SKU: 19301049197

SEQURE SQ-SW3 Capacitor Energy Storage Spot Welder

Sale price$136.94 Regular price$152.15
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

SEQURE SQ-SW3 Capacitor Energy Storage Spot WelderSEQURE SQ SW3 Capacitor Energy Storage Spot Welder Meet the SEQURE SQ SW3a capacitor energy storage spot welder that doesn't mess around. With a peak output of 2500A and support for fast, slow, and battery charging, this compact welder is built for serious DIYers, battery builders, and anyone who knows the thrill of fusing metal with precision. Housed in a sleek all metal aluminum body that doubles as a heat dissipating exosuit, the SQ SW3 is equipped

SEQURE SQ-SW3 Capacitor Energy Storage Spot Welder

Meet the SEQURE SQ-SW3—a capacitor energy storage spot welder that doesn't mess around. With a peak output of 2500A and support for fast, slow, and battery charging, this compact welder is built for serious DIYers, battery builders, and anyone who knows the thrill of fusing metal with precision.

Housed in a sleek all-metal aluminum body that doubles as a heat-dissipating exosuit, the SQ-SW3 is equipped with a 1.8" HD color screen, dual-language support, and two trigger modes (auto or manual, depending on your mood or caffeine level).

Whether you're spot welding nickel-plated strips, pure nickel up to 0.3mm thick, or copper sheets up to 0.2mm, this machine delivers power reliably without melting your pins into a sticky mess. And yes, the welding pins are aluminum oxide copper—because durability shouldn't be optional.

With both split (SWP25) and integrated (WP30) welding handles made from ultra-flexible, nickel-plated copper, you'll enjoy low resistance, high conductivity, and the soft touch of a welder that cares.

Key Features:

  • Max Output Current: 2500A
  • Output Voltage: 5.6V max
  • Welding Material Support:
    • Nickel Plating ≤ 0.5mm
    • Pure Nickel ≤ 0.3mm
    • Copper Sheet ≤ 0.2mm
  • Charging Methods: AC, DC, battery (XT60IE-M, Type-C, 5525)
  • Trigger Modes: Auto / Manual
  • HD LCD screen with English, Chinese, and Russian support
  • Dual welding handles: SWP25 split and WP30 integrated
  • Aluminum shell for better cooling and long lifespan
  • Multiple utility functions: LED light, temp detection, firmware upgrades, and more

Specifications:

  • Model: SQ-SW3
  • Display: 1.8" Color LCD
  • Dimensions: 223 × 133 × 68 mm
  • Weight: 1565g

What's in the Box:

  • SQ-SW3 Spot Welder × 1
  • 5.6V 15A Charger × 1
  • 19V 2A Charger × 1
  • USB Cable × 1
  • 18650 Battery Fixture × 1
  • 0.1×8mm Pure Nickel (5m) × 1
  • File × 1
  • SWP25 Split Handle × 2
  • Foot Pedal × 1
  • M3×2 Screw × 2
  • 1.5mm Hexagon Screwdriver × 1
  • M6×8 Screw × 4
  • 4.0mm Cross Screwdriver × 1
  • 10mm Hexagon Open-End Wrench × 2

⚠️ Please note: Included accessories may vary slightly depending on current supply. This unit does not ship with a UK plug, its a good idea to buy a plug adaptor

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 19301049197

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William harkins
Alexandria, US
★★★★★ 5
Great ink
I love this brand I was using it a few years ago when I was doing sublimation and am very glad that they are still in business
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Reviewed in the United States on June 6, 2026
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Charles
Belleville, US
★★★★★ 5
Great product
Thankyou love the 522ink works great on my crafting
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Reviewed in the United States on March 16, 2026
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Vince Meyer
Grantham, US
★★★★★ 5
Asurion Protection is worth it
After 3 years monitor had power issues. Asurion was unable to repair the monitor and provided a full refund with an Amazon Gift Card. Support was excellent and process was quick and easy.
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Reviewed in the United States on April 13, 2026
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Doc Rick
Carnegie, US
★★★★★ 5
MUST HAVE INSURANCE!
Excellent process to submit a claim! Easy claim submission, took less than 3 days for claim approval!
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Reviewed in the United States on June 11, 2026
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Regina
Lowell, US
★★★★★ 5
Quick and Fantastic Service!
I include the additional protection for all of my high dollar purchases. This was the first time I have ever had to use it. I had an extension to provide additional screens to my laptop. Unfortunately, it developed an issue. Submitting a claim was easy and straightforward. UPS came the next day to pick it up and I was notified in just a couple of days that it was received. Only a couple of days after that, I received an email stating that my laptop screens were not repairable and I was given an Amazon card for the entire purchase price. I could not have been more pleased, as the purchase price was $599 and was a huge splurge for me in the first place. I was able to quickly replace the screens and back in business in no time. I would recommend this protection plan for any high dollar purchase.
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Reviewed in the United States on January 12, 2024

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