Replacement battery for ROBIT H600. Specifications: 2200mAh, 11.1V, Li-ion. Compatible with: ROBIT H600, S1, S1 Handheld Vacuum. Replaces: ROBIT H600-C409-A, Proscenic H600-C409-A. Proscenic replacement battery designed for Vacuum devices. Dependable performance you can count on.