Specification: Item Type: Spot Welding Machine Material: ABS brass Purpose: DIY 0.2MM nickel strip for 18650 battery Power: 5000W Battery: 2000mah Automatic Welding Adjustment Method: 1. The displayed number is the battery voltage, the knob remains unchanged, and the knob is used to adjust the current 2. Welding 0.1mm, the current is set to 5, welding 0.15mm, the current is adjusted to 6 positions, welding 0.2mm, the current is adjusted to 8 positions. How to Use: 1. When the upper of the welding nail becomes black, sand it with fine sandpaper; 2. Press the nickel tape with two soldering pens and step on the foot switch; 3. Wait about 0.5 seconds for output spot welding, and then release the foot switch; 4. Do not use the voltage below 7.3V, please charge in time. Package List: 1 x Welding Machine Host 1 x Plug 1 x Iron Sheet 1 x Matte Paper