Semi-electric stackers are industrial vehicles. It has the advantages of simple structure, flexible control, good micromobility and high explosion-proof safety performance. Suitable for operations in narrow channels and limited space, it is an ideal equipment for pallet loading and unloading in elevated warehouses and workshops. It can be widely used in petroleum, chemical, pharmaceutical, textile, military, paint, pigment, coal and other industries, as well as ports, railways, freight yards, warehouses and other places containing explosive mixtures, and can enter the cabin, carriages and containers for pallet cargo loading and unloading, stacking and handling operations.