About this replacement
Designed for NEC, Avaya, Polycom devices. Compatible models include Univerge MH110, 3616, 3620, NetLink h340, 8002, PTN15, PTN100, PTN101, PTN110, PTN111, PTN120, PTN121. Replacement part numbers include A0548446, BPN100, NTTQ69BA, NTTQ4050, PTE110. Key specifications: 3.6V, 700mAh, Ni-MH.