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COOLING FAN

: 797DH is also equipped with a temperature sensor and a 

cooling fan, when the inner temperature gets higher than a certain value, the 

cooling fan will work automatically. 

 

Two ways of welding:   

 

Fixed welding head with foot pedal

: You can build your battery pack with the 

fixed welding head and foot pedal. Coordinating 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. 

Welding range

: 0.05~0.3mm for nickel plated steel, 0.05~0.25mm for pure nickel 

strip; 

Preparation steps

1.  Fit the fixed welding head with copper welding rods before the machine 

powers on. 

2.  Plug in foot pedal. 
3.  Turn on the power switch. 
4.  Adjust the pulse quantity and welding current level to make the spots 

more reliable and elegant. 

5.  Weld your batteries with fixed welding head along with the foot pedal. 

 

Mobile welding pen with foot pedal

: The mobile welding pen effectively extends 

your welding area, and this design is popular among electric hobbyist, because 
they can build large lithium battery packs for their e-bikes or other projects. 

Welding range

: 0.05~0.2mm for nickel plated steel, 0.05~0.15mm for pure nickel 

strip; 

Preparation steps

1.  Insert mobile welding pen. 
2.  Plug in foot pedal. 
3.  Turn on the main power switch. 
4.  Weld your batteries with mobile welding pen along with the foot pedal. 

 

(

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 welding pen are not in contact with 
each other to avoid short circuit. 

  When users need to adjust the distance between welding pins on mobile welding pen 

or distance between copper welding rods of fixed head, please turn off the welder first, 
do not adjust the distance when the welder is on. 

  Welding with fixed welding head only is not supported.) 

 

In general, there are three ways to increase the power output: You can adjust 

the welding current, welding pulses or the cluster pulse knob to increase the 

power output if you are welding a thicker nickel sheet. You may need to play 

with them a bit to get the best combination for your specific use. 

Содержание 797DH

Страница 1: ...Model 797DH Thank you for choosing Sunkko 797DH battery spot welder let s now make the building of Lithium battery pack for our projects more convenient and efficient Manual ...

Страница 2: ...set On the basis of sunkko 709 series LCD we added an extra part to show the dynamic welding current and pulse quantity during the welding process The value at the lower left corner stands for the dynamic welding current 0 1 equals to 100 amps The value at the lower right corner is the dynamic pulse quantity The right pulse quantity will be displayed after the first welding when you adjust the pul...

Страница 3: ...797DH can also be used with our professional welding desks ...

Страница 4: ...welding area and this design is popular among electric hobbyist because they can build large lithium battery packs for their e bikes or other projects Welding range 0 05 0 2mm for nickel plated steel 0 05 0 15mm for pure nickel strip Preparation steps 1 Insert mobile welding pen 2 Plug in foot pedal 3 Turn on the main power switch 4 Weld your batteries with mobile welding pen along with the foot p...

Страница 5: ...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 70B Welding needle distance adjustable 2 7 mm Total length approx 22 4 Cable cross sectional area 16mm2 Dimension of welding pins 1 5x7mm Others Product dimension 14x25x20cm Item weight 7kg Packing List 797DH main machine 1 pc mobile ...

Страница 6: ...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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