AGV-ES04-S is a light and small AGV stacker with small lifting height, small turning radius, flexibility and lightness. It is equipped with an automatic navigation system and a lifting height recognition system, which can realize automatic stacking of materials on the pallet assembly line. This model can be applied to automatic batching in workshops to realize the automation of handling and stacking of production logistics. Due to its light weight and small size, it is especially suitable for floors, elevators and small spaces with limited floor load-bearing capacity.