Adjustable 6 Gears DIY Spot Welding Machine With Quick Release Pen Nickel Plate 18650 Battery Welder Spot Welder ,Easy to Use

1. Reinforce the interface, protect the rubber ring, the wire is not easy to break, stable and reliable. 2. External copper spot welding base, single-hand continuous welding, reduce power consumption. 3. Built-in rechargeable lithium battery, more , USB charging , convenient and fast. 4. Non-slip rubber foot mat, wear-resistant, anti-slip, shock-absorbing and anti-pressure. 5. Wide range of use: suitable for the same spot welding machine, can be used for various battery spot welding.