HQRP Phone Battery for AT&T/Lucent EL41108, EL41208, EL42108 Cordless Telephone plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.6V; Capacity: 350 mAh; Ni-Cd; Keep in touch with friends and family and never miss a conversation; Compatible with Original Battery; 200 Days warranty!