{"product_id":"fnirsi-smart-spot-welding-machine-portable-dual-pulse-swm-20","title":"Fnirsi smart spot welding machine portable Dual-Pulse SWM-20","description":"\u003cdiv style=\"font-size:1.1em;\"\u003e\n\u003ch2\u003eFnirsi smart spot welding machine portable Dual-Pulse SWM-20\u003c\/h2\u003e\n\u003cp\u003e A portable spot welder, intended primarily for home craftsmen and technical enthusiasts, enables quick repairs or assembly of smaller metal elements without the need for multiple tools.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e Quick and easy repair of thin metals without additional equipment.\u003c\/li\u003e\n\u003cli\u003e The compact design makes it easy to use in the field and in confined spaces.\u003c\/li\u003e\n\u003cli\u003e Suitable for various home or hobby tasks, such as repairing battery connections or small construction projects.\u003c\/li\u003e\n\u003cli\u003e Reduces the need to exchange multiple devices for specific metal parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003eFNIRSI SWM-20 is a portable 2-in-1 spot welder with dual pulse, high output power up to 1200 A and power bank function with 5000 mAh battery. It allows welding materials up to 0.5 mm thick and boasts a 2.4-inch TFT display, USB Type-C charging 5 V \/ 2.1 A and power bank function.\u003cbr\u003e\u003cbr\u003e\u003cp\u003e FNIRSI SWM-20 is a handheld battery spot welder with an output current of up to 1200 A, a 5 V \/ 2.1 A power bank function, support for welding materials with a thickness of 0.1-0.5 mm, a 2.4-inch TFT display and charging via USB Type-C. It is suitable for assembling battery packs, servicing electronics, replacing battery cells and repairing cordless tools.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e It uses dual pulse technology, where the first pulse helps remove oxidation and reduce spatter, while the second performs the main weld. It allows you to set preheat, pulse, interval and sequential welding points, and for precise control, there is a rotary knob, 180-degree display rotation and an adjustable stand. In addition, it has two detachable copper welding tips, 8 protection functions, automatic shutdown and the ability to upgrade via USB Type-C.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e – Double pulse for more stable and cleaner spot welding\u003cbr\u003e – Maximum welding current up to 1200 A for working with various strips and sheets\u003cbr\u003e – 2.4-inch TFT display with real-time voltage, temperature and settings display\u003cbr\u003e – Adjustable preheat, pulse, interval and 1-9 consecutive welding points\u003cbr\u003e – 5000 mAh power bank function with USB-A 5 V \/ 2.1 A output\u003cbr\u003e – Adjustable stand, 180-degree screen rotation and non-slip silicone base\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eTechnical features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e – Model: SWM-20\u003cbr\u003e – Design: 2-in-1, spot welder and power bank\u003cbr\u003e – Display: 2.4-inch TFT color display\u003cbr\u003e – Control: rotary encoder\u003cbr\u003e – Maximum welding current: 1200 A\u003cbr\u003e – Welding thickness range: 0.1-0.5 mm\u003cbr\u003e – Preset levels: 4 combined levels\u003cbr\u003e – Adjustment accuracy: more than 10,000 levels\u003cbr\u003e – Adjustable parameters: preheating, pulse, interval, continuous welding points\u003cbr\u003e – Automatic shut-off: 0-99 min\u003cbr\u003e – Software upgrade: via USB-C\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003e\u003cbr\u003eWelding materials:\u003c\/strong\u003e\u003cbr\u003e – Nickel\u003cbr\u003e – Iron\u003cbr\u003e – Stainless steel\u003cbr\u003e – Nickel-plated steel: up to 0.4 mm\u003cbr\u003e – Steel: up to 0.5 mm\u003cbr\u003e – Pure nickel: up to 0.25 mm\u003cbr\u003e – Iron: up to 0.3 mm\u003cbr\u003e – Copper and nickel-plated copper: up to 0.1 mm\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003e\u003cbr\u003ePower supply:\u003c\/strong\u003e\u003cbr\u003e – Battery capacity: 5000 mAh\u003cbr\u003e – Battery cells: 2x A-class\u003cbr\u003e – Charging: 5V \/ 2.1A\u003cbr\u003e – Discharge: 5 V \/ 2.1 A\u003cbr\u003e – Number of welding cycles per charge: up to 1500\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003e\u003cbr\u003eConnectivity:\u003c\/strong\u003e\u003cbr\u003e – Charging and upgrading: USB-C\u003cbr\u003e – Power bank output: 5 V \/ 2.1 A USB\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003e\u003cbr\u003eMaterials and execution:\u003c\/strong\u003e\u003cbr\u003e – Removable welding tip\u003cbr\u003e – Welding tips: 99.9% copper\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003e\u003cbr\u003eProtection:\u003c\/strong\u003e\u003cbr\u003e – Protection system: 8 protection functions\u003cbr\u003e – Overtemperature protection\u003cbr\u003e – Undervoltage protection\u003cbr\u003e – Overcharge protection\u003cbr\u003e – Over-discharge protection\u003cbr\u003e – Short circuit protection\u003cbr\u003e – Voltage stabilization\u003cbr\u003e – Low temperature protection\u003cbr\u003e – Impact protection\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003ePackage includes:\u003c\/strong\u003e 1x Fnirsi Smart Spot Welder Portable Dual-Pulse SWM-20, 1x Welding Head, 2x Replacement Tip, 1x USB Type-C Cable, 1x Nickel Strip, 1x Instructions\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e Dimensions: 230 x 150 x 70 mm\u003cbr\u003e Weight: 0.6000 kg\u003cbr\u003e Warranty: 12 months\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e \u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e Shenzhen FNIRSI Technology Co., Ltd.