Multicolor Handheld Spot Welding Pen for 18650 Battery – Automatic Trigger DIY Welding Tool
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This handheld spot welding pen is designed to make 18650 battery welding quick, precise, and effortless. Built with a thick copper bar, it delivers strong conductivity and high working efficiency, ensuring consistent and reliable welds. Its integrated, compact design not only looks neat but also improves heat dissipation, helping the tool maintain stable performance during long sessions.
The dual-spring structure allows each welding arm to move independently, making it easier to adjust and work comfortably. With a built-in limit switch, the pen enables true one-hand operation - no need for foot pedals or extra triggers.
Whether you're assembling battery packs, repairing electronics, or building DIY power projects, this welding pen offers stable performance, long service life, and a smooth user experience.
| Working Voltage | DC 4–12V |
| Required Current | ≥800A |
| Material | Thick copper bar + durable body |
| Mechanism | Dual independent springs |
| Trigger Type | Built-in automatic limit switch |
| Operation | One-hand use, no pedal required |
| Suitable For | 18650 battery spot welding |
| Design | Integrated structure with improved heat dissipation |
| Grip | Comfortable, stable, and wear-resistant |
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