Synergy Digital GPS Battery, Compatible with Rand McNally TND-T85 GPS, (Li-Pol, 3.7V, 4000mAh) Ultra High Capacity, Replacement for Rand McNally OP806363 Battery
Specifications:
Battery Chemistry: Li-Pol
Voltage: 3.7V
Capacity: 4000mAh
Compatible with: Rand McNally OP806363 Battery
Works for: Rand McNally TND-T85 GPS and many more