Understanding the lifespan of UPS batteries is essential for managing expectations and planning effective maintenance strategies. While factors such as usage patterns, ambient temperature, and charging practices influence battery longevity, manufacturers typically provide estimated lifespan metrics based on ideal operating conditions. However, real-world performance may vary, necessitating proactive monitoring and replacement as batteries approach the end of their service life. Implementing regular testing and condition monitoring protocols allows users to assess the health and performance of UPS batteries accurately. By demystifying the lifespan of UPS batteries and adopting proactive maintenance practices, users can mitigate the risk of unexpected failures and ensure reliable power backup when it matters most.