{"product_id":"spot-welding-machine-circuit-board","title":"12V DIY Portable Spot Welding Machine PCB Circuit Board For Li-ion and LiFePO4 batteries","description":"\u003ch1 class=\"product-meta__title heading h1\"\u003e12V DIY Portable Spot Welding Machine PCB Circuit Board For Li-ion and LiFePO4 batteries\u003c\/h1\u003e\n\u003cp data-end=\"471\" data-start=\"82\" style=\"text-align: justify;\"\u003eThis spot welding machine circuit board is a high-current electronic control module designed for DIY and compact battery spot welding applications. It uses multiple parallel MOSFETs to deliver short, powerful current pulses required for welding nickel strips to lithium battery cells. The board is commonly used in handheld or bench-top battery pack spot welders.\u003c\/p\u003e\n\u003ch3 data-end=\"1041\" data-start=\"473\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eInput voltage: DC 12 V (battery powered)\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eInput current: High pulse current (hundreds of amps, depending on battery capability)\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eOutput type: Pulsed DC for spot welding\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eSwitching devices: High-power MOSFET array (parallel configuration)\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eControl method: Push-button trigger \/ external control pads\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eCapacitors: High-value electrolytic for pulse stabilization\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eConnections: IN+ \/ IN− (battery input), OUT+ \/ OUT− (welding electrodes)\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eMounting: PCB mounting holes\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"473\"\u003eCooling: Passive (MOSFET heat dissipation via PCB and airflow)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1467\" data-start=\"1043\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1467\" data-start=\"1043\"\u003eHigh current capability suitable for battery tab welding\u003c\/li\u003e\n\u003cli data-end=\"1467\" data-start=\"1043\"\u003eMultiple MOSFETs in parallel for low resistance and high efficiency\u003c\/li\u003e\n\u003cli data-end=\"1467\" data-start=\"1043\"\u003eCompact and lightweight design for portable spot welders\u003c\/li\u003e\n\u003cli data-end=\"1467\" data-start=\"1043\"\u003eFast pulse response for clean, precise welds\u003c\/li\u003e\n\u003cli data-end=\"1467\" data-start=\"1043\"\u003eSupports copper welding probes and thick power cables\u003c\/li\u003e\n\u003cli data-end=\"1467\" data-start=\"1043\"\u003eSimple wiring and easy integration into DIY projects\u003c\/li\u003e\n\u003cli data-end=\"1467\" data-start=\"1043\"\u003eDesigned for short-duration pulses to minimize battery stress\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1728\" data-start=\"1469\"\u003eApplications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1728\" data-start=\"1469\"\u003eLithium-ion battery pack assembly (18650, 21700, 26650 cells)\u003c\/li\u003e\n\u003cli data-end=\"1728\" data-start=\"1469\"\u003eNickel strip spot welding\u003c\/li\u003e\n\u003cli data-end=\"1728\" data-start=\"1469\"\u003eDIY battery welder projects\u003c\/li\u003e\n\u003cli data-end=\"1728\" data-start=\"1469\"\u003eRepair and rebuilding of rechargeable battery packs\u003c\/li\u003e\n\u003cli data-end=\"1728\" data-start=\"1469\"\u003eEducational and experimental high-current electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VISHA WORLD","offers":[{"title":"Default Title","offer_id":44138658824372,"sku":"VM01158","price":1450.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0527\/2692\/3444\/files\/Spot_Welding_Machine_Circuit_Board_1.jpg?v=1770204085","url":"https:\/\/vishaworld.com\/products\/spot-welding-machine-circuit-board","provider":"VISHA WORLD","version":"1.0","type":"link"}