HQRP Phone Battery 2-Pack for AT&T Lucent model 2422 SKU 23402 4051 SKU 59768 part number 89-0047-00-00 8900470000 Replacement plus Coaster HQRP&reg; Two Rechargeable Long Lasting Batteries 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!