Portable Design – The handheld spot welder does not require an additional spot welding pen, making it portable and can be taken anywhere. It combines a built-in power supply and a welding pen in one unit, allowing for easy welding without an external welding pen.

Wide Application – Suitable for welding cylindrical lithium batteries such as 18650/26650/36650, mobile phone batteries, NiMH batteries, and NiCd batteries. It can also be used to weld iron, steel, and stainless steel plates with a thickness of less than 0.15mm/0.007 inches to other iron, steel, and stainless steel materials.

11 Adjustable Levels – This mini spot welder device has 11 adjustable output powers that can be adjusted according to the different materials you are spot welding. Levels 1-3 are for mobile phone batteries, levels 3-6 are for 0.1mm nickel plates, and levels 6-11 are for 0.12-0.15 nickel plates. It can spot weld more than 200 times on a single charge.

Easy to operate – The spot welder contains only two buttons, which can be easily and conveniently operated with one hand. Press the power on/off button on the side with your middle finger for 2 seconds, press the gear adjustment button on the top with your index finger once, and then press it for 2 seconds to adjust the automatic or manual mode.

Safe to use – The spot welder has high-quality polymer batteries, overcharge protection, temperature protection, short circuit protection, battery temperature abnormal alarm and spot welding break function, low battery voltage alarm. Ultra-low power consumption, longer standby time.