SG03 Specifications With OLED ScreenMaterial Metal CaseBattery Capacity 5600mAh 8 4V 70CWelding Output 3400WCharging Port Type cProduct Weight 1170gProduct Size 135 x 115 x 66mmPackage size 200 x 200 x 70mmPackage weight 1350gInstructions for use 1 When the voltage is lower than 6 5V please charge the machine please turn off when charging it will show green light when charging and it will go off when it is fully charged 2 Suitable for spot welding 0 2mm pure nickel 0 3mm nickel plating recommended settings 0 1mm nickel plating pulse 2 3ms0 15mm nickel plating pulse 4 6ms0 2mm nickel plating pulse 6 9ms0 3mm Nickel plating pulse 10 13ms0 2mm pure nickel pulse 12 15msWhen the device voltage is lower the pulse time adjustment is larger the maximum is 15ms3 A full charge can weld 0 15 nickel sheet 2500 times 0 2mm nickel sheet about 1500 times The adapter requires 5V 2A or more Package included 1 x LED Spot Welder