... ,maintain convenience @low noise and have no waste gas Yangzhou China HK-1250B Electric SweeperFEATURES:1,The series HK is equipped ... performance 200Ah doesn't need the maintenance gum body battery, not the creation harmful air.6,Airport appropriation solid center tire ... be strong.8,Go forward, retreat control convenience.9,Was not whole not to brush electrical engineering, have never need to replace ...