Portable Spot Welder, TUNFOU Handheld Welding Pen kit for 18650 Battery with 6 Gears Adjustable, DIY Mini Spot Welder Machine with Nickel Sheet and Charging Cable (Black)

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Color: Black
Sale price$187.99 Regular price$219.90
Only 10 units left


  • 【Thermal Optimization】 This product uses large capacity and high quality lithium batteries, the discharge peak max value can reach 650A , all high-current circuit layouts, use infrared thermal imaging to optimize the design, and better share the discharge current.
  • 【Convenient operation】 long press 2s to turn on/off, short press to cycle to switch 6 gears, all operations can be quickly and conveniently performed, when it is off, it can be standby for up to one year due to low power efficiency.
  • 【Work efficiently】 The welding machine uses a single chip to precisely control the output current of the MOS tube, and generates a high temperature of more than 2000 degrees at the welding point to make the nickel sheet weld firmly.
  • 【Safety protection】 The welding machine itself has overcurrent protection, low voltage protection, overvoltage protection, and overtemperature protection. And other functions. Intelligent output current. Can guarantee safe use.
  • 【Quality & Portability】 The main engine shell made of aviation aluminum alloy, and the spot welding pen is made of high-quality copper. The small size allows you to carry it, whether it is indoors or outdoors, and the Type-C interface design can be charged at any time.

Product Description

Are you still looking for a portable yet powerful spot welder?

Kerpu spot welder can make you finish spot welding work accurately and efficiently, and it also has a long battery life, it can standby mode for more than a year without shutting down, it is not only powerful but also super portable, you only need a pocket to carry it!

Are you still looking for a portable spot welder with multiple precise control modes?

Kerpu portable spot welder has an eye protection blue light power display function, and specially designed to charge the intelligent circuit to protect the safety, it has 6 intensity welding mode, which allows you to precisely find the feeling you want to weld, so as to complete the work efficiently.

Smart power off

When the temperature is higher than 60 degrees Celsius, this spot welder is designed to automatically cut off the power supply, let you work in a safer situation.

Robust housing

The aluminum alloy shell is resistant to fall to ensure safety and wear-resistant, which can effectively prevent accidents from damaging and unusable to the spot welder.

Copper soldering pen

Anti-oxidation, the spot welding pens are easy to disassemble and assemble and easy to carry. And 15.8 inch welding pen length meets the needs of most welding work.

Circuit protection

The TUNFOU portable spot welder is specially designed with circuit protection to ensure that you can safely charge the spot welder in any situation.

Long battery life

The TUNFOU spot welder has a super life span that can be used for more than a few hours a day and can reach a year of super standby life mode without shutting down the machine.

Dedicated interface

The interface of TUNFOU spot welder is made of high quality copper material, which can make the perfect connection of spot welder parts and achieve sensitive operation.

Excellent Quality and Excellent After Sales

Here you can enjoy 24 hours a day online response and 365 days a year quality after sales, if you have any questions can be consulted in the mail, we will be the first time to answer you and give you the most satisfactory results.

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