Replacement battery fits 29 GE compatible models. Specifications: 6600 mAh, 10.8V, Li-ion. Compatible with: Anritsu CMA-4500, Agilent DSO5014A, Agilent MSO6054A, Agilent N2910AM, Agilent N3900, Agilent N3900A and 23 more compatible models. Replaces: Tektronix LI202S-6600, Tektronix NI2020. GE replacement battery designed for Medical devices. Dependable performance you can count on.