FNIRSI SWM-10 – Smart Portable Spot Welder with Color Display & Precision Control

Take your battery welding projects to the next level with the FNIRSI SWM-10, a smart, portable spot welder engineered for precision, speed, and user convenience. Equipped with a vivid color LCD display and advanced control features, this compact yet powerful device is the ultimate tool for DIY enthusiasts, battery builders, and electronics professionals alike.

Designed with intelligent dual-mode operation (Auto/Manual) and adjustable pulse timing, the SWM-10 ensures perfect welds every time — whether you’re working with 18650 lithium batteries, nickel strips, or delicate tab connections. The real-time visual feedback on the display allows for fine-tuning and monitoring, giving users full command over welding current, pulse duration, and temperature management.

Its portable and lightweight body makes it easy to carry and operate in tight workspaces, while the premium copper welding pen ensures high conductivity and stability during high-power output.

Key Features:

• Smart Control System: Real-time digital interface with adjustable pulse time and power level.

• Color LCD Display: Bright, intuitive screen for monitoring current, pulse duration, mode, and status.

• Dual Welding Modes: Auto and Manual mode support for various welding styles and materials.

• Compact & Portable: Ideal for bench-top work, field repairs, or mobile setups.

• High-Precision Output: Delivers stable performance for delicate or demanding welding tasks.

• Wide Application: Perfect for welding battery tabs (18650, 21700), nickel strips, small hardware, and more.

Ideal For:

• Lithium-ion battery pack builders

• Electronics repair technicians

• DIY hobbyists

• Spot welding educational kits and lab setups

Technical Highlights:

• Input Voltage: DC 12V–16.8V

• Welding Current: Up to 650A (with premium battery setup)

• Pulse Time Range: 1–99ms

• Display: Full-Color LCD

• Welding Thickness: Up to 0.2mm Nickel Strip (recommended)