About this replacement
Designed for Ascom devices. Compatible models include D83, D83 Messenger, D83 Talker, DH8-ABAA/1C D83 Protector, DH8-ABAA D83, DH8-ACAA. Replacement part numbers include 491121A, 660639. Key specifications: 3.7V, 800mAh, Li-ion.