Portable Handheld For 18650 P Oxide

Copper, aluminum surface can not be welded, surface can not be welded, stainless steel surface can be welded normally. Part of the battery an electrode is stainless steel, an electrode is aluminum, spot welder can weld stainless steel electrodes, aluminum electrodes need ultrasonic welding, note. Again, aluminum electrode, copper electrode can not be welded. Common 18650, 32650 and other round batteries can be welded. The two needles are steadily pressed on the piece output welding, lift, and then weld time. color:Black :Metal Package Contents: 1 x Portable Handheld Battery Spot Welder 1 x Sheet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.