{"product_id":"8000w-portable-spot-welder-pen-kit-18650-battery-nickel-strip","title":"8000W Portable Spot Welder Pen Kit for 18650 Battery \u0026 Nickel Strip","description":"\n\u003ch2\u003e8000W DIY Portable Spot Welding Machine Pen Kit\u003c\/h2\u003e\n\u003cp\u003eTake your battery pack builds to the next level with this compact yet powerful \u003cstrong\u003e8000W Automatic Spot Welding Pen Kit\u003c\/strong\u003e. Designed for DIY enthusiasts and electronics hobbyists, this mini spot welder delivers professional-grade welds on 18650 battery packs and nickel strips — all from a device small enough to fit in your pocket. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Power Output:\u003c\/strong\u003e 8000W output handles nickel strip welding with ease, producing clean, firm solder joints every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Compact:\u003c\/strong\u003e Pocket-sized design makes it easy to carry to your workshop, garage, or job site — weld wherever you need to.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Assembly Kit:\u003c\/strong\u003e Perfect for makers and builders who love hands-on projects. Assemble the kit yourself and learn the mechanics as you go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Nickel Strip Compatibility:\u003c\/strong\u003e Supports 0.1mm, 0.15mm, 0.2mm, 0.25mm, and 0.3mm nickel strip thicknesses for a wide range of battery assembly applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Current:\u003c\/strong\u003e Fine-tune the welding current to match different material thicknesses for optimal results.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaceable Welding Pins:\u003c\/strong\u003e Worn-out tips are easy to swap out, extending the life of your welder significantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Battery Life:\u003c\/strong\u003e A single full charge delivers thousands of spot welds before needing a recharge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeginner-Friendly Operation:\u003c\/strong\u003e Simple controls mean you can get started quickly with minimal learning curve.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Output:\u003c\/strong\u003e 8000W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Strip Thickness:\u003c\/strong\u003e 0.1 \/ 0.15 \/ 0.2 \/ 0.25 \/ 0.3mm nickel strip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Use:\u003c\/strong\u003e 18650 lithium battery pack assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWelding Pins:\u003c\/strong\u003e Removable and replaceable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent:\u003c\/strong\u003e Adjustable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Note:\u003c\/strong\u003e This spot welder is specifically designed for battery spot welding. It is \u003cstrong\u003enot\u003c\/strong\u003e suitable for welding copper, gold, silver, or other metals. Dimensions may vary by ±1–2cm due to manual measurement.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types is this spot welder kit designed for?\u003c\/h4\u003e\n\u003cp\u003eA: This 8000W portable spot welding pen kit is specifically designed for assembling \u003cstrong\u003e18650 lithium battery packs\u003c\/strong\u003e using nickel strips. It is not intended for welding copper, gold, silver, or other non-battery metals.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What nickel strip thicknesses does this spot welder support?\u003c\/h4\u003e\n\u003cp\u003eA: The spot welder supports nickel strips ranging from \u003cstrong\u003e0.1mm to 0.3mm\u003c\/strong\u003e in thickness, including 0.1mm, 0.15mm, 0.2mm, 0.25mm, and 0.3mm — making it highly versatile for various battery pack assembly projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this spot welder kit ready to use out of the box?\u003c\/h4\u003e\n\u003cp\u003eA: This is a \u003cstrong\u003eDIY kit that requires assembly\u003c\/strong\u003e. It's ideal for makers who enjoy hands-on builds. The operation is straightforward once assembled, and the adjustable current makes it easy for beginners and experienced users alike.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does a charge last on this portable spot welder?\u003c\/h4\u003e\n\u003cp\u003eA: When fully charged, this compact spot welder can produce \u003cstrong\u003ethousands of spot welds\u003c\/strong\u003e, making it efficient for large battery pack assembly sessions without frequent recharging.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types is this spot welder kit designed for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 8000W portable spot welding pen kit is specifically designed for assembling 18650 lithium battery packs using nickel strips. 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