FNIRSI SWM-20 1200A Dual-Pulse 2-in-1 Portable Battery Spot Welder

Name: FNIRSI SWM-20 1200A Dual-Pulse 2-in-1 Portable Battery Spot Welder
Brand: FNIRSI
SKU: SWM-20

SKU: SWM-20

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The portable handheld spot welder is a high-efficiency, convenient, and easy-to-carry welding tool that adopts dual-pulse spot welding technology to ensure more stable and reliable welds and also features a power bank function. It is equipped with a 2.4-inch high-definition display screen for intuitive and clearoperation, and a rotary encoder knob for parameter adjustment, allowing users to easily and accurately set welding parameters, thereby enhancing the user experience.

Features

1200A High-Current Output for Powerful Welding: Delivers up to 1200A peak current for strong and consistent welds across various materials.
Dual-Pulse Welding Technology for Stable Results: Uses a primary pulse to remove oxide and a secondary pulse for cleaner, more reliable welds.
Wide Material Compatibility (0.1–0.5mm Range)
Supports multiple materials including:
- Nickel-plated steel (max 0.4mm)
- Steel (max 0.5mm)
- Pure nickel (max 0.25mm)
- Iron (max 0.3mm)
- Copper & nickel-plated copper (max 0.1mm)
10,000+ Ultra-Fine Adjustment Levels: Provides precise power control to match different welding needs and materials.
Fully Adjustable Welding Parameters: Allows flexible control of preheat, pulse, interval, and continuous welding points.
2.4” TFT Color Display with Real-Time Data: Shows voltage, temperature, and welding parameters clearly for easy monitoring.
Rotary Knob Control for Precision Tuning: Enables fast and accurate parameter adjustments with intuitive operation.
Dual A-Grade 5000mAh Battery Cells: Ensures high power output, longer runtime, and stable performance.
Up to 1,500 Welding Cycles per Charge: Supports extended usage for both professional and DIY applications.
2-in-1 Spot Welder & Power Bank: Functions as both a welding tool and a 5V/2.1A USB power source.
Fast Type-C Charging (5V/2.1A): Provides efficient recharging for minimal downtime.
Detachable Pure Copper Welding Pens: Uses 99.9% copper tips for high conductivity, durability, and heat dissipation.
Compact and Portable Design: Lightweight handheld form factor for easy carrying and on-site work.
8-in-1 Smart Safety Protection System: Integrates over-temp, undervoltage, overcharge, over-discharge, short-circuit, voltage stabilization, low-temp, and impact protection for safe and reliable operation.
Adjustable Auto Shutdown (0–99 Minutes): Automatically powers off to save energy and enhance safety.
USB-C Firmware Upgrade Support: Allows future updates and performance improvements.
Versatile Application Scenarios: Ideal for battery pack building, e-bike repair, phone battery replacement, and DIY projects.