Mini Spot Welder Machine, Portable Transistor 18650 Lithium Battery for Capacitor, Welding Tools, with Automatic Welding Mode, Single Chip Microcomputer Control and LCD Display Screen - Amazon.com
Upgraded Enhanced Rechargeable Portable Spot Welder Machine 11 Gear Adjustable Mini Small Battery Spot Welder DIY Spot Welding Nickel Strip and 18650 Battery Type-C Fast Charging 5M Nickel Strips - Amazon.com
Spot Welder, Kerpu Mini Spot Welder, Portable Spot Welder Machine, Spot Welding Equipment Energy Storage 5000mAh for DIY 18650 Battery, Portable Battery Welder with Type-C Port (Black-5000) - Amazon.com