About this replacement
Designed for Polycom, Elmeg, Telrad devices. Compatible models include KIRK, KIRK 3040, KIRK 4020, KIRK 4040, KIRK 5020, KIRK 5040, DECT 3040, DECT 4020, DECT 4040, DECT 4080, DECT 300, DECT 400. Replacement part numbers include NT7B65KL, NT7B65LD, AH-AAA600F, 84743411, NT7B65KSE6, NTTQ47KAE6 and NT7B80BXE6, NT7B65LDE6. Key specifications: 3.6V, 700mAh, Ni-MH.