Specifications Product Name Battery Spot Welding MachineModel Number Awgem SH1 UpgradedOutput Power 11 adjustable gearsSpot Welding Modes Automatic ManualDimensions excluding welding pin 165mm x 45 5mm x 24mmInput Interface Type CInput Parameters 5V 2 1A MAX Output Voltage 4 2V MAX Working Temperature 10°C to 60°CCharging Temperature 0°C to 60°CFeatures 1 Integrated 2 in 1 Design Combines the built in power supply and soldering pen eliminating the need for external tools and enhancing portability for on the go repairs 2 Versatile Compatibility Designed for cylindrical batteries including 18650 26650 and 36650 as well as mobile phone batteries and battery powered devices making it ideal for DIY enthusiasts and professionals alike 3 Power Adjustment Options Features 11 adjustable output power levels to meet your spot welding requirements for different materials ensuring flexibility and precision 4 Enhanced Safety Features Equipped with temperature alarms overcharge protection short circuit safeguards and automatic shutdown functionality after 6 minutes of inactivity for secure and worry free usage 5 High Efficiency Design Designed for better heat dissipation with a long lasting high quality polymer battery Each charge allows over 1 500 spot welds ensuring optimized performance for extended tasks Package Included 1 x Handheld Spot Welding Machine1 x 2 Meter Nickel Plated Sheet1 x Piece of Dry Sanding Paper1 x Type C Charging Cable2 x Spare Weldi