Mini Spot Welder Machine DIY Portable 70 Gears Welding Tool Power for 18650 Battery

Features High quality and multi functionThis is a high quality spot welder small in size light and portable easy to carry in your pocket wear resistant and beautiful fire and fall proof 2mm thick pure copper bar to suppress internal resistance and increase overcurrent capacity Fast input and 70 gear adjustable outputThis spot welding equipment adopts DC interface and is fully charged for 3 hours under 5V 2 1A input Built in high frequency polymer power battery large output current up to 650A and fully chargedCharging control module and rechargeable batteryThis spot welder is equipped with 7500mah lithium battery After the single chip microcomputer detects that the welding pen contacts the nickel plate it will control the MOS to turn on Since the resistance between the welding pen and the nickel sheet is much greater than that of the other parts of the ring most of the energy is concentrated here The nickel plate is melt and welded to the battery With welding pen and portableThe gold plated terminal welding pen has good conductivity low contact resistance fast disassembly and easy to carry Copper pen holder with multi silica gel line humanized sleeve Wide application and warrantyThis DIY spot welder is mainly used for welding cylindrical batteries 18650 26650 32650 and other cylindrical lithium batteries Ni MH batteries and Ni Cd batteries can be welded firmly Specifications Product Name Mini spot welderMaterial PC ABS metalColor BlackGear 7