1 X Uniden BT1005 Cordless Phone Battery 3.6 Volt, Ni-MH 800mAh - Replacement For UNIDEN BT-446 Replacement Battery for Uniden BT-446 - Ni-MH, 3.6 Volt, 800 mAh. 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark