MC18 Spare Battery with PowerPrecision Plus (3500 mAh)<br><br>- Only compatible with MC18.<br>- Uses advanced state of health and state of charge information to improve device management.<br><br>Information available:<br><br>- Advanced state of Charge (shows the remaining battery power based on two factors: present charge and present real-time usage patterns of the device. <br>- Advanced State of Health (highly accurate end-of-life prediction)<br>- Dynamic usage patterns are constantly calculated, factoring in criteria such as the applications that are in use and scanning frequency).