Longtaich LTC-A4000 Battery pack welder(http://www.longtaich.com) is a AC double pulse air driving spot welder for power tool battery pack welding, 18650 Lithium battery cell welding, mobile phone battery welding, laptop battery tabs welding, power bank battery welding, etc. This LTC-A4000 machine use diameter 3mm and 6mm electrodes holder, customer can change the electrodes easily to weld general nickel tabs or H form thick tabs. It is digitron screen and easy operating, cheaper price but good for battery pack workshop and factory to weld, it is a professional battery spot welder, good producing quality, widely use to weld 0.15-0.2mm thick nickel strips.
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