The whole process supports spot welding of 0.1-0.15mm nickel sheets. When fully , it supports 0.15mm nickel sheet welding. Having it saves time, trouble, worry and effort High-quality aluminum alloy shell, fireproof and drop-, with anodized It is both a spot welding machine and a power bank - it can be used both as a machine and as a power bank with USB output function (5VMAX2.4A). It is also your portable fast charging power bank 9 power mode switching, precise control, more perfect welding effect Multiple uses: mobile phone battery welding, cylindrical battery welding, power bank toy car repair, power tool electric car Soldering pen length: about 320mm Soldering pen wire: AWG10 Battery capacity: 5500mAh USB output: 5V MAX2.4A Maximum discharge current: MAX650A Whether to support punching and welding at the same time: Yes Number of welding times at full power: about 1,000 points Colour:Black Material:Aluminum Alloy Package Contents: 1*Spot Welder 1*Charging Cable 1*2 Meters Nickel Piece 1*Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.