SUNKKO® 709A Battery Spot Welder with Solder 0.3mm

$162.99 - $179.39
Usually ships within 1 business days
Calculated at Checkout
google product category:
Hardware > Tool Accessories > Welding Accessories
Item location:
US and China

709A is a typical model in our 709 series, it combines welding function with circuit soldering function.
Various welding methods make your DIY process more convenient and efficient. You can build your battery pack with fixed welding head, or with foot pedal controlling system. Mobile welding pen also solves the spot welding range problem that occurs when making a large battery pack. The soldering part makes 709A not only a battery welding machine, but also a necessary tool for electronic hobbyist, 709A is definitely your best choice.

Official Manual

Technical Detail(Yes: Y; No: N)

Welding part       
Model 737B 737G 788H 788H-USB 709A 709AD 709AD+
Welding thickness of nickel coated steel 0.2mm 0.3mm
Welding thickness of pure nickel 0.15mm 0.2mm
Weld with mobile pen N Y
Soldering functionn N Y
Pulse quantity selection 1~2 2~18
Lithium-ion battery pack charging function N Y N
Each pulse time 5ms
Max. welding current 800A
Auto welding mode N Y
Auto cooling fan N Y
Pulse LCD display N Y Y Y N Y
Current LCD display Y Y Y Y N N
Led light Y
Pressure adjuster Y
Requirement of Earth Leakage Circuit Breaker 40A
Packing list       
Main machine 1pc
Copper welding rods 2 pairs
Battery fixture(6 section) 1 pc
Foot pedal 1 pc
Fuse(20A for 220V version; 30A for 110V version) 2 pcs
S70BN(red shell) welding pen N 1 pc
Welding pins replacement for 70B N 1 pair
Iron soldering station & soldering pen N 1 set
Lithium-ion battery pack charging cables N 1 pair N
Mini grinder (for polishing copper rods) N
1 pc
USB cable N 1 pc
Hexagon wrench 1 pc
0.15x8x100mm(pure nickel strip) 50 pcs
0.1x4x100mm(nickel plated strip) 50 pcs
Physical information
Product dimension (LxWxH, inch) 9.1x5.5x7.9  9.6x5.5x7.9
Net weight (lbs) 9.6    15.8

Specification of soldering part
Soldering pen temperature: 150°C ~ 450°C (up to 300°C within 7 seconds)
Soldering station power: 50 W
Output voltage: DC 20 V

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.

Shipping details
US customers Processing time: 1 ~ 2 business days
Shipping time: 2 ~ 4 business days(Fedex Ground or USPS)
other countries Processing time: 1 ~ 2 business days
Shipping time: 3 ~ 7 business days(Fedex, DHL or TNT etc.)
One Year Warranty!