1300mAh Li-Ion Battery for Magellan RoadMate 800 , 860 , 860T GPS Top quality Li-Ion rechargeable internal PDA Battery made from high quality Japan cells; 1300mAh, Voltage: 3.7V 100% compatible with Original Battery and Charger devices No Memory Effect, The battery can be recharged without loss of capacity; CE and SGS-ISO-9001-2000 Approved.