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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Brian S
Draper, US
★★★★★ 5
Fits
Size: 5424WS, Style: Workshop
Perfect fit for my 2019 Toyota Highlander. Quality filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
M
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Molar1
Belleville, US
★★★★★ 5
Works and fits my vehicle.
Size: 5424WS, Style: Workshop
The price is reasonable and was delivered on time. It’s a filter so there’s not much you can grade this on unless you do scientific analysis. Be certain to buy the filter that fits your car.
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Reviewed in the United States on May 26, 2026
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A A
Massapequa, US
★★★★★ 4
Good filter
Size: 5424WS, Style: Workshop
It seems to be working. It’s not something that will make a tangible difference, but it fit my car and was easy to install.
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Reviewed in the United States on August 12, 2024
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Verified Purchase
MagicMan34
Whiting, US
★★★★★ 5
Top quality at great price
Size: 5424WS, Style: Workshop
These are great filters for the money. The car dealer wanted 80 dollars to replace it. This can be done by anyone and buying it on here is even more savings. Do not fall for it at the dealer. Save your hard earned money!
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Reviewed in the United States on April 22, 2026
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Aliza
Pawtucket, US
★★★★★ 5
Excellent Engine Air Filter — Keeps Your Engine Breathing Clean!
Size: 5424WS, Style: Workshop
It’s a high‑quality replacement that does exactly what you want from an engine air filter — it helps protect your engine and keeps performance strong. Right away you can tell this is a well‑made part. The filter media has lots of pleats and high‑velocity cellulose material that’s designed to trap dirt and contaminants before they get into your engine, which helps reduce wear and tear on vital components. It offers up to ~98% filtration efficiency, so you know the incoming air is much cleaner and better for performance and fuel efficiency.
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Reviewed in the United States on February 26, 2026

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