787A+Spot Welder 18650 charging 2in1 double pulse precision spot welding machine
MCU Spot Soldering Station. 1 Advanced MCU current controller achieved precise micro-computer soldering. 2 Wider current range and single/double pulse soldering mode selection perform powerful function and high reliability. 3 Unique digital battery recharge function for constant current/constant voltage recharge. 4 MCU start control. 5 Touch digital control with temperature display has precise spot soldering. […]