TC7X 4620mAh Li-Ion Power Precision Spare Battery Single Pack Recommended for use in TC70/TC75 series only. - If used in TC70x/TC75x/TC72/TC77 battery will not give an accurate reading of the capacity or the state of health. For all charge levels the battery capacity indicator will read 50% (see PMB 2863). Designed, manufactured & tested to meet rigorous controls & standards Premium-grade cells with higher capacity & longer life cycle Designed to help prevent overcharging & electrical shock Works with Zebras high-end performance products.