Description:  This is a kind of fine quality spot welding machine, self-carried with charge manage control module. Automatic trigger spot welding, 5 gears adjustable, easy to adjust according to your welding demands. Automatic store gear when shut off, it will default entering this gear nexttime you turn on. Dual charge interfaces design, micro USB and Type-C, also can be used as power pal to charge your phone.And it can welding hundreds of welding points on commonly used nickel-plated sheets within 0.1mm-0.15mm if fully charged. You can have a try. You can have a try.     Features:  Compact size, lightweight and portable, easy to carry and easy to use.  Automatic trigger spot welding, 5 gears adjustable, easy to adjust according to your welding demands.  Automatic store gear when shut off, it will default entering this gear nexttime you turn on.  Dual charge interfaces design, micro USB and Type-C, also can be used as power pal to charge your phone.  Output gears indicator light, 1gear-green light(lowest), 2gears-purple light, 3gears-white light, 4gears-blue light, 5gears-red light(highest). Equipped with electricity indicator light, different flash times to shows different electric quantity, flash 1 time(10-5%), 2 times(30-20%), 3 times(60-40%), 4 times(100-70%)automatical shutoff when it is in low power.  Low power consumption standby design for energy saving.  Anti-hot spot welding pen design, 3.5mm heat insulator with lengthening cable for freely use.  One button to on/off, easy to use, very convenient.     Specifications:  Name: Spot Welding Machine.  Material: ABS.  Battery: 1 x 5V, 4300mAh lithium battery (included).  Gears: 1-5 gears.  Input interface: Micro USB, Type-C.  Input current: 5V, 1A.  1A rated output capacity: 2800mAh.  Welding output voltage: 4.2V (max).  Welding output current: 800A (max).  Design welding current: 1200A.  Welding thickness: 0.1-0.15mm.  Item size: 125 x 80 x 31mm / 4.92 x 3.15 x 1.22in.  Item weight: 260g / 9.17ounce.  Package size: 150 x 90 x 50mm / 5.91 x 3.54 x 1.97in.  Package weight: 300g / 10.58ounce.     Packing Included:  1 x Spot Welding Machine.  2 x Spot Welding Pen