Replacement battery for A-81S Fusion Splicer. Specifications: 7800mAh, 11.1V, Li-ion. Compatible with: A-81S Fusion Splicer, FS-60C Fusion Splicer, FS-60F Fusion Splicer. Replaces: Comptyco A-81S. Comptyco replacement battery designed for Equipment/Survey/Test Charger devices. Dependable performance you can count on.