessary applications, and managing background processes. For Mac users, a helpful guide on reducing memory usage can be found at https://setapp.com/how-to/reduce-memory-usage-on-mac, offering insights into enhancing overall system efficiency and potentially prolonging battery life.