General description High-quality, compatible battery with high capacity for use in your vacuum cleaner, household robot, or home cleaner. This battery is designed to ensure maximum operating time and is suitable for various models listed below. Technical specifications Battery type: Li-ion Capacity: 4000 mAh Voltage: 21.6 V Energy: 86.4 Wh Colour: black Number of cells: 6 Compatibility and accessories Replacement for Dyson PM8-US-HFB1497A Replacement for PU2-JP-HFA4456A Usage The battery can be charged with your standard charger or a compatible charger. For a fresh fragrance while cleaning, fragrance cartridges are available in our other offers.