Portable DIY Mini Spot Welder Machine with LCD Display Automatic Touch Welding Mode for 18650 Battery 12V Car Battery

Features 1 Wide selection of welding power supply lithium battery power supply or 12V car battery 2 The controller is controlled by a single chip microcomputer and the output pulse is accurate to ensure the welding quality 3 With LCD display screen can display welding parameters 4 The welding pen and the input line are connected by U shaped cold pressed terminals which is convenient for disassembly and replacement 5 Using automatic touch welding mode while retaining the manual trigger interface you can choose according to your own use 6 The power board uses 2 Gusi copper to increase the overcurrent capacity 7 Using 5 300A MOS tubes non disassembled MOS tubes 8 The MOS tube driver adopts the imported special chip driver The fastest MOS tube can be hit with 20nS The switch is fast to prevent the explosion of the tube and the non triode push pull drive 9 The MOS drive design adds a transient diode to protect the MOS and prevent the explosion of the tube 10 10AWG multi filament flexible wire is used for the welding pen line and the input line to increase the overcurrent capacity 11 The controller is mainly for welding nickel plated steel strips from 0 1mm to 0 15mm 12 A 25V10000uF high frequency low resistance capacitor is added to the power input for energy compensation which increases welding stability Instructions for Use 1 Power ConnectionThe controller comes with a 20cm long 10AWG input wire One end has been crimped with a U shaped terminal and the ot
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