??Battery Spec: Brand New | Type: Lithium-Ion | Voltage: 22.2V | Capacity: Upgraded 6000Mah; Dyson Dc31 Replacement Battery, No Memory Effect, No Pollution, And Low Self-Discharge, Can Be Charged Or Discharged As Needed Without Loss Of Capacity | | ??Widely Compatibility: Replace For Dyson Battery 22.2V Type A Batteries, Easy To Remove And Install; It Is Perfectly Compatible With Original Dyson Dc35 Battery Type A Dc35, Dc31, Dc34, Dc30, Dc45, Dc44; 917083-01, 17083-2811, 18172-01-04, 17083-4211, 18172-0201, 917083-03. Note: Do Not Fit Dc34 Animal, Dc30, Dc44 Mk2 (Not Fit Type B) | | ??Upgraded Capacity: Replacement With Dyson Dc35 Battery 6000Mah Large Capacity, Durable, Provides Longer Running Time Than The Other Batteries, Will Makes Your Handheld Vacuum More Powerful; It Also Fits The Original Dyson Vacuum Charger And Docking Station | | ?? Safe And Reliable: The Replacement For Dyson Dc34 Battery Has Passed Ce, Fcc, Rohs Certification, And Is 100% Tested By The Manufacturer .