Specification：Voltage: 21.6VCapacity: Upgraded 7000mAh.Battery Type: Rechargeable Li-ion BatteryMuch longer run time than original battery and others 100% compatible with original charger and docking station.Compatible with Dyson V8 Vacuum Models:for Dyson V8 Fluffy Vacuumfor Dyson V8 Absolute and Dyson 214730-01 V8 Absolute Cord-Free Vacuumfor Dyson V8 Absolute Cordless Stick Vacuum Cleanerfor Dyson V8 Absolute Stick Vacuum Pet Hair Vacuum Cleanerfor Dyson V8 Motorhead V8 Motorhead Originfor Dyson V8 Carbon Fiber vacuumfor Dyson V8 Animal V8 Animal Pro and Dyson V8 Animal Cord-Free Vacuumfor Dyson V8 Animal Cordless HEPA Vacuum Cleanerfor Dyson V8 Animal Exclusive vacuum and Dyson V8 Animal Cord Free Vacuumfor Dyson V8 Animal Cordless Stick Vacuum Cleaner