DIY Portable Spot Welding Machine Set with Battery for 18650 Battery Group

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.