FNIRSI SWM-20 Portable Spot Welder Double waveform Battery Welding Machine 18650 Battery DIY Pack Welding Tool 0.5mm Nickel Chip
The SWM-20 Portable Handheld Spot Welder is an efficient, convenient, and highly mobile welding tool designed for precision. Featuring advanced dual-waveform technology, it ensures exceptionally stable and robust welds every time. Beyond welding, it doubles as a versatile power bank for your devices. The integrated 2.4-inch HD display provides a clear, intuitive interface, while the precision encoder knob allows for effortless and accurate parameter adjustments, significantly elevating the overall user experience.
Advanced Double waveform Technology for Industrial-Grade Welds
Equipped with a powerful 1200A max output and advanced double-waveform welding technology, this tool ensures cleaner, stronger, and more consistent welds. The pre-heat and main waveform stages work together to eliminate sparks and oxidation, making it perfect for building massive 18650/21700 battery packs with professional-level stability.
2.4" HD Color Display & Precision Encoder Tuning
Features and Specifications
- The vibrant 2.4-inch high-definition screen provides a crystal-clear real-time view of your parameters, including pre-heat, interval, and waveform width. Combined with a tactile encoder knob, you can adjust settings with surgical precision for a much smoother, more intuitive experience than traditional button-only models.
- Professional 0.5mm Welding Range & Customizable Gears
- The SWM-20 effortlessly welds nickel, iron, and stainless steel sheets with thicknesses ranging from 0.1mm to 0.5mm.With 4 combination gear modes and adjustable continuous spotting (1-9 dots), you can perfectly tailor the heat output to match the thickness of your specific project materials.
- 2-in-1 Versatility: Spot Welder & 5000mAh Power Bank
- The SWM-20 features a high-rate 5000mAh lithium battery that supports 5V/2.1A fast charging and discharging. Not only is it a top-tier welding tool, but it also serves as a reliable portable power bank to charge your smartphones or tablets during outdoor repairs or emergencies.
- Compact, Portable & Safety-First Design
- Designed for the DIY enthusiast and professional technician alike, this handheld welder is compact enough to fit in your pocket or toolbox. The ergonomic design ensures a comfortable grip for long sessions, while the integrated safety management system prevents overheating, making it the ideal on-the-go solution for battery pack maintenance and lab experiments.
- Battery Capacity: 5000mAh
- Charging: 5V/2.1A
- Discharging: 5V/2.1A
- Welding Materials: Nickel, lron, Stainless Steel
- Welding Thickness: 0.1-0.5mm
- MAX Welding Current Level: 1200A 4 Preset Combination Levels
- 1.SWM-20 Spot Welder
- FNIRSI SWM-20 Portable Spot Welder Double waveform Battery Welding Machine 18650 Battery DIY Pack Welding Tool 0.5mm Nickel Chip is listed as a Soldering & Rework Tool for customers who need clear model, compatibility, and specification information before ordering.
- Key Specifications
- Brand / series: FNIRSI
- Listed model terms: SWM-20
- Visible listed specs: 0.5mm, 5mm
- Selectable options: SWM-20
- Electronics repair, test, and development workflows
- Bench or field troubleshooting
- Project integration and replacement planning
- Check the selected variant, plug, frequency, voltage, connector, or package option before checkout.
- Match the listed measurement range, interface, and accessory requirements to your bench or field setup.
- Use the product within its rated limits and follow normal electrical, RF, laser, battery, or workshop safety practices where applicable.
