This is a kind of fine quality spots welding machine, 20 gears of powers adjustable, 29 gears of delay times adjustable, easy to adjust according to the welding effect. 7-14V wide input voltage design, 100-300A applicable operation current, support welding 0.1-0.15mm nickel sheet. With digital tube real-time gears display function.

Features:
20 Power Gears: 20 gears of powers adjustable design, the welding process is more accurate and the welding effect is more perfect.
Delay Times Adjustable: 29 gears of delay times adjustable, easy to adjust according to the welding effect.
Digital display: with digital tube real-time gear display function.
Current Voltage Parameters: 7-14V wide input voltage design, 100-300A applicable operation current, support welding 0.1-0.15mm nickel sheet.
Recommended power supplys: 12Volt car starter power supplys, 12Volt 20-60AH leadacid battery with nice performance.
Selected MOS Tubes: output through 5pcs MOS tubes, with 2600A max welding current.
350mm Welding Pen: consists of multiple strands of high temperature wire with fine torsional resistance ability, the operation is more sensitive.
2mm welding-pin: with fine conductivity and low contact resistance, quickly detachment and easy carrying.
Cold pressing process: large area contact with pure copper joint, reduce internal resistance.
Complete Set of Accessories: with nonslip flange-nuts and screws to increase the over-current area.

Specifications:
Name: Spots Welding Module
Material: printed circuit board+metal
Working current: 100-300A
Service voltage: 7-14V
Item size: 80 * 44mm / 3.15 * 1.73in
Package size: 100 * 60 * 10mm / 3.94 * 2.36 * 0.39in
Package weight: 125g / 4.41ounce

Packing List:
1 * Welding Circuit Board
2 * Heat-shrink Tube
2 * Input Cable
2 * Welding Pen
4 * Screw
1 * 5m Nickel Sheet