Heavy Duty and Industrial Welder to continuously work 24/7. It is a professional-grade 4.3KW high-power pulse spot welding machine designed specifically for 18650, 14500, 26650, and other lithium battery welding applications. This upgraded model combines precision, durability, and versatility—making it the ideal choice for electronic repair shops, battery manufacturing units, technical training centers, and DIY battery pack builders in Bangladesh.

With its adjustable welding pressure, precise calibration, foot pedal control, and fixed welding head design, the SUNKKO 737G ensures perfect weld spots on a variety of materials. It is widely used for nickel strip welding, battery pack assembly, and maintenance of electronic devices. The improved 144-square alloy welding arm enhances conductivity and reduces resistance, delivering reliable and consistent welds even during long working hours.

This complete set comes with essential accessories, including a foot pedal switch, multiple fuse tubes, welding pins, and nickel sample strips, ensuring you have everything ready for instant operation right out of the box.

Features:

Complete Set for Instant Use:
Includes the SUNKKO 737G unit, user manual, hex wrench, 2 fuse tubes, 2 pairs of welding pins, foot pedal switch, a 4-battery accessory, and 60 nickel samples—offering full convenience for beginners and professionals.

Adjustable Pressure System:
The adjustable welding pressure (7.05 oz – 24.69 oz) allows precise control over weld quality, helping achieve perfect results for different nickel strip thicknesses and material types.

Welding Calibration and Foot Pedal Control:
Easily fine-tune welding performance with full calibration control. The foot pedal switch ensures maximum precision and hands-free operation for both automatic and manual spot welding.

Fixed Welding Head with LED Light:
The 737G model features a fixed welding head that maintains consistent output current and stable weld strength. The built-in LED light assists in working efficiently under low-light conditions, ensuring accurate alignment and clean welds.

High Power and Reliable Performance:
With a maximum welding current of 1200A and up to 0.35mm welding thickness, this 4.3KW unit delivers stable and powerful performance for lithium-ion, LiFePO4, and other rechargeable battery types.

Wide Application:
Ideal for battery manufacturing, repair workshops, electric bike and scooter battery packs, as well as technical training institutes requiring reliable, precise, and efficient welding solutions.

Specifications:

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