SUNKKO® 797DH Battery Spot Welder Pulse Spot Welding Machine for 18650 Lithium Batteries Battery Pack 110V

$599.99 $271.99
(You save $328.00)
Usually ships within 1 business days
Free Shipping
google product category:
Hardware > Tool Accessories > Welding Accessories
Item location:
US Warehouse (Ship by FedEx Ground, USPS, UPS, etc.)

797DH is the professional-level model of battery spot welding.
Applicable to weld 18650, 14500 and other lithium batteries.
Two ways of welding: fixed welding head and mobile welding pen, must be used with foot pedal.
Press the button and adjust the knob, machine's power is changed conveniently.
Three types of welding pens(70B, 71A, 71B) are available.
The built-in LED light helps you work at night.
Please read the manual carefully before using.


797dh-1.jpg              797dh-2.jpg


797dh-6.jpg                 797dh-3.jpg

Welding thickness: 
fixed welding head: 0.05-0.25mm pure nickel strip or 0.05-0.3mm nickel plated steel.
mobile welding head: 0.05-0.15mm pure nickel strip or  0.05-0.2mm nickel plated steel.
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.
Technical details

 Voltage  110V, 60Hz
 Power  3.8kw (instantaneous)
 Max. welding current  500A 
 Pluse quantity  2-16
 Welding thickness  0.05 to 2mm(nickel plated steel: 0.3mm)          
 Mobile welding Pen(70B)
 Length ≤22.4"
 Cable cross sectional area 16mm2
 Dimension of welding pins 1.5 x 7mm
 Max. welding current 800A
 Welding thickness

0.05 to 0.2mm(nickel plated steel)

0.05 to 0.15mm(pure nickel strip)

 Net Weight  7kg
 Machine dimension 14 x 25 x 20cm

1. Sunkko welding machine can be used to weld the pure nickel strip, nickel plated steel, nickel plated iron, iron and other alloys, but it cannot be used to weld metals like copper and aluminum.
2. The machine must be powered by wall outlet but not the platoon insert.
3. The surface of nickel strips and batteries should be clean enough, dirty surface will influence the welding effect.
4. If home circuit breaker trips after switching on the machine or welding with high current, a new 40-63A circuit breaker is needed for replacement.
Package List:
797DH main machine: 1pc
mobile welding pen(3 options): 1pc
Copper welding rods: 2pairs
Copper welding pins for mobile pen: 1pair
Battery fixture: 1pc
Foot Pedal: 1pc
Fuse: 2pcs
Hexagon wrench: 1pc
0.15 x 8 x 100 mm (nickel plated steel) 30pcs
0.1 x 4 x 100 mm (nickel plated steel) 30pcs
Manual: 1pc
Processing time: 2 business days
Shipping time: 3-5 business days












One Year Warranty!