\u003cbr\u003e 8F, Weihuada Industrial Park C building West, Li Rong Road Da Lang Street, \/ Longhua District\u003cbr\u003e 518109 Shenzhen\u003cbr\u003e China\u003cbr\u003e jason@fnirsi.com\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e \u003cstrong\u003eData of the responsible person in the EU:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e Tech Trade doo Trzin\u003cbr\u003e Blatnica 8\u003cbr\u003e 1236 Trzin, Slovenia SL\u003cbr\u003e info@techtrade.si\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eIt is important to know\u003c\/h2\u003e\u003cp\u003e Before choosing the Fnirsi Dual-Pulse SWM-20 smart spot welder, it is crucial to consider whether its design and functionality match your high-end and precise tasks of welding small metal parts. Pay special attention to how much and what types of materials you will weld most often, as it is said that this type of tool is not universal for all tasks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e It is effective for specialized use, but for highly varied or high-demanding tasks it may not replace larger or more robust devices.\u003c\/li\u003e\n\u003cli\u003e If you often perform precision welding in confined spaces, the compact design allows for better accessibility and control while working.\u003c\/li\u003e\n\u003cli\u003e The portable design is ideal for mobile users or those who need the tool in different locations, but it also means certain limitations in performance compared to stationary devices.\u003c\/li\u003e\n\u003cli\u003e Check the device's setting or adjustment options in advance based on your working needs - not every setting is optimal for every type of material or thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003cem\u003eSource of editorial recommendations: general verifiable guidelines for product selection.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003e In practice\u003c\/h2\u003e\u003ch3\u003e 🟢 Assembly or repair of electronic components\u003c\/h3\u003e\u003cp\u003e The tool is very suitable for precise joining of small metal parts, where precision and limited access to the workplace are required.\u003c\/p\u003e\u003ch3\u003e 🟡 Field servicing of household appliances\u003c\/h3\u003e\u003cp\u003e Suitable with limitations – you can take the device into the field due to its portability, but in the case of very bulky or heavy materials, there may be limitations in power or capacity.\u003c\/p\u003e\u003ch3\u003e 🟢 Working in confined or challenging spaces\u003c\/h3\u003e\u003cp\u003e The compact size allows use in narrow or hard-to-reach places where larger conventional welding machines are not suitable.\u003c\/p\u003e\u003ch3\u003e 🔴 Welding of thicker or highly stressed metals\u003c\/h3\u003e\u003cp\u003e Less suitable – due to limited power and the specific design of the device, it is not suitable for robust construction tasks or welding thick metal profiles.\u003c\/p\u003e\u003ch2\u003e Answers to frequently asked questions\u003c\/h2\u003e\u003ch3\u003e Is the device also suitable for precision work in electronics?\u003c\/h3\u003e\u003cp\u003e Yes, due to its size and ability to operate precisely, it is suitable for work where precision couplings are required.\u003c\/p\u003e\u003ch3\u003e What limits the usability of this portable device compared to larger models?\u003c\/h3\u003e\u003cp\u003e Portability means slightly less power and capacity, so it's not the best choice for welding very thick metals or working with demanding materials.\u003c\/p\u003e\u003ch3\u003e How does it perform when working in different locations?\u003c\/h3\u003e\u003cp\u003e Due to its light weight and compactness, it is suitable for users who frequently change jobs or need a handy device for the field.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e\u003cbr \/\u003e\n{\u003cbr \/\u003e\n  \"@context\": \"https:\/\/schema.org\",\u003cbr \/\u003e\n  \"@type\": \"FAQPage\",\u003cbr \/\u003e\n  \"mainEntity\": [\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali je aparat primeren tudi za natančna opravila v elektroniki?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Da, zaradi svoje velikosti in sposobnosti natančnega delovanja je primeren za dela, kjer so zahtevane precizne spojke.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kaj omejuje uporabnost tega prenosnega aparata v primerjavi z večjimi modeli?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Prenosnost pomeni nekoliko manjšo moč in zmogljivost, zato ni najboljša izbira za varjenje zelo debelih kovin ali delo z zahtevnimi materiali.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kako se obnese pri delu na različnih lokacijah?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Zaradi majhne teže in kompaktnosti je primeren za uporabnike, ki pogosto menjavajo delovna mesta ali potrebujejo priročen aparat za na teren.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    }\u003cbr \/\u003e\n  ]\u003cbr \/\u003e\n}\u003cbr \/\u003e\n\u003c\/script\u003e\u003cp style=\"font-size: 0.9em; color: #666;\"\u003eDescription updated: August 2026\u003c\/p\u003e\u003ch2\u003e Why buy from ENAA?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e The fastest in Slovenia: more than 95% of orders are delivered the next business day.\u003c\/li\u003e\n\u003cli\u003e At ENAA, we publish prices transparently and without hidden costs - you always see the best deal without confusion with \"crossed out\" prices.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fnirsi","offers":[{"title":"Default Title","offer_id":58727593410891,"sku":null,"price":66.92,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/enaa.eu\/products\/fnirsi-smart-spot-welding-machine-portable-dual-pulse-swm-20","provider":"Enaa","version":"1.0","type":"link"}