... capacity AH 21015 Intelligent charger 220V 36V/30A16 Filtering area m²5.217 Dustbin capacity L18018 Noise db 6219 ... and copper, Never fade, never deformation4.Forward or backward direction adopt international positive and negative accelerator5.The turning radius ... and safe Widely used in square, park, highway, street. Residential area, the airport, dock, station, workshops, warehouses and other regions ...