{"product_id":"portable-handheld-spot-welder-11-gear-diy-battery-welding-machine","title":"Portable Handheld Spot Welder 11-Gear DIY Battery Welding Machine","description":"\n\u003ch2\u003ePortable Handheld Spot Welder – 11 Adjustable Gears | DIY Battery Welding Machine\u003c\/h2\u003e\n\u003cp\u003eTake your DIY battery building and electronics projects to the next level with this compact, powerful handheld spot welder. Designed for makers, hobbyists, and technicians alike, this energy-storage spot welder delivers up to 650A of output current through an intuitive 2-button interface — no external spot welding pen required. Whether you're at your workbench or on the go, this all-in-one device has you covered.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Spot Welding Pen Needed:\u003c\/strong\u003e Built-in electrode tips mean you can weld straight out of the box — perfect for home workshops and field use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Ideal for 18650, 26650, 36650, and other cylindrical lithium cells, mobile phone battery packs, and various electronic assemblies requiring battery connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple 2-Button Operation:\u003c\/strong\u003e Clearly labeled buttons make switching between automatic and manual modes effortless — even for first-time users.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e11 Adjustable Power Levels:\u003c\/strong\u003e Fine-tune output energy across 11 gears to match the thickness and material of your nickel strip for clean, consistent welds every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Safety Protections:\u003c\/strong\u003e Features overcharge protection, temperature monitoring, short-circuit protection, abnormal battery temperature alarm, automatic welding shutdown, and low-voltage alarm — all packed into a compact handheld form factor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Type-C Charging:\u003c\/strong\u003e Charges conveniently via any standard Type-C cable (included). Ultra-low standby power consumption keeps it ready when you need it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGear Settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 Levels (Adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWelding Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic \/ Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e43 × 25 × 192 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 1A (MAX)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V (MAX)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e650A (MAX)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Handheld Spot Welder (Model H1)\u003c\/li\u003e\n  \u003cli\u003e1 × 2-Meter Nickel-Plated Strip\u003c\/li\u003e\n  \u003cli\u003e1 × Matte Paper Sheet\u003c\/li\u003e\n  \u003cli\u003e1 × Type-C Charging Cable\u003c\/li\u003e\n  \u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety Note\u003c\/h3\u003e\n\u003cp\u003eAlways follow proper safety protocols when working with high-current welding equipment. For guidance on electrical safety in DIY and workshop settings, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003eUpgrade Your Workshop Space with Motivational Wall Art\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of batteries is this handheld spot welder compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This portable spot welder is compatible with 18650, 26650, 36650, and other standard cylindrical lithium battery cells, as well as mobile phone battery packs and a wide range of electronic devices that require battery assembly or repair.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I charge the spot welder?\u003c\/h4\u003e\n\u003cp\u003eA: The spot welder charges via a standard USB Type-C cable (included in the package). Simply connect it to any 5V\/1A USB power source to recharge the internal polymer battery.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What safety features does this device include?\u003c\/h4\u003e\n\u003cp\u003eA: The H1 spot welder includes overcharge protection, temperature protection, short-circuit protection, abnormal battery temperature alarm with automatic welding shutdown, and a low battery voltage alarm — making it a safe and reliable tool for DIY battery work.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can beginners use this spot welder?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! With only 2 clearly labeled buttons and 11 easily adjustable power levels, this welder is designed to be user-friendly. The included user manual walks you through setup and operation step by step.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does it come with nickel strip material?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the package includes a 2-meter nickel-plated strip, matte paper, a Type-C charging cable, and a user manual — everything you need to get started right away.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of batteries is this handheld spot welder compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This portable spot welder is compatible with 18650, 26650, 36650, and other standard cylindrical lithium battery cells, as well as mobile phone battery packs and a wide range of electronic devices that require battery assembly or repair.\"}}, {\"@type\": \"Question\", \"name\": \"How do I charge the spot welder?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The spot welder charges via a standard USB Type-C cable (included in the package). 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