{"product_id":"spot-welding-fixture-bracket-18650-21700-battery-assembly","title":"Spot Welding Fixture Bracket for 18650 \u0026 21700 Batteries","description":"\u003cp\u003eKeep your lithium battery cells perfectly aligned and secure during spot welding and assembly with this \u003cstrong\u003eSpot Welding Fixed Assembly Bracket\u003c\/strong\u003e. Designed to accommodate both \u003cstrong\u003e18650 and 21700 battery cells\u003c\/strong\u003e, this fixture delivers professional-grade precision for DIY battery pack builds, e-bike projects, power tool repairs, and more — all from the comfort of your own workshop.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from durable \u003cstrong\u003ePLA material\u003c\/strong\u003e and measuring a compact \u003cstrong\u003e16.2 × 7.7 × 3 cm\u003c\/strong\u003e, this bracket is lightweight yet sturdy enough to hold cells firmly in place while you work. Available in \u003cstrong\u003e4 color options\u003c\/strong\u003e, it's a practical and tidy addition to any maker's toolkit.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Supports both 18650 and 21700 cylindrical lithium battery cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Precision:\u003c\/strong\u003e Holds cells securely for accurate, consistent spot welds every time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable PLA Construction:\u003c\/strong\u003e Lightweight, impact-resistant material built for repeated daily use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e 16.2 × 7.7 × 3 cm size fits neatly on any workbench\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for DIY battery packs, e-bikes, power tools, solar storage, and hobbyist electronics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Color Options:\u003c\/strong\u003e Choose a style that suits your workspace aesthetic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PLA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 16.2 × 7.7 × 3 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Cells:\u003c\/strong\u003e 18650, 21700\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e 4 options\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Qme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY lithium battery pack assembly\u003c\/li\u003e\n  \u003cli\u003eE-bike and electric vehicle battery projects\u003c\/li\u003e\n  \u003cli\u003ePower tool battery rebuilds\u003c\/li\u003e\n  \u003cli\u003eSolar energy storage builds\u003c\/li\u003e\n  \u003cli\u003eHobbyist electronics and maker spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe handling of lithium battery cells in DIY projects, visit the U.S. Consumer Product Safety Commission (CPSC) Lithium Battery Safety resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which battery cell sizes does this spot welding fixture bracket support?\u003c\/h4\u003e\n\u003cp\u003eA: This spot welding fixed assembly bracket is designed to accommodate both \u003cstrong\u003e18650 and 21700\u003c\/strong\u003e cylindrical lithium battery cells, making it highly versatile for a wide range of DIY battery pack projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is the 18650 21700 spot welding fixture made from?\u003c\/h4\u003e\n\u003cp\u003eA: The fixture is constructed from \u003cstrong\u003ePLA (polylactic acid)\u003c\/strong\u003e, a durable and lightweight material. It measures 16.2 × 7.7 × 3 cm, making it compact enough to fit on any workbench without taking up too much space.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this battery welding bracket suitable for beginners?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. While it delivers professional-grade results, the bracket is straightforward to use and is equally suitable for hobbyists and experienced makers. It holds cells firmly in place so you can focus on achieving clean, precise spot welds every time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this fixture for assembling e-bike battery packs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This bracket is ideal for assembling e-bike battery packs, power tool battery rebuilds, solar storage systems, and any project requiring secure positioning of 18650 or 21700 lithium cells during spot welding.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery cell sizes does this spot welding fixture bracket support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This spot welding fixed assembly bracket is designed to accommodate both 18650 and 21700 cylindrical lithium battery cells, making it highly versatile for a wide range of DIY battery pack projects.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the 18650 21700 spot welding fixture made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The fixture is constructed from PLA (polylactic acid), a durable and lightweight material. 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