Pacvac's Superpro Battery 700 Advanced Backpack Vacuum Cleaner is an advanced battery-powered design with strong suction, delivering a superior combination of maneuverability, efficiency and productivity. The ergonomic configuration makes this one of the lightest and most comfortable battery backpacks on the market. This product comes standard with four battery packs. Two batteries are required for machine operation and the other two are conveniently provided as spares to keep you cleaning for longer. Ideal for cleaning buses, trains, places, cinema aisles, stairwells, elevators, lifts and office workspaces. Features: Battery operated (comes with 4 batteries, 2 required for operation and 2 as spares) HEPA Rated Hypercone Filter Ultra-lightweight Commercial grade backpack vacuum Ergonomic harness - world standard “body moulded” frame and adjustable harness. Designed for increased comfort and anatomically correct posture. Premium airflow Low noise Premium quality motor - ensuring maximum suction power and durability. Clear lid - easier to see when it’s time to empty the bag. Offset inlet creates cyclonic effect ensuring maximum suction power. Reusable cloth dust bag Hypercone™ HEPA filter Crevice tool, dusting brush and upholstery tool. 32mm all purpose low profile floor tool 1.2m long hose assembly 2 piece durable chrome wand Warranty: 2-years on body and motor, 1-year on batteries and charger Pacvac model number is VB700BA02A01 Capacity: 5 litres Airflow Volume: 33 litres per second / 70 CFM Charge Time 1 hour 45 minutes (2 batteries) Filtration: 4 stage, HEPA Rated Hypercone Filter Motor: 300W single stage flow through 36V DC brushless Battery Type 18V 6.0Ah (108Wh) Lithium-ion Noise Level: 67 dB(A) at 1.5m Run Time Up to 45 minutes per battery set (2 sets included) or up to 1 hour 30 minutes combined total (4 batteries) Warranty 2 years on body and motor, 1 year on batteries and charger