W04 MINI Spot Welder 4-Speed Adjustment Spot Welding Machine 0.5mm For For 18650 Battery Battery Repair ,Easy to Use

In line with the e phone industry standard use , avoid breakdown of the battery The core breaks the accuracy of the traditional welding pen, and the pen tip is fine to 0.5mm Multi-power adjustable output for precise welding The spot welder is converted into a e power supply with a capacity of up to 3850mAh Temperature control protection Automatic power off after 5 minutes of standby