The HIPOW PE series battery-powered single-bucket industrilal vacuum cleaner uses a battery as its power source,make it economical and durable. It does not require wires,allowing convenient use in any area of factory.With a full charge,qi can opereate continuously for 3-4 hours.The battery options includ lithium batteries and maintenance-free lead-acid bartteries to meet the needs of different customers.The equipment comes with various vacuum nozzles,enabling it to perform various cleaning tasks on factory or construction sites.It is an excellent helper for your work.