The Sunkko 709A is the affordable entry point into the Sunkko spot welder lineup. Simple, reliable, and effective for basic battery assembly and hobby projects.
| Welding thickness | 0.05-0.35mm(Fixed head)/0.05-0.2mm(Spot welding pen) |
| Temparature of solder pen | 150~450 C |
| solder pen | 50W |
| Time of temperature rising | Rise to 300 °C in 6-8s |
| Output voltage | DC 20V |
| Constant temperature accuracy | ±5°C |
| Power supply | AC 110V/220V±20V |
| Output power | 3.2KW(Max.) |
Integrated spot welding and precision soldering.
Supports both fixed-head and mobile-probe welding
Selectable 2/4/6/8 pulse settings for high-reliability joints.
Built-in pressure regulator for consistent spot welds.
Knob-style current adjustment for fast, efficient setup.
Anti-static, constant-temp station for circuit and copper work.
Lithium battery pack
Strain gauge
Stainless steel mesh
Circuit board
Button battery
Loading comparison…
Let’s Get Started
We provide advanced and durable battery solutions designed for industrial and commercial needs. Connect with our experts today to get the right solution for your energy requirements.
