HQRP TWO Cordless Phone Batteries for Uniden BT-1004 / BT1004 Replacement plus Coaster HQRP&reg; TWO Rechargeable Batteries plus HQRP&reg; Coaster; Battery Voltage: 3.6V; Capacity: 800 mAh; Ni-Mh; Keep in touch with friends and family and never miss a conversation; 100% compatible with Original Battery; 200 Days warranty!