Features:This portable handheld mini spot welder features adjustable 30gears, ensuring accurate welding effect and convenient operation.With 11000mAh capacity li-battery, this spot welding machine is able to weld- mobile phone batteries and nickel sheets of thickness 0.1-0.3mm.DIY enthusiasts, repair technicians, and anyone who needs to weld- 18650 cylindrical lithium-batteries, cadmium-nickel batteries, etc., will find this spot welder efficient.Whether you are repairing mobile phones, building battery packs, or conducting experiments, this mini spot welding machine can be used in home, in the labLCD display, power lithium-battery, maximum-output current up to 400A; Specifications:Material:MetalSize:Approx.131x98x56mm/5.16x3.86x2.2inOutput:8.4V 400AInput:5V2ACharging Port:Type-C- Battery Capacity:11000mAhSupport 0.1-0.3mm Nickel Strip; Note:Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1xSpot Welder2xWelding pen1xType-c-charging cable1xNickel Strip2xWelding Tips1xManual