About this replacement
Designed for GE, Tektronix, FiberPa devices. Compatible models include Krautkramer USN 52R, USM 35, H400, H500, H600, SA2600, Y350C, Y400, YBT250, OTDR OT-8800, OTDR OT-8810, OTDR OT-8820. Replacement part numbers include LI202S-6600, NI2020. Key specifications: 10.8V, 6600mAh, Li-ion.