High Capacity 7.2V 3500Mah Shark XB1918 Battery for Shark Vacuum V1950 VX3 V1917 Cordless Sweeper Battery Type: Nimh, Voltage: 7.2V, Capacity: 3500mAh High quality replacement battery for Shark V1950 VX3 XB1918 V1917 Much longer running time that original NiCD battery Batteries are made with the highest quality materials 30 days money back and 1 Year Warranty