Replacement for BT 6V 450mA BT Telephone Power Supply Lead Cable Adapter. This item is compatible with many telephones Please check your power supply is 6v 450mA. For Main Base & Additional Base Please check your telephone model is listed here below, if not please contact me so that I can recommend you the correct adapter. This power supply is compatible with BT Telephone models: BT 1000 BT 1100 BT 3920 BT 1200 BT 1700 BT 1500 BT 1600 BT 7600 BT XD56 BT 7610 Also compatible with BT Freestyle 750 Main base. Compatible 043649, 066773
