WM-B3-6 Entry-level 12V Battery Mini Spot Welder Controller Transistor MOS 18650 Lithium Battery Automatic Welding Board

 1 Control board spot welding pen 2 Control Panel 3 Spot welding penFeatures 6 levels of energy settings 6 LED energy indicators Automatic welding keep manual welding interface One key operation turn on off energy adjustment auto switch Thicken the over current copper bar reduce the internal resistance and increase the output current capacity Bolt connection convenient and quick Power Supply Selection This controller can use model airplane batteries car batteries polymer lithium batteries but not super capacitors 1 25 40Ah 12V car battery requires good performance and low internal resistance 2 4000 6000mAh 45C 60C 3S model airplane lithium battery 3 30 35Ah 12V capacity lithium battery pack Note You cannot use super capacitors as power sources Nickel Strip Selection The thickness of the welding Nickel Strip is between 0 1 0 12mmIf the thickness exceeds this thickness the MOS tube may burn out Instructions All operations are performed only through the white buttons on the controller Power on and offIn the case of shutdown click long press the button to bootIn the case of power on click long press to power offEnergy regulationIn the case of power on the energy of single click button increases and the energy of double click button decreases Automatic manual switchIn the case of power on long press the button to switch between automatic manual welding mode the blue LED AUTO indicator light is on it is automatic mode If you choose automatic