Power 150 air watts of constant suction power 15 cyclones strengthen the airflow and consistently capture particulate matter. Work together with the updated digital motor for 30% more constant suction power.¹ 60 minutes² runtime Advanced seven-cell lithium-ion battery for constant suction. Removes dust and dirt without loss of suction power.³ Replaceable battery Swap out your swappable battery for even longer battery life. Filtration Root Cyclone™ Separation System Dyson's patented 15 cyclones capture and separate dust and debris, ensuring there's no loss of suction. Captures 99.99% of microscopic particles Fully sealed filtration throughout the device captures 99.9% of microscopic particles, including dust and allergens, as small as 0.3 micrometers.⁵