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

$229.49 $142.49
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737U is the combined version of 737B and 788H-USB.
Applicable to weld 18650, 14500 and other lithium batteries.
Welding thickness: 0.05-0.15mm pure nickel strip or 0.05-0.2mm nickel plated steel.
The built-in LED light helps you work at night.
737U has three 5V2A USB charging ports and one cable charing port.
Press the button and machine's power is changed conveniently.
Technical Details
Input voltage: AC110V
Welding current: 50-800 A
Single pulse time: 5ms
Max. pulse quantity: 2
Max. power output: 2.88KW (instantaneous)
Product info
Product dimension: 9.1 x 5.5 x 7.9”
Product weight: 9.6lbs
Charging details
Standard of cable charging ports: 4.2V, 3A
Standard of USB charging ports: 5V, 2A
Precision of constant current: ±2.5%
Voltage stability: ±1.5%
Measurement error: ±1.5%
Package List
Welding machine: 1pc
Copper welding rods: 2pairs 
Battery fixture: 1pc
Charging cables: 1pair
Fuse: 2pcs
Hexagon wrench: 1pc
0.1 x 4 x 100 mm (nickel plated steel): 30pcs
0.15 x 5 x 100 mm (nickel plated steel): 30pcs
Manual(Page1,2,3,4): 1pc

 Shipping details
   Processing time: 1-2 business days
 Shipping time: 2-4 business days(Fedex Ground or USPS)
One Year Warranty!