Lithium Smart Charging Technology - charges 4x faster than comparable battery-powered vacuum cleaners. Removable dirt trap (with filters) for easy and hygienic cleaning without coming into contact with the dirt. Black & Decker's most powerful battery-powered hand-held vacuum cleaner - with 40% more suction power than comparable battery-powered hand-held vacuum cleaners. Dirt trap with transparent area to recognize at any time how much dirt is in the container. LED charge indicator - flashes when charging and lights when full charge is reached. Patented multi-position suction device for suction even in hard-to-reach places such as on and under cupboards, behind the heater and much more.