TC7X PowerPrecision+ Spare Li-Ion Battery, 4620mAh (single) Recommended for use in TC70x/TC75x/TC72/TC77 series. Blue label on battery distinguishes from TC70/TC75 series battery (BTRY-TC7X-46MAH-01 / BTRY-TC7X-46MA2-01). Battery is also compatible with TC70/TC75 series units. Note that Spare Battery Chargers designed specifically for the TC70/TC75 series will not charge this battery and may cause damage to the battery (see PMB 2863). Designed, manufactured & tested to meet rigorous controls & standards Premium-grade cells with higher capacity & longer life cycle Works with Zebras high-end performance products.