6 ar Adjustable Battery Spot Welder, Energy Stora Handheld Spot Welder For DIY 18650 Battery Cylindrical Battery Phone Bat ,Easy to Use

Equipped with 3.7-4.2V 6.7Ah high-rate power lithium battery with a dischar rate of 100C and a load capacity of about 400A. Instantaneous load capacity of about 650A. Ultra-low internal resistance, full Power. The battery has a capacity of 7,500 mAh and lasts lonr. It also comes with a charging control module, charging the battery through type-C interface, with a maximum input of 5V/2A.

And is chard with hundreds of welding points on commonly used nickel-plated sheets with the thickness less than 0.2mm/0.008inch. In the process of using, you don't need to use too much strength, just a little bit.