Mini Spot Welding Machine AdjustableSpot Welder with Nickel Sheet Soldering Pen for 18650 Lithium Battery

Feature Comes with a charging control module which can charge the battery through the USB port and is fully charged with 0 1mm 0 15mm internal nickel plated sheet to weld multiple solder joints It is precisely controlled by the Single Chip Microcomputer Program without flipping the switch Self transporting with a charge control module which charges the battery through the USB port It is equipped with 3 7 4 2V 5000mA lithium battery the discharge rate is 65C and the output capacity is about 300A Through the output of the MOS tube this energy will be concentrated on the tip of the soldering pen and the nickel sheet will be firmly fused with the battery by means of short circuit heating All this will happen in a few milliseconds completely freeing your fingers or pedals Specification Color Green BlackMaterial MetalSize 124x80x18mmInstallation steps and matters needing attention 1 To operate this product you need to have considerable electrical knowledge Do not short circuit or reverse the electrodes otherwise the 300A short circuit current will make you doubt your life 2 The copper ear of the black soldering pens is connected to the upper surface of the circuit board by M5 screws and the copper ear of the red soldering pens is connected to the positive electrode of the battery the back of the circuit board 3 Fully charge through the USB cable after assembly in order to ensure the durability of the battery we set a lower charging current the charging proc