How often should the Topaz internal battery be replaced?

The internal battery of the Topaz device is designed to last for an extended period, and its replacement is generally determined based on the device's performance and functionality rather than a strict timeline. Users should monitor the device for signs that the battery is not functioning properly, such as diminished performance or problems with data retention. When these signs become evident, the battery should be replaced to ensure that the device operates optimally. This approach recognizes that while some components may have a set lifespan, batteries can vary significantly in their durability depending on usage and environmental factors. Therefore, replacing the battery "as needed" ensures that users maintain the device in good working condition only when performance issues arise, rather than adhering to a rigid replacement schedule.