HQRP Cordless Phone Battery compatible with AT&T/Lucent 3301, SKU 91076, 80-5071-00-00/8050710000 Replacement fits Vtech Ia5823 plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.6V; Capacity: 1200 mAh; Ni-Mh; AA Cells; Keep in touch with friends and family and never miss a conversation; Compatible with Original Battery; 200 Days warranty!