{"product_id":"diy-battery-spot-welding-pen-threaded-tip-copper-tube","title":"DIY Battery Spot Welding Pen – Threaded Tip, Copper Tube","description":"\u003cp\u003eTake your DIY electronics and battery projects to the next level with this \u003cstrong\u003ePoint Touch Spot Welding Pen\u003c\/strong\u003e. Engineered for hobbyists and makers, this handheld copper-core welding pen delivers precise, controlled contact welding — perfect for building battery packs, repairing electronics, and more. Available in 2 color options to suit your workbench setup.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreaded Tip Locking System:\u003c\/strong\u003e The tip is a threaded tightening fixed type, ensuring a secure hold during use — no slippage mid-weld.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCopper Tube Construction:\u003c\/strong\u003e Inner diameter of \u003cstrong\u003e8mm\u003c\/strong\u003e, supporting a maximum cable gauge of \u003cstrong\u003e4 AWG (approx. 7.5mm)\u003c\/strong\u003e for robust, low-resistance connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Welding Core:\u003c\/strong\u003e Compatible with a standard \u003cstrong\u003e100mm complete refill\u003c\/strong\u003e, which can be cut into 2 sections for extended use — giving you more value per refill.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManually Processed Welding Needle:\u003c\/strong\u003e Precision hand-finished spot welding needle with a core diameter of approximately \u003cstrong\u003e2.3–2.4mm\u003c\/strong\u003e. Please allow for a length tolerance of approximately \u003cstrong\u003e8mm\u003c\/strong\u003e due to the manual processing method.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design:\u003c\/strong\u003e Designed for enthusiasts who want hands-on control. Wiring requires basic skill — simply smooth out and twist a 7.5mm cable, then guide it slowly into the copper tube (reserve 10–15mm for secure seating).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandheld \u0026amp; Portable:\u003c\/strong\u003e Lightweight and easy to maneuver, making it ideal for precise spot welding tasks in tight spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCopper Tube Inner Diameter:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Cable Gauge:\u003c\/strong\u003e 4 AWG (~7.5mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWelding Needle Core Diameter:\u003c\/strong\u003e ~2.3–2.4mm (manual processing tolerance applies)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeedle Length Tolerance:\u003c\/strong\u003e ~8mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Refill Length:\u003c\/strong\u003e 100mm (can be cut into 2 sections)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor Options:\u003c\/strong\u003e 2 available\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Qme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cp\u003eWhether you're assembling lithium battery packs, doing electronics repairs, or tackling a custom DIY project, this spot welding pen gives you the control and precision you need. It's a go-to tool for makers, hobbyists, and electronics enthusiasts who demand reliable, repeatable welds.\u003c\/p\u003e\n\n\u003ch2\u003eSafety \u0026amp; Best Practices\u003c\/h2\u003e\n\u003cp\u003eAlways follow proper electrical safety practices when working with spot welding equipment. For guidance on electrical safety in DIY projects, refer to resources from the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What is the DIY Point Touch Spot Welding Pen used for?\u003c\/h4\u003e\n\u003cp\u003eA: This spot welding pen is designed for DIY battery pack assembly, electronics repair, and hands-on maker projects. It provides precise, handheld contact welding using a threaded, fixed copper-core tip — ideal for hobbyists working with battery cells or small electronic components.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What cable size is compatible with the copper tube?\u003c\/h4\u003e\n\u003cp\u003eA: The copper tube has an inner diameter of 8mm and supports a maximum cable gauge of 4 AWG (approximately 7.5mm). To connect, smooth out the cable, twist the strands together, and guide them slowly into the copper tube, leaving 10–15mm of cable extended for a secure connection.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the welding tip work and how do I replace it?\u003c\/h4\u003e\n\u003cp\u003eA: The welding tip uses a threaded tightening system for a fixed, stable hold during spot welding. The copper core is compatible with a standard 100mm refill, which you can cut into two sections for extended use. Simply thread the new tip in securely before beginning your project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are there size tolerances I should be aware of before purchasing?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — because the welding needles are manually processed, please allow for an approximate length tolerance of 8mm and a core diameter range of 2.3–2.4mm. Review these specifications carefully to ensure compatibility with your project before ordering.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the DIY Point Touch Spot Welding Pen used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This spot welding pen is designed for DIY battery pack assembly, electronics repair, and hands-on maker projects. 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