Item Name: 99 Gears Power for Welding 18650 Battery Control Board Spot Welder DIY Kit. 100% brand new and high qualityName: Spots Welding Machine Control BoardPackage weight: 50g / 1.76ouncePackage size: 145 * 85 * 105mm / 5.71 * 3.35 * 4.13inMaterial: printed circuit boardItem size: 80 * 45mm / 3.15 * 1.77inFeatures:- Adopts 5pcs MOS tubes, and the max current is up to 2390A.- High power output design, 99 gears of output power adjustable, more accurate welding, and it can continuously welding tho
