SUNKKO® 737G Battery Spot Welder Pulse Spot Welding Machine for 18650 Lithium Batteries Battery Pack Building

$199.99 $139.99
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Sunkko 737G model is an intelligent precision pulse spot welder, which is designed to enhance the welding of thin metals without excessive heat buildup.

Features Overview

  • Use micro chip for controlling precision current to weld best.
  • Wide range of adjusting current(1/2 pulse, 1-99 current level), brings you convenience and efficiency.
  • Controlled by micro-computer switchs.
  • Welding power can be set and displayed on LED panel.
  • Fixed welding head's pressure adjusting knob enable you to set the proper stress, the welding spots are more elegant.
  • Using external pedal switch is comfortable to control welding spot.

Range of Applicaiton

  • Welding different kinds of rechargeable battery wire leads.
  • Welding and assembling lithium-ion battery and power bank.
  • Repairing battery packs.
  • Welding lead sheets ang wire of hardware parts.



Welding Thickness

  • Fixed welding head: 0.05-0.15mm pure nickel strip or 0.05-0.2mm nickel plated steel.

Electrical Parameters

  • Input Voltage: AC 110V
  • Power: 1.5KW
  • Primary Current: 2A-15A
  • Welding Current: 50A-800A
  • Time of 1 pulse: 0.5-5ms(adjustable)
  • Time of 2 pulses: 1-10ms(adjustable)
  • Welding Thickness: 0.05-0.2mm(1pulse: 0.05-0.12mm/2pulse: 0.12-0.2mm)
  • Work Cycle: less than 20 times in 1 minute for intermittent welding.
  • Range of welding needle pressure: 200-700g

Product Info

  • New weight: 4.3kg
  • Size(length, width, heigth): 140x245x200mm

Package List

  • Machine*1
  • Pedal Switch*1
  • Battery Fixture(4 cells)*1
  • Hex Wrench*1
  • Replacing Welding pins*4
  • Fuse*2
  • Nickel plated steel(samples)*60
  • Manual(Page 1,2,3,4)*1
 Shipping details
 Processing time: 1-2 business days Shipping time: 2-4 business days(Fedex Ground or USPS)       
One Year Warranty!