About this replacement
Designed for Avaya, Mobilteil, Tennovis devices. Compatible models include Avaya FC4, IH4, DECT D4, D4 Office, IP65, Integral D4, FC4, DECT FC4 Medical, FC4 Medical. Replacement part numbers include 5010808000, 5010808030. Key specifications: 3.7V, 700mAh, Li-ion.