The DP300 Gantry Power Battery Tab Spot Welder is the special battery welder for e-bike battery pack rebuild, welding nickel strips from 0.1mm-0.3mm, suitable for bigger ebike battery packs, easy operating. The weld power supply DP300 is a capacitor store and discharge energy controller, works with the WH300 spot weld head, it is the proffesional batery pack welder . Precision, fast and repeating welding are the features.