12V Spot Welder DIY Kit 99 Gears Power Adjustable Spots Welding Control Board for Welding Without Shell

1. Adopts 5pcs MOS tubes and the max current is up to 2390A. 2. High power output design 99 gears of output power-adjustable more accurate welding and it can continuously weld thousands of points on Nickle/nickel-plate sheet. 3. The welding is based on the principle of high-current and high-temperature rapidly melting the part of nickel sheets and cooling. 4. The welding spots are accurate and beautiful supporting welding 0.05-0.3mm nickel sheet iron sheet and stainless steel sheet. 5. This spots welding machine can be used to spot welding cylindrical lithium batteries and nickel-metal hydride batteries like 14650/17490/18650/21700/26650/326. Item name: Spots Welding Control Board Item size: 80 x 45mm / 3.15 x 1.77inch Spot welding pen line: 6 square 25cm Note: Model aircraft battery version: Power supply requirements: 3S-4S 25C-60C Type: Without Shell color:Purple Material: printed circuit board Package Contents: 1 x Control board 2 x Output line contains spot welding pen 1 pack x some heat-shrinkable sleeves 1 x Nickel sheet 1m Only 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.