3-Pack Cordless Home Phone Battery For Uniden BP-446 BT-446 BT-1005 Chemistry: Ni-MH, Voltage: 3.6V, Capacity: 800mAh High quality replacement battery for Uniden BT-446 3 Pack - Designed to meet or exceed performance of original battery This Battery is fully Compatible with the original battery 30 days money back and 12 months warranty