Portable Spot Welder Diy Mini Spot Welding Machine with OUtshell QUick-Release Pens & 2 Battery Spot

QUick-release welding pen for easy to take aroUnd with yoU.Compact and portable size for more practical and convenience.Adopt Micro-USB charging interface for easy charging.Integrated welding pen Uses gold-plate terminal, with fine condUctivity and low contact resistance.Thicken pUre copper strip and MOS tUbe can save energy and can provides long service time.BUilt-in 2 high rate power battery, with fine charge and discharge properties, more stable.This is a kind of fine qUality portable spot welding machine, with qUick-release welding pen for easy to take aroUnd with yoU. Integrated welding pen Uses gold-plate terminal, with fine condUctivity and low contact resistance. Adopt Micro-USB charging interface for easy charging. BUilt-in 2 high rate power battery, with fine charge and discharge properties, more stable. YoU can have a try.:Name: Spot Welding MachineType: with oUtshell,Cell: 2 x high rate cell (inclUded)OUtpUt voltage: 4.2V maxOUtpUt cUrrent: 639A maxItem size:With oUtshell: 100 x 84 x 28mm \/ x 3.31 x 1.10inWithoUt oUtshell: 100 x 84 x 20mm \/ 3.94 x 3.31 x 0.79incoloUr:BlackMaterial:metalsize:105 x 83.2 x 28.8mmPackage Contents:1 x Spot Welding MachineOnly the above package content, other products are not included.Note: Light 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.