HQRP Phone Battery compatible with AT&T/Lucent E1126, E1128B, E2116, E2126, E2127B, E2717B Cordless Telephone 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!