{"product_id":"spot-welding-machine-capacitor-based-12v-14-6v-battery-spot-welder-board-for-18650-21700-lithium-battery-pack-assembly-diy-battery-welding-controller","title":"Spot Welding Machine | Capacitor-Based 12V–14.6V Battery Spot Welder Board for 18650\/21700 Lithium Battery Pack Assembly, DIY Battery Welding Controller","description":"\u003cp\u003eThe Capacitor-Based Spot Welding Machine Board is a high-current battery welding controller designed for precise and efficient welding of nickel strips onto lithium-ion cells. Operating within a 12V–14.6V DC range, this compact welding module is widely used in DIY battery pack assembly, repair work, and small-scale energy storage system development.\u003c\/p\u003e\n\u003cp\u003eBuilt with 5 high-current HYG011N04 MOSFETs, the board ensures strong pulse discharge capability, enabling stable and reliable spot welding performance. It supports welding nickel strips commonly used in 18650, 21700, and other lithium battery configurations, making it ideal for battery pack builders and electronics technicians.\u003c\/p\u003e\n\u003cp\u003eThe capacitor-based energy discharge system (typically using 2200µF \/ 25V capacitors) delivers controlled high-current pulses for strong and clean weld points without damaging battery cells. The onboard trigger button allows easy manual operation, improving control and safety during welding tasks.\u003c\/p\u003e\n\u003cp\u003eDesigned for efficiency and durability, this spot welding controller is suitable for DIY makers, EV battery pack builders, robotics engineers, and electronic repair professionals working on lithium-ion battery systems.\u003c\/p\u003e\n\u003cp\u003eFeatures \u0026amp; Specifications:\u003c\/p\u003e\n\u003cp\u003e• Operating Voltage: 12V – 14.6V DC\u003cbr\u003e• Type: Capacitor-Based Spot Welding Controller Board\u003cbr\u003e• MOSFETs: 5 × HYG011N04 High-Current MOSFETs\u003cbr\u003e• Supports 18650, 21700 Lithium Battery Cells\u003cbr\u003e• Compatible Nickel Strip Thickness: 0.1mm – 0.15mm\u003cbr\u003e• Input Terminals: IN+ \/ IN−\u003cbr\u003e• Output Terminals: OUT+ \/ OUT−\u003cbr\u003e• Onboard Manual Trigger Button\u003cbr\u003e• High Current Pulse Discharge System\u003cbr\u003e• Stable and Efficient Welding Performance\u003cbr\u003e• Compact PCB Design for DIY Integration\u003c\/p\u003e\n\u003cp\u003eApplications:\u003c\/p\u003e\n\u003cp\u003e• Lithium-Ion Battery Pack Assembly\u003cbr\u003e• 18650 \/ 21700 Battery Welding\u003cbr\u003e• DIY Power Bank Construction\u003cbr\u003e• Electric Vehicle Battery Pack Repair\u003cbr\u003e• Robotics Battery System Building\u003cbr\u003e• Energy Storage Prototyping\u003cbr\u003e• Electronics Repair and Maintenance\u003cbr\u003e• R\u0026amp;D Battery Development Projects\u003cbr\u003e• Maker and Hobby Electronics Projects\u003cbr\u003e• Small-Scale Battery Manufacturing\u003cbr\u003e\u003c\/p\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":47363842048158,"sku":null,"price":1399.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/we-1.jpg?v=1780485943","url":"https:\/\/majestronicz.in\/products\/spot-welding-machine-capacitor-based-12v-14-6v-battery-spot-welder-board-for-18650-21700-lithium-battery-pack-assembly-diy-battery-welding-controller","provider":"MAJESTRONICZ","version":"1.0","type":"link"}