BATT-1002 - Li-Ion, 2.4 Volt, 750 mAh, Ultra Hi-Capacity Battery - Replacement Battery for Uniden BBTG0609001 Cordless Phone Battery Replacement Battery for Uniden BBTG0609001 - Li-ion, 2.4 Volt, 750 mAh. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark