General description Replacement battery for Dyson V8 series cordless vacuum cleaner, designed for high performance and safety. Technical specifications Voltage: 21.6V Battery capacity: 4000mAh Material: Class A flame retardant material Features: Built-in intelligent protection chip to prevent overcharging, overheating, and short circuits LED power display Compatibility and accessories Compatible with Dyson V8 series models: Absolute, Fluffy, Animal, Extra, Mattress, Trigger, Motorhead, Car+boat, Sv10 Installation Easy to install and use