Get the Lenmar CBC909 replacement battery and never miss a conversation with family and friends. It"s an effective replacement for Uniden BT-446, BT-909, BT-1005, BT-1004 and more. This nickel metal hydride battery is designed to fit Uniden DCT646, DCT737, TRU12803, TRU238 and more cordless phones. It has a capacity of 700mAh. Rechargeable.