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(Attention

: This spot welder can be used to weld pure nickel, nickel plated 

steel, nickel plated iron, iron and other alloys. It CANNOT weld metal like 

copper and aluminum.) 

 

Specification for welding part: 

Input voltage: AC 110 V/220 V

±

10% 

Welding current: 120 ~ 1200 A 

Single pulse time: 5ms 

Max. pulse quantity: 18 

Max. power output: 4.3 KW (instantaneous) 

 

Fixed welding part: 

Welding thickness for nickel plated steel: 0.15 ~ 0.35 mm 

Welding thickness for pure nickel: 0.12 ~ 0.25 mm 

 

Mobile welding part: 

Welding thickness for nickel plated steel: 0.05 ~ 0.2 mm 

Welding thickness for pure nickel: 0.05 ~ 0.15 mm 

 

Specification for mobile welding pen:

 

Welding needle distance (adjustable): 2 - 7 mm 

Total length: approx. 22.8" 

Cable cross sectional area: 16mm2 

Dimension of welding pins: 1.5x7mm 

 

Others 

Product dimension: 14x25x20cm 

Item weight: 7kg 

 

 

 

Packing List: 

737G+ main machine: 1 pc   

S70BN mobile welding pen: 1pc   

Copper welding rods: 2 pairs   

Mini grinder with USB cable: 1pc   

Copper welding pins for mobile pen: 1 pair   

Battery fixture: 1 pc   

Foot Pedal: 1 pc   

Fuse: 2 pcs   

Hexagon wrench: 1 pc   

0.15 x 8 x 100 mm (nickel plated steel) 50 pcs 

0.1 x 4 x 100 mm (nickel plated steel) 50 pcs   

Manual: 1pc

 

Summary of Contents for 737G+

Page 1: ...Model 737G Thank you for choosing Sunkko 737G battery spot welder let s now make the building of Lithium battery pack for our projects more convenient and efficient Manual ...

Page 2: ...oordinating hands and feet at the same time will make the long term welding process not so tiring plus the use of foot pedal during battery welding improves the precision of spot welding In this welding mode you need to adjust the pressure adjustor to make the spots more reliable and elegant Welding range 0 15 0 35mm for nickel plated steel 0 12 0 25mm for pure nickel strip Preparation steps 1 Fit...

Page 3: ...it welding head with copper welding rods 2 Turn on the main power switch and then turn on the welding power button 3 Adjust the pulse quantity and welding current level to make the spots more reliable and elegant 4 Weld your batteries with mobile welding pen Attention In all the steps mentioned above please make sure that the copper welding rods of the fixed head and the welding pins of the mobile...

Page 4: ...elding part Welding thickness for nickel plated steel 0 05 0 2 mm Welding thickness for pure nickel 0 05 0 15 mm Specification for mobile welding pen Welding needle distance adjustable 2 7 mm Total length approx 22 8 Cable cross sectional area 16mm2 Dimension of welding pins 1 5x7mm Others Product dimension 14x25x20cm Item weight 7kg Packing List 737G main machine 1 pc S70BN mobile welding pen 1pc...

Page 5: ...ible with the common voltage transformers in the market 7 Continuously spot weld too fast will speed up the loss of internal components of the spot welder We recommend that the time between each spot welding should be 3 seconds or longer Warranty information 1 What is covered This limited warranty covers defects in main machine 2 What is not covered The warranty does not cover any damage caused by...

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