-Advanced state of Charge (shows the remaining battery power based on two factors: present charge and present real-time usage patterns of the device. -Advanced State of Health (highly accurate end-of-life prediction) -Dynamic usage patterns are constantly calculated, factoring in criteria such as the applications that are in use and scanning frequency) -Compatible with TC8000 and TC8300 - All TC8300 units originally ship with this battery - Designed, manufactured & tested to meet rigorous controls & standards - Premium-grade cells with higher capacity & longer life cycle - Designed to help prevent overcharging & electrical shock - Strong & robust housing for optimal performance & durability