ITEM NAME:1X(40A Lcd Display Digital Double Pulse Encoder Spot Welder Welding MachineO9E9) 1X(40A Lcd Display Digital Double Pulse Encoder Spot Welder Welding MachineO9E9) 1X(40A Digital LCD Double Pulse Encoder Spot Welder Machine Time Control Board; The spot welder control module is developed for DIY or simple battery welder. It is mainly used for single battery or battery group nickel plated sheet welding, such as 18650 lithium battery nickel plating 0.15 and 0.2mm steel sheet, 500W transformer can be welded directly. It is intended to weld other battery materials and different thickness, such as polymer battery electrode without nickel plating, must be combined with sufficient power transformer to weld. This module includes main board and display board, 40A
