Features: This handheld spot welder eliminates the need for an additional spot welding pen, making it more convenient With 11 adjustable output power levels, this spot welding machine allows for precise welding on different materials. From DIY enthusiasts to professionals, this spot welder is perfect for anyone who needs to weld cylindrical batteries or repair electronic devices. Whether you are building battery packs, repairing tools, or transplanting mobile phone batteries, this spot welder has got you covered. Wide Applications Build And Repair Battery Packs Battery welding can build 18650/26650/326650 battery packs. Building Ebike Pack Using old product batteries and replacing them with damaged ones The thickness of spot welding is between 0.1-0.15 or 0.2. Before formal spot welding, please practice using our nickel sheet to find the feel and skills of spot welding. Specifications: Material: ABS Model：H1 Size: as Picture Input： DC5V Battery:18650 LithiumBattery Package Includes: 1PC Handheld Spot Welder 1PC Nickel Plated Sheet 1PC FrostedPaper 1PC Type-C Charging Cable 1PC Manual note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Thank you. Due to the differences of camera equipment, light intensity and display screens, the color of the item may be slightly different from that shown in the pictures.