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  • Portable battery-powered spot welder with LCD
  • FNIRSI SWM-10 welding device with USB-C and powerbank
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  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C
  • FNIRSI SWM-10 – 1200A Portable Battery Spot Welder with USB-C

FNIRSI SWM-10 – Portable Spot Welder with 5000 mAh Battery

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FNIRSI SWM-10 – Portable Spot Welder with 5000 mAh Battery

Smart welding device with LCD screen, USB-C, and auto detection

The FNIRSI SWM-10 is a compact, battery-powered spot welder designed for welding nickel, steel, and aluminum strips up to 0.25 mm thick. It offers up to 1200 A of current, powered by dual 2500 mAh lithium batteries. A 1.8” color LCD displays voltage, temperature, pulse timing, and remaining battery. With auto-start, USB-C charging, USB-A output (powerbank), and safety features, it's perfect for field and workshop battery pack building.

Key Features

  • ● High-current welder for nickel, steel, and aluminum strips
  • ● Max current: 1200 A; weld thickness: 0.1–0.25 mm
  • ● 5000 mAh built-in battery – portable and powerful
  • ● 1.8" color LCD shows pulse, voltage, temperature, battery
  • ● USB-A output for charging devices, USB-C input for charging welder
  • ● Auto-detection with pulse settings (1–5), delay configuration
  • ● Auto-shutdown after 60 minutes of inactivity

Technical Specifications

  • ● Max welding current: 1200 A
  • ● Battery: 2×2500 mAh (total 5000 mAh)
  • ● Ports: USB-C (input), USB-A (powerbank)
  • ● Weld thickness: 0.1–0.25 mm
  • ● Display: 1.8" color LCD with warning icons
  • ● Safety: Short-circuit, overheat, and undervoltage protection
  • ● Dimensions: 155 × 82 × 28 mm

Package Contents

  • ● 1× FNIRSI SWM-10 spot welder
  • ● 2× Welding cables
  • ● 1× USB-C charging cable
  • ● 1× Set of nickel strips
  • ● 1× Spare welding tips
  • ● 1× English user manual
  • Note: Carrying case is not included in the set.
Smart welder with auto pulse and overheating protection
Compact field-ready battery welder with LCD screen

FAQ

Frequently Asked Questions about FNIRSI SWM-10 Spot Welder

It supports nickel, iron, aluminum, stainless steel strips from 0.1 mm to 0.25 mm thick.

Yes – it features two built-in lithium batteries totaling 5000 mAh and delivers up to 1200 A of welding current, making it ideal for mobile use.

It has three control buttons and a 1.8" screen where you can adjust pulse time, interval, number of pulses (1–5), and monitor temperature and battery level.

Yes – the device detects contact with the weld surface and automatically triggers the pulse after a set delay (default 0.8 s).

Yes – it includes a USB-A port for charging external devices, in addition to its USB-C charging input.

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