About this replacement
Designed for FiberPa, Anritsu, Agilent devices. Compatible models include OTDR OT-8800, OTDR OT-8810, OTDR OT-8820, SGT-18A, CMA-4500, DSO5014A, MSO6054A, N2910AM, N3900, N3900A, N3909A, N3910AL. Replacement part numbers include LI202S-6600, NI2020. Key specifications: 10.8V, 7800mAh, Li-ion.