Upgraded 100-speed digital display DIY battery energy storage spot welding machineMulti-function adjustment: A gear adjustment, B current display, C pulse quantity, D pulse delay E limit current F voltage display G save quantityThis is a high-quality fine spot welding machine with 100-speed adjustable power, which is easy to adjust according to the welding effect. 10-15V wide input voltage design, 100-300a suitable working current, support welding 0.1-0.15mm nickel sheet. With digital tube real-time gear display function.100-speed power: 100-speed power adjustable design, the welding process is more accurate, and the welding effect is more perfect.Digital display: with digital tube real-time gear display function.Current and voltage parameters: 10-15V wide input voltage design, 100-300a suitable working current, support welding 0.1-0.15mm nickel sheet.Recommended power supply: 12V car starter power supply, 12V 20-60ah lead acid battery with excellent performance.Select MOS tube: output through 5 MOS tubes, the maximum welding current is 2600A.350mm soldering pen: It is composed of multiple strands of high temperature wire, which has good torsion resistance and more sensitive operation.2mm Solder-Pin: Has good electrical conductivity and low contact resistance, fast debonding, easy to transport.Cold pressing process: large area contact with pure copper joints to reduce internal resistance.Complete set of accessories: with non-slip flange nuts and screws to increase the flow area.Colour:Photo ColorMaterial:plasticPackage Contents:1 x Solder the circuit board2 x heat shrink tubing2 x input cable2 x soldering pen4 x Screw1 x 5m nickel sheetOnly the above package content, other products are not included.Note: Light shooting 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.