Description

Please note Sequre offers this in various packages, our stock is as shown in the listing image it includes the WP30 handle only.

The Sequre SQ-SW3 Capacitor Energy Storage Spot Welder delivers unmatched power with a peak 2500A output, handling nickel, copper, and more with precision. With dual trigger modes, fast charging, multi-language HD display, and durable aluminum design, this advanced welder ensures safe, stable, and continuous welding for professionals who demand speed, versatility, and reliability in every weld.

You can purchase the SWP25 foot pedal separately here: SEQURE SWP25 Foot Pedal for SQ-SW3 Spot Welder

Features

• Adopts high-quality, low-resistance MOS with max working current of 2500A — ideal for spot welding nickel plating, pure nickel, and copper sheets.
• Supports multiple charging methods: fast charging, slow charging, and battery charging — enabling continuous, stable operation.
• Constructed with an all-metal aluminum shell for fast heat dissipation; equipped with super farad energy storage capacitors for high energy, long life, and safety.
• Offers two trigger modes: auto and manual; includes features like solder point counting, temperature detection, LED light, and firmware upgrade support.
• Features an HD LCD color screen with multi-language support: Chinese, English, and Russian.
• Comes with aluminum oxide copper welding pins — hard, durable, non-melting, and non-stick to nickel strips; double head design enhances pin usage.
• Includes two types of spot welding handles: split handle (SWP25) and integrated handle (WP30); made from 25mm² ultra-soft, multi-strand copper wire with nickel plating — offering flexibility, low resistance, high overcurrent capacity, and anti-oxidation durability.

Specifications

• Model: SQ-SW3 Capacitor Energy Storage Spot Welder

• Screen Size: 1.8-inch color high-definition LCD

• Trigger Mode: Automatic mode / Manual mode

• Output Voltage: 5.6V (Max)

• Output Current: 2500A (Max)

• Supported Welding Thickness:

  • Nickel Plating: ≤0.5mm

  • Pure Nickel: ≤0.3mm

  • Copper Sheet: ≤0.2mm

• Charging Methods: AC, DC, fast charging, slow charging, battery charging

• Charging Ports:

  • XT60IE-M: 5.6V 15A Max

  • Type-C: PD3.0, DC 25V Max; also supports firmware upgrades

  • 5525 Port: DC 25V Max, battery 6S Max

  • Foot Pedal Interface: 3.5mm AUX (4 Feet)

• Product Size: 223 × 133 × 68 mm (L × W × H)

• Product Weight: 1565g

Package Includes

• 1 x Sequre SQ-SW3 Capacitor Energy Storage Spot Welder