SUNKKO® 797DH Battery Spot Welder with Display 0.3mm

$270.40 - $299.99
Usually ships within 1 business days
Calculated at Checkout
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Hardware > Tool Accessories > Welding Accessories

Sunkko 797DH is designed for people working in battery spot welding business. It has a great improvement in LCD display and design compared with sunkko 709 series.

Welding Thickness: The huge power output enables 797DH to weld pure nickel easily which thickness is 0.2mm(nickel coated steel: 0.3mm), even when you are welding batteries with the mobile welding pen, the welding thickness can be also up to 0.2mm.

3 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.

LCD Display: The welding current and pulse can be easily set. On the basis of sunkko 709 series LCD, we added an extra part to show the dynamic welding current and pulse number during the welding process in real time. 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.

More Options: Sunkko 797DH gives users more possibilities at work, 797DH can be compatible with 3 types(71A, 71B, 70B) of mobile welding pen, and with our professional spot welding table, making your battery spot welding and diy process more smooth and efficient.

Please read this manual carefully before using or purchasing this model.


Voltage 220V, 50Hz or 110V, 60Hz
Power 3.2kw instantaneously
Max. welding current 800A (adjustable)
Pluse quantity 2 to 16P (adjustable)
Welding thickness 0.05 to 2mm(nickel coated steel: 0.3mm)
Mobile welding Pen(70B)
Length ≤22.4"
Cable cross sectional area 16 mm2
Dimension of welding pins 1.5 x 7 mm
Max. welding current 800A
Welding thickness

0.05 to 0.2mm(nickel coated steel)

0.05 to 0.15mm(pure nickel)

Net Weight 7kg
Machine dimension 14x25x20cm

Attention: This spot welder can be used to weld the nickel, nickel plated steel, nickel plated iron, iron and other alloys, but it can't be used to weld metal including copper and aluminum.

Packing List:
797DH main machine: 1 pc
mobile welding pen(3 options): 1pc
Copper welding rods: 2 pairs
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) 30 pcs
0.1 x 4 x 100 mm (nickel plated) 30 pcs
Manual: 1pc

Processing time: 2 business days
Shipping time: 3 to 5 business days

One Year Warranty!