... . compact and flexible, easy road passing.2,using high-performance maintenance-free batteries, no leaking, does not ... produce harmful gases.3,With 48V power supply, high battery capacity4,Continuous working time :4-6 hours, ... components easy to disassemble.The parameters of industrial vacuum cleaner as belowNo.titleunitWS-SD12501Cleaning widthmm12502Working efficiencym2/h70003Climbing capability% ...